Webpacus/Controller/Editor.pm

package Webpacus::Controller::Editor;

use strict;
use warnings;
use base 'Catalyst::Controller';

use HTML::Tidy;
use Data::Dumper;

=head1 NAME

Webpacus::Controller::Editor - AJAX template and CSS editor

=head1 SYNOPSIS

See L<Webpacus>, L<WebPAC>

=head1 DESCRIPTION

Catalyst Controller.

=head1 METHODS

=over 4

=item default

=cut

sub default : Private {
        my ( $self, $c ) = @_;

        my $webpac = $c->comp('Model::WebPAC');
        my $params = $c->req->params;
        my $log = $c->log;

        my $template_filename = 
                $c->req->params->{template_filename} ||
                $c->config->{webpac}->{default_template} ||
                $c->log->fatal("need default_template");

        $c->stash->{template_filename} = $template_filename;

        $c->stash->{databases} = $c->config->{databases} or
                $c->log->fail("didn't find databases in config");

        $c->stash->{template} = 'editor.tt';
}

=item template

fetch template using C<template_filename> in request or
C<< webpac->default_template >>.

=cut

sub template : Local {
        my ( $self, $c ) = @_;

        my $template_filename = 
                $c->req->params->{template_filename} ||
                $c->config->{webpac}->{default_template} ||
                $c->log->fatal("need default_template");

        my $webpac = $c->comp('Model::WebPAC');

        my $template_path = $webpac->{template_path} || $c->log->fatal("can't find template_path in Model::WebPAC");

        my $template_full_path = "$template_path/$template_filename";

        if ($c->req->params->{save_template}) {

                $c->response->content_type('text/html; charset=utf-8'); 

                my $t = $c->req->params->{template_content};
                my $size = length($t);
                $c->log->debug("saving $template_full_path, $size bytes");
                if ($webpac->save_html( $template_full_path, $t )) {
                        $c->res->output("<span>saved $template_filename, $size bytes</span>");
                } else {
                        $c->res->output("<span class=\"error\">error saving $template_filename!</span>");
                }
                return;
        }

        $c->log->debug("loading $template_full_path");

        if (! -r $template_full_path) {
                $c->log->warn("can't find '$template_full_path': $!");
                $c->response->content_type('text/html; charset=utf-8'); 
                $c->res->output("can't find template '$template_full_path'");
                return;
        }

        # load template html
        $c->stash->{'template_content'} =
                $webpac->load_html( $template_full_path );

        # load template list

        opendir(my $d, $template_path) || $c->log->fatal("can't opendir '$template_path': $!");
        my @templates = grep { /\.tt$/i } readdir($d);

        $c->stash->{template_list} = \@templates;
        $c->stash->{template_filename} = $template_filename;

        $c->stash->{template} = 'editor/template.tt';
}

=item css

Return css.

B<Not finished>

=cut

sub css : Local {
        my ( $self, $c ) = @_;

        my $css_filename = $c->config->{webpac}->{default_css} || die("need default_css");
        my $css_path = $c->config->{webpac}->{css_path} || die("need css_path");
        my $webpac = $c->comp('Model::WebPAC');

        my $css_full_path = "$css_path/$css_filename";

        if ($c->req->params->{save_css}) {

                $c->response->content_type('text/html; charset=utf-8'); 

                my $t = $c->req->params->{css_content};
                my $size = length($t);
                $c->log->debug("saving $css_full_path, $size bytes");
                if ($webpac->save_html( $css_full_path, $t )) {
                        $c->res->output("<span>saved $css_filename, $size bytes</span>");
                } else {
                        $c->res->output("<span class=\"error\">error saving $css_filename!</span>");
                }
                return;
        }

        $c->log->debug("loading $css_full_path");

        $c->stash->{'css_content'} = $webpac->load_html( $css_full_path );

        $c->stash->{'css_list'} = [ qw/user.css foobar.css/ ];

        $c->stash->{template} = 'editor/css.tt';
}

=item record

Return html of record taking C<mfn> and C<template_filename> from request.

