BugFixing : 3306
[koha.git] / C4 / Circulation.pm
index e0fbbea..7c9fe89 100644 (file)
@@ -19,14 +19,17 @@ package C4::Circulation;
 
 
 use strict;
-require Exporter;
+#use warnings;  # soon!
 use C4::Context;
 use C4::Stats;
 use C4::Reserves;
 use C4::Koha;
 use C4::Biblio;
+use C4::Items;
 use C4::Members;
 use C4::Dates;
+use C4::Calendar;
+use C4::Accounts;
 use Date::Calc qw(
   Today
   Today_and_Now
@@ -42,10 +45,51 @@ use C4::Log; # logaction
 
 use Data::Dumper;
 
-our ($VERSION,@ISA,@EXPORT,@EXPORT_OK,%EXPORT_TAGS);
-
-# set the version for version checking
-$VERSION = 3.00;
+use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS);
+
+BEGIN {
+       require Exporter;
+       $VERSION = 3.02;        # for version checking
+       @ISA    = qw(Exporter);
+
+       # FIXME subs that should probably be elsewhere
+       push @EXPORT, qw(
+               &FixOverduesOnReturn
+               &barcodedecode
+       );
+
+       # subs to deal with issuing a book
+       push @EXPORT, qw(
+               &CanBookBeIssued
+               &CanBookBeRenewed
+               &AddIssue
+               &AddRenewal
+               &GetRenewCount
+               &GetItemIssue
+               &GetItemIssues
+               &GetBorrowerIssues
+               &GetIssuingCharges
+               &GetIssuingRule
+        &GetBranchBorrowerCircRule
+               &GetBiblioIssues
+               &AnonymiseIssueHistory
+       );
+
+       # subs to deal with returns
+       push @EXPORT, qw(
+               &AddReturn
+        &MarkIssueReturned
+       );
+
+       # subs to deal with transfers
+       push @EXPORT, qw(
+               &transferbook
+               &GetTransfers
+               &GetTransfersFromTo
+               &updateWrongTransfer
+               &DeleteTransfer
+       );
+}
 
 =head1 NAME
 
@@ -63,71 +107,52 @@ Also deals with stocktaking.
 
 =head1 FUNCTIONS
 
-=cut
-
-@ISA    = qw(Exporter);
-
-# FIXME subs that should probably be elsewhere
-push @EXPORT, qw(
-  &FixOverduesOnReturn
-  &cuecatbarcodedecode
-);
-
-# subs to deal with issuing a book
-push @EXPORT, qw(
-  &CanBookBeIssued
-  &CanBookBeRenewed
-  &AddIssue
-  &AddRenewal
-  &GetRenewCount
-  &GetItemIssue
-  &GetItemIssues
-  &GetBorrowerIssues
-  &GetIssuingCharges
-  &GetBiblioIssues
-  &AnonymiseIssueHistory
-);
-# subs to deal with returns
-push @EXPORT, qw(
-  &AddReturn
-);
-
-# subs to deal with transfers
-push @EXPORT, qw(
-  &transferbook
-  &GetTransfers
-  &GetTransfersFromTo
-  &updateWrongTransfer
-  &DeleteTransfer
-);
-
-# FIXME - At least, I'm pretty sure this is for decoding CueCat stuff.
-# FIXME From Paul : i don't understand what this sub does & why it has to be called on every circ. Speak of this with chris maybe ?
+=head2 barcodedecode
 
-=head2 decode
-
-=head3 $str = &decode($chunk);
+=head3 $str = &barcodedecode($barcode, [$filter]);
 
 =over 4
 
-=item Decodes a segment of a string emitted by a CueCat barcode scanner and
-returns it.
+=item Generic filter function for barcode string.
+Called on every circ if the System Pref itemBarcodeInputFilter is set.
+Will do some manipulation of the barcode for systems that deliver a barcode
+to circulation.pl that differs from the barcode stored for the item.
+For proper functioning of this filter, calling the function on the 
+correct barcode string (items.barcode) should return an unaltered barcode.
+
+The optional $filter argument is to allow for testing or explicit 
+behavior that ignores the System Pref.  Valid values are the same as the 
+System Pref options.
 
 =back
 
 =cut
 
-sub cuecatbarcodedecode {
-    my ($barcode) = @_;
-    chomp($barcode);
-    my @fields = split( /\./, $barcode );
-    my @results = map( decode($_), @fields[ 1 .. $#fields ] );
-    if ( $#results == 2 ) {
-        return $results[2];
-    }
-    else {
-        return $barcode;
-    }
+# FIXME -- the &decode fcn below should be wrapped into this one.
+# FIXME -- these plugins should be moved out of Circulation.pm
+#
+sub barcodedecode {
+    my ($barcode, $filter) = @_;
+    $filter = C4::Context->preference('itemBarcodeInputFilter') unless $filter;
+    $filter or return $barcode;     # ensure filter is defined, else return untouched barcode
+       if ($filter eq 'whitespace') {
+               $barcode =~ s/\s//g;
+       } elsif ($filter eq 'cuecat') {
+               chomp($barcode);
+           my @fields = split( /\./, $barcode );
+           my @results = map( decode($_), @fields[ 1 .. $#fields ] );
+           ($#results == 2) and return $results[2];
+       } elsif ($filter eq 'T-prefix') {
+               if ($barcode =~ /^[Tt](\d)/) {
+                       (defined($1) and $1 eq '0') and return $barcode;
+            $barcode = substr($barcode, 2) + 0;     # FIXME: probably should be substr($barcode, 1)
+               }
+        return sprintf("T%07d", $barcode);
+        # FIXME: $barcode could be "T1", causing warning: substr outside of string
+        # Why drop the nonzero digit after the T?
+        # Why pass non-digits (or empty string) to "T%07d"?
+       }
+    return $barcode;    # return barcode, modified or not
 }
 
 =head2 decode
@@ -139,6 +164,9 @@ sub cuecatbarcodedecode {
 =item Decodes a segment of a string emitted by a CueCat barcode scanner and
 returns it.
 
+FIXME: Should be replaced with Barcode::Cuecat from CPAN
+or Javascript based decoding on the client side.
+
 =back
 
 =cut
@@ -151,7 +179,7 @@ sub decode {
     my $l = ( $#s + 1 ) % 4;
     if ($l) {
         if ( $l == 1 ) {
-            warn "Error!";
+            # warn "Error: Cuecat decode parsing failed!";
             return;
         }
         $l = 4 - $l;
@@ -281,232 +309,120 @@ sub transferbook {
     return ( $dotransfer, $messages, $biblio );
 }
 
-=head2 CanBookBeIssued
-
-Check if a book can be issued.
-
-my ($issuingimpossible,$needsconfirmation) = CanBookBeIssued($borrower,$barcode,$year,$month,$day);
-
-=over 4
-
-=item C<$borrower> hash with borrower informations (from GetMemberDetails)
-
-=item C<$barcode> is the bar code of the book being issued.
-
-=item C<$year> C<$month> C<$day> contains the date of the return (in case it's forced by "stickyduedate".
-
-=back
-
-Returns :
-
-=over 4
-
-=item C<$issuingimpossible> a reference to a hash. It contains reasons why issuing is impossible.
-Possible values are :
-
-=back
-
-=head3 INVALID_DATE 
-
-sticky due date is invalid
-
-=head3 GNA
-
-borrower gone with no address
-
-=head3 CARD_LOST
-
-borrower declared it's card lost
-
-=head3 DEBARRED
-
-borrower debarred
-
-=head3 UNKNOWN_BARCODE
-
-barcode unknown
-
-=head3 NOT_FOR_LOAN
-
-item is not for loan
-
-=head3 WTHDRAWN
-
-item withdrawn.
-
-=head3 RESTRICTED
-
-item is restricted (set by ??)
-
-C<$issuingimpossible> a reference to a hash. It contains reasons why issuing is impossible.
-Possible values are :
-
-=head3 DEBT
-
-borrower has debts.
-
-=head3 RENEW_ISSUE
-
-renewing, not issuing
-
-=head3 ISSUED_TO_ANOTHER
-
-issued to someone else.
-
-=head3 RESERVED
-
-reserved for someone else.
-
-=head3 INVALID_DATE
-
-sticky due date is invalid
-
-=head3 TOO_MANY
-
-if the borrower borrows to much things
-
-=cut
-
-# check if a book can be issued.
-
 
 sub TooMany {
     my $borrower        = shift;
     my $biblionumber = shift;
        my $item                = shift;
     my $cat_borrower    = $borrower->{'categorycode'};
-    my $branch_borrower = $borrower->{'branchcode'};
     my $dbh             = C4::Context->dbh;
-
-       my $branch_issuer = C4::Context->userenv->{'branchcode'};
-    # TODO : specify issuer or borrower for circrule.
+       my $branch;
+       # Get which branchcode we need
+       $branch = _GetCircControlBranch($item,$borrower);
        my $type = (C4::Context->preference('item-level_itypes')) 
                        ? $item->{'itype'}         # item-level
                        : $item->{'itemtype'};     # biblio-level
-  
-       my $sth =
-      $dbh->prepare(
-                'SELECT * FROM issuingrules 
-                        WHERE categorycode = ? 
-                            AND itemtype = ? 
-                            AND branchcode = ?'
-      );
-
-    my $query2 = "SELECT  COUNT(*) FROM issues i, biblioitems s1, items s2 
-                WHERE i.borrowernumber = ? 
-                    AND i.returndate IS NULL 
-                    AND i.itemnumber = s2.itemnumber 
-                    AND s1.biblioitemnumber = s2.biblioitemnumber";
-    if (C4::Context->preference('item-level_itypes')){
-          $query2.=" AND s2.itype=? ";
-    } else { 
-          $query2.=" AND s1.itemtype= ? ";
-    }
-    my $sth2=  $dbh->prepare($query2);
-    my $sth3 =
-      $dbh->prepare(
-            'SELECT COUNT(*) FROM issues
-                WHERE borrowernumber = ?
-                    AND returndate IS NULL'
-            );
-    my $alreadyissued;
-
-    # check the 3 parameters (branch / itemtype / category code
-    $sth->execute( $cat_borrower, $type, $branch_borrower );
-    my $result = $sth->fetchrow_hashref;
-#     warn "$cat_borrower, $type, $branch_borrower = ".Data::Dumper::Dumper($result);
-
-    if ( $result->{maxissueqty} ne '' ) {
-#         warn "checking on everything set";
-        $sth2->execute( $borrower->{'borrowernumber'}, $type );
-        my $alreadyissued = $sth2->fetchrow;
-        if ( $result->{'maxissueqty'} <= $alreadyissued ) {
-            return ( "$alreadyissued / ".( $result->{maxissueqty} + 0 )." (rule on branch/category/itemtype failed)" );
-        }
-        # now checking for total
-        $sth->execute( $cat_borrower, '', $branch_borrower );
-        my $result = $sth->fetchrow_hashref;
-        if ( $result->{maxissueqty} ne '*' ) {
-            $sth2->execute( $borrower->{'borrowernumber'}, $type );
-            my $alreadyissued = $sth2->fetchrow;
-            if ( $result->{'maxissueqty'} <= $alreadyissued ) {
-                return ( "$alreadyissued / ".( $result->{maxissueqty} + 0 )." (rule on branch/category/total failed)"  );
+    # given branch, patron category, and item type, determine
+    # applicable issuing rule
+    my $issuing_rule = GetIssuingRule($cat_borrower, $type, $branch);
+
+    # if a rule is found and has a loan limit set, count
+    # how many loans the patron already has that meet that
+    # rule
+    if (defined($issuing_rule) and defined($issuing_rule->{'maxissueqty'})) {
+        my @bind_params;
+        my $count_query = "SELECT COUNT(*) FROM issues
+                           JOIN items USING (itemnumber) ";
+
+        my $rule_itemtype = $issuing_rule->{itemtype};
+        if ($rule_itemtype eq "*") {
+            # matching rule has the default item type, so count only
+            # those existing loans that don't fall under a more
+            # specific rule
+            if (C4::Context->preference('item-level_itypes')) {
+                $count_query .= " WHERE items.itype NOT IN (
+                                    SELECT itemtype FROM issuingrules
+                                    WHERE branchcode = ?
+                                    AND   (categorycode = ? OR categorycode = ?)
+                                    AND   itemtype <> '*'
+                                  ) ";
+            } else { 
+                $count_query .= " JOIN  biblioitems USING (biblionumber) 
+                                  WHERE biblioitems.itemtype NOT IN (
+                                    SELECT itemtype FROM issuingrules
+                                    WHERE branchcode = ?
+                                    AND   (categorycode = ? OR categorycode = ?)
+                                    AND   itemtype <> '*'
+                                  ) ";
             }
+            push @bind_params, $issuing_rule->{branchcode};
+            push @bind_params, $issuing_rule->{categorycode};
+            push @bind_params, $cat_borrower;
+        } else {
+            # rule has specific item type, so count loans of that
+            # specific item type
+            if (C4::Context->preference('item-level_itypes')) {
+                $count_query .= " WHERE items.itype = ? ";
+            } else { 
+                $count_query .= " JOIN  biblioitems USING (biblionumber) 
+                                  WHERE biblioitems.itemtype= ? ";
+            }
+            push @bind_params, $type;
         }
-    }
 
