Frey/View/NoPager.pm

package Frey::View::NoPager;
use Moose;

extends 'Frey';
with 'Frey::Web', 'Frey::Config', 'Frey::jQuery';

use Search::Estraier;
use JSON::Syck;
use Data::Dump qw/dump/;

has search => (
        documentation => 'Search for',
        is => 'rw',
        isa => 'Str',
#       required => 1,
        default => '',
);

has 'page' => (
        documentation => 'display page',
        is => 'rw',
        isa => 'Int',
        default => 1,
);

has 'on_page' => (
        documentation => 'number of items on page',
        is => 'rw',
        isa => 'Int',
        default => 20,
);

has 'sort' => (
        is => 'rw',
        isa => 'Str',
        default => '',
);

sub results_as_markup {
        my ($self) = @_;

        my ( $search,$page ) = ( $self->search , $self->page );

        my $v = {
                search => $search,
                page => $page,
                max_page => 0,
                id => time() . rand(99),
        };

        sub next_page {
                my $self = shift;
                my $v = shift;
                my $json = $self->html_escape( JSON::Syck::Dump( $v ) );

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

                my $next_page = $v->{page} + 1;

                return qq|
                        <div id="next_page_$next_page">
                                $message
                                <textarea id="json" style="display:none">$json</textarea>
                        </div>
                |
                ;
        }

        if (! $search || $search =~ m/^\s*$/) {
                $v->{status} = 'Enter search query';
                return $self->next_page( $v );
        }

        $search = join(" AND ", split(/\s+/, $search)) unless ($search =~ m/(?:AND|OR|\[|\])/);
        $v->{search} = $search;

        my $node = new Search::Estraier::Node(%{ $self->config->{estraier} });

        my $on_page = $self->on_page;
        my $skip = ( $page - 1 ) * $on_page;

        my $cond = new Search::Estraier::Condition;
        $cond->set_phrase( $search );
        $cond->set_max( $on_page );
        $cond->set_skip( $skip );
        $cond->set_order( $self->sort ) if $self->sort;

        warn "INFO: estraier for '$search' page $page with $on_page items, first $skip";

        my $nres = $node->search($cond, ( $self->config->{estraier}->{depth} || 0 ) );

        my $out = qq|<!-- page $page -->|;

        if (defined($nres)) {

                $v->{hits} = $nres->hits;
                $v->{time} = $nres->hint('TIME');

                if ($v->{hits} == 0) {
                        $v->{status} = qq{<strong>No results for your search.</strong>};
                        return $self->next_page( $v, qq|<strong>No results found.</strong>| );
                } elsif ($nres->doc_num == 0) {
                        $v->{status} = qq{<strong>Error getting results for page $page.</strong>};
                        return $self->next_page( $v );
                }

                $v->{max_page} = int( ($nres->hits + $on_page - 1) / $on_page );

                $v->{status} = qq{
                        Got <b>$v->{hits}</b> results for <tt>$v->{search}</tt>
                        in <em>$v->{time} s</em>
                };

                sub html_snippet {
                        my $text = shift || return;
                        my $out = '';
                        foreach my $s (split(/[\n\r]{2}/, $text)) {
                                $out .= ' ... ' if ($out);
                                my ($pre,$hit,$post) = split(/\n/,$s,3);
                                $hit =~ s/\t.*$//;
                                $out
                                 .= $self->html_escape( $pre )
                                 . '<b>'
                                 . $self->html_escape( $hit )
                                 . '</b>'
                                 . $self->html_escape( $post )
                                 ;
                        }
                        return $out;
                }

                sub attr_regex {
                        my ($rdoc,$attr) = @_;
                        my $text = $rdoc->attr( $attr );
                        return unless defined($text);