=cut

sub record : Local {
        my ( $self, $c ) = @_;

        $c->log->debug('record params '.Dumper($c->req->params));

        my $record_uri = $c->req->params->{record_uri};
        $record_uri ||= $c->config->{editor}->{default_record_uri} and
                $c->log->warn("using editor: default_record_uri");

        if (! $record_uri) {
                $c->log->fatal("record called without record_uri and default_record_uri not found in config under editor");
                $c->stash->{error} = 'record retrival failed';
                $c->stash->{template} = 'error.tt';
                return;
        }

        my $template_filename = $c->req->params->{template_filename};
        if (! $template_filename) {
                $template_filename = $c->config->{webpac}->{default_template} || $c->log->fatal("no webpac->default_template in configuration!");
                $c->log->warn("no template_filename using $template_filename");
        }

        my $webpac = $c->comp('Model::WebPAC');

        my $html = $webpac->record( record_uri => $record_uri, template => $template_filename );

        if ($html) {
                $c->log->debug('check html with tidy');
                my $tidy = new HTML::Tidy;
                $tidy->ignore( text => [
                        qr/DOCTYPE/, qr/unsupported/, qr/proprietary/i,
                        qr/invalid character code/,
                        qr/inserting missing 'title' element/,
                        qr/lacks "summary" attribute/,
                ] );

                my @lines = split( "\n", $html );
                $_ = "$_\n" for @lines;

                if ( $tidy->parse('tidy', @lines) ) {
                        if ( $tidy->messages ) {
                                $html .= <<__TIDY_CLOSE__;
<div id="tidy_show" class="notice" style="display: none;" onclick="Element.hide('tidy_show'); Element.show('tidy');">?</div>
<div id="tidy" class="tidy">
<a href="#" onclick="Element.hide('tidy'); Element.show('tidy_show'); return false;">close</a>
HTML Tidy output:
<br/>
__TIDY_CLOSE__
                                # Escape <, >, & and ", and to produce valid XML
                                my %escape = ('<'=>'&lt;', '>'=>'&gt;', '&'=>'&amp;', '"'=>'&quot;');
                                my $escape_re  = join '|' => keys %escape;

                                foreach my $m ( $tidy->messages ) {
                                        my $c = $lines[ ( $m->line - 1 ) ];
                                        my $txt = $m->as_string;
                                        $c =~ s/($escape_re)/$escape{$1}/g;
                                        $txt =~ s/($escape_re)/$escape{$1}/g;
                                        my $class = '';
                                        $class = ' class="tidy_'.lc($1).'"' if ($txt =~ /(Warning|Error):/s);
                                        $html .= 'line ' . $m->line . ":<span${class}>$txt<tt>$c</tt></span>";
                                }
                                $html .= '</div>';
                        }
                } else {
                        $html .= qq{<div class="tidy tidy_error">Can't parse this record with HTML Tidy!</div>};
                }
        } else {
                $html .= qq{<div class="no_results">Can't find record</div>};
        }

        $c->response->content_type('text/html; charset=utf-8'); 
        $c->response->body( $html );
}


=back

=head1 AUTHOR

Dobrica Pavlinusic, C<< <dpavlin@rot13.org> >>

=head1 LICENSE

This library is free software, you can redistribute it and/or modify
it under the same terms as Perl itself.

