Changeset 46 in bookmarks for trunk/Bookmark.pm
- Timestamp:
- 06/03/13 17:57:19 (11 years ago)
- File:
-
- 1 edited
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trunk/Bookmark.pm
r45 r46 37 37 } 38 38 39 sub update {40 my $self = shift;41 # TODO: store the dbh somewhere better, or use a more generic "Bookmark Store" object42 my $dbh = shift;43 my $mtime = time;44 45 my $changed_uri = 0;46 my $sth_current = $dbh->prepare('select uri from bookmarks where id = ?');47 $sth_current->execute($self->id);48 my ($stored_uri) = $sth_current->fetchrow_array;49 50 if ($stored_uri ne $self->uri) {51 # the URI has changed52 my $sth_update_uri = $dbh->prepare('update resources set uri = ? where uri = ?');53 $sth_update_uri->execute($self->uri, $stored_uri);54 $changed_uri++;55 }56 57 # update the title58 # TODO: only do this if the title has changed59 # TODO: should we update mtime if the title changes?60 my $sth_update = $dbh->prepare('update resources set title = ? where uri = ?');61 $sth_update->execute($self->title, $self->uri);62 63 # update the tags64 my $changed_tags = 0;65 my %new_tags = map { $_ => 1 } @{ $self->tags };66 my $sth_delete_tag = $dbh->prepare('delete from tags where uri = ? and tag = ?');67 my $sth_insert_tag = $dbh->prepare('insert into tags (uri, tag) values (?, ?)');68 my $sth_current_tags = $dbh->prepare('select tag from tags where uri = ?');69 $sth_current_tags->execute($self->uri);70 while (my ($tag) = $sth_current_tags->fetchrow_array) {71 if (!$new_tags{$tag}) {72 # if a current tag is not in the new tags, remove it from the database73 $sth_delete_tag->execute($self->uri, $tag);74 $changed_tags++;75 } else {76 # if a new tag is already in the database, remove it from the list of tags to add77 delete $new_tags{$tag};78 }79 }80 for my $tag (keys %new_tags) {81 $sth_insert_tag->execute($self->uri, $tag);82 $changed_tags++;83 }84 85 if ($changed_uri or $changed_tags) {86 # update the mtime if the bookmark already existed but the tags were changed87 my $sth_update = $dbh->prepare('update bookmarks set mtime = ? where uri = ?');88 $sth_update->execute($mtime, $self->uri);89 }90 91 # return the bookmark92 return $self;93 }94 95 39 # module return 96 40 1;
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