-    # check the 2 parameters (branch / itemtype / default categorycode
-    $sth->execute( '*', $type, $branch_borrower );
-    my $result = $sth->fetchrow_hashref;
-#     warn "*, $type, $branch_borrower = ".Data::Dumper::Dumper($result);
-
-    if ( $result->{maxissueqty} ne '' ) {
-#         warn "checking on 2 parameters (default categorycode)";
-        $sth2->execute( $borrower->{'borrowernumber'}, $type );
-        my $alreadyissued = $sth2->fetchrow;
-        if ( $result->{'maxissueqty'} <= $alreadyissued ) {
-            return ( "$alreadyissued / ".( $result->{maxissueqty} + 0 )." (rule on branch / default category / itemtype failed)"  );
-        }
-        # now checking for total
-        $sth->execute( '*', '*', $branch_borrower );
-        my $result = $sth->fetchrow_hashref;
-        if ( $result->{maxissueqty} ne '' ) {
-            $sth2->execute( $borrower->{'borrowernumber'}, $type );
-            my $alreadyissued = $sth2->fetchrow;
-            if ( $result->{'maxissueqty'} <= $alreadyissued ) {
-                return ( "$alreadyissued / ".( $result->{maxissueqty} + 0 )." (rule on branch / default category / total failed)" );
+        $count_query .= " AND borrowernumber = ? ";
+        push @bind_params, $borrower->{'borrowernumber'};
+        my $rule_branch = $issuing_rule->{branchcode};
+        if ($rule_branch ne "*") {
+            if (C4::Context->preference('CircControl') eq 'PickupLibrary') {
+                $count_query .= " AND issues.branchcode = ? ";
+                push @bind_params, $branch;
+            } elsif (C4::Context->preference('CircControl') eq 'PatronLibrary') {
+                ; # if branch is the patron's home branch, then count all loans by patron
+            } else {
+                $count_query .= " AND items.homebranch = ? ";
+                push @bind_params, $branch;
             }
         }
-    }
-    
-    # check the 1 parameters (default branch / itemtype / categorycode
-    $sth->execute( $cat_borrower, $type, '*' );
-    my $result = $sth->fetchrow_hashref;
-#     warn "$cat_borrower, $type, * = ".Data::Dumper::Dumper($result);
-    
-    if ( $result->{maxissueqty} ne '' ) {
-#         warn "checking on 1 parameter (default branch + categorycode)";
-        $sth2->execute( $borrower->{'borrowernumber'}, $type );
-        my $alreadyissued = $sth2->fetchrow;
-        if ( $result->{'maxissueqty'} <= $alreadyissued ) {
-            return ( "$alreadyissued / ".( $result->{maxissueqty} + 0 )." (rule on default branch/category/itemtype failed)"  );
-        }
-        # now checking for total
-        $sth->execute( $cat_borrower, '*', '*' );
-        my $result = $sth->fetchrow_hashref;
-        if ( $result->{maxissueqty} ne '' ) {
-            $sth2->execute( $borrower->{'borrowernumber'}, $type );
-            my $alreadyissued = $sth2->fetchrow;
-            if ( $result->{'maxissueqty'} <= $alreadyissued ) {
-                return ( "$alreadyissued / ".( $result->{maxissueqty} + 0 )." (rule on default branch / category / total failed)"  );
-            }
+
+        my $count_sth = $dbh->prepare($count_query);
+        $count_sth->execute(@bind_params);
+        my ($current_loan_count) = $count_sth->fetchrow_array;
+
+        my $max_loans_allowed = $issuing_rule->{'maxissueqty'};
+        if ($current_loan_count >= $max_loans_allowed) {
+            return "$current_loan_count / $max_loans_allowed";
         }
     }
 
-    # check the 0 parameters (default branch / itemtype / default categorycode
-    $sth->execute( '*', $type, '*' );
-    my $result = $sth->fetchrow_hashref;
-#     warn "*, $type, * = ".Data::Dumper::Dumper($result);
-
-    if ( $result->{maxissueqty} ne '' ) {
-#         warn "checking on default branch and default categorycode";
-        $sth2->execute( $borrower->{'borrowernumber'}, $type );
-        my $alreadyissued = $sth2->fetchrow;
-        if ( $result->{'maxissueqty'} <= $alreadyissued ) {
-            return ( "$alreadyissued / ".( $result->{maxissueqty} + 0 )." (rule on default branch / default category / itemtype failed)"  );
+    # Now count total loans against the limit for the branch
+    my $branch_borrower_circ_rule = GetBranchBorrowerCircRule($branch, $cat_borrower);
+    if (defined($branch_borrower_circ_rule->{maxissueqty})) {
+        my @bind_params = ();
+        my $branch_count_query = "SELECT COUNT(*) FROM issues 
+                                  JOIN items USING (itemnumber)
+                                  WHERE borrowernumber = ? ";
+        push @bind_params, $borrower->{borrowernumber};
+
+        if (C4::Context->preference('CircControl') eq 'PickupLibrary') {
+            $branch_count_query .= " AND issues.branchcode = ? ";
+            push @bind_params, $branch;
+        } elsif (C4::Context->preference('CircControl') eq 'PatronLibrary') {
+            ; # if branch is the patron's home branch, then count all loans by patron
+        } else {
+            $branch_count_query .= " AND items.homebranch = ? ";
+            push @bind_params, $branch;
         }
-       }
-    # now checking for total
-    $sth->execute( '*', '*', '*' );
-    my $result = $sth->fetchrow_hashref;
-    if ( $result->{maxissueqty} ne '' ) {
-               warn "checking total";
-               $sth2->execute( $borrower->{'borrowernumber'}, $type );
-               my $alreadyissued = $sth2->fetchrow;
-               if ( $result->{'maxissueqty'} <= $alreadyissued ) {
-                       return ( "$alreadyissued / ".( $result->{maxissueqty} + 0 )." (rule on default branch / default category / total failed)"  );
-               }
-       }
+        my $branch_count_sth = $dbh->prepare($branch_count_query);
+        $branch_count_sth->execute(@bind_params);
+        my ($current_loan_count) = $branch_count_sth->fetchrow_array;
+
+        my $max_loans_allowed = $branch_borrower_circ_rule->{maxissueqty};
+        if ($current_loan_count >= $max_loans_allowed) {
+            return "$current_loan_count / $max_loans_allowed";
+        }
+    }
 
     # OK, the patron can issue !!!
     return;
@@ -560,12 +476,6 @@ The borrower number of the last three patrons who borrowed this item.
 sub itemissues {
     my ( $bibitem, $biblio ) = @_;
     my $dbh = C4::Context->dbh;
-
-    # FIXME - If this function die()s, the script will abort, and the
-    # user won't get anything; depending on how far the script has
-    # gotten, the user might get a blank page. It would be much better
-    # to at least print an error message. The easiest way to do this
-    # is to set $SIG{__DIE__}.
     my $sth =
       $dbh->prepare("Select * from items where items.biblioitemnumber = ?")
       || die $dbh->errstr;
@@ -587,7 +497,6 @@ sub itemissues {
             "SELECT * FROM issues
                 LEFT JOIN borrowers ON issues.borrowernumber = borrowers.borrowernumber
                 WHERE itemnumber = ?
-                    AND returndate IS NULL
             "
         );
 
@@ -598,22 +507,16 @@ sub itemissues {
             $data->{'borrower'} = $data2->{'borrowernumber'};
         }
         else {
-            if ( $data->{'wthdrawn'} eq '1' ) {
-                $data->{'date_due'} = 'Cancelled';
-            }
-            else {
-                $data->{'date_due'} = 'Available';
-            }    # else
-        }    # else
+            $data->{'date_due'} = ($data->{'wthdrawn'} eq '1') ? 'Cancelled' : 'Available';
+        }
 
         $sth2->finish;
 
         # Find the last 3 people who borrowed this item.
         $sth2 = $dbh->prepare(
-            "SELECT * FROM issues
+            "SELECT * FROM old_issues
                 LEFT JOIN borrowers ON  issues.borrowernumber = borrowers.borrowernumber
                 WHERE itemnumber = ?
-                AND returndate IS NOT NULL
                 ORDER BY returndate DESC,timestamp DESC"
         );
 
@@ -638,11 +541,92 @@ sub itemissues {
 
 =head2 CanBookBeIssued
 
-$issuingimpossible, $needsconfirmation = 
-        CanBookBeIssued( $borrower, $barcode, $duedatespec, $inprocess );
-C<$duedatespec> is a C4::Dates object.
+Check if a book can be issued.
+
+( $issuingimpossible, $needsconfirmation ) =  CanBookBeIssued( $borrower, $barcode, $duedatespec, $inprocess );
+
 C<$issuingimpossible> and C<$needsconfirmation> are some hashref.
 
+=over 4
+
+=item C<$borrower> hash with borrower informations (from GetMemberDetails)
+
+=item C<$barcode> is the bar code of the book being issued.
+
+=item C<$duedatespec> is a C4::Dates object.
+
+=item C<$inprocess>
+
+=back
+
+Returns :
+
+=over 4
+
+=item C<$issuingimpossible> a reference to a hash. It contains reasons why issuing is impossible.
+Possible values are :
+
+=back
+
+=head3 INVALID_DATE 
+
+sticky due date is invalid
+
+=head3 GNA
+
+borrower gone with no address
+
+=head3 CARD_LOST
+
+borrower declared it's card lost
+
+=head3 DEBARRED
+
+borrower debarred
+
+=head3 UNKNOWN_BARCODE
+
+barcode unknown
+
+=head3 NOT_FOR_LOAN
+
+item is not for loan
+
+=head3 WTHDRAWN
+
+item withdrawn.
+
+=head3 RESTRICTED
+
+item is restricted (set by ??)
+
+C<$issuingimpossible> a reference to a hash. It contains reasons why issuing is impossible.
+Possible values are :
+
+=head3 DEBT
+
+borrower has debts.
+
+=head3 RENEW_ISSUE
+
+renewing, not issuing
+
+=head3 ISSUED_TO_ANOTHER
+
+issued to someone else.
+
+=head3 RESERVED
+
+reserved for someone else.
+
+=head3 INVALID_DATE
+
+sticky due date is invalid
+
+=head3 TOO_MANY
+
+if the borrower borrows to much things
+
 =cut
 
 sub CanBookBeIssued {
@@ -652,17 +636,39 @@ sub CanBookBeIssued {
     my $item = GetItem(GetItemnumberFromBarcode( $barcode ));
     my $issue = GetItemIssue($item->{itemnumber});
        my $biblioitem = GetBiblioItemData($item->{biblioitemnumber});
-       $item->{'itemtype'}=$biblioitem->{'itemtype'};
+       $item->{'itemtype'}=$item->{'itype'}; 
     my $dbh             = C4::Context->dbh;
 
+    # MANDATORY CHECKS - unless item exists, nothing else matters
+    unless ( $item->{barcode} ) {
+        $issuingimpossible{UNKNOWN_BARCODE} = 1;
+    }
+       return ( \%issuingimpossible, \%needsconfirmation ) if %issuingimpossible;
+
     #
     # DUE DATE is OK ? -- should already have checked.
     #
-    #$issuingimpossible{INVALID_DATE} = 1 unless ($duedate);
+    unless ( $duedate ) {
+        my $issuedate = strftime( "%Y-%m-%d", localtime );
+
+        my $branch = _GetCircControlBranch($item,$borrower);
+        my $itype = ( C4::Context->preference('item-level_itypes') ) ? $item->{'itype'} : $biblioitem->{'itemtype'};
+        my $loanlength = GetLoanLength( $borrower->{'categorycode'}, $itype, $branch );
+        $duedate = CalcDateDue( C4::Dates->new( $issuedate, 'iso' ), $loanlength, $branch, $borrower );
+
+        # Offline circ calls AddIssue directly, doesn't run through here
+        #  So issuingimpossible should be ok.
+    }
+    $issuingimpossible{INVALID_DATE} = $duedate->output('syspref') unless ( $duedate && $duedate->output('iso') ge C4::Dates->today('iso') );
 
