]> git.mxchange.org Git - friendica.git/blobdiff - src/Model/Tag.php
Merge pull request #8558 from annando/corrected-view
[friendica.git] / src / Model / Tag.php
index 7578372a9b29f0d5d6c71da4a533c330d17bffd7..cf453f2431356ec6e9498b3662050cae36ce773b 100644 (file)
 
 namespace Friendica\Model;
 
+use Friendica\Content\Text\BBCode;
 use Friendica\Core\Logger;
+use Friendica\Core\System;
 use Friendica\Database\DBA;
-use Friendica\Content\Text\BBCode;
+use Friendica\Util\Strings;
 
 /**
  * Class Tag
@@ -55,27 +57,231 @@ class Tag
        ];
 
        /**
-        * Store tags from the body
+        * Store tag/mention elements
         *
         * @param integer $uriid
-        * @param string $body
+        * @param integer $type
+        * @param string  $name
+        * @param string  $url
+        * @param boolean $probing
+        */
+       public static function store(int $uriid, int $type, string $name, string $url = '', $probing = true)
+       {
+               $name = trim($name, "\x00..\x20\xFF#!@");
+               if (empty($name)) {
+                       return;
+               }
+
+               $cid = 0;
+               $tagid = 0;
+
+               if (in_array($type, [Tag::MENTION, Tag::EXCLUSIVE_MENTION, Tag::IMPLICIT_MENTION])) {
+                       if (empty($url)) {
+                               // No mention without a contact url
+                               return;
+                       }
+
+                       if (!$probing) {
+                               $condition = ['nurl' => Strings::normaliseLink($url), 'uid' => 0, 'deleted' => false];
+                               $contact = DBA::selectFirst('contact', ['id'], $condition, ['order' => ['id']]);
+                               if (DBA::isResult($contact)) {
+                                       $cid = $contact['id'];
+                                       Logger::info('Got id for contact url', ['cid' => $cid, 'url' => $url]);
+                               }
+
+                               if (empty($cid)) {
+                                       $ssl_url = str_replace('http://', 'https://', $url);
+                                       $condition = ['`alias` IN (?, ?, ?) AND `uid` = ? AND NOT `deleted`', $url, Strings::normaliseLink($url), $ssl_url, 0];
+                                       $contact = DBA::selectFirst('contact', ['id'], $condition, ['order' => ['id']]);
+                                       if (DBA::isResult($contact)) {
+                                               $cid = $contact['id'];
+                                               Logger::info('Got id for contact alias', ['cid' => $cid, 'url' => $url]);
+                                       }
+                               }
+                       } else {
+                               $cid = Contact::getIdForURL($url, 0, true);
+                               Logger::info('Got id by probing', ['cid' => $cid, 'url' => $url]);
+                       }
+
+                       if (empty($cid)) {
+                               // The contact wasn't found in the system (most likely some dead account)
+                               // We ensure that we only store a single entry by overwriting the previous name
+                               Logger::info('Contact not found, updating tag', ['url' => $url, 'name' => $name]);
+                               DBA::update('tag', ['name' => substr($name, 0, 96)], ['url' => $url]);
+                       }
+               }
+
+               if (empty($cid)) {
+                       $fields = ['name' => substr($name, 0, 96), 'url' => ''];
+
+                       if (($type != Tag::HASHTAG) && !empty($url) && ($url != $name)) {
+                               $fields['url'] = strtolower($url);
+                       }
+
+                       $tag = DBA::selectFirst('tag', ['id'], $fields);
+                       if (!DBA::isResult($tag)) {
+                               DBA::insert('tag', $fields, true);
+                               $tagid = DBA::lastInsertId();
+                       } else {
+                               $tagid = $tag['id'];
+                       }
+
+                       if (empty($tagid)) {
+                               Logger::error('No tag id created', $fields);
+                               return;
+                       }
+               }
+
+               $fields = ['uri-id' => $uriid, 'type' => $type, 'tid' => $tagid, 'cid' => $cid];
+
+               if (in_array($type, [Tag::MENTION, Tag::EXCLUSIVE_MENTION, Tag::IMPLICIT_MENTION])) {
+                       $condition = $fields;
+                       $condition['type'] = [Tag::MENTION, Tag::EXCLUSIVE_MENTION, Tag::IMPLICIT_MENTION];
+                       if (DBA::exists('post-tag', $condition)) {
+                               Logger::info('Tag already exists', $fields);
+                               return;
+                       }
+               }
+
+               DBA::insert('post-tag', $fields, true);
+
+               Logger::info('Stored tag/mention', ['uri-id' => $uriid, 'tag-id' => $tagid, 'contact-id' => $cid, 'name' => $name, 'type' => $type, 'callstack' => System::callstack(8)]);
+       }
+
+       /**
+        * Store tag/mention elements
+        *
+        * @param integer $uriid
+        * @param string $hash
+        * @param string $name
+        * @param string $url
+        * @param boolean $probing
+        */
+       public static function storeByHash(int $uriid, string $hash, string $name, string $url = '', $probing = true)
+       {
+               $type = self::getTypeForHash($hash);
+               if ($type == self::UNKNOWN) {
+                       return;
+               }
+
+               self::store($uriid, $type, $name, $url, $probing);
+       }
+
+       /**
+        * Store tags and mentions from the body
+        * 
+        * @param integer $uriid   URI-Id
+        * @param string  $body    Body of the post
+        * @param string  $tags    Accepted tags
+        * @param boolean $probing Perform a probing for contacts, adding them if needed
+        */
+       public static function storeFromBody(int $uriid, string $body, string $tags = null, $probing = true)
+       {
+               if (is_null($tags)) {
+                       $tags =  self::TAG_CHARACTER[self::HASHTAG] . self::TAG_CHARACTER[self::MENTION] . self::TAG_CHARACTER[self::EXCLUSIVE_MENTION];
+               }
+
+               Logger::info('Check for tags', ['uri-id' => $uriid, 'hash' => $tags, 'callstack' => System::callstack()]);
+
+               if (!preg_match_all("/([" . $tags . "])\[url\=([^\[\]]*)\]([^\[\]]*)\[\/url\]/ism", $body, $result, PREG_SET_ORDER)) {
+                       return;
+               }
+
+               Logger::info('Found tags', ['uri-id' => $uriid, 'hash' => $tags, 'result' => $result]);
+
+               foreach ($result as $tag) {
+                       self::storeByHash($uriid, $tag[1], $tag[3], $tag[2], $probing);
+               }
+       }
+
+       /**
+        * Store raw tags (not encapsulated in links) from the body
+        * This function is needed in the intermediate phase.
+        * Later we can call item::setHashtags in advance to have all tags converted.
+        * 
+        * @param integer $uriid URI-Id
+        * @param string  $body   Body of the post
         */
-       public static function storeFromBody(int $uriid, string $body)
+       public static function storeRawTagsFromBody(int $uriid, string $body)
        {
-               $tags = BBCode::getTags($body);
-               if (empty($tags)) {
+               Logger::info('Check for tags', ['uri-id' => $uriid, 'callstack' => System::callstack()]);
+
+               $result = BBCode::getTags($body);
+               if (empty($result)) {
                        return;
                }
 
