From: Dobrica Pavlinusic <dpavlin@rot13.org>
Date: Fri, 14 Oct 2011 18:45:05 +0000 (+0200)
Subject: working CouchDB view server in perl
X-Git-Url: http://git.rot13.org/?p=angular-mojolicious.git;a=commitdiff_plain;h=73263cc2aa4d6bded8e8898861a071b211171594

working CouchDB view server in perl
---

diff --git a/couchdb-view-server.pl b/couchdb-view-server.pl
index dd1a47a..c210a0a 100755
--- a/couchdb-view-server.pl
+++ b/couchdb-view-server.pl
@@ -8,6 +8,10 @@ use strict;
 #
 # [query_servers]
 # perl = /usr/bin/perl /srv/angular-mojolicious/couchdb-view-server.pl
+#
+# example view:
+#
+# sub { [ undef, shift ] }
 
 use JSON::XS;
 use IO::Handle;
@@ -19,15 +23,18 @@ my $in  = IO::Handle->new_from_fd(\*STDIN, 'r');
 my $out = IO::Handle->new_from_fd(\*STDOUT, 'w');
 $out->autoflush(1);
 
+open(my $l_fh, '>', "/tmp/couchdb-perl-view.log");
+
 sub _log {
-	$out->print(qq|["log", "@_"]\n|);
-	warn "# log @_\n";
+	$out->print($j->encode([ 'log' => @_ ]), "\n");
+	print $l_fh "@_\n";
 }
 
 our $fun;
 
 while(defined(my $line = $in->getline)) {
 	chomp $line;
+	_log $line if $ENV{DEBUG};
 	my $input = $j->decode($line);
 	my ($cmd, @args) = @$input;
 
@@ -35,7 +42,7 @@ while(defined(my $line = $in->getline)) {
 		undef $fun;
 		$out->print("true\n");
 	} elsif ( $cmd eq 'add_fun' ) {
-		$fun = eval @args;
+		$fun = eval $args[0];
 		if ( $@ ) {
 			$out->print( qq|{"error": "$!", "reason": "$@"}\n| );
 		} else {
@@ -43,16 +50,16 @@ while(defined(my $line = $in->getline)) {
 		}
 	} elsif ( $cmd eq 'map_doc' ) {
 		my @results;
-		our @d;
-		local @d;
-		eval { $fun->(@args) };
+		our $d;
+		local $d;
+		$d = eval { $fun->(@args) };
 		if ( $@ ) {
 			_log $@;
 		} else {
-			push @results, [@d];
+			push @results, [$d];
 		}
 		$out->print($j->utf8->encode( \@results ), "\n");
 	} else {
-		die "$cmd unimplemented", dump( $input );
+		_log "$cmd unimplemented", dump( $input );
 	}
 }
diff --git a/t/couchdb-view-server.json b/t/couchdb-view-server.json
new file mode 100644
index 0000000..b6bf218
--- /dev/null
+++ b/t/couchdb-view-server.json
@@ -0,0 +1,3 @@
+["reset",{"reduce_limit":true,"timeout":5000}]
+["add_fun","sub {\n [ shift->{_id}, 1 ];\n}"]
+["map_doc",{"_id":"cb71ad755be66b467ae5e51e4100e027","_rev":"3-11fd6bead394b463531889babc686ac4","trigger":{"active":["t61p:11026","1317673926.10924","1317673926.15453","0"],"output":"","command":"notify-send \"CouchDB trigger notify example\""}}]