     #
     # BORROWER STATUS
     #
+    if ( $borrower->{'category_type'} eq 'X' && (  $item->{barcode}  )) { 
+       # stats only borrower -- add entry to statistics table, and return issuingimpossible{STATS} = 1  .
+        &UpdateStats(C4::Context->userenv->{'branch'},'localuse','','',$item->{'itemnumber'},$item->{'itemtype'},$borrower->{'borrowernumber'});
+        return( { STATS => 1 }, {});
+    }
     if ( $borrower->{flags}->{GNA} ) {
         $issuingimpossible{GNA} = 1;
     }
@@ -693,21 +699,35 @@ sub CanBookBeIssued {
         if ( $amount > $amountlimit && !$inprocess ) {
             $issuingimpossible{DEBT} = sprintf( "%.2f", $amount );
         }
-        elsif ( $amount <= $amountlimit && !$inprocess ) {
+        elsif ( $amount > 0 && $amount <= $amountlimit && !$inprocess ) {
             $needsconfirmation{DEBT} = sprintf( "%.2f", $amount );
         }
     }
     else {
         if ( $amount > 0 ) {
-            $needsconfirmation{DEBT} = $amount;
+            $needsconfirmation{DEBT} = sprintf( "%.2f", $amount );
         }
     }
 
+    my ($blocktype, $count) = C4::Members::IsMemberBlocked($borrower->{'borrowernumber'});
+    if($blocktype == -1){
+        ## remaining overdue documents
+        $needsconfirmation{USERBLOCKEDREMAINING} = $count;
+    }elsif($blocktype == 1){
+        ## blocked because of overdue return
+        $issuingimpossible{USERBLOCKEDOVERDUE} = $count;
+    }
+
     #
     # JB34 CHECKS IF BORROWERS DONT HAVE ISSUE TOO MANY BOOKS
     #
        my $toomany = TooMany( $borrower, $item->{biblionumber}, $item );
-    $needsconfirmation{TOO_MANY} = $toomany if $toomany;
+    # if TooMany return / 0, then the user has no permission to check out this book
+    if ($toomany =~ /\/ 0/) {
+        $needsconfirmation{PATRON_CANT} = 1;
+    } else {
+        $needsconfirmation{TOO_MANY} = $toomany if $toomany;
+    }
 
     #
     # ITEM CHECKING
@@ -718,24 +738,36 @@ sub CanBookBeIssued {
     if (   $item->{'notforloan'}
         && $item->{'notforloan'} > 0 )
     {
-        $issuingimpossible{NOT_FOR_LOAN} = 1;
+        if(C4::Context->preference("AllowNotForLoanOverride")){
+           $needsconfirmation{NOT_FOR_LOAN_FORCING} = 1;
+        }else{
+            $issuingimpossible{NOT_FOR_LOAN} = 1;
+        }
+    }
+    elsif ( !$item->{'notforloan'} ){
+        # we have to check itemtypes.notforloan also
+        if (C4::Context->preference('item-level_itypes')){
+            # this should probably be a subroutine
+            my $sth = $dbh->prepare("SELECT notforloan FROM itemtypes WHERE itemtype = ?");
+            $sth->execute($item->{'itemtype'});
+            my $notforloan=$sth->fetchrow_hashref();
+            $sth->finish();
+            if ($notforloan->{'notforloan'}) {
+                if (!C4::Context->preference("AllowNotForLoanOverride")) {
+                    $issuingimpossible{NOT_FOR_LOAN} = 1;
+                } else {
+                    $needsconfirmation{NOT_FOR_LOAN_FORCING} = 1;
+                }
+            }
+        }
+        elsif ($biblioitem->{'notforloan'} == 1){
+            if (!C4::Context->preference("AllowNotForLoanOverride")) {
+                $issuingimpossible{NOT_FOR_LOAN} = 1;
+            } else {
+                $needsconfirmation{NOT_FOR_LOAN_FORCING} = 1;
+            }
+        }
     }
-       elsif ( !$item->{'notforloan'} ){
-               # we have to check itemtypes.notforloan also
-               if (C4::Context->preference('item-level_itypes')){
-                       # this should probably be a subroutine
-                       my $sth = $dbh->prepare("SELECT notforloan FROM itemtypes WHERE itemtype = ?");
-                       $sth->execute($item->{'itemtype'});
-                       my $notforloan=$sth->fetchrow_hashref();
-                       $sth->finish();
-                       if ($notforloan->{'notforloan'} == 1){
-                               $issuingimpossible{NOT_FOR_LOAN} = 1;                           
-                       }
-               }
-               elsif ($biblioitem->{'notforloan'} == 1){
-                       $issuingimpossible{NOT_FOR_LOAN} = 1;
-               }
-       }
     if ( $item->{'wthdrawn'} && $item->{'wthdrawn'} == 1 )
     {
         $issuingimpossible{WTHDRAWN} = 1;
@@ -749,7 +781,7 @@ sub CanBookBeIssued {
         my $userenv = C4::Context->userenv;
         if ( ($userenv) && ( $userenv->{flags} != 1 ) ) {
             $issuingimpossible{NOTSAMEBRANCH} = 1
-              if ( $item->{C4::Context->preference("HomeOrHoldingbranch")} ne $userenv->{branch} );
+              if ( $item->{C4::Context->preference("HomeOrHoldingBranch")} ne $userenv->{branch} );
         }
     }
 
@@ -761,7 +793,7 @@ sub CanBookBeIssued {
 
         # Already issued to current borrower. Ask whether the loan should
         # be renewed.
-        my ($CanBookBeRenewed) = CanBookBeRenewed(
+        my ($CanBookBeRenewed,$renewerror) = CanBookBeRenewed(
             $borrower->{'borrowernumber'},
             $item->{'itemnumber'}
         );
@@ -775,7 +807,7 @@ sub CanBookBeIssued {
     elsif ($issue->{borrowernumber}) {
 
         # issued to someone else
-        my $currborinfo = GetMemberDetails( $issue->{borrowernumber} );
+        my $currborinfo =    C4::Members::GetMemberDetails( $issue->{borrowernumber} );
 
 #        warn "=>.$currborinfo->{'firstname'} $currborinfo->{'surname'} ($currborinfo->{'cardnumber'})";
         $needsconfirmation{ISSUED_TO_ANOTHER} =
@@ -785,59 +817,45 @@ sub CanBookBeIssued {
     # See if the item is on reserve.
     my ( $restype, $res ) = C4::Reserves::CheckReserves( $item->{'itemnumber'} );
     if ($restype) {
-        my $resbor = $res->{'borrowernumber'};
+               my $resbor = $res->{'borrowernumber'};
+               my ( $resborrower ) = C4::Members::GetMemberDetails( $resbor, 0 );
+               my $branches  = GetBranches();
+               my $branchname = $branches->{ $res->{'branchcode'} }->{'branchname'};
         if ( $resbor ne $borrower->{'borrowernumber'} && $restype eq "Waiting" )
         {
-
             # The item is on reserve and waiting, but has been
             # reserved by some other patron.
-            my ( $resborrower, $flags ) =
-              GetMemberDetails( $resbor, 0 );
-            my $branches   = GetBranches();
-            my $branchname =
-              $branches->{ $res->{'branchcode'} }->{'branchname'};
             $needsconfirmation{RESERVE_WAITING} =
 "$resborrower->{'firstname'} $resborrower->{'surname'} ($resborrower->{'cardnumber'}, $branchname)";
-
-# CancelReserve(0, $res->{'itemnumber'}, $res->{'borrowernumber'}); Doesn't belong in a checking subroutine.
         }
         elsif ( $restype eq "Reserved" ) {
-
             # The item is on reserve for someone else.
-            my ( $resborrower, $flags ) =
-              GetMemberDetails( $resbor, 0 );
-            my $branches   = GetBranches();
-            my $branchname =
-              $branches->{ $res->{'branchcode'} }->{'branchname'};
             $needsconfirmation{RESERVED} =
 "$res->{'reservedate'} : $resborrower->{'firstname'} $resborrower->{'surname'} ($resborrower->{'cardnumber'})";
         }
     }
-    if ( C4::Context->preference("LibraryName") eq "Horowhenua Library Trust" ) {
-        if ( $borrower->{'categorycode'} eq 'W' ) {
-            my %issuingimpossible;
-            return ( \%issuingimpossible, \%needsconfirmation );
-        } else {
-            return ( \%issuingimpossible, \%needsconfirmation );
-        }
-    } else {
-        return ( \%issuingimpossible, \%needsconfirmation );
-    }
+       return ( \%issuingimpossible, \%needsconfirmation );
 }
 
 =head2 AddIssue
 
 Issue a book. Does no check, they are done in CanBookBeIssued. If we reach this sub, it means the user confirmed if needed.
 
-&AddIssue($borrower,$barcode,$date)
+&AddIssue($borrower, $barcode, [$datedue], [$cancelreserve], [$issuedate])
 
 =over 4
 
-=item C<$borrower> hash with borrower informations (from GetMemberDetails)
+=item C<$borrower> is a hash with borrower informations (from GetMemberDetails).
 
-=item C<$barcode> is the bar code of the book being issued.
+=item C<$barcode> is the barcode of the item being issued.
+
+=item C<$datedue> is a C4::Dates object for the max date of return, i.e. the date due (optional).
+Calculated if empty.
 
-=item C<$date> contains the max date of return. calculated if empty.
+=item C<$cancelreserve> is 1 to override and cancel any pending reserves for the item (optional).
+
+=item C<$issuedate> is the date to issue the item in iso (YYYY-MM-DD) format (optional).
+Defaults to today.  Unlike C<$datedue>, NOT a C4::Dates object, unfortunately.
 
 AddIssue does the following things :
 - step 01: check that there is a borrowernumber & a barcode provided
@@ -857,14 +875,21 @@ AddIssue does the following things :
 =cut
 
 sub AddIssue {
-    my ( $borrower, $barcode, $date, $cancelreserve ) = @_;
+    my ( $borrower, $barcode, $datedue, $cancelreserve, $issuedate, $sipmode) = @_;
     my $dbh = C4::Context->dbh;
        my $barcodecheck=CheckValidBarcode($barcode);
+
+    # $issuedate defaults to today.
+    if ( ! defined $issuedate ) {
+        $issuedate = strftime( "%Y-%m-%d", localtime );
+        # TODO: for hourly circ, this will need to be a C4::Dates object
+        # and all calls to AddIssue including issuedate will need to pass a Dates object.
+    }
        if ($borrower and $barcode and $barcodecheck ne '0'){
-#   my ($borrower, $flags) = &GetMemberDetails($borrowernumber, 0);
                # find which item we issue
-               my $item = GetItem('', $barcode);
-               my $datedue; 
+               my $item = GetItem('', $barcode) or return undef;       # if we don't get an Item, abort.
+               my $hbr = C4::Context->preference("HomeOrHoldingBranch")||"homebranch";
+               my $branch = _GetCircControlBranch($item,$borrower);
                
                # get actual issuing if there is one
                my $actualissue = GetItemIssue( $item->{itemnumber});
@@ -875,89 +900,73 @@ sub AddIssue {
                #
                # check if we just renew the issue.
                #
-               if ( $actualissue->{borrowernumber} eq $borrower->{'borrowernumber'} ) {
-                       AddRenewal(
+               if ($actualissue->{borrowernumber} eq $borrower->{'borrowernumber'}) {
+                       $datedue = AddRenewal(
                                $borrower->{'borrowernumber'},
                                $item->{'itemnumber'},
-                               C4::Context->userenv->{'branch'},
-                               $date
+                               $branch,
+                               $datedue,
+                $issuedate, # here interpreted as the renewal date
                        );
-
                }
                else {
         # it's NOT a renewal
-        if ( $actualissue->{borrowernumber}) {
-            # This book is currently on loan, but not to the person
-            # who wants to borrow it now. mark it returned before issuing to the new borrower
-            AddReturn(
-                $item->{'barcode'},
-                C4::Context->userenv->{'branch'}
-            );
-        }
-
-        # See if the item is on reserve.
-        my ( $restype, $res ) =
-          C4::Reserves::CheckReserves( $item->{'itemnumber'} );
-        if ($restype) {
-            my $resbor = $res->{'borrowernumber'};
-            if ( $resbor eq $borrower->{'borrowernumber'} ) {
+                       if ( $actualissue->{borrowernumber}) {
+                               # This book is currently on loan, but not to the person
+                               # who wants to borrow it now. mark it returned before issuing to the new borrower
+                               AddReturn(
+                                       $item->{'barcode'},
+                                       C4::Context->userenv->{'branch'}
+                               );
+                       }
 
