/[webpac2]/Webpacus/lib/Webpacus/Model/WebPAC.pm
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revision 115 by dpavlin, Wed Nov 23 00:15:01 2005 UTC revision 200 by dpavlin, Wed Nov 30 23:21:30 2005 UTC
# Line 5  use warnings; Line 5  use warnings;
5  use lib '/data/webpac2/lib';  use lib '/data/webpac2/lib';
6  use base qw/  use base qw/
7          Catalyst::Model          Catalyst::Model
         WebPAC::Search::Estraier  
8  /;  /;
9  use Data::Dumper;  use Data::Dumper;
10  use WebPAC::DB;  use WebPAC::DB;
11  use WebPAC::Output::TT;  use WebPAC::Output::TT 0.02;
12    use WebPAC::Search::Estraier 0.02;
13    use File::Slurp;
14    use Time::HiRes;
15    
16  =head1 NAME  =head1 NAME
17    
# Line 35  Configuration for hyperestraier in C<con Line 37  Configuration for hyperestraier in C<con
37    url: 'http://localhost:1978/node/webpac2'    url: 'http://localhost:1978/node/webpac2'
38    user: 'admin'    user: 'admin'
39    passwd: 'admin'    passwd: 'admin'
40      hits_on_page: 100
41    
42   webpac:   webpac:
43    db_path: '/data/webpac2/db'    db_path: '/data/webpac2/db'
# Line 59  sub new { Line 62  sub new {
62          my $est_cfg = $c->config->{hyperestraier};          my $est_cfg = $c->config->{hyperestraier};
63          $est_cfg->{'log'} = $log;          $est_cfg->{'log'} = $log;
64    
65            $est_cfg->{encoding} = $est_cfg->{catalyst_encoding};
66    
67          $log->debug("using config:" . Dumper($est_cfg) );          $log->debug("using config:" . Dumper($est_cfg) );
68    
69          $self->{est} = new WebPAC::Search::Estraier( %{ $est_cfg } );          $self->{est} = new WebPAC::Search::Estraier( %{ $est_cfg } );
70    
71          my $db_path = $c->config->{webpac}->{db_path};          # save config parametars in object
72          my $template_path = $c->config->{webpac}->{template_path};          foreach my $f (qw/db_path template_path hits_on_page webpac_encoding out_encoding/) {
73                    $self->{$f} = $c->config->{hyperestraier}->{$f} ||
74                            $c->config->{webpac}->{$f};
75                    $log->debug("self->{$f} = " . $self->{$f});
76            }
77            my $db_path = $self->{db_path};
78            my $template_path = $self->{template_path};
79    
80          $log->debug("using db path '$db_path', template path '$template_path'");          $log->debug("using db path '$db_path', template path '$template_path'");
81    
# Line 93  sub new { Line 104  sub new {
104                  "'"                  "'"
105          );          );
106    
107    
108          return $self;          return $self;
109    
110  }  }
111    
112    
113    =head2 search
114    
115      my $m->search(
116            phrase => 'query phrase',
117            add_attr => \@add_attr
118            get_attr => [ '@uri' ],
119            max => 42,
120            template => 'result_template.tt',
121      );
122    
123    All fields are standard C<WebPAC::Search::Estraier> parametars except
124    C<template> which will (if specified) return results in HTML using
125    selected template.
126    
127    =cut
128    
129  sub search {  sub search {
130          my ( $self, $query, $template ) = @_;          my $self = shift;
131    
132            my $args = {@_};
133    
134          my $log = $self->{log};          my $log = $self->{log};
135    
136          $log->debug("search model query: -->$query<--");          $log->debug("args: " . Dumper( $args ));
137    
138          my $template_filename = $template || $self->{template};          my $query = $args->{phrase} || $log->warn("no query phrase") && return;
139    
140          my @results = $self->{est}->search(          $log->debug("search model query: '$query'");
141                  query => $query,          if ($args->{add_attr}) {
142                  attr => [ '@uri' ],                  $log->debug(" + add_attr: " .
143                  max => 100,                          join("','", @{ $args->{add_attr} })
144          );                  );
145            }
146    
147            my $template_filename = $args->{template} || $self->{template};
148    
149            $args->{max} ||= $self->{'hits_on_page'};
150            if (! $args->{max}) {
151                    $args->{max} = 10;
152                    $log->warn("max not set when calling model. Using default of 10");
153            }
154    
155            my $times;      # store some times for benchmarking
156    
157            my $t = time();
158    
159            my @results = $self->{est}->search( %{ $args } );
160    
161          $log->debug("loading " . ($#results + 1) . " results");          $times->{est} += time() - $t;
162    
163            my $hits = $#results + 1;
164    
165            $log->debug( sprintf("search took %.2fs and returned $hits hits.", $times->{est}) );
166    
167            # just return results?
