src/Model/Term.php

   1 <?php
   2 /**
   3  * @file src/Model/Term
   4  */
   5 namespace Friendica\Model;
   6
   7 use Friendica\Core\System;
   8 use Friendica\Database\DBM;
   9 use dba;
  10
  11 require_once 'boot.php';
  12 require_once 'include/dba.php';
  13
  14 class Term
  15 {
  16         public static function insertFromTagFieldByItemId($itemid)
  17         {
  18                 $profile_base = System::baseUrl();
  19                 $profile_data = parse_url($profile_base);
  20                 $profile_path = defaults($profile_data, 'path', '');
  21                 $profile_base_friendica = $profile_data['host'] . $profile_path . '/profile/';
  22                 $profile_base_diaspora = $profile_data['host'] . $profile_path . '/u/';
  23
  24                 $fields = ['guid', 'uid', 'id', 'edited', 'deleted', 'created', 'received', 'title', 'body', 'tag', 'parent'];
  25                 $message = dba::selectFirst('item', $fields, ['id' => $itemid]);
  26                 if (!DBM::is_result($message)) {
  27                         return;
  28                 }
  29
  30                 // Clean up all tags
  31                 dba::e("DELETE FROM `term` WHERE `otype` = ? AND `oid` = ? AND `type` IN (?, ?)",
  32                         TERM_OBJ_POST, $itemid, TERM_HASHTAG, TERM_MENTION);
  33
  34                 if ($message['deleted']) {
  35                         return;
  36                 }
  37
  38                 $taglist = explode(',', $message['tag']);
  39
  40                 $tags_string = '';
  41                 foreach ($taglist as $tag) {
  42                         if ((substr(trim($tag), 0, 1) == '#') || (substr(trim($tag), 0, 1) == '@')) {
  43                                 $tags_string .= ' ' . trim($tag);
  44                         } else {
  45                                 $tags_string .= ' #' . trim($tag);
  46                         }
  47                 }
  48
  49                 $data = ' ' . $message['title'] . ' ' . $message['body'] . ' ' . $tags_string . ' ';
  50
  51                 // ignore anything in a code block
  52                 $data = preg_replace('/\[code\](.*?)\[\/code\]/sm', '', $data);
  53
  54                 $tags = [];
  55
  56                 $pattern = '/\W\#([^\[].*?)[\s\'".,:;\?!\[\]\/]/ism';
  57                 if (preg_match_all($pattern, $data, $matches)) {
  58                         foreach ($matches[1] as $match) {
  59                                 $tags['#' . strtolower($match)] = '';
  60                         }
  61                 }
  62
  63                 $pattern = '/\W([\#@])\[url\=(.*?)\](.*?)\[\/url\]/ism';
  64                 if (preg_match_all($pattern, $data, $matches, PREG_SET_ORDER)) {
  65                         foreach ($matches as $match) {
  66                                 $tags[$match[1] . strtolower(trim($match[3], ',.:;[]/\"?!'))] = $match[2];
  67                         }
  68                 }
  69
  70                 foreach ($tags as $tag => $link) {
  71                         if (substr(trim($tag), 0, 1) == '#') {
  72                                 // try to ignore #039 or #1 or anything like that
  73                                 if (ctype_digit(substr(trim($tag), 1))) {
  74                                         continue;
  75                                 }
  76
  77                                 // try to ignore html hex escapes, e.g. #x2317
  78                                 if ((substr(trim($tag), 1, 1) == 'x' || substr(trim($tag), 1, 1) == 'X') && ctype_digit(substr(trim($tag), 2))) {
  79                                         continue;
  80                                 }
  81
  82                                 $type = TERM_HASHTAG;
  83                                 $term = substr($tag, 1);
  84                         } elseif (substr(trim($tag), 0, 1) == '@') {
  85                                 $type = TERM_MENTION;
  86                                 $term = substr($tag, 1);
  87                         } else { // This shouldn't happen
  88                                 $type = TERM_HASHTAG;
  89                                 $term = $tag;
  90                         }
  91
  92                         if ($message['uid'] == 0) {
  93                                 $global = true;
  94                                 dba::update('term', ['global' => true], ['otype' => TERM_OBJ_POST, 'guid' => $message['guid']]);
  95                         } else {
  96                                 $global = dba::exists('term', ['uid' => 0, 'otype' => TERM_OBJ_POST, 'guid' => $message['guid']]);
  97                         }
  98
  99                         dba::insert('term', [
 100                                 'uid'      => $message['uid'],
 101                                 'oid'      => $itemid,
 102                                 'otype'    => TERM_OBJ_POST,
 103                                 'type'     => $type,
 104                                 'term'     => $term,
 105                                 'url'      => $link,
 106                                 'guid'     => $message['guid'],
 107                                 'created'  => $message['created'],
 108                                 'received' => $message['received'],
 109                                 'global'   => $global
 110                         ]);
 111
 112                         // Search for mentions
 113                         if ((substr($tag, 0, 1) == '@') && (strpos($link, $profile_base_friendica) || strpos($link, $profile_base_diaspora))) {
 114                                 $users = q("SELECT `uid` FROM `contact` WHERE self AND (`url` = '%s' OR `nurl` = '%s')", $link, $link);
 115                                 foreach ($users AS $user) {
 116                                         if ($user['uid'] == $message['uid']) {
 117                                                 dba::update('item', ['mention' => true], ['id' => $itemid]);
 118                                                 dba::update('thread', ['mention' => true], ['iid' => $message['parent']]);
 119                                         }
 120                                 }
 121                         }
 122                 }
 123         }
 124
 125         /**
 126          * @param integer $itemid item id
 127          * @return void
 128          */
 129         public static function insertFromFileFieldByItemId($itemid)
 130         {
 131                 $message = dba::selectFirst('item', ['uid', 'deleted', 'file'], ['id' => $itemid]);
 132                 if (!DBM::is_result($message)) {
 133                         return;
 134                 }
 135
 136                 // Clean up all tags
 137                 q("DELETE FROM `term` WHERE `otype` = %d AND `oid` = %d AND `type` IN (%d, %d)",
 138                         intval(TERM_OBJ_POST),
 139                         intval($itemid),
 140                         intval(TERM_FILE),
 141                         intval(TERM_CATEGORY));
 142
 143                 if ($message["deleted"]) {
 144                         return;
 145                 }
 146
 147                 if (preg_match_all("/\[(.*?)\]/ism", $message["file"], $files)) {
 148                         foreach ($files[1] as $file) {
 149                                 dba::insert('term', [
 150                                         'uid' => $message["uid"],
 151                                         'oid' => $itemid,
 152                                         'otype' => TERM_OBJ_POST,
 153                                         'type' => TERM_FILE,
 154                                         'term' => $file
 155                                 ]);
 156                         }
 157                 }
 158
 159                 if (preg_match_all("/\<(.*?)\>/ism", $message["file"], $files)) {
 160                         foreach ($files[1] as $file) {
 161                                 dba::insert('term', [
 162                                         'uid' => $message["uid"],
 163                                         'oid' => $itemid,
 164                                         'otype' => TERM_OBJ_POST,
 165                                         'type' => TERM_CATEGORY,
 166                                         'term' => $file
 167                                 ]);
 168                         }
 169                 }
 170         }
 171 }