                        if (my $r = $self->config->{estraier}->{attr_regex}->{$attr} ) {
                                my $do = '$text =~ ' . $r . ';';
                                eval $do;
                                if ($@) {
                                        warn "eval $do failed: $@\n";
                                }
                        }
                        return $text;
                }

                my $result = q|
                        <div class="result">
                        <span class="nr"><% $nr %></span>
                        <h1 title="<% $nr %>"><% attr_regex( $rdoc, '@title' ) %></h1>
                        <p>
                        <% html_snippet( $rdoc->snippet ) %>
                        </p>
                        <strong><% attr_regex( $rdoc, 'source' ) %></strong>
                        <em>
                        <% attr_regex( $rdoc, '@size' ) %> bytes
                        </em>
                        <% attr_regex( $rdoc, '@mdate' ) %>
                        <br/><a href="<% $uri %>"><tt><% $uri %></tt></a>
                        </div>
                |;

                my @result = split(/\n/, $result);
                warn "# result template has ", $#result + 1, " lines";

                # for each document in results
                for my $i ( 0 ... $nres->doc_num - 1 ) {

                        my $rdoc = $nres->get_doc($i);
                        my $uri = attr_regex( $rdoc, '@uri' );
                        my $nr = $skip + $i + 1;

                        map {
                                my $l = $_;
                                $l =~ s/<%(.+?)%>/eval "$1"/ge;
                                $out .= $l;
                        } @result;

                }

        } else {
                $out .= 'error: ' . $node->status;
        }

        if ($v->{page} == $v->{max_page}) {
                $out .= $self->next_page( $v, qq|<br/><strong>All results shown</strong>|);
        } else {
                $out .= $self->next_page( $v, qq|
                        <br/><strong>Loading results...</strong>
                        <br/>If you are using the scroll bar, release the mouse to see more results.
                |);
        }

        warn "# v = ", dump( $v );

        return ( $out, $v->{status} ) if wantarray;

        $self->wrap_in_page( 0 ); # disable <body> and status bar for ajax call
        return $out;

}

sub as_markup {
        my ($self) = @_;

        $self->add_css('static/Frey/View/NoPager.css');
        $self->add_js ('static/Frey/View/NoPager.js');

        $self->add_js(q|
                $(document).ready( function() {
                        $.log.info('hook onchange to #search_form' );
                        $('#search_form').change( function() {
                                //logDebug('submit #search_form');
                                this.submit();
                        });
                });
        |);

        my ( $results, $status ) = $self->results_as_markup;

        $self->add_css(q|
                #results {
                        margin-top: 3em;
                        margin-bottom: 3em;
                }
        |);

        my $html = join("\n",
        qq|
                <div id="search_form_div">
                        <form id="search_form" method="get">
                
                                <input autocomplete="off" name="search" type="input" value="|, $self->search, qq|">
                                |, $self->sort, qq|
                                <input type="submit" class="submit" value="search">

                                <span id="status" class="note">
                                        $status
                                </span>

                        </form>
                </div>

                <div id="results">
                <!-- Dynamic Content -->
                        $results
                </div>

        |
        );

