[59] | 1 | package BookmarkController; |
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| 2 | use Moose; |
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[5] | 3 | |
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| 4 | use Encode; |
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[57] | 5 | use HTTP::Date qw{time2isoz time2iso time2str str2time}; |
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[5] | 6 | use JSON; |
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| 7 | use Bookmarks; |
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[7] | 8 | use URI; |
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[59] | 9 | use Template; |
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[7] | 10 | |
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[61] | 11 | has dbname => ( |
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| 12 | is => 'ro', |
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| 13 | required => 1, |
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| 14 | ); |
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[59] | 15 | has bookmarks => ( |
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[61] | 16 | is => 'ro', |
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[59] | 17 | handles => [qw{get_bookmark}], |
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[61] | 18 | builder => '_build_bookmarks', |
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| 19 | lazy => 1, |
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[59] | 20 | ); |
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| 21 | has base_uri => ( |
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| 22 | is => 'ro', |
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| 23 | builder => '_build_base_uri', |
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| 24 | lazy => 1, |
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| 25 | ); |
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| 26 | has request => ( |
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| 27 | is => 'ro', |
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[61] | 28 | required => 1, |
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[59] | 29 | ); |
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| 30 | |
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[61] | 31 | sub _build_bookmarks { |
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| 32 | my $self = shift; |
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| 33 | return Bookmarks->new({ |
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| 34 | dbname => $self->dbname, |
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| 35 | base_uri => $self->base_uri, |
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| 36 | }); |
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| 37 | } |
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| 38 | |
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[59] | 39 | sub _build_base_uri { |
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[5] | 40 | my $self = shift; |
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[59] | 41 | my $url = $self->request->base; |
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[41] | 42 | |
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[53] | 43 | $url .= '/' unless $url =~ m{/$}; |
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[59] | 44 | return URI->new($url); |
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[5] | 45 | } |
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| 46 | |
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[59] | 47 | sub find_or_new { |
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[5] | 48 | my $self = shift; |
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| 49 | |
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[59] | 50 | my $bookmark = $self->bookmarks->get_bookmark({ uri => $self->request->param('uri') }); |
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| 51 | if ($bookmark) { |
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| 52 | # redirect to the view of the existing bookmark |
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| 53 | return [301, [Location => $bookmark->bookmark_uri], []]; |
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| 54 | } else { |
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| 55 | # bookmark was not found; show the form to create a new bookmark |
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| 56 | my $template = Template->new; |
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| 57 | $template->process( |
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| 58 | 'bookmark.tt', |
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[66] | 59 | { |
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| 60 | bookmark => { |
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| 61 | uri => $self->request->param('uri'), |
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| 62 | title => $self->request->param('title') || '', |
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| 63 | }, |
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[59] | 64 | }, |
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| 65 | \my $output, |
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| 66 | ); |
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| 67 | return [404, ['Content-Type' => 'text/html; charset=UTF-8'], [$output]]; |
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[5] | 68 | } |
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[59] | 69 | } |
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[5] | 70 | |
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[59] | 71 | sub list { |
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| 72 | my $self = shift; |
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| 73 | |
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[5] | 74 | # list all the bookmarks |
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[59] | 75 | my $mtime = $self->bookmarks->get_last_modified_time; |
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[57] | 76 | |
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[59] | 77 | my $format = $self->request->param('format') || 'html'; |
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[35] | 78 | |
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[59] | 79 | my @tags = grep { $_ ne '' } $self->request->param('tag'); |
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| 80 | my $query = $self->request->param('q'); |
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| 81 | my $limit = $self->request->param('limit'); |
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| 82 | my $offset = $self->request->param('offset'); |
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[68] | 83 | |
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| 84 | my $list = $self->bookmarks->get_bookmarks({ |
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[52] | 85 | query => $query, |
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[20] | 86 | tag => \@tags, |
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[13] | 87 | limit => $limit, |
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| 88 | offset => $offset, |
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| 89 | }); |
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[5] | 90 | |
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[68] | 91 | my $as_format = "as_$format"; |
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| 92 | if (!$list->meta->has_method($as_format)) { |
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| 93 | return [406, ['Content-Type' => 'text/plain; charset=UTF-8'], [qq{"$format" is not a supported format}]]; |
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[5] | 94 | } |
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[68] | 95 | return $list->$as_format; |
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[5] | 96 | } |
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| 97 | |
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[9] | 98 | sub feed { |
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| 99 | my $self = shift; |
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| 100 | |
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[59] | 101 | my $query = $self->request->param('q'); |
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| 102 | my @tags = grep { $_ ne '' } $self->request->param('tag'); |
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[31] | 103 | |
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[9] | 104 | # construct a feed from the most recent 12 bookmarks |
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[68] | 105 | my $list = $self->bookmarks->get_bookmarks({ query => $query, tag => \@tags, limit => 12 }); |
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| 106 | return $list->as_atom; |
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[9] | 107 | } |
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| 108 | |
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[62] | 109 | # returns 1 if there is an If-Modified-Since header and it is newer than the given $mtime |
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| 110 | # returns 0 if there is an If-Modified-Since header but the $mtime is newer |
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| 111 | # returns undef if there is no If-Modified-Since header |
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[67] | 112 | sub _request_is_newer_than { |
