| 1 | <?php |
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| 2 | // wcf imports |
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| 3 | require_once(WCF_DIR.'lib/system/event/EventListener.class.php'); |
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| 4 | require_once(WCF_DIR.'lib/data/tag/Tag.class.php'); |
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| 5 | require_once(WCF_DIR.'lib/data/tag/TagEngine.class.php'); |
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| 6 | |
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| 7 | // tagging3 imports |
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| 8 | require_once(WCF_DIR.'lib/util/TaggingReloadedUtil.class.php'); |
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| 9 | |
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| 10 | /** |
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| 11 | * Displays the tab for tagging - this is base for wbb tagging reloaded message form listener |
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| 12 | * |
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| 13 | * @author Torben Brodt |
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| 14 | * @package de.easy-coding.wcf.taggingreloaded |
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| 15 | * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-3.0.html> |
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| 16 | */ |
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| 17 | class TaggingReloadedMessageFormListener implements EventListener { |
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| 18 | protected $eventObj; |
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| 19 | protected $className; |
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| 20 | protected $tags3 = array(); |
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| 21 | |
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| 22 | /** |
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| 23 | * @var Tag[] |
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| 24 | */ |
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| 25 | protected $existingTagsUser = array(); |
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| 26 | |
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| 27 | /** |
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| 28 | * @var Tag[] |
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| 29 | */ |
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| 30 | protected $existingTagsObject = array(); |
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| 31 | |
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| 32 | /** |
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| 33 | * @see EventListener::execute() |
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| 34 | */ |
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| 35 | public function execute($eventObj, $className, $eventName) { |
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| 36 | |
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| 37 | // enabled? |
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| 38 | if(!MODULE_TAGGING) { |
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| 39 | return; |
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| 40 | } |
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| 41 | |
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| 42 | $this->eventObj = $eventObj; |
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| 43 | $this->className = $className; |
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| 44 | |
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| 45 | if(method_exists($this, $eventName)) { |
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| 46 | $this->$eventName(); |
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| 47 | } |
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| 48 | } |
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| 49 | |
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| 50 | /** |
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| 51 | * @see Form::assignVariables() |
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| 52 | */ |
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| 53 | protected function assignVariables () { |
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| 54 | WCF::getTPL()->assign(array( |
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| 55 | 'tags3' => $this->tags3, |
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| 56 | 'tags' => $this->eventObj->tags |
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| 57 | )); |
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| 58 | |
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| 59 | WCF::getTPL()->append('specialStyles', '<script type="text/javascript" src="'.RELATIVE_WCF_DIR.'js/Wheeltags.class.js"></script>'); |
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| 60 | WCF::getTPL()->append('additionalInformationFields', WCF::getTPL()->fetch('messageFormTaggingReloaded')); |
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| 61 | } |
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| 62 | |
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| 63 | /** |
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| 64 | * @see Form::readFormParameters() |
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| 65 | */ |
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| 66 | protected function readFormParameters() { |
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| 67 | |
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| 68 | // handle reloaded input |
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| 69 | if (isset($_REQUEST['taggingname']) && isset($_REQUEST['taggingval'])) { |
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| 70 | if(count($_REQUEST['taggingname']) > count($_REQUEST['taggingval'])) { |
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| 71 | $_REQUEST['taggingval'] = array_slice($_REQUEST['taggingval'], 0, count($_REQUEST['taggingname'])); |
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| 72 | } else if(count($_REQUEST['taggingname']) < count($_REQUEST['taggingval'])) { |
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| 73 | $_REQUEST['taggingname'] = array_slice($_REQUEST['taggingname'], 0, count($_REQUEST['taggingval'])); |
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| 74 | } |
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| 75 | $this->tags3 = array_combine($_REQUEST['taggingname'], $_REQUEST['taggingval']); |
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| 76 | } |
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| 77 | |
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| 78 | // handle classic input |
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| 79 | if (!isset($_REQUEST['wheeltags_enabled']) || !($_REQUEST['wheeltags_enabled'])) { |
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| 80 | // copy reference |
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| 81 | $tags3 = $this->tags3; |
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| 82 | $this->tags3 = array(); |
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| 83 | |
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| 84 | // proceed with classic |
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| 85 | if (isset($_REQUEST['tags']) && !empty($_REQUEST['tags'])) { |
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| 86 | foreach(TaggingUtil::splitString($_REQUEST['tags']) as $tag) { |
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| 87 | // use weights from modern input (even if hidden) |
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| 88 | if(array_key_exists($tag, $tags3)) { |
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| 89 | $this->tags3[$tag] = $tags3[$tag]; |
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| 90 | } else if(array_key_exists($tag, $this->tags3)) { |
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| 91 | $this->tags3[$tag] *= 1.33; // increase with 33% |
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| 92 | } else { |
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| 93 | $this->tags3[$tag] = 100; |
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| 94 | } |
