Frey/View/NoPager.pm

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

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

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

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

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

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

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

our $json;

sub json {
        my ($self) = @_;
        return
        '<textarea id="json" style="display:none">' .
        $self->html_escape( JSON::Syck::Dump( $v ) ) .
        '</textarea>';
}

sub results_as_markup {
        my $self = shift;
        my $p = {@_};

        my ($search,$page) = ( $p->{search} , $p->{page} );

        sub next_page {
                my ($self) = @_;
                return
                   qq|<div id="next_page">| 
                 . join("\n", @_) . $self->json()
                 . qq|</div>|
                 ;
        }

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

        if (! $page) {
                $v->{status} = 'Error: no page number?';
                return $self->next_page;
        }

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

        $v->{page} = $page;

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

        my $on_page = 30;
        my $skip = ( $page - 1 ) * $on_page;

        my $cond = new Search::Estraier::Condition;
        $cond->set_phrase( $search );
        $cond->set_max( $on_page * $page );     ## FIXME * $page is needed by hest 1.3.8
        $cond->set_skip( $skip );
        $cond->set_order( $p->{sort} ) if ($p->{sort});

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

        my $out;

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

                $v->{max_page} = int( ($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 @template;
                open(my $t, 'result.html')  || die "result.html: $!";
                while(<$t>) {
                        push @template, $_;
                }
                close($t);

                # 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;
                        } @template;

                }

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

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

        return $out;

}

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

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

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

        return 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">
                        |, $v->{status}, qq|
                        </span>
                </form>

                <div style="margin-top: 3em;">
                <!-- Dynamic Content -->
                        |, $self->results_as_markup, qq|

                        <!-- Back Button Content -->
                        <div style="position:absolute;top:0px;left:0px;visibility:hidden;" id="spacer">space</div>
                        <!-- footer at end of results -->
                        <div style="display:none;" id="footer">
                                Thanks for trying out no pager. Hope you like it.
                        </div>

