Grep/Action/Fetch.pm

use strict;
use warnings;

=head1 NAME

Grep::Action::Fetch

=cut

package Grep::Action::Fetch;
use base qw/Grep::Action Jifty::Action/;

use XML::Feed;
use LWP::UserAgent;

use Data::Dump qw/dump/;

use Jifty::Param::Schema;
use Jifty::Action schema {

        param q =>
                type is 'text',
                label is 'Search for',
                hint is 'enter few words to search for';

        param feed =>
                label is 'From feed',
                render as 'select',
                available are defer {
                        my $feeds = Grep::Model::FeedCollection->new;
                        $feeds->order_by({ column => 'title', order => 'ASC' });
                        $feeds->unlimit;
                        warn "feeds ", $feeds->build_select_query;
                        [{
                                display_from => 'title',
                                value_from => 'id',
                                collection => $feeds,
                        }];
                };

        param item_fragment =>
                label is 'Show',
                render as 'select',
#               valid are qw/result result_short/,
#               available are qw/result result_short/;
                available are qw/long short title/;

        param publish =>
                label is 'In which queue?';

};

=head2 take_action

Returns C<Grep::Model::ItemCollection> of fatched items from Feed which will
also be stored in local cache.

=cut

sub take_action {
    my $self = shift;
    
    # Custom action code

        my $feed = Grep::Model::Feed->new();
        my $feed_id = $self->argument_value('feed');
        my $publish = $self->argument_value('publish');
        my $q = $self->argument_value('q');
        my $user_id = Jifty->web->current_user->id;

        if (! $feed_id) {
                $self->result->message("Need feed ID");
                return 0;
        }

        $feed->load_by_cols( id => $feed_id );

        if (! $feed->id) {
        $self->result->message("Can't fetch feed $feed_id");
                return 0;
        }

        my $message;
        my $uri = $feed->uri;
        if ($uri =~ m/%s/) {
                $uri = $feed->search_uri( $q );
                $message = 'Searching';
        } else {
                $message = 'Fetching';
        }
        $message .= ' ' . ( $publish ? "and publishing for $user_id" : '' ) . ' ' . $feed->title . " at $uri";

        Jifty->log->info( $message );

        my $items = Grep::Model::ItemCollection->new();

        my $ua = LWP::UserAgent->new;
        $ua->default_header( 'Cookie' => $feed->cookie );
        my $r = $ua->get( $uri );
        return $self->abort(
                $feed->title . " returned " . $r->status_line . " for $uri\n"
        ) unless ( $r->is_success );

        my $content = $r->content;

        return $self->abort( "No content returned from $uri" ) unless length( $content ) > 1;


        my $xml_feed = XML::Feed->parse( \$content )
                or return $self->abort( $feed->title, " returned ", XML::Feed->errstr, " for $uri" );

        warn "getting entries from ", $xml_feed->title, "\n";

        for my $entry ($xml_feed->entries) {
                my $i = Grep::Model::Item->new();

                $i->load_or_create(
                        in_feed => $feed,
                        title => $entry->title,
                        link => $entry->link,
                        content => $entry->content->body,
                        summary => $entry->summary->body,
                        category => $entry->category,
                        author => $entry->author,
                        issued => $entry->issued ? $entry->issued->strftime("%Y-%m-%d %H:%M:%S") : undef,
                        modified => $entry->modified ? $entry->modified->strftime("%Y-%m-%d %H:%M:%S") : undef,
                );

                if ( $i->id ) {
                        $items->add_record( $i );

                        Jifty->log->debug("added ", $i->id, " to collection");
                } else {
                        warn "can't add entry ", dump( $entry ) unless ( $i->id );
                }

        }

        if ( my $count = $items->count ) {

                my $message = "$count results for '$q' in " . $feed->title;

                $self->result->message( $message );

                if ( $publish ) {
                        Grep::Event::Result->new({
                                q => $q, coll => $items,
                                item_fragment => $self->argument_value('item_fragment'),
                                message => $message, class => 'message',
                                user_id => $user_id,
                        })->publish;
                        Jifty->log->debug( "$count published for user $user_id for '$q'" );
                } else {
                        $self->result->content( items => $items );
                        Jifty->log->debug( "$count found for user $user_id for '$q'" );
                }
                $self->result->content( count => $items->count );

        } else {
                return $self->abort( "No results for '$q' in " . $feed->title );
        }

        return $items;
}

=head2 abort

Abort action with error message which support publish or normal messages

=cut

sub abort {
        my $self = shift;

        my $message = join(" ", @_);

        my $publish = $self->argument_value('publish');
        my $q = $self->argument_value('q');
        my $user_id = Jifty->web->current_user->id;

        Jifty->log->debug("ABORT: $message", $publish ? " for $user_id" : '');

        if ( $publish ) {
                Grep::Event::Result->new({
                        q => $q, coll => Grep::Model::ItemCollection->new(),
                        message => $message, class => 'error',
                        user_id => $user_id,
                })->publish;
                return;
        } else {
                $self->result->error( $message );
                return;
        }
}

1;