-                # The item is reserved by the current patron
-                ModReserveFill($res);
-            }
-            elsif ( $restype eq "Waiting" ) {
-
-                # warn "Waiting";
-                # The item is on reserve and waiting, but has been
-                # reserved by some other patron.
-                my ( $resborrower, $flags ) = GetMemberDetails( $resbor, 0 );
-                my $branches   = GetBranches();
-                my $branchname =
-                  $branches->{ $res->{'branchcode'} }->{'branchname'};
-            }
-            elsif ( $restype eq "Reserved" ) {
-
-                # warn "Reserved";
-                # The item is reserved by someone else.
-                my ( $resborrower, $flags ) =
-                  GetMemberDetails( $resbor, 0 );
-                my $branches   = GetBranches();
-                my $branchname =
-                  $branches->{ $res->{'branchcode'} }->{'branchname'};
-                if ($cancelreserve) { # cancel reserves on this item
-                    CancelReserve( 0, $res->{'itemnumber'},
-                        $res->{'borrowernumber'} );
-                }
-            }
-            if ($cancelreserve) {
-                CancelReserve( $res->{'biblionumber'}, 0,
-                    $res->{'borrowernumber'} );
-            }
-            else {
-    # set waiting reserve to first in reserve queue as book isn't waiting now
-                ModReserve(
-                    1,
-                    $res->{'biblionumber'},
-                    $res->{'borrowernumber'},
-                    $res->{'branchcode'}
-                );
-            }
-        }
+                       # See if the item is on reserve.
+                       my ( $restype, $res ) =
+                         C4::Reserves::CheckReserves( $item->{'itemnumber'} );
+                       if ($restype) {
+                               my $resbor = $res->{'borrowernumber'};
+                               if ( $resbor eq $borrower->{'borrowernumber'} ) {
+                                       # The item is reserved by the current patron
+                                       ModReserveFill($res);
+                               }
+                               elsif ( $restype eq "Waiting" ) {
+                                       # warn "Waiting";
+                                       # The item is on reserve and waiting, but has been
+                                       # reserved by some other patron.
+                               }
+                               elsif ( $restype eq "Reserved" ) {
+                                       # warn "Reserved";
+                                       # The item is reserved by someone else.
+                                       if ($cancelreserve) { # cancel reserves on this item
+                                               CancelReserve(0, $res->{'itemnumber'}, $res->{'borrowernumber'});
+                                       }
+                               }
+                               if ($cancelreserve) {
+                                       CancelReserve($res->{'biblionumber'}, 0, $res->{'borrowernumber'});
+                               }
+                               else {
+                                       # set waiting reserve to first in reserve queue as book isn't waiting now
+                                       ModReserve(1,
+                                               $res->{'biblionumber'},
+                                               $res->{'borrowernumber'},
+                                               $res->{'branchcode'}
+                                       );
+                               }
+                       }
 
-        # Starting process for transfer job (checking transfert and validate it if we have one)
+                       # Starting process for transfer job (checking transfert and validate it if we have one)
             my ($datesent) = GetTransfers($item->{'itemnumber'});
             if ($datesent) {
-        #      updating line of branchtranfert to finish it, and changing the to branch value, implement a comment for lisibility of this case (maybe for stats ....)
-            my $sth =
+        #      updating line of branchtranfert to finish it, and changing the to branch value, implement a comment for visibility of this case (maybe for stats ....)
+                my $sth =
                     $dbh->prepare(
                     "UPDATE branchtransfers 
                         SET datearrived = now(),
                         tobranch = ?,
-                        comments = 'Forced branchtransfert'
+                        comments = 'Forced branchtransfer'
                     WHERE itemnumber= ? AND datearrived IS NULL"
                     );
-                    $sth->execute(C4::Context->userenv->{'branch'},$item->{'itemnumber'});
-                    $sth->finish;
+                $sth->execute(C4::Context->userenv->{'branch'},$item->{'itemnumber'});
             }
 
         # Record in the database the fact that the book was issued.
@@ -967,47 +976,32 @@ sub AddIssue {
                     (borrowernumber, itemnumber,issuedate, date_due, branchcode)
                 VALUES (?,?,?,?,?)"
           );
-               my $dateduef;
-        if ($date) {
-            $dateduef = $date;
-        } else {
-                       my $itype=(C4::Context->preference('item-level_itypes')) ?  $biblio->{'itype'} : $biblio->{'itemtype'} ;
-               my $loanlength = GetLoanLength(
-                   $borrower->{'categorycode'},
-                   $itype,
-                   $borrower->{'branchcode'}
-               );
-               $datedue  = time + ($loanlength) * 86400;
-               my @datearr  = localtime($datedue);
-                       $dateduef = C4::Dates->new( sprintf("%04d-%02d-%02d", 1900 + $datearr[5], $datearr[4] + 1, $datearr[3]), 'iso');
-                       $dateduef=CheckValidDatedue($dateduef,$item->{'itemnumber'},C4::Context->userenv->{'branch'});
-               
-               # if ReturnBeforeExpiry ON the datedue can't be after borrower expirydate
-               if ( C4::Context->preference('ReturnBeforeExpiry') && $dateduef->output('iso') gt $borrower->{dateexpiry} ) {
-                   $dateduef = C4::Dates->new($borrower->{dateexpiry},'iso');
-               }
-        };
-               $sth->execute(
-            $borrower->{'borrowernumber'},
-            $item->{'itemnumber'},
-            strftime( "%Y-%m-%d", localtime ),$dateduef->output('iso'), C4::Context->userenv->{'branch'}
-        );
-        $sth->finish;
-        $item->{'issues'}++;
-        $sth =
-          $dbh->prepare(
-            "UPDATE items SET issues=?, holdingbranch=?, itemlost=0, datelastborrowed  = now(), onloan = ? WHERE itemnumber=?");
+        unless ($datedue) {
+            my $itype = ( C4::Context->preference('item-level_itypes') ) ? $biblio->{'itype'} : $biblio->{'itemtype'};
+            my $loanlength = GetLoanLength( $borrower->{'categorycode'}, $itype, $branch );
+            $datedue = CalcDateDue( C4::Dates->new( $issuedate, 'iso' ), $loanlength, $branch, $borrower );
+
+            # if ReturnBeforeExpiry ON the datedue can't be after borrower expirydate
+            if ( C4::Context->preference('ReturnBeforeExpiry') && $datedue->output('iso') gt $borrower->{dateexpiry} ) {
+                $datedue = C4::Dates->new( $borrower->{dateexpiry}, 'iso' );
+            }
+        }
         $sth->execute(
-            $item->{'issues'},
-            C4::Context->userenv->{'branch'},
-                       $dateduef->output('iso'),
-            $item->{'itemnumber'}
+            $borrower->{'borrowernumber'},      # borrowernumber
+            $item->{'itemnumber'},              # itemnumber
+            $issuedate,                         # issuedate
+            $datedue->output('iso'),            # date_due
+            $branch                                                            # branchcode
         );
-        $sth->finish;
-        &ModDateLastSeen( $item->{'itemnumber'} );
-        my $record = GetMarcItem( $item->{'biblionumber'}, $item->{'itemnumber'} );
-        my $frameworkcode = GetFrameworkCode( $item->{'biblionumber'} );                                                                                         
-        ModItemInMarc( $record, $item->{'biblionumber'}, $item->{'itemnumber'}, $frameworkcode );
+        $item->{'issues'}++;
+        ModItem({ issues           => $item->{'issues'},
+                  holdingbranch    => C4::Context->userenv->{branch},
+                  itemlost         => 0,
+                  datelastborrowed => C4::Dates->new()->output('iso'),
+                  onloan           => $datedue->output('iso'),
+                }, $item->{'biblionumber'}, $item->{'itemnumber'});
+        ModDateLastSeen( $item->{'itemnumber'} );
+        
         # If it costs to borrow this book, charge it to the patron's account.
         my ( $charge, $itemtype ) = GetIssuingCharges(
             $item->{'itemnumber'},
@@ -1024,16 +1018,16 @@ sub AddIssue {
         # Record the fact that this book was issued.
         &UpdateStats(
             C4::Context->userenv->{'branch'},
-            'issue',                        $charge,
-            '',                             $item->{'itemnumber'},
-            $item->{'itemtype'}, $borrower->{'borrowernumber'}
+            'issue', $charge,
+            ($sipmode ? "SIP-$sipmode" : ''), $item->{'itemnumber'},
+            $item->{'itype'}, $borrower->{'borrowernumber'}
         );
     }
     
-    &logaction(C4::Context->userenv->{'number'},"CIRCULATION","ISSUE",$borrower->{'borrowernumber'},$biblio->{'biblionumber'}) 
+    logaction("CIRCULATION", "ISSUE", $borrower->{'borrowernumber'}, $biblio->{'biblionumber'}) 
         if C4::Context->preference("IssueLog");
-    return ($datedue);
-  }  
+  }
+  return ($datedue);   # not necessarily the same as when it came in!
 }
 
 =head2 GetLoanLength
@@ -1059,27 +1053,27 @@ sub GetLoanLength {
     return $loanlength->{issuelength}
       if defined($loanlength) && $loanlength->{issuelength} ne 'NULL';
 
-    $sth->execute( $borrowertype, $itemtype, "*" );
+    $sth->execute( $borrowertype, "*", $branchcode );
     $loanlength = $sth->fetchrow_hashref;
     return $loanlength->{issuelength}
       if defined($loanlength) && $loanlength->{issuelength} ne 'NULL';
 
-    $sth->execute( $borrowertype, "*", $branchcode );
+    $sth->execute( "*", $itemtype, $branchcode );
     $loanlength = $sth->fetchrow_hashref;
     return $loanlength->{issuelength}
       if defined($loanlength) && $loanlength->{issuelength} ne 'NULL';
 
-    $sth->execute( "*", $itemtype, $branchcode );
+    $sth->execute( "*", "*", $branchcode );
     $loanlength = $sth->fetchrow_hashref;
     return $loanlength->{issuelength}
       if defined($loanlength) && $loanlength->{issuelength} ne 'NULL';
 
-    $sth->execute( $borrowertype, "*", "*" );
+    $sth->execute( $borrowertype, $itemtype, "*" );
     $loanlength = $sth->fetchrow_hashref;
     return $loanlength->{issuelength}
       if defined($loanlength) && $loanlength->{issuelength} ne 'NULL';
 
-    $sth->execute( "*", "*", $branchcode );
+    $sth->execute( $borrowertype, "*", "*" );
     $loanlength = $sth->fetchrow_hashref;
     return $loanlength->{issuelength}
       if defined($loanlength) && $loanlength->{issuelength} ne 'NULL';
@@ -1098,16 +1092,171 @@ sub GetLoanLength {
     return 21;
 }
 