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| 95 | } |
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| 96 | } |
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| 97 | } |
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| 98 | |
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| 99 | // conversion from post to Tag |
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| 100 | foreach($this->tags3 as $name => $weight) { |
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| 101 | if(strlen($name) < 3) { |
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| 102 | unset($this->tags3[$name]); |
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| 103 | continue; |
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| 104 | } |
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| 105 | |
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| 106 | $this->tags3[$name] = new Tag(null, array( |
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| 107 | 'name' => $name, |
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| 108 | 'weight' => $weight |
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| 109 | )); |
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| 110 | } |
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| 111 | |
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| 112 | // workaround to be called before validate from woltlab |
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| 113 | $this->eventObj->tags = TaggingUtil::buildString(array_keys($this->tags3)); |
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| 114 | } |
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| 115 | |
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| 116 | /** |
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| 117 | * workaround to be called after readFormData from woltlab |
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| 118 | * @see Form::validate() |
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| 119 | */ |
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| 120 | protected function validate () { |
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| 121 | $this->eventObj->tags = TaggingUtil::buildString(array_keys($this->tags3)); |
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| 122 | } |
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| 123 | |
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| 124 | public function deleteFromTagging3($userID, $tags, Tagged $object, $languageIDArray) { |
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| 125 | if(!count($tags)) return; |
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| 126 | |
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| 127 | $ids = array(); |
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| 128 | foreach($tags as $tag) { |
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| 129 | $ids[] = $tag->tagID; |
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| 130 | } |
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| 131 | |
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| 132 | $sql = "DELETE FROM wcf".WCF_N."_tagging3 |
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| 133 | WHERE taggableID = ".$object->getTaggable()->getTaggableID()." |
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| 134 | AND languageID IN (".implode(',', $languageIDArray).") |
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| 135 | AND objectID = ".$object->getObjectID()." |
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| 136 | AND tagID IN (".implode(",", $ids).") |
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| 137 | AND userID = ".intval($userID); |
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| 138 | WCF::getDB()->sendQuery($sql); |
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| 139 | $result = WCF::getDB()->sendQuery($sql); |
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| 140 | } |
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| 141 | |
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| 142 | /** |
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| 143 | * this is a reimplemenation of TagEngine::deleteObjectTags with a slite modification. |
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| 144 | * not all tags are deleted. just some tagIDs |
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| 145 | */ |
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| 146 | public function deleteFromSystem($tags, Tagged $object, $languageIDArray) { |
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| 147 | if(!count($tags)) return; |
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| 148 | |
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| 149 | $ids = array(); |
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| 150 | foreach($tags as $tag) { |
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| 151 | $ids[] = $tag->tagID; |
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| 152 | } |
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| 153 | |
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| 154 | $sql = "DELETE FROM wcf".WCF_N."_tag_to_object |
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| 155 | WHERE taggableID = ".$object->getTaggable()->getTaggableID()." |
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| 156 | AND languageID IN (".implode(',', $languageIDArray).") |
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| 157 | AND objectID = ".$object->getObjectID()." |
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| 158 | AND tagID IN (".implode(",", $ids).")"; |
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| 159 | WCF::getDB()->sendQuery($sql); |
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| 160 | $result = WCF::getDB()->sendQuery($sql); |
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| 161 | } |
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| 162 | |
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| 163 | public function addToSystem($tags, Tagged $object, $languageID) { |
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| 164 | if(!count($tags)) return; |
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| 165 | |
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| 166 | $tags = array_keys($tags); |
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| 167 | try { |
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| 168 | TagEngine::getInstance()->addTags($tags, $object, $languageID); |
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| 169 | } catch(Exception $e) { |
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| 170 | // please handle |
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| 171 | } |
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| 172 | } |
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| 173 | |
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| 174 | /** |
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| 175 | * this is a reimplementation of TagEngine::addTags with a slite modification to write to our table and to update existing tables with weight |
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| 176 | */ |
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| 177 | public function addToTagging3($userID, $tags, Tagged $object, $languageID) { |
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| 178 | if(!count($tags)) return; |
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| 179 | |
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| 180 | // store tagging3 database |
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| 181 | $tagIDs = array(); |
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| 182 | foreach ($tags as $tag) { |
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| 183 | $tagID = $tag->tagID ? $tag->tagID : Tag::test($tag->name, $languageID); |
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| 184 | if (!$tagID) $tagID = Tag::insert($tag->name, $languageID); |
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| 185 | |
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| 186 | if (empty($tag->userID)) $tag->userID = $userID; |
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| 187 | $tagIDs[$tagID] = $tag; |
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| 188 | } |
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| 189 | |
