504 lines
18 KiB
Perl
504 lines
18 KiB
Perl
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#!/usr/bin/perl
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#
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# DW::Controller::Search::Interests
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#
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# Interest search, based on code from LiveJournal.
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#
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# Authors:
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# Jen Griffin <kareila@livejournal.com>
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#
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# Copyright (c) 2010 by Dreamwidth Studios, LLC.
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#
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# This program is free software; you may redistribute it and/or modify it under
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# the same terms as Perl itself. For a copy of the license, please reference
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# 'perldoc perlartistic' or 'perldoc perlgpl'.
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#
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package DW::Controller::Search::Interests;
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use strict;
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use warnings;
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use DW::Routing;
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use DW::Template;
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use DW::Controller;
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use LJ::Global::Constants;
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use LJ::Stats;
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DW::Routing->register_string( '/interests', \&interest_handler, app => 1 );
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sub interest_handler {
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my $r = DW::Request->get;
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my $did_post = $r->did_post;
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my $args = $did_post ? $r->post_args : $r->get_args;
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return error_ml('bml.badinput.body1') unless LJ::text_in($args);
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return error_ml('error.invalidform')
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if $did_post && !LJ::check_form_auth( $args->{lj_form_auth} );
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# do mode logic first, to save typing later
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my $mode = '';
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$mode = 'int' if $args->{int} || $args->{intid};
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$mode = 'popular' if $args->{view} && $args->{view} eq "popular";
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if ( $args->{mode} ) {
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$mode = 'add' if $args->{mode} eq "add" && $args->{intid};
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$mode = 'addnew' if $args->{mode} eq "addnew" && $args->{keyword};
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$mode = 'findsim_do' if !$did_post && $args->{mode} eq "findsim_do";
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$mode = 'enmasse' if !$did_post && $args->{mode} eq "enmasse";
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$mode = 'enmasse_do' if $did_post && $args->{mode} eq "enmasse_do";
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}
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# check whether authentication is needed or authas is allowed
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# default is to allow anonymous users, except for certain modes
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my $anon = ( $mode eq "add" || $mode eq "addnew" ) ? 0 : 1;
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my $authas = 0;
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( $anon, $authas ) = ( 0, 1 )
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if $mode eq ( $did_post ? "enmasse_do" : "enmasse" );
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my ( $ok, $rv ) = controller( anonymous => $anon, authas => $authas );
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return $rv unless $ok;
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my $remote = $rv->{remote};
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my $maxinterests = $remote ? $remote->count_max_interests : 0;
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$rv->{can_use_popular} = LJ::is_enabled('interests-popular');
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$rv->{can_use_findsim} =
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LJ::is_enabled('interests-findsim')
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&& $remote
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&& $remote->can_find_similar;
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# now do argument checking and database work for each mode
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if ( $mode eq 'popular' ) {
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return error_ml('interests.popular.disabled')
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unless $rv->{can_use_popular};
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$rv->{no_text_mode} = 1
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unless $args->{mode} && $args->{mode} eq 'text';
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my $rows = LJ::Stats::get_popular_interests();
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my %interests;
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foreach my $int_array (@$rows) {
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my ( $int, $count ) = @$int_array;
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$interests{$int} = {
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eint => LJ::ehtml($int),
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url => "/interests?int=" . LJ::eurl($int),
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value => $count
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};
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}
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$rv->{pop_cloud} = LJ::tag_cloud( \%interests );
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$rv->{pop_ints} =
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[ sort { $b->{value} <=> $a->{value} || $a->{eint} cmp $b->{eint} } values %interests ]
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if %interests;
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return DW::Template->render_template( 'interests/popular.tt', $rv );
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}
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if ( $mode eq 'add' || $mode eq 'addnew' ) {
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my $rints = $remote->get_interests();
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return error_ml( "interests.add.toomany", { maxinterests => $maxinterests } )
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if scalar(@$rints) >= $maxinterests;
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my @intids;
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if ( $mode eq "add" ) {
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# adding an existing interest, so we have an intid to work with
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@intids = ( $args->{intid} + 0 );
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}
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else {
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# adding a new interest
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my @keywords = LJ::interest_string_to_list( $args->{keyword} );
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my @validate = LJ::validate_interest_list(@keywords);
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@intids = map { LJ::get_sitekeyword_id($_) } @validate;
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}
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@intids = grep { $_ } @intids; # ignore any zeroes
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return error_ml('error.invalidform') unless @intids;
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# force them to either come from the interests page, or have posted the request.