+=head2 GetIssuingRule
+
+FIXME - This is a copy-paste of GetLoanLength 
+as a stop-gap.  Do not wish to change API for GetLoanLength 
+this close to release, however, Overdues::GetIssuingRules is broken.
+
+Get the issuing rule for an itemtype, a borrower type and a branch
+Returns a hashref from the issuingrules table.
+
+my $irule = &GetIssuingRule($borrowertype,$itemtype,branchcode)
+
+=cut
+
+sub GetIssuingRule {
+    my ( $borrowertype, $itemtype, $branchcode ) = @_;
+    my $dbh = C4::Context->dbh;
+    my $sth =  $dbh->prepare( "select * from issuingrules where categorycode=? and itemtype=? and branchcode=? and issuelength is not null"  );
+    my $irule;
+
+       $sth->execute( $borrowertype, $itemtype, $branchcode );
+    $irule = $sth->fetchrow_hashref;
+    return $irule if defined($irule) ;
+
+    $sth->execute( $borrowertype, "*", $branchcode );
+    $irule = $sth->fetchrow_hashref;
+    return $irule if defined($irule) ;
+
+    $sth->execute( "*", $itemtype, $branchcode );
+    $irule = $sth->fetchrow_hashref;
+    return $irule if defined($irule) ;
+
+    $sth->execute( "*", "*", $branchcode );
+    $irule = $sth->fetchrow_hashref;
+    return $irule if defined($irule) ;
+
+    $sth->execute( $borrowertype, $itemtype, "*" );
+    $irule = $sth->fetchrow_hashref;
+    return $irule if defined($irule) ;
+
+    $sth->execute( $borrowertype, "*", "*" );
+    $irule = $sth->fetchrow_hashref;
+    return $irule if defined($irule) ;
+
+    $sth->execute( "*", $itemtype, "*" );
+    $irule = $sth->fetchrow_hashref;
+    return $irule if defined($irule) ;
+
+    $sth->execute( "*", "*", "*" );
+    $irule = $sth->fetchrow_hashref;
+    return $irule if defined($irule) ;
+
+    # if no rule matches,
+    return undef;
+}
+
+=head2 GetBranchBorrowerCircRule
+
+=over 4
+
+my $branch_cat_rule = GetBranchBorrowerCircRule($branchcode, $categorycode);
+
+=back
+
+Retrieves circulation rule attributes that apply to the given
+branch and patron category, regardless of item type.  
+The return value is a hashref containing the following key:
+
+maxissueqty - maximum number of loans that a
+patron of the given category can have at the given
+branch.  If the value is undef, no limit.
+
+This will first check for a specific branch and
+category match from branch_borrower_circ_rules. 
+
+If no rule is found, it will then check default_branch_circ_rules
+(same branch, default category).  If no rule is found,
+it will then check default_borrower_circ_rules (default 
+branch, same category), then failing that, default_circ_rules
+(default branch, default category).
+
+If no rule has been found in the database, it will default to
+the buillt in rule:
+
+maxissueqty - undef
+
+C<$branchcode> and C<$categorycode> should contain the
+literal branch code and patron category code, respectively - no
+wildcards.
+
+=cut
+
+sub GetBranchBorrowerCircRule {
+    my $branchcode = shift;
+    my $categorycode = shift;
+
+    my $branch_cat_query = "SELECT maxissueqty
+                            FROM branch_borrower_circ_rules
+                            WHERE branchcode = ?
+                            AND   categorycode = ?";
+    my $dbh = C4::Context->dbh();
+    my $sth = $dbh->prepare($branch_cat_query);
+    $sth->execute($branchcode, $categorycode);
+    my $result;
+    if ($result = $sth->fetchrow_hashref()) {
+        return $result;
+    }
+
+    # try same branch, default borrower category
+    my $branch_query = "SELECT maxissueqty
+                        FROM default_branch_circ_rules
+                        WHERE branchcode = ?";
+    $sth = $dbh->prepare($branch_query);
+    $sth->execute($branchcode);
+    if ($result = $sth->fetchrow_hashref()) {
+        return $result;
+    }
+
+    # try default branch, same borrower category
+    my $category_query = "SELECT maxissueqty
+                          FROM default_borrower_circ_rules
+                          WHERE categorycode = ?";
+    $sth = $dbh->prepare($category_query);
+    $sth->execute($categorycode);
+    if ($result = $sth->fetchrow_hashref()) {
+        return $result;
+    }
+  
+    # try default branch, default borrower category
+    my $default_query = "SELECT maxissueqty
+                          FROM default_circ_rules";
+    $sth = $dbh->prepare($default_query);
+    $sth->execute();
+    if ($result = $sth->fetchrow_hashref()) {
+        return $result;
+    }
+    
+    # built-in default circulation rule
+    return {
+        maxissueqty => undef,
+    };
+}
+
 =head2 AddReturn
 
 ($doreturn, $messages, $iteminformation, $borrower) =
-    &AddReturn($barcode, $branch, $exemptfine);
+    &AddReturn($barcode, $branch, $exemptfine, $dropbox);
 
 Returns a book.
 
-C<$barcode> is the bar code of the book being returned. C<$branch> is
-the code of the branch where the book is being returned.  C<$exemptfine>
-indicates that overdue charges for the item will not be applied.
+=over 4
+
+=item C<$barcode> is the bar code of the book being returned.
+
+=item C<$branch> is the code of the branch where the book is being returned.
+
+=item C<$exemptfine> indicates that overdue charges for the item will be
+removed.
+
+=item C<$dropbox> indicates that the check-in date is assumed to be
+yesterday, or the last non-holiday as defined in C4::Calendar .  If
+overdue charges are applied and C<$dropbox> is true, the last charge
+will be removed.  This assumes that the fines accrual script has run
+for _today_.
+
+=back
 
 C<&AddReturn> returns a list of four items:
 
@@ -1144,45 +1293,59 @@ either C<Waiting>, C<Reserved>, or 0.
 
 =back
 
+C<$iteminformation> is a reference-to-hash, giving information about the
+returned item from the issues table.
+
 C<$borrower> is a reference-to-hash, giving information about the
 patron who last borrowed the book.
 
 =cut
 
 sub AddReturn {
-    my ( $barcode, $branch, $exemptfine ) = @_;
+    my ( $barcode, $branch, $exemptfine, $dropbox ) = @_;
     my $dbh      = C4::Context->dbh;
     my $messages;
     my $doreturn = 1;
     my $borrower;
     my $validTransfert = 0;
     my $reserveDone = 0;
+       $branch ||=C4::Context->userenv->{'branch'};
     
     # get information on item
-    my $iteminformation = GetItemIssue( GetItemnumberFromBarcode($barcode));
-    my $biblio = GetBiblioFromItemNumber($iteminformation->{'itemnumber'});
-    unless ($iteminformation->{'itemnumber'} ) {
+    my $itemnumber = GetItemnumberFromBarcode($barcode);
+    my $iteminformation = GetItemIssue( $itemnumber );
+    my $biblio = GetBiblioItemData($iteminformation->{'biblioitemnumber'});
+#     use Data::Dumper;warn Data::Dumper::Dumper($iteminformation);  
+    unless ( $iteminformation->{'itemnumber'} or $itemnumber) {
         $messages->{'BadBarcode'} = $barcode;
         $doreturn = 0;
     } else {
         # find the borrower
-        if ( ( not $iteminformation->{borrowernumber} ) && $doreturn ) {
+        if ( not $iteminformation->{borrowernumber} ) {
             $messages->{'NotIssued'} = $barcode;
             $doreturn = 0;
         }
-    
+        
+        # even though item is not on loan, it may still
+        # be transferred; therefore, get current branch information
+        my $curr_iteminfo = GetItem($itemnumber);
+        $iteminformation->{'homebranch'} = $curr_iteminfo->{'homebranch'};
+        $iteminformation->{'holdingbranch'} = $curr_iteminfo->{'holdingbranch'};
+        $iteminformation->{'itemlost'} = $curr_iteminfo->{'itemlost'};
+        
         # check if the book is in a permanent collection....
-        my $hbr      = $iteminformation->{'homebranch'};
+        my $hbr      = $iteminformation->{C4::Context->preference("HomeOrHoldingBranch")};
         my $branches = GetBranches();
+               # FIXME -- This 'PE' attribute is largely undocumented.  afaict, there's no user interface that reflects this functionality.
         if ( $hbr && $branches->{$hbr}->{'PE'} ) {
             $messages->{'IsPermanent'} = $hbr;
         }
                
-               # if independent branches are on and returning to different branch, refuse the return
-        if ($hbr ne C4::Context->userenv->{'branch'} && C4::Context->preference("IndependantBranches")){
-                       $messages->{'Wrongbranch'} = 1;
-                       $doreturn=0;
-               }
+                   # if independent branches are on and returning to different branch, refuse the return
+        if ($hbr ne $branch && C4::Context->preference("IndependantBranches") && $iteminformation->{borrowernumber}){
+                         $messages->{'Wrongbranch'} = 1;
+                         $doreturn=0;
+                   }
                        
         # check that the book has been cancelled
         if ( $iteminformation->{'wthdrawn'} ) {
@@ -1190,6 +1353,7 @@ sub AddReturn {
             $doreturn = 0;
         }
     
+
     #     new op dev : if the book returned in an other branch update the holding branch
     
     # update issues, thereby returning book (should push this out into another subroutine
@@ -1198,37 +1362,27 @@ sub AddReturn {
     # case of a return of document (deal with issues and holdingbranch)
     
         if ($doreturn) {
-            my $sth =
-            $dbh->prepare(
-    "UPDATE issues SET returndate = now() WHERE (borrowernumber = ?) AND (itemnumber = ?) AND (returndate IS NULL)"
-            );
-            $sth->execute( $borrower->{'borrowernumber'},
-                $iteminformation->{'itemnumber'} );
-            $messages->{'WasReturned'} = 1;    # FIXME is the "= 1" right?
-        }
-    
-    # continue to deal with returns cases, but not only if we have an issue
-    
-    # the holdingbranch is updated if the document is returned in an other location .
-    if ( $iteminformation->{'holdingbranch'} ne C4::Context->userenv->{'branch'} ) {
-               UpdateHoldingbranch(C4::Context->userenv->{'branch'},$iteminformation->{'itemnumber'}); 
-               #               reload iteminformation holdingbranch with the userenv value
-               $iteminformation->{'holdingbranch'} = C4::Context->userenv->{'branch'};
-       }
-        ModDateLastSeen( $iteminformation->{'itemnumber'} );
-               my $sth = $dbh->prepare("UPDATE items SET onloan = NULL where itemnumber = ?");
-               $sth->execute($iteminformation->{'itemnumber'});
-               $sth->finish();
-               my $record = GetMarcItem( $biblio->{'biblionumber'}, $iteminformation->{'itemnumber'} );
-               my $frameworkcode = GetFrameworkCode( $biblio->{'biblionumber'} );
-               ModItemInMarc( $record, $biblio->{'biblionumber'}, $iteminformation->{'itemnumber'}, $frameworkcode );
-               
-               if ($iteminformation->{borrowernumber}){
-                       ($borrower) = C4::Members::GetMemberDetails( $iteminformation->{borrowernumber}, 0 );
-               }       
-        # fix up the accounts.....
-        if ( $iteminformation->{'itemlost'} ) {
-            $messages->{'WasLost'} = 1;
+                       my $circControlBranch = _GetCircControlBranch($iteminformation,$borrower);
+                       if($dropbox) {
+                               # don't allow dropbox mode to create an invalid entry in issues (issuedate > returndate) FIXME: actually checks eq, not gt
+                               undef($dropbox) if ( $iteminformation->{'issuedate'} eq C4::Dates->today('iso') );
+                       }
+            MarkIssueReturned($borrower->{'borrowernumber'}, $iteminformation->{'itemnumber'},$circControlBranch);
+            $messages->{'WasReturned'} = 1;    # FIXME is the "= 1" right?  
+            # continue to deal with returns cases, but not only if we have an issue
+            
+            
+            # We update the holdingbranch from circControlBranch variable
+            UpdateHoldingbranch($branch,$iteminformation->{'itemnumber'});
+            $iteminformation->{'holdingbranch'} = $branch;
+        
+            
+            ModDateLastSeen( $iteminformation->{'itemnumber'} );
+            ModItem({ onloan => undef }, $biblio->{'biblionumber'}, $iteminformation->{'itemnumber'});
+
+            if ($iteminformation->{borrowernumber}){
+              ($borrower) = C4::Members::GetMemberDetails( $iteminformation->{borrowernumber}, 0 );
+            }
         }
     
     # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
@@ -1237,7 +1391,7 @@ sub AddReturn {
     
     #     if we have a transfer to do, we update the line of transfers with the datearrived
         if ($datesent) {
-            if ( $tobranch eq C4::Context->userenv->{'branch'} ) {
+            if ( $tobranch eq $branch ) {
                     my $sth =
                     $dbh->prepare(
                             "UPDATE branchtransfers SET datearrived = now() WHERE itemnumber= ? AND datearrived IS NULL"
@@ -1258,16 +1412,17 @@ sub AddReturn {
         # fix up the accounts.....
         if ($iteminformation->{'itemlost'}) {
                 FixAccountForLostAndReturned($iteminformation, $borrower);
+                ModItem({ itemlost => '0' }, $biblio->{'biblionumber'}, $iteminformation->{'itemnumber'});
                 $messages->{'WasLost'} = 1;
         }
         # fix up the overdues in accounts...
         FixOverduesOnReturn( $borrower->{'borrowernumber'},
-            $iteminformation->{'itemnumber'}, $exemptfine );
+            $iteminformation->{'itemnumber'}, $exemptfine, $dropbox );
     
     # find reserves.....
     #     if we don't have a reserve with the status W, we launch the Checkreserves routine
-        my ( $resfound, $resrec ) =
-        C4::Reserves::CheckReserves( $iteminformation->{'itemnumber'} );
+        my ( $resfound, $resrec ) = 
+        C4::Reserves::CheckReserves( $itemnumber, $barcode );
         if ($resfound) {
             $resrec->{'ResFound'}   = $resfound;
             $messages->{'ResFound'} = $resrec;
@@ -1279,19 +1434,19 @@ sub AddReturn {
         UpdateStats(
             $branch, 'return', '0', '',
             $iteminformation->{'itemnumber'},
-            $iteminformation->{'itemtype'},
+            $biblio->{'itemtype'},
             $borrower->{'borrowernumber'}
         );
         
-        &logaction(C4::Context->userenv->{'number'},"CIRCULATION","RETURN",$iteminformation->{borrowernumber},$iteminformation->{'biblionumber'}) 
+        logaction("CIRCULATION", "RETURN", $iteminformation->{borrowernumber}, $iteminformation->{'biblionumber'}) 
             if C4::Context->preference("ReturnLog");
         
         #adding message if holdingbranch is non equal a userenv branch to return the document to homebranch
         #we check, if we don't have reserv or transfert for this document, if not, return it to homebranch .
         