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| 190 | $sql = "REPLACE INTO wcf".WCF_N."_tagging3 |
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| 191 | (objectID, tagID, taggableID, languageID, userID, weight) |
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| 192 | VALUES "; |
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| 193 | foreach ($tagIDs as $tagID => $tag) { |
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| 194 | $sql .= "(" . $object->getObjectID() . ", " . $tagID . ", " . $object->getTaggable()->getTaggableID() . ", |
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| 195 | ".$languageID.", ".$tag->userID.", ".$tag->weight."),"; |
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| 196 | } |
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| 197 | $sql = StringUtil::substring($sql, 0, StringUtil::length($sql) - 1); |
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| 198 | $result = WCF::getDB()->sendQuery($sql); |
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| 199 | } |
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| 200 | |
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| 201 | /** |
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| 202 | * save |
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| 203 | */ |
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| 204 | protected function tagging3Save($userID, $tagged, $languageID) { |
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| 205 | $languageIDArray = array($languageID); |
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| 206 | |
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| 207 | // remove old links |
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| 208 | if(count($this->existingTagsUser) || count($this->existingTagsObject)) { |
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| 209 | |
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| 210 | // tagging3: remove the link to the current user |
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| 211 | $deleteFromTagging3 = TaggingReloadedUtil::diff($this->existingTagsUser, $this->tags3); |
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| 212 | |
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| 213 | // woltlab system: when no other user has this tag, remove the link from tag to object |
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| 214 | $deleteFromSystem = TaggingReloadedUtil::diff($deleteFromTagging3, $this->existingTagsObject); |
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| 215 | |
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| 216 | // tagging3: ids are known.. delete is easy |
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| 217 | $this->deleteFromTagging3($userID, $deleteFromTagging3, $tagged, $languageIDArray); |
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| 218 | |
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| 219 | // woltlab system: ids are known.. delete is easy |
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| 220 | $this->deleteFromSystem($deleteFromSystem, $tagged, $languageIDArray); |
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| 221 | } |
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| 222 | |
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| 223 | // tagging3: add user specific tags |
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| 224 | $addToTagging3 = TaggingReloadedUtil::diff($this->tags3, $this->existingTagsUser); |
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| 225 | |
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| 226 | // woltlab system: add link from tag to object |
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| 227 | $addToSystem = TaggingReloadedUtil::diff($addToTagging3, $this->existingTagsObject); |
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| 228 | |
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| 229 | // woltlab system: save |
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| 230 | $this->addToSystem($addToSystem, $tagged, $languageID); |
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| 231 | |
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| 232 | // tagging3: save |
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| 233 | // attention: use $this->tags3 instead of the diff, because we want to update all weights |
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| 234 | $this->addToTagging3($userID, $this->tags3, $tagged, $languageID); |
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| 235 | } |
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| 236 | |
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| 237 | /** |
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| 238 | * load the existing tags of this user from database right before being saved |
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| 239 | * in save method, we will watch for for this variable |
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| 240 | */ |
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| 241 | protected function tagging3Load($userID, $tagged, $languageID) { |
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| 242 | $this->existingTagsUser = $this->getTagsByObject($userID, $tagged, $languageID, true); |
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| 243 | $this->existingTagsObject = $this->getTagsByObject($userID, $tagged, $languageID, false); |
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| 244 | } |
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| 245 | |
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| 246 | /** |
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| 247 | * @return Tag[] |
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| 248 | */ |
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| 249 | protected function getTagsByObject($userID, Tagged $tagged, $languageID, $even = true) { |
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| 250 | $taggableID = $tagged->getTaggable()->getTaggableID(); |
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| 251 | $objectID = $tagged->getObjectID(); |
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| 252 | $sign = $even ? '=' : '!='; |
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| 253 | |
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| 254 | $sql = "SELECT tag.*, |
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| 255 | userID, |
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| 256 | weight |
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| 257 | FROM ( |
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| 258 | SELECT tagID, |
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| 259 | userID, |
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| 260 | weight |
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| 261 | FROM wcf".WCF_N."_tagging3 |
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| 262 | WHERE taggableID = ".intval($taggableID)." |
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| 263 | AND languageID = ".intval($languageID)." |
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| 264 | AND objectID = ".intval($objectID)." |
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| 265 | AND userID $sign ".intval($userID)." |
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| 266 | ) x |
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| 267 | INNER JOIN wcf".WCF_N."_tag tag USING(tagID) |
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| 268 | "; |
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| 269 | $result = WCF::getDB()->sendQuery($sql); |
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| 270 | $tags = array(); |
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| 271 | while ($row = WCF::getDB()->fetchArray($result)) { |
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| 272 | $tags[$row['name']] = new Tag(null, $row); |
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| 273 | } |
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| 274 | return $tags; |
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| 275 | } |
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| 276 | } |
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| 277 | ?> |
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