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# if both fail, ask them to confirm with a post form.
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# (only uses first interest; edge case not worth the trouble to fix)
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unless ( $did_post || LJ::check_referer('/interests') ) {
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my $int = LJ::get_interest( $intids[0] );
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LJ::text_out( \$int );
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$rv->{need_post} = { int => $int, intid => $intids[0] };
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}
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else { # let the user add the interest
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$remote->interest_update( add => \@intids );
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}
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return DW::Template->render_template( 'interests/add.tt', $rv );
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}
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if ( $mode eq 'findsim_do' ) {
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return error_ml('error.tempdisabled')
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unless LJ::is_enabled('interests-findsim');
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return error_ml('interests.findsim_do.account.notallowed')
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unless $rv->{can_use_findsim};
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my $u = LJ::load_user( $args->{user} )
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or return error_ml('error.username_notfound');
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my $uitable = $u->is_comm ? 'comminterests' : 'userinterests';
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my $dbr = LJ::get_db_reader();
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my $sth =
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$dbr->prepare( "SELECT i.intid, i.intcount "
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. "FROM $uitable ui, interests i "
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. "WHERE ui.userid=? AND ui.intid=i.intid" );
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$sth->execute( $u->userid );
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my ( @ints, %intcount, %pt_count, %pt_weight );
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while ( my ( $intid, $count ) = $sth->fetchrow_array ) {
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push @ints, $intid;
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$intcount{$intid} = $count || 1;
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}
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return error_ml( 'interests.findsim_do.notdefined', { user => $u->ljuser_display } )
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unless @ints;
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# the magic's in this limit clause. that's what makes this work.
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# perfect results? no. but who cares if somebody that lists "music"
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# or "reading" doesn't get an extra point towards matching you.
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# we care about more unique interests.
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foreach (qw( userinterests comminterests )) {
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$sth = $dbr->prepare("SELECT userid FROM $_ WHERE intid=? LIMIT 300");
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foreach my $int (@ints) {
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$sth->execute($int);
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while ( my $uid = $sth->fetchrow_array ) {
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next if $uid == $u->userid;
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$pt_weight{$uid} += ( 1 / log( $intcount{$int} + 1 ) );
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$pt_count{$uid}++;
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}
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}
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}
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my %magic; # balanced points
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$magic{$_} = $pt_weight{$_} * 10 + $pt_count{$_} foreach keys %pt_count;
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my @matches = sort { $magic{$b} <=> $magic{$a} } keys %magic;
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@matches = @matches[ 0 .. ( $maxinterests - 1 ) ]
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if scalar(@matches) > $maxinterests;
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# load user objects
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my $users = LJ::load_userids(@matches);
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my $nocircle = $remote && $args->{nocircle};
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my $count = { P => 0, C => 0, I => 0 };
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my $data = { P => [], C => [], I => [] };
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foreach my $uid (@matches) {
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my $match_u = $users->{$uid};
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next unless $match_u && $match_u->is_visible;
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if ($nocircle) {
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next if $remote->watches($match_u);
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next if $match_u->is_person && $remote->trusts($match_u);
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next if $match_u->is_comm && $remote->member_of($match_u);
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}
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my $j = $match_u->journaltype;
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push @{ $data->{$j} },
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{
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count => ++$count->{$j},
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user => $match_u->ljuser_display,
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magic => sprintf( "%.3f", $magic{$uid} )
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};
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}
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return error_ml( 'interests.findsim_do.nomatch', { user => $u->ljuser_display } )
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unless grep { $_ } values %$count;
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$rv->{findsim_u} = $u;