-        if ( ($iteminformation->{'holdingbranch'} ne $iteminformation->{'homebranch'}) and not $messages->{'WrongTransfer'} and ($validTransfert ne 1) and ($reserveDone ne 1) ){
+        if (($doreturn or $messages->{'NotIssued'}) and ($branch ne $iteminformation->{$hbr}) and not $messages->{'WrongTransfer'} and ($validTransfert ne 1) and ($reserveDone ne 1) ){
                        if (C4::Context->preference("AutomaticItemReturn") == 1) {
-                               ModItemTransfer($iteminformation->{'itemnumber'}, C4::Context->userenv->{'branch'}, $iteminformation->{'homebranch'});
+                               ModItemTransfer($iteminformation->{'itemnumber'}, $branch, $iteminformation->{$hbr});
                                $messages->{'WasTransfered'} = 1;
                        }
                        else {
@@ -1302,20 +1457,78 @@ sub AddReturn {
     return ( $doreturn, $messages, $iteminformation, $borrower );
 }
 
+=head2 MarkIssueReturned
+
+=over 4
+
+MarkIssueReturned($borrowernumber, $itemnumber, $dropbox_branch, $returndate);
+
+=back
+
+Unconditionally marks an issue as being returned by
+moving the C<issues> row to C<old_issues> and
+setting C<returndate> to the current date, or
+the last non-holiday date of the branccode specified in
+C<dropbox_branch> .  Assumes you've already checked that 
+it's safe to do this, i.e. last non-holiday > issuedate.
+
+if C<$returndate> is specified (in iso format), it is used as the date
+of the return. It is ignored when a dropbox_branch is passed in.
+
+Ideally, this function would be internal to C<C4::Circulation>,
+not exported, but it is currently needed by one 
+routine in C<C4::Accounts>.
+
+=cut
+
+sub MarkIssueReturned {
+    my ( $borrowernumber, $itemnumber, $dropbox_branch, $returndate ) = @_;
+    my $dbh   = C4::Context->dbh;
+    my $query = "UPDATE issues SET returndate=";
+    my @bind;
+    if ($dropbox_branch) {
+        my $calendar = C4::Calendar->new( branchcode => $dropbox_branch );
+        my $dropboxdate = $calendar->addDate( C4::Dates->new(), -1 );
+        $query .= " ? ";
+        push @bind, $dropboxdate->output('iso');
+    } elsif ($returndate) {
+        $query .= " ? ";
+        push @bind, $returndate;
+    } else {
+        $query .= " now() ";
+    }
+    $query .= " WHERE  borrowernumber = ?  AND itemnumber = ?";
+    push @bind, $borrowernumber, $itemnumber;
+    # FIXME transaction
+    my $sth_upd  = $dbh->prepare($query);
+    $sth_upd->execute(@bind);
+    my $sth_copy = $dbh->prepare("INSERT INTO old_issues SELECT * FROM issues 
+                                  WHERE borrowernumber = ?
+                                  AND itemnumber = ?");
+    $sth_copy->execute($borrowernumber, $itemnumber);
+    my $sth_del  = $dbh->prepare("DELETE FROM issues
+                                  WHERE borrowernumber = ?
+                                  AND itemnumber = ?");
+    $sth_del->execute($borrowernumber, $itemnumber);
+}
+
 =head2 FixOverduesOnReturn
 
-    &FixOverduesOnReturn($brn,$itm, $exemptfine);
+    &FixOverduesOnReturn($brn,$itm, $exemptfine, $dropboxmode);
 
 C<$brn> borrowernumber
 
 C<$itm> itemnumber
 
+C<$exemptfine> BOOL -- remove overdue charge associated with this issue. 
+C<$dropboxmode> BOOL -- remove lastincrement on overdue charge associated with this issue.
+
 internal function, called only by AddReturn
 
 =cut
 
 sub FixOverduesOnReturn {
-    my ( $borrowernumber, $item, $exemptfine ) = @_;
+    my ( $borrowernumber, $item, $exemptfine, $dropbox ) = @_;
     my $dbh = C4::Context->dbh;
 
     # check for overdue fine
@@ -1328,10 +1541,30 @@ sub FixOverduesOnReturn {
     # alter fine to show that the book has been returned
    my $data; 
        if ($data = $sth->fetchrow_hashref) {
-        my $uquery =($exemptfine)? "update accountlines set accounttype='FFOR', amountoutstanding=0":"update accountlines set accounttype='F' ";
+        my $uquery;
+               my @bind = ($borrowernumber,$item ,$data->{'accountno'});
+               if ($exemptfine) {
+                       $uquery = "update accountlines set accounttype='FFOR', amountoutstanding=0";
+                       if (C4::Context->preference("FinesLog")) {
+                       &logaction("FINES", 'MODIFY',$borrowernumber,"Overdue forgiven: item $item");
+                       }
+               } elsif ($dropbox && $data->{lastincrement}) {
+                       my $outstanding = $data->{amountoutstanding} - $data->{lastincrement} ;
+                       my $amt = $data->{amount} - $data->{lastincrement} ;
+                       if (C4::Context->preference("FinesLog")) {
+                       &logaction("FINES", 'MODIFY',$borrowernumber,"Dropbox adjustment $amt, item $item");
+                       }
+                        $uquery = "update accountlines set accounttype='F' ";
+                        if($outstanding  >= 0 && $amt >=0) {
+                               $uquery .= ", amount = ? , amountoutstanding=? ";
+                               unshift @bind, ($amt, $outstanding) ;
+                       }
+               } else {
+                       $uquery = "update accountlines set accounttype='F' ";
+               }
                $uquery .= " where (borrowernumber = ?) and (itemnumber = ?) and (accountno = ?)";
         my $usth = $dbh->prepare($uquery);
-        $usth->execute($borrowernumber,$item ,$data->{'accountno'});
+        $usth->execute(@bind);
         $usth->finish();
     }
 
@@ -1355,7 +1588,6 @@ Internal function, called by AddReturn
 
 sub FixAccountForLostAndReturned {
        my ($iteminfo, $borrower) = @_;
-       my %env;
        my $dbh = C4::Context->dbh;
        my $itm = $iteminfo->{'itemnumber'};
        # check for charge made for lost book
@@ -1378,9 +1610,8 @@ sub FixAccountForLostAndReturned {
                        WHERE (borrowernumber = ?)
                        AND (itemnumber = ?) AND (accountno = ?) ");
                $usth->execute($data->{'borrowernumber'},$itm,$acctno);
-               $usth->finish;
        #check if any credit is left if so writeoff other accounts
-               my $nextaccntno = getnextacctno(\%env,$data->{'borrowernumber'},$dbh);
+               my $nextaccntno = getnextacctno($data->{'borrowernumber'});
                if ($amountleft < 0){
                $amountleft*=-1;
                }
@@ -1410,9 +1641,8 @@ sub FixAccountForLostAndReturned {
                                VALUES
                                (?,?,?,?)");
                        $usth->execute($data->{'borrowernumber'},$accdata->{'accountno'},$nextaccntno,$newamtos);
-                       $usth->finish;
                }
-               $msth->finish;
+               $msth->finish;  # $msth might actually have data left
                }
                if ($amountleft > 0){
                        $amountleft*=-1;
@@ -1422,54 +1652,74 @@ sub FixAccountForLostAndReturned {
                        (borrowernumber,accountno,date,amount,description,accounttype,amountoutstanding)
                        VALUES (?,?,now(),?,?,'CR',?)");
                $usth->execute($data->{'borrowernumber'},$nextaccntno,0-$amount,$desc,$amountleft);
-               $usth->finish;
                $usth = $dbh->prepare("INSERT INTO accountoffsets
                        (borrowernumber, accountno, offsetaccount,  offsetamount)
                        VALUES (?,?,?,?)");
                $usth->execute($borrower->{'borrowernumber'},$data->{'accountno'},$nextaccntno,$offset);
-               $usth->finish;
-               $usth = $dbh->prepare("UPDATE items SET paidfor='' WHERE itemnumber=?");
-               $usth->execute($itm);
-               $usth->finish;
+        ModItem({ paidfor => '' }, undef, $itm);
        }
        $sth->finish;
        return;
 }
 
+=head2 _GetCircControlBranch
+
+   my $circ_control_branch = _GetCircControlBranch($iteminfos, $borrower);
+
+Internal function : 
+
+Return the library code to be used to determine which circulation
+policy applies to a transaction.  Looks up the CircControl and
+HomeOrHoldingBranch system preferences.
+
+C<$iteminfos> is a hashref to iteminfo. Only {itemnumber} is used.
+
+C<$borrower> is a hashref to borrower. Only {borrowernumber is used.
+
+=cut
+
+sub _GetCircControlBranch {
+    my ($iteminfos, $borrower) = @_;
+    my $circcontrol = C4::Context->preference('CircControl');
+    my $branch;
+
+    if ($circcontrol eq 'PickupLibrary') {
+        $branch= C4::Context->userenv->{'branch'};
+    } elsif ($circcontrol eq 'PatronLibrary') {
+        $branch=$borrower->{branchcode};
+    } else {
+        my $branchfield = C4::Context->preference('HomeOrHoldingBranch') || 'homebranch';
+        $branch = $iteminfos->{$branchfield};
+    }
+    return $branch;
+}
+
 =head2 GetItemIssue
 
 $issues = &GetItemIssue($itemnumber);
 
-Returns patrons currently having a book. nothing if item is not issued atm
+Returns patron currently having a book, or undef if not checked out.
 
 C<$itemnumber> is the itemnumber
 
-Returns an array of hashes
+C<$issues> is an array of hashes.
+
 =cut
 
 sub GetItemIssue {
-    my ( $itemnumber) = @_;
+    my ($itemnumber) = @_;
     return unless $itemnumber;
-    my $dbh = C4::Context->dbh;
-    my @GetItemIssues;
-    
-    # get today date
-    my $today = POSIX::strftime("%Y%m%d", localtime);
-
-    my $sth = $dbh->prepare(
-        "SELECT * FROM issues 
+    my $sth = C4::Context->dbh->prepare(
+        "SELECT *
+        FROM issues 
         LEFT JOIN items ON issues.itemnumber=items.itemnumber
-    WHERE
-    issues.itemnumber=?  AND returndate IS NULL ");
+        WHERE issues.itemnumber=?");
     $sth->execute($itemnumber);
     my $data = $sth->fetchrow_hashref;
-    my $datedue = $data->{'date_due'};
-    $datedue =~ s/-//g;
-    if ( $datedue < $today ) {
-        $data->{'overdue'} = 1;
-    }
-    $data->{'itemnumber'} = $itemnumber; # fill itemnumber, in case item is not on issue
-    $sth->finish;
+    return unless $data;
+    $data->{'overdue'} = ($data->{'date_due'} lt C4::Dates->today('iso')) ? 1 : 0;
+    $data->{'itemnumber'} = $itemnumber; # fill itemnumber, in case item is not on issue.
+    # FIXME: that would mean issues.itemnumber IS NULL and we didn't really match it.
     return ($data);
 }
 
@@ -1480,39 +1730,40 @@ $issues = &GetItemIssues($itemnumber, $history);
 Returns patrons that have issued a book
 
 C<$itemnumber> is the itemnumber
-C<$history> is 0 if you want actuel "issuer" (if it exist) and 1 if you want issues history
+C<$history> is false if you just want the current "issuer" (if any)
+and true if you want issues history from old_issues also.
+
+Returns reference to an array of hashes
 
-Returns an array of hashes
 =cut
 
 sub GetItemIssues {
-    my ( $itemnumber,$history ) = @_;
-    my $dbh = C4::Context->dbh;
-    my @GetItemIssues;
+    my ( $itemnumber, $history ) = @_;
     
