git.rot13.org Git - angular-drzb/blob - angular-server.pl

   1 #!/usr/bin/env perl
   2
   3 use Mojolicious::Lite;
   4 use Data::Dump qw(dump);
   5 use Time::HiRes;
   6 use Clone qw(clone);
   7 use Mojo::UserAgent;
   8
   9 our $VERSION = `git describe`;
  10 chomp $VERSION;
  11
  12 sub new_uuid { Time::HiRes::time * 100000 }
  13
  14 #push @{app->static->paths}, 'app'; # default angular-seed app directory
  15
  16
  17 my $couchdb = $ENV{COUCHDB} || 'http://localhost:5984';
  18 my $couchdb_database = 'drzb2013v2';
  19 my $couchdb_view = "http://10.60.0.92:5984/_utils/document.html?$couchdb_database";
  20 my $client = Mojo::UserAgent->new;
  21
  22 sub _couchdb_put {
  23         my ( $url, $data ) = @_;
  24
  25         $data->{'$entity'} = $1 if $url =~ m{/(\w+)\.\d+/$/};
  26
  27         my $json = Mojo::JSON->new->encode( $data );
  28
  29         my $rev;
  30
  31         warn "# _couchdb_put $url = $json";
  32         return $client->put( "$couchdb/$url" => $json)->res->json;
  33 }
  34
  35 sub _couchdb_get {
  36         my ( $url ) = @_;
  37         my $return = $client->get( "$couchdb/$url" )->res->json;
  38 #       warn "# _couchdb_get $url = ",dump($return);
  39         return $return;
  40 }
  41
  42
  43 our $id2nr;
  44
  45
  46 sub _render_jsonp {
  47         my ( $self, $json ) = @_;
  48 #warn "## _render_json ",dump($json);
  49         my $data = $self->render( json => $json, partial => 1 );
  50 #warn "## _render_json $data";
  51         if ( my $callback = $self->param('callback') ) {
  52                 $data = "$callback($data)";
  53         }
  54         $self->render( data => $data, format => 'js' );
  55 }
  56
  57 get '/' => sub {
  58         my $self = shift;
  59         $self->render_text("...");
  60 };
  61
  62 # define languages
  63
  64 helper locale => sub {
  65         my $self = shift;
  66         my %locale = @_;
  67         my $lang = $self->stash('lang');
  68         $lang =~ s/-dev$//;
  69         return $locale{ $lang } || "MISSING $lang $_[1]";
  70 };
  71
  72 helper ip => sub {
  73         my $self = shift;
  74         return
  75                 $self->req->headers->header('X-Forwarded-For')
  76                 || $self->req->headers->header('X-Real-IP')
  77                 || $self->tx->{remote_address}
  78         ;
  79 };
  80
  81
  82 get '/js/services.js' => sub {
  83         my $self = shift;
  84         $self->stash( VERSION => $VERSION );
  85         $self->stash( couchdb_database => $couchdb_database );
  86         $self->render( 'js/services', format => 'js' );
  87 };
  88
  89 # short public URLs
  90 get '/hr' => sub { shift->redirect_to('/lang/hr/drzb2013') };
  91 get '/en' => sub { shift->redirect_to('/lang/en/drzb2013') };
  92
  93 get '/lang/:lang/:template' => sub {
  94         my $self = shift;
  95         $self->render( $self->stash('template') , lang => $self->stash('lang') );
  96 };
  97
  98 get '/lang/:lang/partials/:template' => sub {
  99         my $self = shift;
 100         $self->stash( couchdb_view => $couchdb_view );
 101         $self->render( 'partials/' . $self->stash('template') , lang => $self->stash('lang') );
 102 };
 103
 104 get '/lang/:lang/.template' => sub {
 105         my $self = shift;
 106         $self->render( $self->stash('template') , lang => $self->stash('lang') );
 107 };
 108
 109
 110 get '/data/' => sub {
 111         my $self = shift;
 112         _render_jsonp( $self, _couchdb_get('/_all_dbs') );
 113 };
 114
 115 get '/data/:database' => sub {
 116         my $self = shift;
 117         my $database = $self->param('database');
 118
 119         my $list_databases = { name => $database };
 120
 121         my $counts = _couchdb_get("/$database/_design/entity/_view/counts?group=true");
 122         if ( exists $counts->{error} ) {
 123                 warn "creating CouchDB view because of ", dump($counts);
 124                 _couchdb_put "/$database/_design/entity", {
 125                         _id => '_design/entity',
 126                         language => 'javascript',
 127                         views => {
 128                                 counts => {
 129                                         map    => q| function(doc) { emit(doc._id.split('.')[0],1); } |,
 130                                         reduce => q| function(keys,values,rereduce) { return sum(values); } |,
 131                                 }
 132                         }
 133                 };
 134                 $counts = _couchdb_get("/$database/_design/entity/_view/counts?group=true")
 135                 || die "give up!";
 136         }
 137
 138         warn "# counts ",dump($counts);
 139
 140         foreach my $row ( @{ $counts->{rows} } ) {
 141                 my $n = $row->{value};
 142                 $list_databases->{entities}->{ $row->{key} } = $n;
 143                 $list_databases->{document_counts} += $n;
 144         }
 145         warn dump($list_databases);
 146         _render_jsonp( $self,  $list_databases );
 147 };
 148
 149 get '/data/:database/:entity' => sub {
 150         my $self = shift;
 151
 152         my $database = $self->param('database');
 153         my $entity   = $self->param('entity');
 154
 155         my $endkey = $entity;
 156         $endkey++;
 157
 158         my $counts = _couchdb_get qq|/$database/_all_docs?startkey="$entity";endkey="$endkey";include_docs=true|;
 159 #       warn "# counts ",dump($counts);