-               foreach ($tags as $tag) {
-                       if ((substr($tag, 0, 1) != self::TAG_CHARACTER[self::HASHTAG]) || (strlen($tag) <= 1)) {
-                               Logger::info('Skip tag', ['uriid' => $uriid, 'tag' => $tag]);
+               Logger::info('Found tags', ['uri-id' => $uriid, 'result' => $result]);
+
+               foreach ($result as $tag) {
+                       if (substr($tag, 0, 1) != self::TAG_CHARACTER[self::HASHTAG]) {
                                continue;
                        }
+                       self::storeByHash($uriid, substr($tag, 0, 1), substr($tag, 1));
+               }
+       }
 
-                       $fields = ['uri-id' => $uriid, 'name' => substr($tag, 1, 64), 'type' => self::HASHTAG];
-                       DBA::insert('tag', $fields, true);
-                       Logger::info('Stored tag', ['uriid' => $uriid, 'tag' => $tag, 'fields' => $fields]);
+       /**
+        * Remove tag/mention
+        *
+        * @param integer $uriid
+        * @param integer $type
+        * @param string $name
+        * @param string $url
+        */
+       public static function remove(int $uriid, int $type, string $name, string $url = '')
+       {
+               $condition = ['uri-id' => $uriid, 'type' => $type, 'url' => $url];
+               if ($type == self::HASHTAG) {
+                       $condition['name'] = $name;
                }
+
+               $tag = DBA::selectFirst('tag-view', ['tid', 'cid'], $condition);
+               if (!DBA::isResult($tag)) {
+                       return;
+               }
+
+               Logger::info('Removing tag/mention', ['uri-id' => $uriid, 'tid' => $tag['tid'], 'name' => $name, 'url' => $url, 'callstack' => System::callstack(8)]);
+               DBA::delete('post-tag', ['uri-id' => $uriid, 'type' => $type, 'tid' => $tag['tid'], 'cid' => $tag['cid']]);
+       }
+
+       /**
+        * Remove tag/mention
+        *
+        * @param integer $uriid
+        * @param string $hash
+        * @param string $name
+        * @param string $url
+        */
+       public static function removeByHash(int $uriid, string $hash, string $name, string $url = '')
+       {
+               $type = self::getTypeForHash($hash);
+               if ($type == self::UNKNOWN) {
+                       return;
+               }
+
+               self::remove($uriid, $type, $name, $url);
+       }
+
+       /**
+        * Get the type for the given hash
+        *
+        * @param string $hash
+        * @return integer type
+        */
+       private static function getTypeForHash(string $hash)
+       {
+               if ($hash == self::TAG_CHARACTER[self::MENTION]) {
+                       return self::MENTION;
+               } elseif ($hash == self::TAG_CHARACTER[self::EXCLUSIVE_MENTION]) {
+                       return self::EXCLUSIVE_MENTION;
+               } elseif ($hash == self::TAG_CHARACTER[self::IMPLICIT_MENTION]) {
+                       return self::IMPLICIT_MENTION;
+               } elseif ($hash == self::TAG_CHARACTER[self::HASHTAG]) {
+                       return self::HASHTAG;
+               } else {
+                       return self::UNKNOWN;
+               }
+
        }
 }