-    # get today date
-    my $today = POSIX::strftime("%Y%m%d", localtime);
-
-    my $sth = $dbh->prepare(
-        "SELECT * FROM issues 
-        LEFT JOIN borrowers ON borrowers.borrowernumber 
-        LEFT JOIN items ON items.itemnumber=issues.itemnumber 
-    WHERE
-    issues.itemnumber=?".($history?"":" AND returndate IS NULL ").
-    "ORDER BY issues.date_due DESC"
-    );
-    $sth->execute($itemnumber);
-    while ( my $data = $sth->fetchrow_hashref ) {
-        my $datedue = $data->{'date_due'};
-        $datedue =~ s/-//g;
-        if ( $datedue < $today ) {
-            $data->{'overdue'} = 1;
-        }
-        my $itemnumber = $data->{'itemnumber'};
-        push @GetItemIssues, $data;
+    my $today = C4::Dates->today('iso');  # get today date
+    my $sql = "SELECT * FROM issues 
+              JOIN borrowers USING (borrowernumber)
+              JOIN items     USING (itemnumber)
+              WHERE issues.itemnumber = ? ";
+    if ($history) {
+        $sql .= "UNION ALL
+                 SELECT * FROM old_issues 
+                 LEFT JOIN borrowers USING (borrowernumber)
+                 JOIN items USING (itemnumber)
+                 WHERE old_issues.itemnumber = ? ";
     }
-    $sth->finish;
-    return ( \@GetItemIssues );
+    $sql .= "ORDER BY date_due DESC";
+    my $sth = C4::Context->dbh->prepare($sql);
+    if ($history) {
+        $sth->execute($itemnumber, $itemnumber);
+    } else {
+        $sth->execute($itemnumber);
+    }
+    my $results = $sth->fetchall_arrayref({});
+    foreach (@$results) {
+        $_->{'overdue'} = ($_->{'date_due'} lt $today) ? 1 : 0;
+    }
+    return $results;
 }
 
 =head2 GetBiblioIssues
@@ -1537,12 +1788,20 @@ sub GetBiblioIssues {
             LEFT JOIN borrowers ON borrowers.borrowernumber = issues.borrowernumber
             LEFT JOIN items ON issues.itemnumber = items.itemnumber
             LEFT JOIN biblioitems ON items.itemnumber = biblioitems.biblioitemnumber
-            LEFT JOIN biblio ON biblio.biblionumber = items.biblioitemnumber
+            LEFT JOIN biblio ON biblio.biblionumber = items.biblionumber
+        WHERE biblio.biblionumber = ?
+        UNION ALL
+        SELECT old_issues.*,items.barcode,biblio.biblionumber,biblio.title, biblio.author,borrowers.cardnumber,borrowers.surname,borrowers.firstname
+        FROM old_issues
+            LEFT JOIN borrowers ON borrowers.borrowernumber = old_issues.borrowernumber
+            LEFT JOIN items ON old_issues.itemnumber = items.itemnumber
+            LEFT JOIN biblioitems ON items.itemnumber = biblioitems.biblioitemnumber
+            LEFT JOIN biblio ON biblio.biblionumber = items.biblionumber
         WHERE biblio.biblionumber = ?
-        ORDER BY issues.timestamp
+        ORDER BY timestamp
     ";
     my $sth = $dbh->prepare($query);
-    $sth->execute($biblionumber);
+    $sth->execute($biblionumber, $biblionumber);
 
     my @issues;
     while ( my $data = $sth->fetchrow_hashref ) {
@@ -1551,9 +1810,43 @@ sub GetBiblioIssues {
     return \@issues;
 }
 
+=head2 GetUpcomingDueIssues
+
+=over 4
+my $upcoming_dues = GetUpcomingDueIssues( { days_in_advance => 4 } );
+
+=back
+
+=cut
+
+sub GetUpcomingDueIssues {
+    my $params = shift;
+
+    $params->{'days_in_advance'} = 7 unless exists $params->{'days_in_advance'};
+    my $dbh = C4::Context->dbh;
+
+    my $statement = <<END_SQL;
+SELECT issues.*, items.itype as itemtype, items.homebranch, TO_DAYS( date_due )-TO_DAYS( NOW() ) as days_until_due
+FROM issues 
+LEFT JOIN items USING (itemnumber)
+WhERE returndate is NULL
+AND ( TO_DAYS( NOW() )-TO_DAYS( date_due ) ) < ?
+END_SQL
+
+    my @bind_parameters = ( $params->{'days_in_advance'} );
+    
+    my $sth = $dbh->prepare( $statement );
+    $sth->execute( @bind_parameters );
+    my $upcoming_dues = $sth->fetchall_arrayref({});
+    $sth->finish;
+
+    return $upcoming_dues;
+}
+
 =head2 CanBookBeRenewed
 
-$ok = &CanBookBeRenewed($borrowernumber, $itemnumber);
+($ok,$error) = &CanBookBeRenewed($borrowernumber, $itemnumber[, $override_limit]);
 
 Find out whether a borrowed item may be renewed.
 
@@ -1564,20 +1857,25 @@ has the item on loan.
 
 C<$itemnumber> is the number of the item to renew.
 
+C<$override_limit>, if supplied with a true value, causes
+the limit on the number of times that the loan can be renewed
+(as controlled by the item type) to be ignored.
+
 C<$CanBookBeRenewed> returns a true value iff the item may be renewed. The
 item must currently be on loan to the specified borrower; renewals
 must be allowed for the item's type; and the borrower must not have
-already renewed the loan.
+already renewed the loan. $error will contain the reason the renewal can not proceed
 
 =cut
 
 sub CanBookBeRenewed {
 
     # check renewal status
-    my ( $borrowernumber, $itemnumber ) = @_;
+    my ( $borrowernumber, $itemnumber, $override_limit ) = @_;
     my $dbh       = C4::Context->dbh;
     my $renews    = 1;
     my $renewokay = 0;
+       my $error;
 
     # Look in the issues table for this item, lent to this borrower,
     # and not yet returned.
@@ -1586,8 +1884,7 @@ sub CanBookBeRenewed {
     my $sth1 = $dbh->prepare(
         "SELECT * FROM issues
             WHERE borrowernumber = ?
-            AND itemnumber = ?
-            AND returndate IS NULL"
+            AND itemnumber = ?"
     );
     $sth1->execute( $borrowernumber, $itemnumber );
     if ( my $data1 = $sth1->fetchrow_hashref ) {
@@ -1598,34 +1895,38 @@ sub CanBookBeRenewed {
         # because it's a bit messy: given the item number, we need to find
         # the biblioitem, which gives us the itemtype, which tells us
         # whether it may be renewed.
-        my $sth2 = $dbh->prepare(
-            "SELECT renewalsallowed FROM items
-                LEFT JOIN biblioitems on items.biblioitemnumber = biblioitems.biblioitemnumber
-                LEFT JOIN itemtypes ON biblioitems.itemtype = itemtypes.itemtype
-                WHERE items.itemnumber = ?
-                "
-        );
+        my $query = "SELECT renewalsallowed FROM items ";
+        $query .= (C4::Context->preference('item-level_itypes'))
+                    ? "LEFT JOIN itemtypes ON items.itype = itemtypes.itemtype "
+                    : "LEFT JOIN biblioitems on items.biblioitemnumber = biblioitems.biblioitemnumber
+                       LEFT JOIN itemtypes ON biblioitems.itemtype = itemtypes.itemtype ";
+        $query .= "WHERE items.itemnumber = ?";
+        my $sth2 = $dbh->prepare($query);
         $sth2->execute($itemnumber);
         if ( my $data2 = $sth2->fetchrow_hashref ) {
             $renews = $data2->{'renewalsallowed'};
         }
-        if ( $renews && $renews >= $data1->{'renewals'} ) {
+        if ( ( $renews && $renews > $data1->{'renewals'} ) || $override_limit ) {
             $renewokay = 1;
         }
+        else {
+                       $error="too_many";
+               }
         $sth2->finish;
         my ( $resfound, $resrec ) = C4::Reserves::CheckReserves($itemnumber);
         if ($resfound) {
             $renewokay = 0;
+                       $error="on_reserve"
         }
 
     }
     $sth1->finish;
-    return ($renewokay);
+    return ($renewokay,$error);
 }
 
 =head2 AddRenewal
 
-&AddRenewal($borrowernumber, $itemnumber, $datedue);
+&AddRenewal($borrowernumber, $itemnumber, $branch, [$datedue], [$lastreneweddate]);
 
 Renews a loan.
 
@@ -1634,71 +1935,95 @@ has the item.
 
 C<$itemnumber> is the number of the item to renew.
 
-C<$datedue> can be used to set the due date. If C<$datedue> is the
-empty string, C<&AddRenewal> will calculate the due date automatically
-from the book's item type. If you wish to set the due date manually,
-C<$datedue> should be in the form YYYY-MM-DD.
+C<$branch> is the library where the renewal took place (if any).
+           The library that controls the circ policies for the renewal is retrieved from the issues record.
+
+C<$datedue> can be a C4::Dates object used to set the due date.
+
+C<$lastreneweddate> is an optional ISO-formatted date used to set issues.lastreneweddate.  If
+this parameter is not supplied, lastreneweddate is set to the current date.
+
+If C<$datedue> is the empty string, C<&AddRenewal> will calculate the due date automatically
+from the book's item type.
 
 =cut
 
 sub AddRenewal {
+    
+    my $borrowernumber  = shift or return undef;
+    my $itemnumber      = shift or return undef;
+    my $item   = GetItem($itemnumber) or return undef;
+    my $branch  = (@_) ? shift : $item->{homebranch};  # opac-renew doesn't send branch
+    my $datedue         = shift;
+    my $lastreneweddate = shift || C4::Dates->new()->output('iso');
+
+
+    my $biblio = GetBiblioFromItemNumber($itemnumber) or return undef;
 
-    my ( $borrowernumber, $itemnumber, $branch ,$datedue ) = @_;
-    my $dbh = C4::Context->dbh;
-       
-       my $biblio = GetBiblioFromItemNumber($itemnumber);
     # If the due date wasn't specified, calculate it by adding the
     # book's loan length to today's date.
-    unless ( $datedue ) {
-
+    unless ($datedue && $datedue->output('iso')) {
 
-        my $borrower = C4::Members::GetMemberDetails( $borrowernumber, 0 );
+        my $borrower = C4::Members::GetMemberDetails( $borrowernumber, 0 ) or return undef;
         my $loanlength = GetLoanLength(
             $borrower->{'categorycode'},
              (C4::Context->preference('item-level_itypes')) ? $biblio->{'itype'} : $biblio->{'itemtype'} ,
-                       $borrower->{'branchcode'}
+                       $item->{homebranch}                     # item's homebranch determines loanlength OR do we want the branch specified by the AddRenewal argument?
         );
-               #FIXME --  choose issuer or borrower branch.
-               #FIXME -- where's the calendar ?
-               #FIXME -- $debug-ify the (0)
-        my @darray = Add_Delta_DHMS( Today_and_Now(), $loanlength, 0, 0, 0 );
-        $datedue = C4::Dates->new( sprintf("%04d-%02d-%02d",@darray[0..2]), 'iso');
-               (0) and print STDERR  "C4::Dates->new->output = " . C4::Dates->new()->output()
-                               . "\ndatedue->output = " . $datedue->output()
-                               . "\n(Y,M,D) = " . join ',', @darray;
-               $datedue=CheckValidDatedue($datedue,$itemnumber,$branch);
+               #FIXME -- use circControl?
+               $datedue =  CalcDateDue(C4::Dates->new(),$loanlength,$branch,$borrower);        # this branch is the transactional branch.
+                                                               # The question of whether to use item's homebranch calendar is open.
+    }
+
+    # $lastreneweddate defaults to today.
+    unless (defined $lastreneweddate) {
+        $lastreneweddate = strftime( "%Y-%m-%d", localtime );
     }
 
+    my $dbh = C4::Context->dbh;
     # Find the issues record for this book
     my $sth =
       $dbh->prepare("SELECT * FROM issues
                         WHERE borrowernumber=? 
-                        AND itemnumber=? 
-                        AND returndate IS NULL"
+                        AND itemnumber=?"
       );
     $sth->execute( $borrowernumber, $itemnumber );
     my $issuedata = $sth->fetchrow_hashref;
     $sth->finish;
+    if($datedue && ! $datedue->output('iso')){
+        warn "Invalid date passed to AddRenewal.";
+        return undef;
+    }
+    # If the due date wasn't specified, calculate it by adding the
+    # book's loan length to today's date or the current due date
+    # based on the value of the RenewalPeriodBase syspref.
+    unless ($datedue) {
+
+        my $borrower = C4::Members::GetMemberDetails( $borrowernumber, 0 ) or return undef;
+        my $loanlength = GetLoanLength(
+                    $borrower->{'categorycode'},
+                    (C4::Context->preference('item-level_itypes')) ? $biblio->{'itype'} : $biblio->{'itemtype'} ,
+                               $issuedata->{'branchcode'}  );   # that's the circ control branch.
+
+        $datedue = (C4::Context->preference('RenewalPeriodBase') eq 'date_due') ?
+                                        C4::Dates->new($issuedata->{date_due}, 'iso') :
+                                        C4::Dates->new();
+        $datedue =  CalcDateDue($datedue,$loanlength,$issuedata->{'branchcode'},$borrower);
+    }
 