        return $html;
}

__PACKAGE__->meta->make_immutable;
no Moose;

1;
1	dpavlin	763	package Frey::View::NoPager;
2			use Moose;
3
4			extends 'Frey';
5	dpavlin	1133	with 'Frey::Web', 'Frey::Config', 'Frey::jQuery';
6	dpavlin	763
7			use Search::Estraier;
8			use JSON::Syck;
9			use Data::Dump qw/dump/;
10
11			has search => (
12	dpavlin	963	documentation => 'Search for',
13	dpavlin	763	is => 'rw',
14			isa => 'Str',
15	dpavlin	957	# required => 1,
16	dpavlin	765	default => '',
17	dpavlin	763	);
18
19	dpavlin	963	has 'page' => (
20			documentation => 'display page',
21	dpavlin	765	is => 'rw',
22	dpavlin	843	isa => 'Int',
23			default => 1,
24	dpavlin	765	);
25
26	dpavlin	963	has 'on_page' => (
27	dpavlin	966	documentation => 'number of items on page',
28	dpavlin	963	is => 'rw',
29			isa => 'Int',
30	dpavlin	966	default => 20,
31	dpavlin	963	);
32
33	dpavlin	843	has 'sort' => (
34	dpavlin	765	is => 'rw',
35	dpavlin	843	isa => 'Str',
36	dpavlin	963	default => '',
37	dpavlin	765	);
38
39			sub results_as_markup {
40	dpavlin	957	my ($self) = @_;
41	dpavlin	763
42	dpavlin	963	my ( $search,$page ) = ( $self->search , $self->page );
43	dpavlin	763
44	dpavlin	963	my $v = {
45			search => $search,
46			page => $page,
47	dpavlin	966	max_page => 0,
48	dpavlin	963	id => time() . rand(99),
49			};
50
51	dpavlin	763	sub next_page {
52	dpavlin	957	my $self = shift;
53	dpavlin	966	my $v = shift;
54	dpavlin	963	my $json = $self->html_escape( JSON::Syck::Dump( $v ) );
55
56			my $message = join("\n", @_);
57
58	dpavlin	966	my $next_page = $v->{page} + 1;
59
60	dpavlin	963	return qq\|
61	dpavlin	966	<div id="next_page_$next_page">
62	dpavlin	963	$message
63	dpavlin	966	<textarea id="json" style="display:none">$json</textarea>
64	dpavlin	963	</div>
65			\|
66			;
67	dpavlin	763	}
68
69			if (! $search \|\| $search =~ m/^\s*$/) {
70			$v->{status} = 'Enter search query';
71	dpavlin	966	return $self->next_page( $v );
72	dpavlin	763	}
73
74			$search = join(" AND ", split(/\s+/, $search)) unless ($search =~ m/(?:AND\|OR\|\[\|\])/);
75	dpavlin	966	$v->{search} = $search;
76	dpavlin	763
77	dpavlin	765	my $node = new Search::Estraier::Node(%{ $self->config->{estraier} });
78	dpavlin	763
79	dpavlin	963	my $on_page = $self->on_page;
80	dpavlin	763	my $skip = ( $page - 1 ) * $on_page;
81
82			my $cond = new Search::Estraier::Condition;
83			$cond->set_phrase( $search );
84	dpavlin	966	$cond->set_max( $on_page );
85	dpavlin	763	$cond->set_skip( $skip );
86	dpavlin	843	$cond->set_order( $self->sort ) if $self->sort;
87	dpavlin	763
88	dpavlin	963	warn "INFO: estraier for '$search' page $page with $on_page items, first $skip";
89
90	dpavlin	765	my $nres = $node->search($cond, ( $self->config->{estraier}->{depth} \|\| 0 ) );
91	dpavlin	763
92	dpavlin	966	my $out = qq\|<!-- page $page -->\|;
93	dpavlin	763
94			if (defined($nres)) {
95
96			$v->{hits} = $nres->hits;
97			$v->{time} = $nres->hint('TIME');
98
99			if ($v->{hits} == 0) {
100			$v->{status} = qq{<strong>No results for your search.</strong>};
101	dpavlin	966	return $self->next_page( $v, qq\|<strong>No results found.</strong>\| );
102	dpavlin	763	} elsif ($nres->doc_num == 0) {
103			$v->{status} = qq{<strong>Error getting results for page $page.</strong>};
104	dpavlin	966	return $self->next_page( $v );
105	dpavlin	763	}
106
107			$v->{max_page} = int( ($nres->hits + $on_page - 1) / $on_page );
108
109			$v->{status} = qq{
110			Got <b>$v->{hits}</b> results for <tt>$v->{search}</tt>
111			in <em>$v->{time} s</em>
112			};
113
114			sub html_snippet {
115			my $text = shift \|\| return;
116			my $out = '';
117			foreach my $s (split(/[\n\r]{2}/, $text)) {
118			$out .= ' ... ' if ($out);
119			my ($pre,$hit,$post) = split(/\n/,$s,3);