1	dpavlin	3	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	dpavlin	21	use LWP::UserAgent;
15	dpavlin	3
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	dpavlin	7	render as 'select',
29	dpavlin	3	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	dpavlin	25	param item_fragment =>
42			label is 'Show',
43			render as 'select',
44	dpavlin	28	# valid are qw/result result_short/,
45			# available are qw/result result_short/;
46			available are qw/long short title/;
47	dpavlin	25
48	dpavlin	29	param publish =>
49			label is 'In which queue?';
50
51	dpavlin	3	};
52
53			=head2 take_action
54
55	dpavlin	29	Returns C<Grep::Model::ItemCollection> of fatched items from Feed which will
56			also be stored in local cache.
57
58	dpavlin	3	=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	dpavlin	29	my $publish = $self->argument_value('publish');
68			my $q = $self->argument_value('q');
69	dpavlin	43	my $user_id = Jifty->web->current_user->id;
70	dpavlin	3
71			if (! $feed_id) {
72			$self->result->message("Need feed ID");
73			return 0;
74			}
75
76			$feed->load_by_cols( id => $feed_id );
77
78			if (! $feed->id) {
79			$self->result->message("Can't fetch feed $feed_id");
80			return 0;
81			}
82
83	dpavlin	43	my $message;
84	dpavlin	7	my $uri = $feed->uri;
85			if ($uri =~ m/%s/) {
86	dpavlin	29	$uri = $feed->search_uri( $q );
87	dpavlin	43	$message = 'Searching';
88	dpavlin	7	} else {
89	dpavlin	43	$message = 'Fetching';
90	dpavlin	7	}
91	dpavlin	43	$message .= ' ' . ( $publish ? "and publishing for $user_id" : '' ) . ' ' . $feed->title . " at $uri";
92	dpavlin	3
93	dpavlin	43	Jifty->log->info( $message );
94
95	dpavlin	31	my $items = Grep::Model::ItemCollection->new();
96
97	dpavlin	21	my $ua = LWP::UserAgent->new;
98			$ua->default_header( 'Cookie' => $feed->cookie );
99			my $r = $ua->get( $uri );
100	dpavlin	43	return $self->abort(
101	dpavlin	31	$feed->title . " returned " . $r->status_line . " for $uri\n"
102			) unless ( $r->is_success );
103	dpavlin	21
104			my $content = $r->content;
105
106	dpavlin	43	return $self->abort( "No content returned from $uri" ) unless length( $content ) > 1;
107	dpavlin	21
108	dpavlin	31
109	dpavlin	21	my $xml_feed = XML::Feed->parse( \$content )
110	dpavlin	43	or return $self->abort( $feed->title, " returned ", XML::Feed->errstr, " for $uri" );
111	dpavlin	3
112	dpavlin	21	warn "getting entries from ", $xml_feed->title, "\n";
113	dpavlin	7
114	dpavlin	3	for my $entry ($xml_feed->entries) {
115			my $i = Grep::Model::Item->new();
116
117			$i->load_or_create(
118			in_feed => $feed,
119			title => $entry->title,
120			link => $entry->link,
121	dpavlin	5	content => $entry->content->body,
122			summary => $entry->summary->body,
123	dpavlin	3	category => $entry->category,
124			author => $entry->author,
125	dpavlin	29	issued => $entry->issued ? $entry->issued->strftime("%Y-%m-%d %H:%M:%S") : undef,
126			modified => $entry->modified ? $entry->modified->strftime("%Y-%m-%d %H:%M:%S") : undef,
127	dpavlin	3	);
128	dpavlin	5
129	dpavlin	25	if ( $i->id ) {
130	dpavlin	29	$items->add_record( $i );
131	dpavlin	7
132	dpavlin	29	Jifty->log->debug("added ", $i->id, " to collection");
133	dpavlin	25	} else {
134	dpavlin	29	warn "can't add entry ", dump( $entry ) unless ( $i->id );
135	dpavlin	25	}
136	dpavlin	9
137	dpavlin	3	}
138
139	dpavlin	33	if ( my $count = $items->count ) {
140	dpavlin	7
141	dpavlin	33	my $message = "$count results for '$q' in " . $feed->title;
142	dpavlin	7
143	dpavlin	31	$self->result->message( $message );
144
145	dpavlin	29	if ( $publish ) {
146	dpavlin	30	Grep::Event::Result->new({
147			q => $q, coll => $items,
148			item_fragment => $self->argument_value('item_fragment'),
149	dpavlin	33	message => $message, class => 'message',
150	dpavlin	43	user_id => $user_id,
151	dpavlin	30	})->publish;
152	dpavlin	43	Jifty->log->debug( "$count published for user $user_id for '$q'" );
153	dpavlin	29	} else {
154			$self->result->content( items => $items );
155	dpavlin	43	Jifty->log->debug( "$count found for user $user_id for '$q'" );
156	dpavlin	29	}
157	dpavlin	42	$self->result->content( count => $items->count );
158	dpavlin	7
159			} else {
160	dpavlin	43	return $self->abort( "No results for '$q' in " . $feed->title );
161	dpavlin	7	}
162	dpavlin	29
163			return $items;
164	dpavlin	3	}
165
166	dpavlin	43	=head2 abort
167
168			Abort action with error message which support publish or normal messages
169
170			=cut
171
172			sub abort {
173			my $self = shift;
174
175			my $message = join(" ", @_);
176
177			my $publish = $self->argument_value('publish');
178			my $q = $self->argument_value('q');
179			my $user_id = Jifty->web->current_user->id;
180
181			Jifty->log->debug("ABORT: $message", $publish ? " for $user_id" : '');
182
183			if ( $publish ) {
184			Grep::Event::Result->new({
185			q => $q, coll => Grep::Model::ItemCollection->new(),
186			message => $message, class => 'error',
187			user_id => $user_id,
188			})->publish;
189			return;
190			} else {
191			$self->result->error( $message );
192			return;
193			}
194			}
195
196	dpavlin	3	1;
197