]> git.mxchange.org Git - friendica.git/blob - include/tags.php
"global" flag for terms that indicate if the term is present in the global posts.
[friendica.git] / include / tags.php
1 <?php
2 function create_tags_from_item($itemid) {
3         global $a;
4
5         $profile_base = $a->get_baseurl();
6         $profile_data = parse_url($profile_base);
7         $profile_base_friendica = $profile_data['host'].$profile_data['path']."/profile/";
8         $profile_base_diaspora = $profile_data['host'].$profile_data['path']."/u/";
9
10         $searchpath = $a->get_baseurl()."/search?tag=";
11
12         $messages = q("SELECT `guid`, `uid`, `id`, `edited`, `deleted`, `created`, `received`, `title`, `body`, `tag`, `parent` FROM `item` WHERE `id` = %d LIMIT 1", intval($itemid));
13
14         if (!$messages)
15                 return;
16
17         $message = $messages[0];
18
19         // Clean up all tags
20         q("DELETE FROM `term` WHERE `otype` = %d AND `oid` = %d AND `type` IN (%d, %d)",
21                 intval(TERM_OBJ_POST),
22                 intval($itemid),
23                 intval(TERM_HASHTAG),
24                 intval(TERM_MENTION));
25
26         if ($message["deleted"])
27                 return;
28
29         $taglist = explode(",", $message["tag"]);
30
31         $tags = "";
32         foreach ($taglist as $tag)
33                 if ((substr(trim($tag), 0, 1) == "#") OR (substr(trim($tag), 0, 1) == "@"))
34                         $tags .= " ".trim($tag);
35                 else
36                         $tags .= " #".trim($tag);
37
38         $data = " ".$message["title"]." ".$message["body"]." ".$tags." ";
39
40         $tags = array();
41
42         $pattern = "/\W\#([^\[].*?)[\s'\".,:;\?!\[\]\/]/ism";
43         if (preg_match_all($pattern, $data, $matches))
44                 foreach ($matches[1] as $match)
45                         $tags["#".strtolower($match)] = ""; // $searchpath.strtolower($match);
46
47         $pattern = "/\W([\#@])\[url\=(.*?)\](.*?)\[\/url\]/ism";
48         if (preg_match_all($pattern, $data, $matches, PREG_SET_ORDER)) {
49                 foreach ($matches as $match)
50                         $tags[$match[1].strtolower(trim($match[3], ',.:;[]/\"?!'))] = $match[2];
51         }
52
53         foreach ($tags as $tag=>$link) {
54
55                 if (substr(trim($tag), 0, 1) == "#") {
56                         // try to ignore #039 or #1 or anything like that
57                         if(ctype_digit(substr(trim($tag),1)))
58                                 continue;
59                         // try to ignore html hex escapes, e.g. #x2317
60                         if((substr(trim($tag),1,1) == 'x' || substr(trim($tag),1,1) == 'X') && ctype_digit(substr(trim($tag),2)))
61                                 continue;
62                         $type = TERM_HASHTAG;
63                         $term = substr($tag, 1);
64                 } elseif (substr(trim($tag), 0, 1) == "@") {
65                         $type = TERM_MENTION;
66                         $term = substr($tag, 1);
67                 } else { // This shouldn't happen
68                         $type = TERM_HASHTAG;
69                         $term = $tag;
70                 }
71
72                 if ($message["uid"] == 0) {
73                         $global = true;
74
75                         q("UPDATE `term` SET `global` = 1 WHERE `otype` = %d AND `guid` = '%s'",
76                                 intval(TERM_OBJ_POST), dbesc($message["guid"]));
77                 } else {
78                         $isglobal = q("SELECT `global` FROM `term` WHERE `uid` = 0 AND `otype` = %d AND `guid` = '%s'",
79                                 intval(TERM_OBJ_POST), dbesc($message["guid"]));
80
81                         $global = (count($isglobal) > 0);
82                 }
83
84                 $r = q("INSERT INTO `term` (`uid`, `oid`, `otype`, `type`, `term`, `url`, `guid`, `created`, `received`, `global`)
85                                 VALUES (%d, %d, %d, %d, '%s', '%s', '%s', '%s', '%s', %d)",
86                         intval($message["uid"]), intval($itemid), intval(TERM_OBJ_POST), intval($type), dbesc($term),
87                         dbesc($link), dbesc($message["guid"]), dbesc($message["created"]), dbesc($message["received"]), intval($global));
88
89                 // Search for mentions
90                 if ((substr($tag, 0, 1) == '@') AND (strpos($link, $profile_base_friendica) OR strpos($link, $profile_base_diaspora))) {
91                         $users = q("SELECT `uid` FROM `contact` WHERE self AND (`url` = '%s' OR `nurl` = '%s')", $link, $link);
92                         foreach ($users AS $user) {
93                                 if ($user["uid"] == $message["uid"]) {
94                                         q("UPDATE `item` SET `mention` = 1 WHERE `id` = %d", intval($itemid));
95
96                                         q("UPDATE `thread` SET `mention` = 1 WHERE `iid` = %d", intval($message["parent"]));
97                                 }
98                         }
99                 }
100         }
101 }
102
103 function create_tags_from_itemuri($itemuri, $uid) {
104         $messages = q("SELECT `id` FROM `item` WHERE uri ='%s' AND uid=%d", dbesc($itemuri), intval($uid));
105
106         if(count($messages)) {
107                 foreach ($messages as $message)
108                         create_tags_from_item($message["id"]);
109         }
110 }
111
112 function update_items() {
113         global $db;
114
115 //        $messages = $db->q("SELECT `oid`,`item`.`guid`, `item`.`created`, `item`.`received` FROM `term` INNER JOIN `item` ON `item`.`id`=`term`.`oid` WHERE `term`.`otype` = 1 AND `term`.`guid` = ''", true);
116         $messages = $db->q("SELECT `oid`,`item`.`guid`, `item`.`created`, `item`.`received` FROM `term` INNER JOIN `item` ON `item`.`id`=`term`.`oid` WHERE `term`.`otype` = 1", true);
117
118         logger("fetched messages: ".count($messages));
119         while ($message = $db->qfetch()) {
120
121                 if ($message["uid"] == 0) {
122                         $global = true;
123
124                         q("UPDATE `term` SET `global` = 1 WHERE `otype` = %d AND `guid` = '%s'",
125                                 intval(TERM_OBJ_POST), dbesc($message["guid"]));
126                 } else {
127                         $isglobal = q("SELECT `global` FROM `term` WHERE `uid` = 0 AND `otype` = %d AND `guid` = '%s'",
128                                 intval(TERM_OBJ_POST), dbesc($message["guid"]));
129
130                         $global = (count($isglobal) > 0);
131                 }
132 echo $message["created"]." - ".$message["guid"]."\n";
133                 q("UPDATE `term` SET `guid` = '%s', `created` = '%s', `received` = '%s', `global` = %d WHERE `otype` = %d AND `oid` = %d",
134                         dbesc($message["guid"]), dbesc($message["created"]), dbesc($message["received"]),
135                         intval($global), intval(TERM_OBJ_POST), intval($message["oid"]));
136         }
137
138         $db->qclose();
139 }
140 ?>