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$rv->{findsim_count} = $count;
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$rv->{findsim_data} = $data;
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$rv->{nocircle} = $nocircle;
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$rv->{circle_link} = LJ::page_change_getargs( nocircle => $nocircle ? '' : 1 );
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return DW::Template->render_template( 'interests/findsim.tt', $rv );
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}
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if ( $mode eq 'enmasse' ) {
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my $u = $rv->{u};
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my $username = $u->user;
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my $altauthas = $remote->user ne $username;
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$rv->{getextra} = $altauthas ? "?authas=$username" : '';
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my $fromu = LJ::load_user( $args->{fromuser} || $username )
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or return error_ml('error.username_notfound');
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$rv->{fromu} = $fromu;
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my %uint;
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my %fromint = %{ $fromu->interests }
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or return error_ml('interests.error.nointerests');
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$rv->{allintids} = join( ",", values %fromint );
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if ( $u->equals($fromu) ) {
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%uint = %fromint;
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$rv->{enmasse_body} = '.enmasse.body.you';
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}
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else {
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%uint = %{ $u->interests };
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my $other = $altauthas ? 'other_authas' : 'other';
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$rv->{enmasse_body} = ".enmasse.body.$other";
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}
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my @checkdata;
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foreach my $fint ( sort keys %fromint ) {
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push @checkdata,
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{
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checkid => "int_$fromint{$fint}",
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is_checked => $uint{$fint} ? 1 : 0,
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int => $fint
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};
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}
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$rv->{enmasse_data} = \@checkdata;
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return DW::Template->render_template( 'interests/enmasse.tt', $rv );
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}
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if ( $mode eq 'enmasse_do' ) {
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my $u = $rv->{u};
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# $args is actually an object so we want a plain hashref
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my $argints = {};
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foreach my $key ( keys %$args ) {
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$argints->{$key} = $args->{$key} if $key =~ /^int_\d+$/;
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}
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my @fromints = map { $_ + 0 }
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split /\s*,\s*/, $args->{allintids};
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my $sync = $u->sync_interests( $argints, @fromints );
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my $result_ml = 'interests.results.';
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if ( $sync->{deleted} ) {
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$result_ml .=
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$sync->{added} ? 'both'
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: $sync->{toomany} ? 'del_and_toomany'
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: 'deleted';
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}
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else {
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$result_ml .=
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$sync->{added} ? 'added'
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: $sync->{toomany} ? 'toomany'
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: 'nothing';
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}
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$rv->{enmasse_do_result} = $result_ml;
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$rv->{toomany} = $sync->{toomany} || 0;
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$rv->{fromu} = LJ::load_user( $args->{fromuser} )
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unless !$args->{fromuser}
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or $u->user eq $args->{fromuser};
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return DW::Template->render_template( 'interests/enmasse_do.tt', $rv );
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}
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if ( $mode eq 'int' ) {
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my $trunc_check = sub {
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my ( $check_int, $interest ) = @_;
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my $e_int = LJ::ehtml($check_int);
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# Determine whether the interest is too long:
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# 1. If the interest already exists, a long interest will result
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# in $check_int and $interest not matching.
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# 2. If it didn't already exist, we fall back on just checking
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# the length of $check_int.
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if ( ( $interest && $check_int ne $interest )
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|| length($check_int) > LJ::CMAX_SITEKEYWORD )
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{
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# The searched-for interest is too long, so use the short version.
