1 | package BookmarkApp; |
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2 | use strict; |
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3 | use warnings; |
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4 | use base qw{CGI::Application}; |
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5 | |
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6 | use CGI::Application::Plugin::TT; |
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7 | |
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8 | use DBI; |
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9 | use Encode; |
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10 | use JSON; |
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11 | use Bookmarks; |
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12 | |
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13 | use URI; |
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14 | my $base_uri = URI->new; |
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15 | $base_uri->scheme('http'); |
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16 | $base_uri->host($ENV{SERVER_NAME}); |
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17 | $base_uri->port($ENV{SERVER_PORT}); |
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18 | $base_uri->path($ENV{SCRIPT_NAME} . '/'); |
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19 | |
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20 | my $dbname = 'new.db'; |
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21 | my $dbh = DBI->connect("dbi:SQLite:dbname=$dbname", "", "", { RaiseError => 1 }); |
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22 | my $bookmarks = Bookmarks->new({ |
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23 | dbh => $dbh, |
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24 | base_uri => $base_uri->canonical, |
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25 | }); |
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26 | |
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27 | sub setup { |
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28 | my $self = shift; |
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29 | $self->mode_param(path_info => 1); |
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30 | $self->run_modes([qw{ |
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31 | list |
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32 | feed |
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33 | view |
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34 | edit |
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35 | }]); |
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36 | } |
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37 | |
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38 | sub list { |
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39 | my $self = shift; |
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40 | my $q = $self->query; |
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41 | |
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42 | # check for a uri param, and if there is one present, |
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43 | # see if a bookmark for that URI already exists |
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44 | if (defined(my $uri = $q->param('uri'))) { |
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45 | my $bookmark = $bookmarks->get_bookmark({ uri => $uri }); |
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46 | if ($bookmark) { |
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47 | # redirect to the view of the existing bookmark |
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48 | $self->header_type('redirect'); |
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49 | $self->header_props( |
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50 | -uri => $q->url . '/' . $bookmark->{id}, |
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51 | ); |
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52 | return; |
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53 | } else { |
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54 | # bookmark was not found; show the form to create a new bookmark |
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55 | $bookmark->{uri} = $uri; |
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56 | $bookmark->{title} = $q->param('title'); |
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57 | $self->header_props( |
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58 | -type => 'text/html', |
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59 | -charset => 'UTF-8', |
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60 | -status => 404, |
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61 | ); |
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62 | return $self->tt_process( |
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63 | 'bookmark.tt', |
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64 | $bookmark, |
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65 | ); |
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66 | } |
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67 | } |
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68 | |
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69 | # list all the bookmarks |
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70 | my $format = $q->param('format') || 'html'; |
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71 | my $tag = $q->param('tag'); |
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72 | my $limit = $q->param('limit'); |
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73 | my $offset = $q->param('offset'); |
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74 | my @resources = $bookmarks->get_resources({ |
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75 | tag => $tag, |
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76 | limit => $limit, |
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77 | offset => $offset, |
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78 | }); |
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79 | my @all_tags = $bookmarks->get_tags({ selected => $tag }); |
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80 | my @cotags = $bookmarks->get_cotags({ tag => $tag }); |
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81 | |
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82 | if ($format eq 'json') { |
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83 | $self->header_props( |
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84 | -type => 'application/json', |
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85 | -charset => 'UTF-8', |
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86 | ); |
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87 | return decode_utf8( |
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88 | encode_json({ |
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89 | bookmarks => \@resources, |
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90 | }) |
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91 | ); |
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92 | } else { |
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93 | $self->header_props( |
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94 | -type => 'text/html', |
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95 | -charset => 'UTF-8', |
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96 | ); |
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97 | |
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98 | # set the base URL, adding a trailing slash if needed |
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99 | my $base_url = $q->url; |
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100 | $base_url .= '/' if $base_url =~ m{/bookmarks$}; |
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101 | |
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102 | return $self->tt_process( |
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103 | 'list.tt', |
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104 | { |
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105 | base_url => $base_url, |
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106 | selected_tag => $tag, |
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107 | tags => \@all_tags, |
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108 | cotags => \@cotags, |
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109 | resources => \@resources, |
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110 | }, |
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111 | ); |
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112 | } |
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113 | } |
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114 | |
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115 | sub feed { |
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116 | my $self = shift; |
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117 | my $q = $self->query; |