 160
 161         _render_jsonp( $self, [ map { $_->{doc} } @{ $counts->{rows} } ] )
 162 };
 163
 164 get '/data/:database/:entity/:id' => sub {
 165     my $self = shift;
 166
 167         my $database = $self->param('database');
 168         my $entity   = $self->param('entity');
 169         my $id       = $self->param('id');
 170
 171         _render_jsonp( $self, _couchdb_get( "/$database/$entity.$id" ) );
 172 };
 173
 174 any [ 'post' ] => '/data/:database/:entity' => sub {
 175         my $self = shift;
 176         my $database = $self->param('database');
 177         my $entity   = $self->param('entity');
 178         my $json = $self->req->json;
 179         my $id;
 180         if ( exists $json->{'id'} ) { # @id in resource
 181                 $id = $json->{'id'};
 182                 warn "EXISTING $id\n";
 183         } else {
 184                 $id = $json->{'id'} = new_uuid;
 185                 $json->{entity} = $entity;
 186                 warn "NEW $id\n";
 187         }
 188
 189         $json->{x_audit} = {
 190                 t  => Time::HiRes::time,
 191                 ip => $self->ip(),
 192         };
 193
 194         warn "## $database $entity $id body ",dump($self->req->body, $json);
 195
 196         my $new = _couchdb_put "/$database/$entity.$id" => $json;
 197         warn "new: ",dump($new);
 198         if ( $new->{ok} ) {
 199                 $json->{'_'.$_} = $new->{$_} foreach ( 'rev','id' );
 200         } else {
 201                 warn "ERROR: ",dump($new);
 202                 $json->{error} = $new;
 203         }
 204
 205         _render_jsonp( $self,  $json );
 206 };
 207
 208
 209 #get '/' => sub { shift->redirect_to('/app/') };
 210
 211 # CouchDB proxy for _design _view
 212
 213 our $view_cache;
 214
 215 get '/:database/_design/:design/_view/:view' => sub {
 216         my $self = shift;
 217         my $format = $self->param('format');
 218         my $url = join('/', $self->param('database'),'_design',$self->param('design'),'_view',$self->param('view') );
 219         if ( my $param = $self->req->url->query->clone->remove('callback')->remove('format')->to_string ) {
 220                 $url .= '?' . $param
 221         }
 222
 223         if ( exists $view_cache->{$url}->{time} ) {
 224                 if ( time() - $view_cache->{$url}->{time} < 60 ) {
 225                         warn "HIT CouchDB cache $url";
 226                         $view_cache->{$url}->{hit}++;
 227                         return _render_jsonp( $self, $view_cache->{$url}->{json} );
 228                 } else {
 229                         warn "REFRESH CouchDB cache $url";
 230                         $view_cache->{$url}->{refresh}++;
 231                 }
 232         } else {
 233                 $view_cache->{$url}->{miss}++;
 234         }
 235         warn "CouchDB proxy $url";
 236         my $json = _couchdb_get($url);
 237
 238         if ( exists $json->{error} ) {
 239                 warn "creating CouchDB view because of ", dump($json);
 240                 my $url = "/" . $self->param('database') . "/_design/registration";
 241                 _couchdb_put $url, {
 242                         _id => '_design/registration',
 243                         language => 'javascript',
 244                         views => {
 245                                 organizations => {
 246                                         map    => q| function(doc) {
 247 if ( doc.user.organization != '' ) {
 248   if ( doc.user.organization )
 249     emit(doc.user.organization, 1);
 250   if ( doc.user.persons ) {
 251     doc.user.persons.forEach( function(person) {
 252       if ( person.organization )
 253         emit(person.organization, 1);
 254     });
 255   }
 256 }
 257                                         }q|,
 258                                         reduce => q| function(keys,values,rereduce) { return sum(values); } |,
 259                                 }
 260                         }
 261                 };
 262                 $json = _couchdb_get($url)
 263                 || die "give up!";
 264         }
 265
 266         if ( $format eq 'key_array' ) { # array of keys sorted by value
 267                 $json->{rows} = [ map { $_->{key} } sort { $b->{value} <=> $a->{value} } @{ $json->{rows} } ];
 268         }
 269
 270         $view_cache->{$url}->{time} = time();
 271         $view_cache->{$url}->{json} = $json;
 272
 273         warn "# view_cache ",dump($view_cache);
 274
 275         _render_jsonp( $self, $json );
 276 };
 277
 278 # http://showmetheco.de/articles/2010/10/adding-etag-caching-to-your-mojolicious-app.html
 279
 280 hook after_dispatch => sub {
 281         my $self = shift;
 282
 283         return unless $self->req->method eq 'GET';
 284
 285         my $body = $self->res->body;
 286         return unless defined $body;
 287
 288         return if $self->res->headers->header('ETag');
 289
 290         my $our_etag = Mojo::ByteStream->new($body . $VERSION)->md5_sum;
 291         $self->res->headers->header('ETag' => $our_etag);
 292
 293         my $browser_etag = $self->req->headers->header('If-None-Match');
 294         return unless $browser_etag && $browser_etag eq $our_etag;
 295
 296         $self->app->log->debug("HTTP cache hit " . $self->req->url->to_string . " $our_etag" );
 297
 298         $self->res->code(304);
 299         $self->res->body('');
 300 };
 301
 302
 303 app->start;
 304