actions/peoplesearch.php

   1 <?php
   2 /*
   3  * Laconica - a distributed open-source microblogging tool
   4  * Copyright (C) 2008, Controlez-Vous, Inc.
   5  *
   6  * This program is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU Affero General Public License as published by
   8  * the Free Software Foundation, either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU Affero General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Affero General Public License
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 if (!defined('LACONICA')) { exit(1); }
  21
  22 require_once(INSTALLDIR.'/lib/searchaction.php');
  23 define('PROFILES_PER_PAGE', 10);
  24
  25 class PeoplesearchAction extends SearchAction {
  26
  27         function get_instructions() {
  28                 return _('Search for people on %%site.name%% by their name, location, or interests. ' .
  29                                   'Separate the terms by spaces; they must be 3 characters or more.');
  30         }
  31
  32         function get_title() {
  33                 return _('People search');
  34         }
  35
  36         function show_results($q, $page) {
  37
  38                 $profile = new Profile();
  39
  40                 # lcase it for comparison
  41                 $q = strtolower($q);
  42
  43                 if(common_config('db','type')=='mysql') {
  44                         $profile->whereAdd('MATCH(nickname, fullname, location, bio, homepage) ' .
  45                                                    'against (\''.addslashes($q).'\')');
  46                 } else {
  47                         $profile->whereAdd('textsearch @@ plainto_tsquery(\''.addslashes($q).'\')');
  48                 }
  49
  50                 # Ask for an extra to see if there's more.
  51
  52                 $profile->limit((($page-1)*PROFILES_PER_PAGE), PROFILES_PER_PAGE + 1);
  53
  54                 $cnt = $profile->find();
  55
  56                 if ($cnt > 0) {
  57                         $terms = preg_split('/[\s,]+/', $q);
  58                         common_element_start('ul', array('id' => 'profiles'));
  59                         for ($i = 0; $i < min($cnt, PROFILES_PER_PAGE); $i++) {
  60                                 if ($profile->fetch()) {
  61                                         $this->show_profile($profile, $terms);
  62                                 } else {
  63                                         // shouldn't happen!
  64                                         break;
  65                                 }
  66                         }
  67                         common_element_end('ul');
  68                 } else {
  69                         common_element('p', 'error', _('No results'));
  70                 }
  71
  72                 common_pagination($page > 1, $cnt > PROFILES_PER_PAGE,
  73                                                   $page, 'peoplesearch', array('q' => $q));
  74         }
  75
  76         function show_profile($profile, $terms) {
  77                 common_element_start('li', array('class' => 'profile_single',
  78                                                                                  'id' => 'profile-' . $profile->id));
  79                 $avatar = $profile->getAvatar(AVATAR_STREAM_SIZE);
  80                 common_element_start('a', array('href' => $profile->profileurl));
  81                 common_element('img', array('src' => ($avatar) ? common_avatar_display_url($avatar) : common_default_avatar(AVATAR_STREAM_SIZE),
  82                                                                         'class' => 'avatar stream',
  83                                                                         'width' => AVATAR_STREAM_SIZE,
  84                                                                         'height' => AVATAR_STREAM_SIZE,
  85                                                                         'alt' =>
  86                                                                         ($profile->fullname) ? $profile->fullname :
  87                                                                         $profile->nickname));
  88                 common_element_end('a');
  89                 common_element_start('p');
  90                 common_element_start('a', array('href' => $profile->profileurl,
  91                                                                                 'class' => 'nickname'));
  92                 common_raw($this->highlight($profile->nickname, $terms));
  93                 common_element_end('a');
  94                 if ($profile->fullname) {
  95                         common_text(' | ');
  96                         common_element_start('span', 'fullname');
  97                         common_raw($this->highlight($profile->fullname, $terms));
  98                         common_element_end('span');
  99                 }
 100                 if ($profile->location) {
 101                         common_text(' | ');
 102                         common_element_start('span', 'location');
 103                         common_raw($this->highlight($profile->location, $terms));
 104                         common_element_end('span');
 105                 }
 106                 common_element_end('p');
 107                 if ($profile->homepage) {
 108                         common_element_start('p', 'website');
 109                         common_element_start('a', array('href' => $profile->homepage));
 110                         common_raw($this->highlight($profile->homepage, $terms));
 111                         common_element_end('a');
 112                         common_element_end('p');
 113                 }
 114                 if ($profile->bio) {
 115                         common_element_start('p', 'bio');
 116                         common_raw($this->highlight($profile->bio, $terms));
 117                         common_element_end('p');
 118                 }
 119                 common_element_end('li');
 120         }
 121
 122         function highlight($text, $terms) {
 123                 $terms = array_map('preg_quote', array_map('htmlspecialchars', $terms));
 124                 $pattern = '/('.implode('|',$terms).')/i';
 125                 $result = preg_replace($pattern, '<strong>\\1</strong>', htmlspecialchars($text));
 126                 return $result;
 127         }
 128 }