168            return @results unless ($args->{'template'});
169    
170            #
171            # construct HTML results
172            #
173    
174          my @html_results;          my @html_results;
175    
# Line 122  sub search { Line 179  sub search {
179    
180                  #$log->debug("load_ds( $mfn )");                  #$log->debug("load_ds( $mfn )");
181    
182                    $t = time();
183    
184                  my $ds = $self->{db}->load_ds( $mfn ) || $log->error("can't load_ds( $mfn )") && next;                  my $ds = $self->{db}->load_ds( $mfn ) || $log->error("can't load_ds( $mfn )") && next;
185            
186                    $times->{db} += time() - $t;
187    
188                  #$log->debug( "ds = " . Dumper( \@html_results ) );                  #$log->debug( "ds = " . Dumper( \@html_results ) );
189    
190                    $t = time();
191    
192                  my $html = $self->{out}->apply(                  my $html = $self->{out}->apply(
193                          template => $template_filename,                          template => $template_filename,
194                          data => $ds,                          data => $ds,
195                  );                  );
196    
197                    $times->{out} += time() - $t;
198    
199                    $t = time();
200    
201                  $html = $self->{iconv}->convert( $html ) || $log->error("can't convert: $html");                  $html = $self->{iconv}->convert( $html ) || $log->error("can't convert: $html");
202    
203                    $times->{iconv} += time() - $t;
204    
205                  push @html_results, $html;                  push @html_results, $html;
206    
207          }          }
208    
209          #$log->debug( '@html_results = ' . Dumper( \@html_results ) );          #$log->debug( '@html_results = ' . Dumper( \@html_results ) );
210    
211            $log->debug( sprintf(
212                    "time spent: db = %.2f, out = %.2f, iconv = %.2f",
213                    $times->{db}, $times->{out}, $times->{iconv},
214            ) );
215    
216          return \@html_results;          return \@html_results;
217  }  }
218    
219    =head2 record
220    
221      my $html = $m->record(
222            mfn => 42,
223            template => 'foo.tt',
224      );
225    
226    This will load one record, convert it to html using C<template> and return
227    it.
228    
229    =cut
230    
231    sub record {
232            my $self = shift;
233    
234                    my $args = {@_};
235            my $log = $self->{log};
236            $log->debug("args: " . Dumper( $args ));
237    
238            foreach my $f (qw/mfn template/) {
239                    $log->die("need $f") unless ($args->{$f});
240            }
241    
242            my $mfn = $args->{mfn};
243    
244            my $ds = $self->{db}->load_ds( $mfn ) || $log->error("can't load_ds( $mfn )") && next;
245    
246            my $html = $self->{out}->apply(
247                    template => $args->{template},
248                    data => $ds,
249            );
250    
251            $html = $self->{iconv}->convert( $html ) || $log->error("can't convert: $html");
252    
253            return $html;
254    }
255    
256    =head2 save_html
257    
258      $m->save_html( '/full/path/to/file', $content );
259    
260    It will use C<Text::Iconv> to convert content encoding back to
261    Webpac codepage, recode JavaScript Unicode entities (%u1234),
262    strip extra newlines at beginning and end, and save to
263    C</full/path/to/file.new> and if that succeeds, just rename
264    it over original file which should be atomic on filesystem level.
265    
266    =cut
267    
268    sub save_html {
269            my ($self, $path, $content) = @_;
270    
271            sub _conv_js {
272                    my $t = shift || return;
273                    return $self->{iconv}->convert(chr(hex($t)));
274            }
275            $content =~ s/%u([a-fA-F0-9]{4})/_conv_js($1)/gex;
276            $content =~ s/^[\n\r]+//s;
277            $content =~ s/[\n\r]+$/\n/s;
278    
279            my ($from, $to) = (
280                    $self->{out_encoding},
281                    $self->{webpac_encoding},
282            );
283    
284            $self->{log}->debug("using iconv to convert from $from to $to encoding");
285    
286            my $iconv_on_save = new Text::Iconv($from, $to)
287                    || $self->{log}->fatal("can't create iconv for saving");
288    
289            $content = $iconv_on_save->convert( $content ) || die "no content?";
290    
291            write_file($path . '.new', {binmode => ':raw' }, $content) || die "can't save ${path}.new $!";
292            rename $path . '.new', $path || die "can't rename to $path: $!";
293    }
294    
295    =head2 load_html
296    
297      my $html = $m->load_html('/full/path/to/file');
298    
299    This will convert file from Webpac encoding to Catalyst and
300    convert that data to escaped HTML (for sending into
301    C<< <textarea/> >> tags in html.
302    
303    =cut
304    
305    sub load_html {
306            my ($self, $path) = @_;
307    
308            die "no path?" unless ($path);
309    
310            my $content = read_file($path, {binmode => ':raw' }) || die "can't read $path: $!";
311            #$content = $q->escapeHTML($iconv_utf8->convert($content));
312            $content = $self->{iconv}->convert($content);
313    
314            return $content;
315    }
316    
317  =head1 AUTHOR  =head1 AUTHOR
318    
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