/[Grep]/lib/Grep/Action/Fetch.pm
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Revision 30 - (show annotations)
Mon Feb 19 20:07:48 2007 UTC (17 years, 2 months ago) by dpavlin
File size: 3468 byte(s)
transfer item_fragment correctly to results, report number of new results or error
(needs source feed info), removed some debugging code
1 use strict;
2 use warnings;
3
4 =head1 NAME
5
6 Grep::Action::Fetch
7
8 =cut
9
10 package Grep::Action::Fetch;
11 use base qw/Grep::Action Jifty::Action/;
12
13 use XML::Feed;
14 use LWP::UserAgent;
15
16 use Data::Dump qw/dump/;
17
18 use Jifty::Param::Schema;
19 use Jifty::Action schema {
20
21 param q =>
22 type is 'text',
23 label is 'Search for',
24 hint is 'enter few words to search for';
25
26 param feed =>
27 label is 'From feed',
28 render as 'select',
29 available are defer {
30 my $feeds = Grep::Model::FeedCollection->new;
31 $feeds->order_by({ column => 'title', order => 'ASC' });
32 $feeds->unlimit;
33 warn "feeds ", $feeds->build_select_query;
34 [{
35 display_from => 'title',
36 value_from => 'id',
37 collection => $feeds,
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
54
55 Returns C<Grep::Model::ItemCollection> of fatched items from Feed which will
56 also be stored in local cache.
57
58 =cut
59
60 sub take_action {
61 my $self = shift;
62
63 # Custom action code
64
65 my $feed = Grep::Model::Feed->new();
66 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) {
71 $self->result->message("Need feed ID");
72 return 0;
73 }
74
75 $feed->load_by_cols( id => $feed_id );
76
77 if (! $feed->id) {
78 $self->result->message("Can't fetch feed $feed_id");
79 return 0;
80 }
81
82 my $uri = $feed->uri;
83 if ($uri =~ m/%s/) {
84 $uri = $feed->search_uri( $q );
85 Jifty->log->info("Searching ", $feed->title, " at $uri");
86 } else {
87 Jifty->log->info("Fetching ", $feed->title, " at $uri");
88 }
89
90 my $ua = LWP::UserAgent->new;
91 $ua->default_header( 'Cookie' => $feed->cookie );
92 my $r = $ua->get( $uri );
93 die $feed->title . " returned " . $r->status_line . " for $uri\n" unless ( $r->is_success );
94
95 my $content = $r->content;
96
97 die "No content returned from $uri" unless length( $content ) > 1;
98
99 my $xml_feed = XML::Feed->parse( \$content )
100 or die $feed->title, " returned ", XML::Feed->errstr, " for $uri\n";
101
102 warn "getting entries from ", $xml_feed->title, "\n";
103
104 my $items = Grep::Model::ItemCollection->new();
105
106 for my $entry ($xml_feed->entries) {
107 my $i = Grep::Model::Item->new();
108
109 $i->load_or_create(
110 in_feed => $feed,
111 title => $entry->title,
112 link => $entry->link,
113 content => $entry->content->body,
114 summary => $entry->summary->body,
115 category => $entry->category,
116 author => $entry->author,
117 issued => $entry->issued ? $entry->issued->strftime("%Y-%m-%d %H:%M:%S") : undef,
118 modified => $entry->modified ? $entry->modified->strftime("%Y-%m-%d %H:%M:%S") : undef,
119 );
120
121 if ( $i->id ) {
122 $items->add_record( $i );
123
124 Jifty->log->debug("added ", $i->id, " to collection");
125 } else {
126 warn "can't add entry ", dump( $entry ) unless ( $i->id );
127 }
128
129 }
130
131 if ( $items ) {
132
133 $self->result->message( $q . ' => ' . $xml_feed->entries . ' results' );
134
135 if ( $publish ) {
136 Grep::Event::Result->new({
137 q => $q, coll => $items,
138 item_fragment => $self->argument_value('item_fragment'),
139 })->publish;
140 Jifty->log->debug( $items->count, " for '$q' published" );
141 } else {
142 $self->result->content( items => $items );
143 Jifty->log->debug( $items->count, " for '$q' found" );
144 }
145
146 } else {
147
148 $self->result->error( 'No results found' );
149
150 }
151
152 return $items;
153 }
154
155 1;
156

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