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<?php |
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namespace Craft; |
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/** |
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* YouTube FieldType. |
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* |
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* Upload video assets to YouTube. |
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* |
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* @author Bob Olde Hampsink <[email protected]> |
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* @copyright Copyright (c) 2015, Itmundi |
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* @license MIT |
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* |
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* @link http://github.com/boboldehampsink |
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*/ |
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class YouTubeFieldType extends AssetsFieldType |
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{ |
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/** |
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* The actual attribute we're working with. |
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* |
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* @var mixed |
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*/ |
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protected $attribute; |
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/** |
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* Holds changed element id's. |
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* |
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* @var array |
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*/ |
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protected $elementIds = array(); |
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/** |
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* Get fieldtype name. |
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* |
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* @return string |
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*/ |
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public function getName() |
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{ |
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return Craft::t('YouTube Upload'); |
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} |
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/** |
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* We're going to save an array of YouTube Video settings. |
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* |
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* @return mixed |
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*/ |
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public function defineContentAttribute() |
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{ |
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return AttributeType::Mixed; |
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} |
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/** |
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* Override default asset settings - leaving fileKinds out. |
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* |
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* @return string|null |
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*/ |
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public function getSettingsHtml() |
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{ |
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// Create a list of folder options for the main Source setting, and source options for the upload location |
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// settings. |
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$folderOptions = array(); |
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$sourceOptions = array(); |
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foreach ($this->getElementType()->getSources() as $key => $source) { |
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if (!isset($source['heading'])) { |
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$folderOptions[] = array('label' => $source['label'], 'value' => $key); |
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} |
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} |
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foreach (craft()->assetSources->getAllSources() as $source) { |
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$sourceOptions[] = array('label' => $source->name, 'value' => $source->id); |
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} |
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$namespace = craft()->templates->getNamespace(); |
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$isMatrix = (strncmp($namespace, 'types[Matrix][blockTypes][', 26) === 0); |
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return craft()->templates->render('youtube/settings/_fieldtype', array( |
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'folderOptions' => $folderOptions, |
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'sourceOptions' => $sourceOptions, |
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'targetLocaleField' => $this->getTargetLocaleFieldHtml(), |
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'settings' => $this->getSettings(), |
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'type' => $this->getName(), |
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'isMatrix' => $isMatrix, |
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)); |
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} |
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/** |
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* Return criteria in back-end and YT ID(s) in front-end. |
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* |
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* @param mixed $value |
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* |
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* @return ElementCriteriaModel|array |
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*/ |
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public function prepValue($value) |
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{ |
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// Behave as normal asset in back-end |
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if (craft()->request->isCpRequest()) { |
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// Overwrite value, if any |
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if ($value) { |
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// Fetch target id(s) |
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$results = craft()->db->createCommand() |
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->select('targetId') |
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->from('relations') |
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->where(array( |
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'fieldId' => $this->model->id, |
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'sourceId' => $this->element->id, |
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)) |
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->queryAll(); |
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// If db result is valid |
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if ($results && is_array($results)) { |
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// Gather value |
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$value = array(); |
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// Loop through target ids |
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foreach ($results as $result) { |
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$value[] = $result['targetId']; |
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} |
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} else { |
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// Else return nothing |
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$value = null; |
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} |
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} |
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// Return with new values |
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return parent::prepValue($value); |
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} |
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// Value is always an array |
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if (!is_array($value)) { |
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$value = array(); |
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} |
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// Prepare for models |
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$videos = array(); |
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foreach ($value as $id) { |
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$videos[] = array('id' => $id); |
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} |
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// Return video models |
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return YouTube_VideoModel::populateModels($videos); |
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} |
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/** |
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* Ignore prepping value from post basically. |
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* |
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* @param mixed $value |
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* |
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* @return ElementCriteriaModel |
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*/ |
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public function prepValueFromPost($value) |
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{ |
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// Check if anything has changed or emptied |
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if ($this->hasChanged() || empty($value)) { |
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// Yes! Prep value from post |
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return parent::prepValueFromPost($value); |
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} |
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// Nope, just return the same 'old |
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return $this->element->getContent()->getAttribute($this->model->handle); |
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} |
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/** |
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* Get search keywords. |
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* |
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* @param ElementCriteriaModel|array $criteria |
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* |
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* @return array |
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*/ |
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public function getSearchKeywords($criteria) |
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{ |
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// Behave normally in cp |
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if (craft()->request->isCpRequest()) { |
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return parent::getSearchKeywords($criteria); |
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} |
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// Or parse youtube video models |
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$titles = array(); |
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foreach ($criteria as $element) { |
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$titles[] = (string) $element; |
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} |
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return BaseFieldType::getSearchKeywords($titles); |
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} |
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/** |
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* Send video off to YouTube after saving. |
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*/ |
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public function onAfterElementSave() |
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{ |
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// Proceed when there's something new |
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if ($this->hasChanged()) { |
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// Let AssetsFieldType handle the default upload logics |
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parent::onAfterElementSave(); |
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// Get logged-in user |
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$user = craft()->userSession->getUser(); |
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// Now its our turn |
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craft()->tasks->createTask('YouTube_Upload', Craft::t('Uploading video(s) to YouTube'), array( |
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'id' => $this->element->id, |
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'model' => $this->model, |
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'assets' => $this->elementIds, |
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'user' => $user->id, |
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)); |
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// Or proceed if we have to remove the relations |
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} elseif (!$this->attribute->total()) { |
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// Let AssetsFieldType handle the removal of upload/relations |
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parent::onAfterElementSave(); |
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} |
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} |
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// Protected |
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// ========================================================================= |
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/** |
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* Let users know we're uploading a video. |
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* |
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* @return string |
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*/ |
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protected function getAddButtonLabel() |
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{ |
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return Craft::t('Add a video'); |
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} |
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/** |
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* Limit filekinds to video only. |
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* |
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* @return array |
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*/ |
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protected function defineSettings() |
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{ |
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return array_merge(parent::defineSettings(), array( |
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'restrictFiles' => array(AttributeType::Bool, 'default' => true), |
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'allowedKinds' => array(AttributeType::Mixed, 'default' => array('video')), |
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)); |
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} |
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/** |
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* Check if the video field has really changed, to prevent unneeded YouTube API calls. |
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* |
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* @return bool |
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*/ |
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protected function hasChanged() |
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{ |
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// Get raw post data |
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$posted = $this->element->getContentFromPost(); |
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// Get handle and attribute |
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$handle = $this->model->handle; |
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$this->attribute = $this->element->{$handle}; |
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// Check if they're actually set |
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if ($this->attribute instanceof ElementCriteriaModel && isset($posted[$handle]) && is_array($posted[$handle])) { |
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// Only get new element id's |
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$this->elementIds = array_values(array_diff($posted[$handle], $this->attribute->ids())); |
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// Proceed when there's something new |
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return (bool) count($this->elementIds); |
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} |
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// Not set, not changed |
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return false; |
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} |
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} |
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