     # Update the issues record to have the new due date, and a new count
     # of how many times it has been renewed.
     my $renews = $issuedata->{'renewals'} + 1;
-    $sth = $dbh->prepare("UPDATE issues SET date_due = ?, renewals = ?
+    $sth = $dbh->prepare("UPDATE issues SET date_due = ?, renewals = ?, lastreneweddate = ?
                             WHERE borrowernumber=? 
-                            AND itemnumber=? 
-                            AND returndate IS NULL"
+                            AND itemnumber=?"
     );
-    $sth->execute( $datedue->output('iso'), $renews, $borrowernumber, $itemnumber );
+    $sth->execute( $datedue->output('iso'), $renews, $lastreneweddate, $borrowernumber, $itemnumber );
     $sth->finish;
 
     # Update the renewal count on the item, and tell zebra to reindex
     $renews = $biblio->{'renewals'} + 1;
-    $sth = $dbh->prepare("UPDATE items SET renewals = ? WHERE itemnumber = ?");
-    $sth->execute($renews,$itemnumber);
-    $sth->finish();
-    my $record = GetMarcItem( $biblio->{'biblionumber'}, $itemnumber );
-    my $frameworkcode = GetFrameworkCode( $biblio->{'biblionumber'} );
-    ModItemInMarc( $record, $biblio->{'biblionumber'}, $itemnumber, $frameworkcode );
+    ModItem({ renewals => $renews, onloan => $datedue->output('iso') }, $biblio->{'biblionumber'}, $itemnumber);
 
     # Charge a new rental fee, if applicable?
     my ( $charge, $type ) = GetIssuingCharges( $itemnumber, $borrowernumber );
@@ -1707,10 +2032,12 @@ sub AddRenewal {
         my $item = GetBiblioFromItemNumber($itemnumber);
         $sth = $dbh->prepare(
                 "INSERT INTO accountlines
-                    (borrowernumber,accountno,date,amount,
-                        description,accounttype,amountoutstanding,
-                    itemnumber)
-                    VALUES (?,?,now(),?,?,?,?,?)"
+                    (date,
+                                       borrowernumber, accountno, amount,
+                    description,
+                                       accounttype, amountoutstanding, itemnumber
+                                       )
+                    VALUES (now(),?,?,?,?,?,?,?)"
         );
         $sth->execute( $borrowernumber, $accountno, $charge,
             "Renewal of Rental Item $item->{'title'} $item->{'barcode'}",
@@ -1718,7 +2045,8 @@ sub AddRenewal {
         $sth->finish;
     }
     # Log the renewal
-    UpdateStats( $branch, 'renew', $charge, '', $itemnumber );
+    UpdateStats( $branch, 'renew', $charge, '', $itemnumber, $item->{itype}, $borrowernumber);
+       return $datedue;
 }
 
 sub GetRenewCount {
@@ -1734,22 +2062,25 @@ sub GetRenewCount {
     # FIXME - I think this function could be redone to use only one SQL call.
     my $sth = $dbh->prepare("select * from issues
                                 where (borrowernumber = ?)
-                                and (itemnumber = ?)
-                                and returndate is null");
+                                and (itemnumber = ?)");
     $sth->execute($bornum,$itemno);
-        my $data = $sth->fetchrow_hashref;
-        $renewcount = $data->{'renewals'} if $data->{'renewals'};
-    my $sth2 = $dbh->prepare("select renewalsallowed from items,biblioitems,itemtypes
-        where (items.itemnumber = ?)
-                and (items.biblioitemnumber = biblioitems.biblioitemnumber)
-        and (biblioitems.itemtype = itemtypes.itemtype)");
+    my $data = $sth->fetchrow_hashref;
+    $renewcount = $data->{'renewals'} if $data->{'renewals'};
+    $sth->finish;
+    my $query = "SELECT renewalsallowed FROM items ";
+    $query .= (C4::Context->preference('item-level_itypes'))
+                ? "LEFT JOIN itemtypes ON items.itype = itemtypes.itemtype "
+                : "LEFT JOIN biblioitems on items.biblioitemnumber = biblioitems.biblioitemnumber
+                   LEFT JOIN itemtypes ON biblioitems.itemtype = itemtypes.itemtype ";
+    $query .= "WHERE items.itemnumber = ?";
+    my $sth2 = $dbh->prepare($query);
     $sth2->execute($itemno);
-        my $data2 = $sth2->fetchrow_hashref();
-        $renewsallowed = $data2->{'renewalsallowed'};
-        $renewsleft = $renewsallowed - $renewcount;
-        warn "Renewcount:$renewcount RenewsAll:$renewsallowed RenewLeft:$renewsleft";
-        return ($renewcount,$renewsallowed,$renewsleft);
+    my $data2 = $sth2->fetchrow_hashref();
+    $renewsallowed = $data2->{'renewalsallowed'};
+    $renewsleft = $renewsallowed - $renewcount;
+    return ($renewcount,$renewsallowed,$renewsleft);
 }
+
 =head2 GetIssuingCharges
 
 ($charge, $item_type) = &GetIssuingCharges($itemnumber, $borrowernumber);
@@ -1922,7 +2253,7 @@ sub AnonymiseIssueHistory {
     my $borrowernumber = shift;
     my $dbh            = C4::Context->dbh;
     my $query          = "
-        UPDATE issues
+        UPDATE old_issues
         SET    borrowernumber = NULL
         WHERE  returndate < '".$date."'
           AND borrowernumber IS NOT NULL
@@ -1962,32 +2293,66 @@ sub updateWrongTransfer {
 
 $items = UpdateHoldingbranch($branch,$itmenumber);
 Simple methode for updating hodlingbranch in items BDD line
+
 =cut
 
 sub UpdateHoldingbranch {
-       my ( $branch,$itmenumber ) = @_;
-       my $dbh = C4::Context->dbh;     
-# first step validate the actual line of transfert .
-       my $sth =
-               $dbh->prepare(
-                       "update items set holdingbranch = ? where itemnumber= ?"
-               );
-               $sth->execute($branch,$itmenumber);
-               $sth->finish;
-        
-       
+       my ( $branch,$itemnumber ) = @_;
+    ModItem({ holdingbranch => $branch }, undef, $itemnumber);
 }
+
+=head2 CalcDateDue
+
+$newdatedue = CalcDateDue($startdate,$loanlength,$branchcode);
+this function calculates the due date given the loan length ,
+checking against the holidays calendar as per the 'useDaysMode' syspref.
+C<$startdate>   = C4::Dates object representing start date of loan period (assumed to be today)
+C<$branch>  = location whose calendar to use
+C<$loanlength>  = loan length prior to adjustment
+=cut
+
+sub CalcDateDue { 
+       my ($startdate,$loanlength,$branch,$borrower) = @_;
+       my $datedue;
+
+       if(C4::Context->preference('useDaysMode') eq 'Days') {  # ignoring calendar
+               my $timedue = time + ($loanlength) * 86400;
+       #FIXME - assumes now even though we take a startdate 
+               my @datearr  = localtime($timedue);
+               $datedue = C4::Dates->new( sprintf("%04d-%02d-%02d", 1900 + $datearr[5], $datearr[4] + 1, $datearr[3]), 'iso');
+       } else {
+               my $calendar = C4::Calendar->new(  branchcode => $branch );
+               $datedue = $calendar->addDate($startdate, $loanlength);
+       }
+
+       # if ReturnBeforeExpiry ON the datedue can't be after borrower expirydate
+       if ( C4::Context->preference('ReturnBeforeExpiry') && $datedue->output('iso') gt $borrower->{dateexpiry} ) {
+           $datedue = C4::Dates->new( $borrower->{dateexpiry}, 'iso' );
+       }
+
+       # if ceilingDueDate ON the datedue can't be after the ceiling date
+       if ( C4::Context->preference('ceilingDueDate')
+            && ( C4::Context->preference('ceilingDueDate') =~ C4::Dates->regexp('syspref') )
+            && $datedue->output gt C4::Context->preference('ceilingDueDate') ) {
+           $datedue = C4::Dates->new( C4::Context->preference('ceilingDueDate') );
+       }
+
+       return $datedue;
+}
+
 =head2 CheckValidDatedue
+       This function does not account for holiday exceptions nor does it handle the 'useDaysMode' syspref .
+       To be replaced by CalcDateDue() once C4::Calendar use is tested.
 
 $newdatedue = CheckValidDatedue($date_due,$itemnumber,$branchcode);
-this function return a new date due after checked if it's a repeatable or special holiday
+this function validates the loan length against the holidays calendar, and adjusts the due date as per the 'useDaysMode' syspref.
 C<$date_due>   = returndate calculate with no day check
 C<$itemnumber>  = itemnumber
-C<$branchcode>  = localisation of issue 
+C<$branchcode>  = location of issue (affected by 'CircControl' syspref)
+C<$loanlength>  = loan length prior to adjustment
 =cut
-# Why not create calendar object?  - 
-# TODO add 'duedate' option to useDaysMode .
-sub CheckValidDatedue { 
+
+sub CheckValidDatedue {
 my ($date_due,$itemnumber,$branchcode)=@_;
 my @datedue=split('-',$date_due->output('iso'));
 my $years=$datedue[0];
@@ -1996,23 +2361,25 @@ my $day=$datedue[2];
 # die "Item# $itemnumber ($branchcode) due: " . ${date_due}->output() . "\n(Y,M,D) = ($years,$month,$day)":
 my $dow;
 for (my $i=0;$i<2;$i++){
-       $dow=Day_of_Week($years,$month,$day);
-       ($dow=0) if ($dow>6);
-       my $result=CheckRepeatableHolidays($itemnumber,$dow,$branchcode);
-       my $countspecial=CheckSpecialHolidays($years,$month,$day,$itemnumber,$branchcode);
-       my $countspecialrepeatable=CheckRepeatableSpecialHolidays($month,$day,$itemnumber,$branchcode);
-               if (($result ne '0') or ($countspecial ne '0') or ($countspecialrepeatable ne '0') ){
-               $i=0;
-               (($years,$month,$day) = Add_Delta_Days($years,$month,$day, 1))if ($i ne '1');
-               }
-       }
-       my $newdatedue=C4::Dates->new(sprintf("%04d-%02d-%02d",$years,$month,$day),'iso');
+    $dow=Day_of_Week($years,$month,$day);
+    ($dow=0) if ($dow>6);
+    my $result=CheckRepeatableHolidays($itemnumber,$dow,$branchcode);
+    my $countspecial=CheckSpecialHolidays($years,$month,$day,$itemnumber,$branchcode);
+    my $countspecialrepeatable=CheckRepeatableSpecialHolidays($month,$day,$itemnumber,$branchcode);
+        if (($result ne '0') or ($countspecial ne '0') or ($countspecialrepeatable ne '0') ){
+        $i=0;
+        (($years,$month,$day) = Add_Delta_Days($years,$month,$day, 1))if ($i ne '1');
+        }
+    }
+    my $newdatedue=C4::Dates->new(sprintf("%04d-%02d-%02d",$years,$month,$day),'iso');
 return $newdatedue;
 }
+
+
 =head2 CheckRepeatableHolidays
 
 $countrepeatable = CheckRepeatableHoliday($itemnumber,$week_day,$branchcode);
-this function check if the date due is a repeatable holiday
+this function checks if the date due is a repeatable holiday
 C<$date_due>   = returndate calculate with no day check
 C<$itemnumber>  = itemnumber
 C<$branchcode>  = localisation of issue 
@@ -2043,7 +2410,9 @@ C<$month>   = the month of datedue
 C<$day>     = the day of datedue
 C<$itemnumber>  = itemnumber
 C<$branchcode>  = localisation of issue 
+
 =cut
+
 sub CheckSpecialHolidays{
 my ($years,$month,$day,$itemnumber,$branchcode) = @_;
 my $dbh = C4::Context->dbh;
@@ -2069,7 +2438,9 @@ C<$month>   = the month of datedue
 C<$day>     = the day of datedue
 C<$itemnumber>  = itemnumber
 C<$branchcode>  = localisation of issue 
+
 =cut
+
 sub CheckRepeatableSpecialHolidays{
 my ($month,$day,$itemnumber,$branchcode) = @_;
 my $dbh = C4::Context->dbh;