120			$hit =~ s/\t.*$//;
121	dpavlin	765	$out
122			.= $self->html_escape( $pre )
123			. '<b>'
124			. $self->html_escape( $hit )
125			. '</b>'
126			. $self->html_escape( $post )
127			;
128	dpavlin	763	}
129			return $out;
130			}
131
132			sub attr_regex {
133			my ($rdoc,$attr) = @_;
134			my $text = $rdoc->attr( $attr );
135			return unless defined($text);
136
137	dpavlin	765	if (my $r = $self->config->{estraier}->{attr_regex}->{$attr} ) {
138	dpavlin	763	my $do = '$text =~ ' . $r . ';';
139			eval $do;
140			if ($@) {
141			warn "eval $do failed: $@\n";
142			}
143			}
144			return $text;
145			}
146
147	dpavlin	957	my $result = q\|
148			<div class="result">
149	dpavlin	966	<span class="nr"><% $nr %></span>
150			<h1 title="<% $nr %>"><% attr_regex( $rdoc, '@title' ) %></h1>
151	dpavlin	957	<p>
152			<% html_snippet( $rdoc->snippet ) %>
153			</p>
154			<strong><% attr_regex( $rdoc, 'source' ) %></strong>
155			<em>
156			<% attr_regex( $rdoc, '@size' ) %> bytes
157			</em>
158			<% attr_regex( $rdoc, '@mdate' ) %>
159			<br/><a href="<% $uri %>"><tt><% $uri %></tt></a>
160			</div>
161			\|;
162	dpavlin	763
163	dpavlin	957	my @result = split(/\n/, $result);
164			warn "# result template has ", $#result + 1, " lines";
165
166	dpavlin	763	# for each document in results
167			for my $i ( 0 ... $nres->doc_num - 1 ) {
168
169			my $rdoc = $nres->get_doc($i);
170			my $uri = attr_regex( $rdoc, '@uri' );
171			my $nr = $skip + $i + 1;
172
173			map {
174			my $l = $_;
175			$l =~ s/<%(.+?)%>/eval "$1"/ge;
176			$out .= $l;
177	dpavlin	957	} @result;
178	dpavlin	763
179			}
180
181			} else {
182			$out .= 'error: ' . $node->status;
183			}
184
185			if ($v->{page} == $v->{max_page}) {
186	dpavlin	966	$out .= $self->next_page( $v, qq\|<br/><strong>All results shown</strong>\|);
187	dpavlin	763	} else {
188	dpavlin	966	$out .= $self->next_page( $v, qq\|
189			<br/><strong>Loading results...</strong>
190			<br/>If you are using the scroll bar, release the mouse to see more results.
191			\|);
192	dpavlin	763	}
193
194	dpavlin	963	warn "# v = ", dump( $v );
195	dpavlin	957
196	dpavlin	963	return ( $out, $v->{status} ) if wantarray;
197
198			$self->wrap_in_page( 0 ); # disable <body> and status bar for ajax call
199	dpavlin	763	return $out;
200
201			}
202
203			sub as_markup {
204			my ($self) = @_;
205
206	dpavlin	957	$self->add_css('static/Frey/View/NoPager.css');
207			$self->add_js ('static/Frey/View/NoPager.js');
208	dpavlin	763
209	dpavlin	858	$self->add_js(q\|
210			$(document).ready( function() {
211			$.log.info('hook onchange to #search_form' );
212			$('#search_form').change( function() {
213	dpavlin	763	//logDebug('submit #search_form');
214			this.submit();
215			});
216			});
217			\|);
218
219	dpavlin	963	my ( $results, $status ) = $self->results_as_markup;
220
221	dpavlin	966	$self->add_css(q\|
222			#results {
223			margin-top: 3em;
224			margin-bottom: 3em;
225			}
226			\|);
227
228	dpavlin	957	my $html = join("\n",
229			qq\|
230	dpavlin	763	<div id="search_form_div">
231			<form id="search_form" method="get">
232
233	dpavlin	957	<input autocomplete="off" name="search" type="input" value="\|, $self->search, qq\|">
234			\|, $self->sort, qq\|
235			<input type="submit" class="submit" value="search">
236	dpavlin	763
237	dpavlin	957	<span id="status" class="note">
238	dpavlin	963	$status
239	dpavlin	957	</span>
240	dpavlin	763
241	dpavlin	957	</form>
242			</div>
243
244	dpavlin	966	<div id="results">
245	dpavlin	763	<!-- Dynamic Content -->
246	dpavlin	963	$results
247	dpavlin	763	</div>
248
249	dpavlin	957	\|
250			);
251
252			return $html;
253	dpavlin	763	}
254
255	dpavlin	1133	__PACKAGE__->meta->make_immutable;
256			no Moose;
257
258	dpavlin	763	1;