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 'on_page' => (      # FIXME Frey::Web->page, sigh!
        is => 'rw',
        isa => 'Int',
        default => 1,
);

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

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 ($search,$page) = ( $self->search , $self->on_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( $self->sort ) if $self->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_js ('static/Frey/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();
                        });
                });
        |);

        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	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	default => '',
18	);
19
20	has 'on_page' => ( # FIXME Frey::Web->page, sigh!
21	is => 'rw',
22	isa => 'Int',
23	default => 1,
24	);
25
26	has 'sort' => (
27	is => 'rw',
28	isa => 'Str',
29	);
30
31	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	sub results_as_markup {
51	my $self = shift;
52
53	my ($search,$page) = ( $self->search , $self->on_page );
54
55	sub next_page {
56	my ($self) = @_;
57	return
58	qq\|<div id="next_page">\|
59	. join("\n", @_) . $self->json()
60	. qq\|</div>\|
61	;
62	}
63
64	if (! $search \|\| $search =~ m/^\s*$/) {
65	$v->{status} = 'Enter search query';
66	return $self->next_page;
67	}
68
69	if (! $page) {
70	$v->{status} = 'Error: no page number?';
71	return $self->next_page;
72	}
73
74	$search = join(" AND ", split(/\s+/, $search)) unless ($search =~ m/(?:AND\|OR\|\[\|\])/);
75	$v->{search} = $search;
76
77	$v->{page} = $page;
78
79	my $node = new Search::Estraier::Node(%{ $self->config->{estraier} });
80
81	my $on_page = 30;
82	my $skip = ( $page - 1 ) * $on_page;
83
84	my $cond = new Search::Estraier::Condition;
85	$cond->set_phrase( $search );
86	$cond->set_max( $on_page * $page ); ## FIXME * $page is needed by hest 1.3.8
87	$cond->set_skip( $skip );
88	$cond->set_order( $self->sort ) if $self->sort;
89
90	my $nres = $node->search($cond, ( $self->config->{estraier}->{depth} \|\| 0 ) );
91
92	my $out;
93
94	if (defined($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	return $self->next_page;
102	} elsif ($nres->doc_num == 0) {
103	$v->{status} = qq{<strong>Error getting results for page $page.</strong>};
104	return $self->next_page('<strong>No results found.</strong>');
105	}
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	$out
122	.= $self->html_escape( $pre )
123	. '<b>'
124	. $self->html_escape( $hit )
125	. '</b>'
126	. $self->html_escape( $post )
127	;
128	}
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	if (my $r = $self->config->{estraier}->{attr_regex}->{$attr} ) {
138	my $do = '$text =~ ' . $r . ';';
139	eval $do;
140	if ($@) {
141	warn "eval $do failed: $@\n";
142	}
143	}
144	return $text;
145	}
146
147	my @template;
148	open(my $t, 'result.html') \|\| die "result.html: $!";
149	while(<$t>) {
150	push @template, $_;
151	}
152	close($t);
153
154	# for each document in results
155	for my $i ( 0 ... $nres->doc_num - 1 ) {
156
157	my $rdoc = $nres->get_doc($i);
158	my $uri = attr_regex( $rdoc, '@uri' );
159	my $nr = $skip + $i + 1;
160
161	map {
162	my $l = $_;
163	$l =~ s/<%(.+?)%>/eval "$1"/ge;
164	$out .= $l;
165	} @template;
166
167	}
168
169	} else {
170	$out .= 'error: ' . $node->status;
171	}
172
173	if ($v->{page} == $v->{max_page}) {
174	$out .= $self->next_page('<br/><strong>All results shown</strong>');
175	} else {
176	$out .= $self->next_page(
177	'<br/><strong>Loading results...</strong><br/>',
178	'If you are using the scroll bar, release the mouse to see more results.'
179	);
180	}
181
182	return $out;
183
184	}
185
186	sub as_markup {
187	my ($self) = @_;
188
189	$self->add_css('static/Frey/NoPager.css');
190	$self->add_js ('static/Frey/NoPager.js');
191
192	$self->add_js(q\|
193	$(document).ready( function() {
194	$.log.info('hook onchange to #search_form' );
195	$('#search_form').change( function() {
196	//logDebug('submit #search_form');
197	this.submit();
198	});
199	});
200	\|);
201
202	return qq\|
203	<div id="search_form_div">
204	<form id="search_form" method="get">
205
206	<input autocomplete="off" name="search" type="input" value="\|, $self->search, qq\|">
207	\|, $self->sort, qq\|
208	<input type="submit" class="submit" value="search">
209
210	<span id="status" class="note">
211	\|, $v->{status}, qq\|
212	</span>
213	</form>
214
215	<div style="margin-top: 3em;">
216	<!-- Dynamic Content -->
217	\|, $self->results_as_markup, qq\|
218
219	<!-- Back Button Content -->
220	<div style="position:absolute;top:0px;left:0px;visibility:hidden;" id="spacer">space</div>
221	<!-- footer at end of results -->
222	<div style="display:none;" id="footer">
223	Thanks for trying out no pager. Hope you like it.
224	</div>
225
226	</div>
227
228	</div>
229	\|;
230	}
231
232	1;