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my $e_int_long = $e_int;
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$e_int = LJ::ehtml(
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$interest
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? $interest
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: substr( $check_int, 0, LJ::CMAX_SITEKEYWORD )
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);
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$rv->{warn_toolong} = ( $rv->{warn_toolong} ? $rv->{warn_toolong} . "<br />" : '' )
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. LJ::Lang::ml(
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'interests.error.longinterest',
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{
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sitename => $LJ::SITENAMESHORT,
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old_int => $e_int_long,
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new_int => $e_int,
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maxlen => LJ::CMAX_SITEKEYWORD
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}
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);
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}
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return $e_int;
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};
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my ( @intids, @intargs );
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if ( $args->{intid} ) {
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@intids = ( $args->{intid} + 0 );
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}
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else {
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@intargs = LJ::interest_string_to_list( $args->{int} );
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@intids = map { LJ::get_sitekeyword_id( $_, 0 ) || 0 } @intargs;
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}
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my $max_search = 3;
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if ( scalar @intids > $max_search ) {
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return error_ml( 'interests.error.toomany', { num => $max_search } );
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}
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my ( @intdata, @no_users, @not_interested );
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my $index = 0; # for referencing @intargs
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my $remote_interests = $remote ? $remote->interests : {};
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foreach my $intid (@intids) {
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my $intarg = @intargs ? $intargs[ $index++ ] : '';
|
||
|
|
my ( $interest, $intcount ) = LJ::get_interest($intid);
|
||
|
|
my $check_int = $intarg || $interest;
|
||
|
|
|
||
|
|
if (
|
||
|
|
LJ::Hooks::run_hook(
|
||
|
|
"interest_search_ignore",
|
||
|
|
query => $check_int,
|
||
|
|
intid => $intid
|
||
|
|
)
|
||
|
|
)
|
||
|
|
{
|
||
|
|
return error_ml('interests.error.ignored');
|
||
|
|
}
|
||
|
|
|
||
|
|
my $e_int = $trunc_check->( $check_int, $interest );
|
||
|
|
push @intdata, $e_int;
|
||
|
|
push @no_users, $e_int unless $intcount;
|
||
|
|
|
||
|
|
$rv->{allcount} = $intcount if scalar @intids == 1;
|
||
|
|
|
||
|
|
# check to see if the remote user already has the interest
|
||
|
|
push @not_interested, { int => $e_int, intid => $intid }
|
||
|
|
if defined $interest && !$remote_interests->{$interest};
|
||
|
|
}
|
||
|
|
|
||
|
|
$rv->{interest} = join ', ', @intdata;
|
||
|
|
$rv->{query_count} = scalar @intdata;
|
||
|
|
$rv->{no_users} = join ', ', @no_users;
|
||
|
|
$rv->{no_users_count} = scalar @no_users;
|
||
|
|
$rv->{not_interested} = $remote ? \@not_interested : [];
|
||
|
|
|
||
|
|
# if any one interest is unused, the search can't succeed
|
||
|
|
undef @intids if @no_users;
|
||
|
|
|
||
|
|
# filtering by account type
|
||
|
|
my @type_args = ( 'none', 'P', 'C', 'I' );
|
||
|
|
push @type_args, 'F' if $remote; # no circle if not logged in
|
||
|
|
$rv->{type_list} = \@type_args;
|
||
|
|
|
||
|
|
my $type = $args->{type};
|
||
|
|
$type = 'none' unless $type && $type =~ /^[PCIF]$/;