=cut

1;
1	dpavlin	134	package Webpacus::Controller::Editor;
2
3			use strict;
4			use warnings;
5			use base 'Catalyst::Controller';
6
7	dpavlin	180	use HTML::Tidy;
8	dpavlin	165	use Data::Dumper;
9
10	dpavlin	134	=head1 NAME
11
12	dpavlin	165	Webpacus::Controller::Editor - AJAX template and CSS editor
13	dpavlin	134
14			=head1 SYNOPSIS
15
16	dpavlin	165	See L<Webpacus>, L<WebPAC>
17	dpavlin	134
18			=head1 DESCRIPTION
19
20			Catalyst Controller.
21
22			=head1 METHODS
23
24			=over 4
25
26			=item default
27
28			=cut
29
30			sub default : Private {
31	dpavlin	165	my ( $self, $c ) = @_;
32	dpavlin	134
33	dpavlin	165	my $webpac = $c->comp('Model::WebPAC');
34			my $params = $c->req->params;
35			my $log = $c->log;
36	dpavlin	134
37	dpavlin	165	my $template_filename =
38			$c->req->params->{template_filename} \|\|
39			$c->config->{webpac}->{default_template} \|\|
40			$c->log->fatal("need default_template");
41
42			$c->stash->{template_filename} = $template_filename;
43
44	dpavlin	244	$c->stash->{databases} = $c->config->{databases} or
45			$c->log->fail("didn't find databases in config");
46
47	dpavlin	165	$c->stash->{template} = 'editor.tt';
48	dpavlin	134	}
49
50	dpavlin	165	=item template
51
52			fetch template using C<template_filename> in request or
53			C<< webpac->default_template >>.
54
55			=cut
56
57	dpavlin	134	sub template : Local {
58	dpavlin	135	my ( $self, $c ) = @_;
59	dpavlin	134
60	dpavlin	167	my $template_filename =
61	dpavlin	165	$c->req->params->{template_filename} \|\|
62			$c->config->{webpac}->{default_template} \|\|
63			$c->log->fatal("need default_template");
64	dpavlin	135
65			my $webpac = $c->comp('Model::WebPAC');
66
67	dpavlin	167	my $template_path = $webpac->{template_path} \|\| $c->log->fatal("can't find template_path in Model::WebPAC");
68	dpavlin	135
69	dpavlin	167	my $template_full_path = "$template_path/$template_filename";
70
71	dpavlin	172	if ($c->req->params->{save_template}) {
72	dpavlin	179
73			$c->response->content_type('text/html; charset=utf-8');
74
75	dpavlin	172	my $t = $c->req->params->{template_content};
76			my $size = length($t);
77			$c->log->debug("saving $template_full_path, $size bytes");
78			if ($webpac->save_html( $template_full_path, $t )) {
79			$c->res->output("<span>saved $template_filename, $size bytes</span>");
80			} else {
81	dpavlin	243	$c->res->output("<span class=\"error\">error saving $template_filename!</span>");
82	dpavlin	172	}
83			return;
84			}
85
86	dpavlin	165	$c->log->debug("loading $template_full_path");
87
88			if (! -r $template_full_path) {
89			$c->log->warn("can't find '$template_full_path': $!");
90	dpavlin	179	$c->response->content_type('text/html; charset=utf-8');
91	dpavlin	165	$c->res->output("can't find template '$template_full_path'");
92			return;
93			}
94
95	dpavlin	167	# load template html
96	dpavlin	135	$c->stash->{'template_content'} =
97			$webpac->load_html( $template_full_path );
98
99	dpavlin	167	# load template list
100
101			opendir(my $d, $template_path) \|\| $c->log->fatal("can't opendir '$template_path': $!");
102			my @templates = grep { /\.tt$/i } readdir($d);
103
104			$c->stash->{template_list} = \@templates;
105			$c->stash->{template_filename} = $template_filename;
106
107	dpavlin	135	$c->stash->{template} = 'editor/template.tt';
108	dpavlin	134	}
109
110	dpavlin	165	=item css
111
112	dpavlin	167	Return css.
113
114			B<Not finished>
115
116	dpavlin	165	=cut
117
118	dpavlin	134	sub css : Local {
119	dpavlin	135	my ( $self, $c ) = @_;
120	dpavlin	134
121	dpavlin	172	my $css_filename = $c->config->{webpac}->{default_css} \|\| die("need default_css");
122	dpavlin	135	my $css_path = $c->config->{webpac}->{css_path} \|\| die("need css_path");
123			my $webpac = $c->comp('Model::WebPAC');
124	dpavlin	165
125	dpavlin	172	my $css_full_path = "$css_path/$css_filename";
126	dpavlin	165
127	dpavlin	172	if ($c->req->params->{save_css}) {
128	dpavlin	179
129			$c->response->content_type('text/html; charset=utf-8');
130
131	dpavlin	172	my $t = $c->req->params->{css_content};
132			my $size = length($t);