                </div>

        </div>
        |;
}

1;
1	dpavlin	763	package Frey::View::NoPager;
2			use Moose;
3
4			extends 'Frey';
5			with 'Frey::Web';
6			with 'Frey::Config';
7			with 'Frey::jQuery';
8
9			use Search::Estraier;
10			use JSON::Syck;
11			use Data::Dump qw/dump/;
12
13			has search => (
14			is => 'rw',
15			isa => 'Str',
16			required => 1,
17	dpavlin	765	default => '',
18	dpavlin	763	);
19
20	dpavlin	765	has 'sort' => (
21			is => 'rw',
22			isa => 'Str',
23			);
24
25			has page => (
26			is => 'rw',
27			isa => 'Int',
28			default => 1,
29			);
30
31	dpavlin	763	our $v = {
32			search => '',
33			hits => 0,
34			page => 0,
35			max_page => 0,
36			time => '',
37			id => time() . rand(99),
38			};
39
40			our $json;
41
42			sub json {
43			my ($self) = @_;
44			return
45			'<textarea id="json" style="display:none">' .
46			$self->html_escape( JSON::Syck::Dump( $v ) ) .
47			'</textarea>';
48			}
49
50	dpavlin	765	sub results_as_markup {
51	dpavlin	763	my $self = shift;
52			my $p = {@_};
53
54			my ($search,$page) = ( $p->{search} , $p->{page} );
55
56			sub next_page {
57	dpavlin	765	my ($self) = @_;
58			return
59			qq\|<div id="next_page">\|
60			. join("\n", @_) . $self->json()
61			. qq\|</div>\|
62			;
63	dpavlin	763	}
64
65			if (! $search \|\| $search =~ m/^\s*$/) {
66			$v->{status} = 'Enter search query';
67	dpavlin	765	return $self->next_page;
68	dpavlin	763	}
69
70			if (! $page) {
71			$v->{status} = 'Error: no page number?';
72	dpavlin	765	return $self->next_page;
73	dpavlin	763	}
74
75			$search = join(" AND ", split(/\s+/, $search)) unless ($search =~ m/(?:AND\|OR\|\[\|\])/);
76			$v->{search} = $search;
77
78			$v->{page} = $page;
79
80	dpavlin	765	my $node = new Search::Estraier::Node(%{ $self->config->{estraier} });
81	dpavlin	763
82			my $on_page = 30;
83			my $skip = ( $page - 1 ) * $on_page;
84
85			my $cond = new Search::Estraier::Condition;
86			$cond->set_phrase( $search );
87			$cond->set_max( $on_page * $page ); ## FIXME * $page is needed by hest 1.3.8
88			$cond->set_skip( $skip );
89			$cond->set_order( $p->{sort} ) if ($p->{sort});
90
91	dpavlin	765	my $nres = $node->search($cond, ( $self->config->{estraier}->{depth} \|\| 0 ) );
92	dpavlin	763
93			my $out;
94
95			if (defined($nres)) {
96
97			$v->{hits} = $nres->hits;
98			$v->{time} = $nres->hint('TIME');
99
100			if ($v->{hits} == 0) {
101			$v->{status} = qq{<strong>No results for your search.</strong>};
102	dpavlin	765	return $self->next_page;
103	dpavlin	763	} elsif ($nres->doc_num == 0) {
104			$v->{status} = qq{<strong>Error getting results for page $page.</strong>};
105	dpavlin	765	return $self->next_page('<strong>No results found.</strong>');
106	dpavlin	763	}
107
108			$v->{max_page} = int( ($nres->hits + $on_page - 1) / $on_page );
109
110			$v->{status} = qq{
111			Got <b>$v->{hits}</b> results for <tt>$v->{search}</tt>
112			in <em>$v->{time} s</em>
113			};
114
115			sub html_snippet {
116			my $text = shift \|\| return;
117			my $out = '';
118			foreach my $s (split(/[\n\r]{2}/, $text)) {
119			$out .= ' ... ' if ($out);
120			my ($pre,$hit,$post) = split(/\n/,$s,3);
121			$hit =~ s/\t.*$//;
122	dpavlin	765	$out
123			.= $self->html_escape( $pre )
124			. '<b>'
125			. $self->html_escape( $hit )
126			. '</b>'
127			. $self->html_escape( $post )
128			;
129	dpavlin	763	}
130			return $out;
131			}
132
133			sub attr_regex {
134			my ($rdoc,$attr) = @_;
135			my $text = $rdoc->attr( $attr );
136			return unless defined($text);
137
138	dpavlin	765	if (my $r = $self->config->{estraier}->{attr_regex}->{$attr} ) {
139	dpavlin	763	my $do = '$text =~ ' . $r . ';';
140			eval $do;
141			if ($@) {
142			warn "eval $do failed: $@\n";
143			}
144			}
145			return $text;
146			}
147
148			my @template;
149			open(my $t, 'result.html') \|\| die "result.html: $!";
150			while(<$t>) {
151			push @template, $_;
152			}
153			close($t);
154
155			# for each document in results
156			for my $i ( 0 ... $nres->doc_num - 1 ) {
157
158			my $rdoc = $nres->get_doc($i);
159			my $uri = attr_regex( $rdoc, '@uri' );
160			my $nr = $skip + $i + 1;
161
162			map {
163			my $l = $_;
164			$l =~ s/<%(.+?)%>/eval "$1"/ge;
165			$out .= $l;
166			} @template;
167
168			}
169
170			} else {
171			$out .= 'error: ' . $node->status;
172			}
173
174			if ($v->{page} == $v->{max_page}) {
175	dpavlin	765	$out .= $self->next_page('<br/><strong>All results shown</strong>');
176	dpavlin	763	} else {
177	dpavlin	765	$out .= $self->next_page(
178	dpavlin	763	'<br/><strong>Loading results...</strong><br/>',
179			'If you are using the scroll bar, release the mouse to see more results.'
180			);
181			}
182
183			return $out;
184
185			}
186
187			sub as_markup {
188			my ($self) = @_;
189
190			$self->add_css('static/Frey/NoPager.css');
191			$self->add_css('static/Frey/NoPager.js');
192
193			$self->add_js(qq\|
194			$(document).ready( function() {
195			$.log.info('hook onchange to #search_form' );
196			$('#search_form').change( function() {
197			//logDebug('submit #search_form');
198			this.submit();
199			});
200			});
201			\|);
202
203	dpavlin	765	return qq\|
204	dpavlin	763	<div id="search_form_div">
205			<form id="search_form" method="get">
206
207	dpavlin	765	<input autocomplete="off" name="search" type="input" value="\|, $self->search, qq\|">
208			\|, $self->sort, qq\|
209	dpavlin	763	<input type="submit" class="submit" value="search">
210
211			<span id="status" class="note">
212			\|, $v->{status}, qq\|
213			</span>
214			</form>
215
216			<div style="margin-top: 3em;">
217			<!-- Dynamic Content -->
218	dpavlin	765	\|, $self->results_as_markup, qq\|
219	dpavlin	763
220			<!-- Back Button Content -->
221			<div style="position:absolute;top:0px;left:0px;visibility:hidden;" id="spacer">space</div>
222			<!-- footer at end of results -->
223			<div style="display:none;" id="footer">
224			Thanks for trying out no pager. Hope you like it.
225			</div>
226
227			</div>
228
229			</div>
230			\|;
231			}
232
233			1;