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[62] | 113 | my $self = shift; |
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| 114 | my $mtime = shift; |
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| 115 | |
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| 116 | # check If-Modified-Since header to return cache response |
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| 117 | if ($self->request->env->{HTTP_IF_MODIFIED_SINCE}) { |
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| 118 | my $cache_time = str2time($self->request->env->{HTTP_IF_MODIFIED_SINCE}); |
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| 119 | return $mtime <= $cache_time ? 1 : 0; |
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| 120 | } else { |
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| 121 | return; |
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| 122 | } |
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| 123 | } |
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| 124 | |
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[5] | 125 | sub view { |
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[59] | 126 | my ($self, $id) = @_; |
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[5] | 127 | |
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[59] | 128 | my $format = $self->request->param('format') || 'html'; |
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| 129 | |
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| 130 | my $bookmark = $self->get_bookmark({ id => $id }); |
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[5] | 131 | if ($bookmark) { |
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[67] | 132 | return [304, [], []] if $self->_request_is_newer_than($bookmark->mtime); |
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[62] | 133 | |
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[59] | 134 | my $last_modified = time2str($bookmark->mtime); |
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[57] | 135 | |
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[30] | 136 | if ($format eq 'json') { |
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[59] | 137 | my $json = decode_utf8(JSON->new->utf8->convert_blessed->encode($bookmark)); |
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| 138 | return [200, ['Content-Type' => 'application/json; charset=UTF-8', 'Last-Modified' => $last_modified], [$json]]; |
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[5] | 139 | } else { |
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[30] | 140 | # display the bookmark form for this bookmark |
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[59] | 141 | my $template = Template->new; |
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| 142 | $template->process( |
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[30] | 143 | 'bookmark.tt', |
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[66] | 144 | { bookmark => $bookmark }, |
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[59] | 145 | \my $output, |
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[30] | 146 | ); |
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[59] | 147 | return [200, ['Content-Type' => 'text/html; charset=UTF-8', 'Last-Modified' => $last_modified], [$output]]; |
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[30] | 148 | } |
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| 149 | } else { |
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[59] | 150 | return [404, ['Content-Type' => 'text/plain; charset=UTF-8'], ["Boomark $id not found"]]; |
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[30] | 151 | } |
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| 152 | } |
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| 153 | |
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| 154 | sub view_field { |
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[59] | 155 | my ($self, $id, $field) = @_; |
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[30] | 156 | |
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[62] | 157 | my $bookmark = $self->get_bookmark({ id => $id }); |
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[30] | 158 | if ($bookmark) { |
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[67] | 159 | return [304, [], []] if $self->_request_is_newer_than($bookmark->mtime); |
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[62] | 160 | |
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[63] | 161 | # check whether the requested field is part of the bookmark |
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| 162 | if (!$bookmark->meta->has_attribute($field)) { |
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| 163 | return [404, ['Content-Type' => 'text/plain; charset=UTF-8'], [qq{"$field" is not a valid bookmark data field}]]; |
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[5] | 164 | } |
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[63] | 165 | |
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| 166 | # respond with just the requested field as plain text |
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| 167 | my $value = $bookmark->$field; |
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[62] | 168 | my $last_modified = time2str($bookmark->mtime); |
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| 169 | return [200, ['Content-Type' => 'text/plain; charset=UTF-8', 'Last-Modified' => $last_modified], [ref $value eq 'ARRAY' ? join(' ', @{ $value }) : $value]]; |
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[5] | 170 | } else { |
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[59] | 171 | return [404, ['Content-Type' => 'text/plain; charset=UTF-8'], ["Boomark $id not found"]]; |
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[5] | 172 | } |
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| 173 | } |
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| 174 | |
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[63] | 175 | sub create_and_redirect { |
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[5] | 176 | my $self = shift; |
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[59] | 177 | |
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| 178 | my $uri = $self->request->param('uri'); |
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| 179 | my $title = $self->request->param('title'); |
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| 180 | my @tags = split ' ', $self->request->param('tags'); |
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| 181 | |
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| 182 | my $bookmark = $self->bookmarks->add({ |
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[5] | 183 | uri => $uri, |
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| 184 | title => $title, |
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| 185 | tags => \@tags, |
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| 186 | }); |
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| 187 | |
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[59] | 188 | #TODO: not RESTful; the proper RESTful response would be a 201 |
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| 189 | return [303, ['Location' => $bookmark->bookmark_uri->canonical], []]; |
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[5] | 190 | } |
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| 191 | |
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[63] | 192 | sub update_and_redirect { |
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[45] | 193 | my $self = shift; |
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[59] | 194 | my $id = shift; |
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[45] | 195 | |
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[59] | 196 | my $bookmark = $self->bookmarks->get_bookmark({ id => $id }); |
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[45] | 197 | if ($bookmark) { |
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| 198 | # update the URI, title, and tags |
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[59] | 199 | $bookmark->uri($self->request->param('uri')); |
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| 200 | $bookmark->title($self->request->param('title')); |
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| 201 | $bookmark->tags([ split ' ', $self->request->param('tags') || '' ]); |
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[45] | 202 | |
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[46] | 203 | # write to the database |
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[59] | 204 | $self->bookmarks->update($bookmark); |
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[46] | 205 | |
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[59] | 206 | #TODO: not RESTful; proper response would be a 200 |
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| 207 | return [303, ['Location' => $bookmark->bookmark_uri->canonical], []]; |
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[45] | 208 | } else { |
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[59] | 209 | return [404, ['Content-Type' => 'text/plain; charset=UTF-8'], ["Boomark $id not found"]]; |
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[45] | 210 | } |
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| 211 | } |
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| 212 | |
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[5] | 213 | 1; |
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