/[Grep]/lib/Grep/Action/Fetch.pm
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revision 8 by dpavlin, Sat Feb 17 21:24:48 2007 UTC revision 31 by dpavlin, Mon Feb 19 20:40:55 2007 UTC
# Line 11  package Grep::Action::Fetch; Line 11  package Grep::Action::Fetch;
11  use base qw/Grep::Action Jifty::Action/;  use base qw/Grep::Action Jifty::Action/;
12    
13  use XML::Feed;  use XML::Feed;
14    use LWP::UserAgent;
15    
16  use Data::Dump qw/dump/;  use Data::Dump qw/dump/;
17    
# Line 37  use Jifty::Action schema { Line 38  use Jifty::Action schema {
38                          }];                          }];
39                  };                  };
40    
41            param item_fragment =>
42                    label is 'Show',
43                    render as 'select',
44    #               valid are qw/result result_short/,
45    #               available are qw/result result_short/;
46                    available are qw/long short title/;
47    
48            param publish =>
49                    label is 'In which queue?';
50    
51  };  };
52    
53  =head2 take_action  =head2 take_action
54    
55    Returns C<Grep::Model::ItemCollection> of fatched items from Feed which will
56    also be stored in local cache.
57    
58  =cut  =cut
59    
60  sub take_action {  sub take_action {
# Line 50  sub take_action { Line 64  sub take_action {
64    
65          my $feed = Grep::Model::Feed->new();          my $feed = Grep::Model::Feed->new();
66          my $feed_id = $self->argument_value('feed');          my $feed_id = $self->argument_value('feed');
67            my $publish = $self->argument_value('publish');
68            my $q = $self->argument_value('q');
69    
70          if (! $feed_id) {          if (! $feed_id) {
71                  $self->result->message("Need feed ID");                  $self->result->message("Need feed ID");
# Line 65  sub take_action { Line 81  sub take_action {
81    
82          my $uri = $feed->uri;          my $uri = $feed->uri;
83          if ($uri =~ m/%s/) {          if ($uri =~ m/%s/) {
84                  $uri = sprintf( $uri, $self->argument_value('q') );                  $uri = $feed->search_uri( $q );
85                  Jifty->log->info("Searching ", $feed->title, " at $uri");                  Jifty->log->info("Searching ", $feed->title, " at $uri");
86          } else {          } else {
87                  Jifty->log->info("Fetching ", $feed->title, " at $uri");                  Jifty->log->info("Fetching ", $feed->title, " at $uri");
88          }          }
89    
90          my $xml_feed = XML::Feed->parse( URI->new($uri) )          my $items = Grep::Model::ItemCollection->new();
91                  or die XML::Feed->errstr;  
92            sub abort {
93                    my $message = join(" ", @_);
94                    if ( $publish ) {
95                            Grep::Event::Result->new({
96                                    q => $q, coll => $items,
97                                    message => $message, class => 'error',
98                            })->publish;
99                            return 0;
100                    } else {
101                            $self->result->error( $message );
102                            return 0;
103                    }
104            }
105            my $ua = LWP::UserAgent->new;
106            $ua->default_header( 'Cookie' => $feed->cookie );
107            my $r = $ua->get( $uri );
108            return abort(
109                    $feed->title . " returned " . $r->status_line . " for $uri\n"
110            ) unless ( $r->is_success );
111    
112            my $content = $r->content;
113    
114            return abort( "No content returned from $uri" ) unless length( $content ) > 1;
115    
         warn "fetching ", $xml_feed->title, "\n";  
116    
117          my @results;          my $xml_feed = XML::Feed->parse( \$content )
118                    or return abort( $feed->title, " returned ", XML::Feed->errstr, " for $uri" );
119    
120            warn "getting entries from ", $xml_feed->title, "\n";
121    
122          for my $entry ($xml_feed->entries) {          for my $entry ($xml_feed->entries) {
123                  my $i = Grep::Model::Item->new();                  my $i = Grep::Model::Item->new();
# Line 89  sub take_action { Line 130  sub take_action {
130                          summary => $entry->summary->body,                          summary => $entry->summary->body,
131                          category => $entry->category,                          category => $entry->category,
132                          author => $entry->author,                          author => $entry->author,
133                          issued => $entry->issued ? $entry->issued->strftime("%Y-%m-%d %H:%M:%S %z") : undef,                          issued => $entry->issued ? $entry->issued->strftime("%Y-%m-%d %H:%M:%S") : undef,
134                          modified => $entry->modified ? $entry->modified->strftime("%Y-%m-%d %H:%M:%S %z") : undef,                          modified => $entry->modified ? $entry->modified->strftime("%Y-%m-%d %H:%M:%S") : undef,
135                  );                  );
136    
137                  die "can't create item from entry ", dump( $entry ) unless ( $i->id );                  if ( $i->id ) {
138                            $items->add_record( $i );
139    
140                  push @results, $i->id;                          Jifty->log->debug("added ", $i->id, " to collection");
141                    } else {
142                            warn "can't add entry ", dump( $entry ) unless ( $i->id );
143                    }
144    
                 Jifty->log->debug("item ", $i->id, " = ",dump( $entry ) );  
145          }          }
146    
147          if ( @results ) {          if ( $items ) {
   
                 $self->result->message( $self->argument_value('q') . ' => ' .  
                         $xml_feed->entries . ' items: ' . join(",", @results)  
                 );  
   
                 $self->result->content( results => \@results );  
                 return 1;  
148    
149          } else {                  my $message = $q . ' => ' . $xml_feed->entries . ' results';
150    
151                  $self->result->message( 'No results found' );                  $self->result->message( $message );
152    
153                  # with default sticky_on_failure, this will keep form data                  if ( $publish ) {
154                  $self->result->failure( 1 );                          Grep::Event::Result->new({
155                                    q => $q, coll => $items,
156                                    item_fragment => $self->argument_value('item_fragment'),
157                                    message => $message, class => 'messages',
158                            })->publish;
159                            Jifty->log->debug( $items->count, " for '$q' published" );
160                    } else {
161                            $self->result->content( items => $items );
162                            Jifty->log->debug( $items->count, " for '$q' found" );
163                    }
164    
165                  return 0;          } else {
166                    return abort( 'No results found' );
167          }          }
168    
169            return $items;
170  }  }
171    
172  1;  1;
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