133			$c->log->debug("saving $css_full_path, $size bytes");
134			if ($webpac->save_html( $css_full_path, $t )) {
135			$c->res->output("<span>saved $css_filename, $size bytes</span>");
136			} else {
137	dpavlin	243	$c->res->output("<span class=\"error\">error saving $css_filename!</span>");
138	dpavlin	172	}
139			return;
140			}
141
142	dpavlin	165	$c->log->debug("loading $css_full_path");
143
144			$c->stash->{'css_content'} = $webpac->load_html( $css_full_path );
145
146	dpavlin	189	$c->stash->{'css_list'} = [ qw/user.css foobar.css/ ];
147
148	dpavlin	135	$c->stash->{template} = 'editor/css.tt';
149	dpavlin	134	}
150
151	dpavlin	165	=item record
152
153	dpavlin	167	Return html of record taking C<mfn> and C<template_filename> from request.
154
155	dpavlin	165	=cut
156
157			sub record : Local {
158			my ( $self, $c ) = @_;
159
160			$c->log->debug('record params '.Dumper($c->req->params));
161
162	dpavlin	242	my $record_uri = $c->req->params->{record_uri};
163	dpavlin	244	$record_uri \|\|= $c->config->{editor}->{default_record_uri} and
164			$c->log->warn("using editor: default_record_uri");
165	dpavlin	165
166	dpavlin	242	if (! $record_uri) {
167	dpavlin	244	$c->log->fatal("record called without record_uri and default_record_uri not found in config under editor");
168	dpavlin	243	$c->stash->{error} = 'record retrival failed';
169			$c->stash->{template} = 'error.tt';
170	dpavlin	242	return;
171	dpavlin	165	}
172
173			my $template_filename = $c->req->params->{template_filename};
174			if (! $template_filename) {
175			$template_filename = $c->config->{webpac}->{default_template} \|\| $c->log->fatal("no webpac->default_template in configuration!");
176			$c->log->warn("no template_filename using $template_filename");
177			}
178
179			my $webpac = $c->comp('Model::WebPAC');
180
181	dpavlin	242	my $html = $webpac->record( record_uri => $record_uri, template => $template_filename );
182	dpavlin	180
183			if ($html) {
184			$c->log->debug('check html with tidy');
185			my $tidy = new HTML::Tidy;
186			$tidy->ignore( text => [
187			qr/DOCTYPE/, qr/unsupported/, qr/proprietary/i,
188			qr/invalid character code/,
189			qr/inserting missing 'title' element/,
190			qr/lacks "summary" attribute/,
191			] );
192
193	dpavlin	181	my @lines = split( "\n", $html );
194			$_ = "$_\n" for @lines;
195	dpavlin	180
196	dpavlin	181	if ( $tidy->parse('tidy', @lines) ) {
197			if ( $tidy->messages ) {
198			$html .= <<__TIDY_CLOSE__;
199			<div id="tidy_show" class="notice" style="display: none;" onclick="Element.hide('tidy_show'); Element.show('tidy');">?</div>
200			<div id="tidy" class="tidy">
201			<a href="#" onclick="Element.hide('tidy'); Element.show('tidy_show'); return false;">close</a>
202			HTML Tidy output:
203			<br/>
204			__TIDY_CLOSE__
205	dpavlin	180	# Escape <, >, & and ", and to produce valid XML
206			my %escape = ('<'=>'<', '>'=>'>', '&'=>'&', '"'=>'"');
207			my $escape_re = join '\|' => keys %escape;
208
209			foreach my $m ( $tidy->messages ) {
210	dpavlin	181	my $c = $lines[ ( $m->line - 1 ) ];
211	dpavlin	180	my $txt = $m->as_string;
212			$c =~ s/($escape_re)/$escape{$1}/g;
213			$txt =~ s/($escape_re)/$escape{$1}/g;
214			my $class = '';
215			$class = ' class="tidy_'.lc($1).'"' if ($txt =~ /(Warning\|Error):/s);
216	dpavlin	181	$html .= 'line ' . $m->line . ":<span${class}>$txt<tt>$c</tt></span>";
217	dpavlin	180	}
218			$html .= '</div>';
219			}
220			} else {
221			$html .= qq{<div class="tidy tidy_error">Can't parse this record with HTML Tidy!</div>};
222			}
223	dpavlin	241	} else {
224			$html .= qq{<div class="no_results">Can't find record</div>};
225	dpavlin	180	}
226	dpavlin	242
227	dpavlin	179	$c->response->content_type('text/html; charset=utf-8');
228	dpavlin	237	$c->response->body( $html );
229	dpavlin	165	}
230
231	dpavlin	167
232
233	dpavlin	134	=back
234
235			=head1 AUTHOR
236
237	dpavlin	165	Dobrica Pavlinusic, C<< <dpavlin@rot13.org> >>
238	dpavlin	134
239			=head1 LICENSE
240
241			This library is free software, you can redistribute it and/or modify
242			it under the same terms as Perl itself.
243
244			=cut
245
246			1;