|
||
|
|
$type = 'none' if $type eq 'F' && !$remote; # just in case
|
||
|
|
|
||
|
|
$rv->{filtered} = $type ne 'none' ? 1 : 0;
|
||
|
|
|
||
|
|
# constructor for filter links
|
||
|
|
$rv->{type_link} = sub {
|
||
|
|
return '' if $type eq $_[0]; # no link for active selection
|
||
|
|
my $typearg = $_[0] eq 'none' ? '' : $_[0];
|
||
|
|
return LJ::page_change_getargs( type => $typearg );
|
||
|
|
};
|
||
|
|
|
||
|
|
# determine which account types we need to search for
|
||
|
|
my $type_opts = {};
|
||
|
|
my %opt_map = (
|
||
|
|
C => 'nousers',
|
||
|
|
P => 'nocomms',
|
||
|
|
I => 'nocomms',
|
||
|
|
F => 'circle'
|
||
|
|
);
|
||
|
|
$type_opts = { $opt_map{$type} => 1 } if defined $opt_map{$type};
|
||
|
|
|
||
|
|
my @uids = LJ::users_with_all_ints( \@intids, $type_opts );
|
||
|
|
|
||
|
|
# determine the count of the full set for comparison
|
||
|
|
# (already set to intcount, unless we have multiple ints)
|
||
|
|
if ( $opt_map{$type} ) {
|
||
|
|
$rv->{allcount} ||= scalar LJ::users_with_all_ints( \@intids );
|
||
|
|
$rv->{allcount} //= 0; # scalar(undef) isn't zero
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
# we just did the full search; count the existing list
|
||
|
|
$rv->{allcount} ||= scalar @uids;
|
||
|
|
}
|
||
|
|
|
||
|
|
# limit results to 500 most recently updated journals
|
||
|
|
if ( scalar @uids > 500 ) {
|
||
|
|
my $dbr = LJ::get_db_reader();
|
||
|
|
my $qs = join ',', map { '?' } @uids;
|
||
|
|
my $uref = $dbr->selectall_arrayref(
|
||
|
|
"SELECT userid FROM userusage WHERE userid IN ($qs)
|
||
|
|
ORDER BY timeupdate DESC LIMIT 500", undef, @uids
|
||
|
|
);
|
||
|
|
die $dbr->errstr if $dbr->err;
|
||
|
|
@uids = map { $_->[0] } @$uref;
|
||
|
|
}
|
||
|
|
|
||
|
|
my $us = LJ::load_userids(@uids);
|
||
|
|
|
||
|
|
# prepare to filter and sort the results into @ul
|
||
|
|
|
||
|
|
my $typefilter = sub {
|
||
|
|
$rv->{comm_count}++ if $_[0]->is_community;
|
||
|
|
return 1 if $type eq 'none';
|
||
|
|
return 1 if $type eq 'F'; # already filtered
|
||
|
|
return $_[0]->journaltype eq $type;
|
||
|
|
};
|
||
|
|
|
||
|
|
my $should_show = sub {
|
||
|
|
return $_[0]->should_show_in_search_results( for => $remote );
|
||
|
|
};
|
||
|
|
|
||
|
|
my $updated = LJ::get_timeupdate_multi( keys %$us );
|
||
|
|
my $def_upd = sub { $updated->{ $_[0]->userid } || 0 };
|
||
|
|
|
||
|
|
# let undefined values be zero for sorting purposes
|
||
|
|
|
||
|
|
my @ul = sort { $def_upd->($b) <=> $def_upd->($a) || $a->user cmp $b->user }
|
||
|
|
grep { $_ && $typefilter->($_) && $should_show->($_) } values %$us;
|
||
|
|
$rv->{type_count} = scalar @ul if $rv->{allcount} != scalar @ul;
|
||
|
|
$rv->{comm_count} = 1 if $type_opts->{nocomms}; # doesn't count
|
||
|
|
|
||
|
|
if (@ul) {
|
||
|
|
|
||
|
|
# pagination
|
||
|
|
my $curpage = $args->{page} || 1;
|
||
|
|
my %items = LJ::paging( \@ul, $curpage, 30 );
|
||
|
|
my @data;
|
||
|
|
|
||
|
|
# subset of users to display on this page
|
||
|
|
foreach my $u ( @{ $items{items} } ) {
|
||
|
|
my $desc = LJ::ehtml( $u->prop('journaltitle') );
|
||
|
|
my $label = LJ::Lang::ml('search.user.journaltitle');
|
||
|
|
|
||
|
|
# community promo desc overrides journal title
|
||
|
|
if ( $u->is_comm
|
||
|
|
&& LJ::is_enabled('community_themes')
|
||
|
|
&& ( my $prop_theme = $u->prop("comm_theme") ) )
|
||
|
|
{
|
||
|
|
$label = LJ::Lang::ml('search.user.commdesc');
|
||
|
|
$desc = LJ::ehtml($prop_theme);
|
||
|
|
}
|
||
|
|
|
||
|
|
my $userpic = $u->userpic;
|
||
|
|
$userpic = $userpic ? $userpic->imgtag_lite : '';
|
||
|
|
|
||
|
|
my $updated =
|
||
|
|
$updated->{ $u->id }
|
||
|
|
? LJ::diff_ago_text( $updated->{ $u->id } )
|
||
|
|
: undef;
|
||
|
|
push @data,
|
||
|
|
{
|
||
|
|
u => $u,
|
||
|
|
updated => $updated,
|
||
|
|
icon => $userpic,
|
||
|
|
desc => $desc,
|
||
|
|
desclabel => $label
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
$rv->{navbar} = LJ::paging_bar( $items{page}, $items{pages} );
|
||
|
|
$rv->{data} = \@data;
|
||
|
|
}
|
||
|
|
|
||
|
|
return DW::Template->render_template( 'interests/int.tt', $rv );
|
||
|
|
}
|
||
|
|
|
||
|
|
# if we got to this point, we need to render the default template
|
||
|
|
return DW::Template->render_template( 'interests/index.tt', $rv );
|
||
|
|
}
|
||
|
|
|
||
|
|
1;
|