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118 | |
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119 | my $tag = $q->param('tag'); |
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120 | |
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121 | require XML::Atom::Feed; |
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122 | require XML::Atom::Entry; |
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123 | require XML::Atom::Link; |
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124 | |
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125 | my $feed = XML::Atom::Feed->new; |
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126 | $feed->title('Bookmarks'); |
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127 | $feed->id($base_uri . 'feed'); |
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128 | |
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129 | # construct a feed from the most recent 12 bookmarks |
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130 | for my $bookmark ($bookmarks->get_resources({ tag => $tag, limit => 12 })) { |
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131 | my $entry = XML::Atom::Entry->new; |
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132 | $entry->id($bookmark->{bookmark_uri}); |
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133 | $entry->title($bookmark->{title}); |
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134 | my $link = XML::Atom::Link->new; |
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135 | $link->href($bookmark->{uri}); |
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136 | $entry->add_link($link); |
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137 | $entry->summary('Tags: ' . join(', ', @{ $bookmark->{tags} })); |
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138 | $feed->add_entry($entry); |
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139 | } |
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140 | |
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141 | $self->header_props( |
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142 | -type => 'application/atom+xml', |
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143 | -charset => 'UTF-8', |
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144 | ); |
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145 | return $feed->as_xml; |
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146 | } |
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147 | |
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148 | sub view { |
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149 | my $self = shift; |
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150 | my $id = $self->param('id'); |
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151 | my $field = $self->param('field'); |
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152 | my $format = $self->query->param('format') || 'html'; |
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153 | |
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154 | my $bookmark = $bookmarks->get_bookmark({ id => $id }); |
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155 | if ($bookmark) { |
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156 | if ($field) { |
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157 | # respond with just the requested field as plain text |
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158 | $self->header_props( |
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159 | -type => 'text/plain', |
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160 | -charset => 'UTF-8', |
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161 | ); |
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162 | my $value = $bookmark->{$field}; |
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163 | return ref $value eq 'ARRAY' ? join(',', @{ $value }) : $value; |
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164 | } else { |
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165 | if ($format eq 'json') { |
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166 | $self->header_props( |
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167 | -type => 'application/json', |
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168 | -charset => 'UTF-8', |
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169 | ); |
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170 | return decode_utf8(encode_json($bookmark)); |
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171 | } else { |
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172 | # display the bookmark form for this bookmark |
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173 | $bookmark->{exists} = 1; |
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174 | $bookmark->{created} = "Created " . localtime($bookmark->{ctime}); |
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175 | $bookmark->{created} .= '; Updated ' . localtime($bookmark->{mtime}) unless $bookmark->{ctime} == $bookmark->{mtime}; |
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176 | $self->header_props( |
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177 | -type => 'text/html', |
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178 | -charset => 'UTF-8', |
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179 | ); |
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180 | return $self->tt_process( |
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181 | 'bookmark.tt', |
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182 | $bookmark, |
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183 | ); |
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184 | } |
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185 | } |
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186 | } else { |
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187 | $self->header_props( |
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188 | -type => 'text/html', |
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189 | -charset => 'UTF-8', |
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190 | -status => 404, |
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191 | ); |
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192 | return "Bookmark $id Not Found"; |
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193 | } |
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194 | } |
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195 | |
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196 | #TODO: split this into edit and create methods |
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197 | sub edit { |
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198 | my $self = shift; |
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199 | my $q = $self->query; |
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200 | #TODO: get the bookmark based on the id and edit it directly? |
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201 | #TODO: deal with changing URIs |
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202 | my $uri = $q->param('uri'); |
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203 | my $title = $q->param('title'); |
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204 | my @tags = split ' ', $q->param('tags'); |
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205 | $bookmarks->add({ |
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206 | uri => $uri, |
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207 | title => $title, |
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208 | tags => \@tags, |
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209 | }); |
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210 | |
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211 | =begin |
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212 | |
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213 | my $location = URI->new($q->url); |
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214 | $location->query_form(uri => $uri) if defined $q->url_param('uri'); |
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215 | $location->fragment('updated'); |
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216 | |
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217 | =cut |
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218 | |
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219 | # return to the form |
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220 | $self->header_type('redirect'); |
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221 | $self->header_props( |
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222 | -uri => $ENV{REQUEST_URI}, |
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223 | -status => 303, |
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224 | ); |
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225 | } |
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226 | |
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227 | 1; |
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