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<?php |
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namespace Charcoal\Attachment\Traits; |
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use InvalidArgumentException; |
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// From 'charcoal-core' |
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use Charcoal\Model\ModelInterface; |
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// From 'charcoal-admin' |
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use Charcoal\Admin\Widget\AttachmentWidget; |
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// From 'charcoal-attachment' |
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use Charcoal\Attachment\Interfaces\AttachableInterface; |
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use Charcoal\Attachment\Interfaces\AttachmentAwareInterface; |
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use Charcoal\Attachment\Interfaces\AttachmentContainerInterface; |
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use Charcoal\Attachment\Object\Join; |
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use Charcoal\Attachment\Object\Attachment; |
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/** |
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* Provides support for attachments to objects. |
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* |
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* Used by objects that can have an attachment to other objects. |
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* This is the glue between the {@see Join} object and the current object. |
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* |
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* Abstract method needs to be implemented. |
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* |
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* Implementation of {@see \Charcoal\Attachment\Interfaces\AttachmentAwareInterface} |
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* |
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* ## Required Services |
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* |
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* - "model/factory" — {@see \Charcoal\Model\ModelFactory} |
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* - "model/collection/loader" — {@see \Charcoal\Loader\CollectionLoader} |
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*/ |
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trait AttachmentAwareTrait |
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{ |
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/** |
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* A store of cached attachments, by ID. |
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* |
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* @var Attachment[] $attachmentCache |
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*/ |
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protected static $attachmentCache = []; |
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/** |
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* Store a collection of node objects. |
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* |
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* @var Collection|Attachment[] |
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*/ |
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protected $attachments = []; |
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/** |
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* Store the widget instance currently displaying attachments. |
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* |
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* @var AttachmentWidget |
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*/ |
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protected $attachmentWidget; |
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/** |
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* Retrieve the objects associated to the current object. |
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* |
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* @param array|string|null $group Filter the attachments by a group identifier. |
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* When an array, filter the attachments by a options list. |
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* @param string|null $type Filter the attachments by type. |
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* @param callable|null $before Process each attachment before applying data. |
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* @param callable|null $after Process each attachment after applying data. |
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* @throws InvalidArgumentException If the $group or $type is invalid. |
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* @return Collection|Attachment[] |
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*/ |
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public function getAttachments( |
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$group = null, |
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$type = null, |
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callable $before = null, |
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callable $after = null |
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) { |
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if (is_array($group)) { |
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$options = $group; |
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} else { |
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if ($group !== null) { |
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$this->logger->warning( |
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'AttachmentAwareTrait::attachments() parameters are deprecated. '. |
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'An array of parameters should be used.', |
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[ 'package' => 'locomotivemtl/charcoal-attachment' ] |
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); |
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} |
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$options = [ |
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'group' => $group, |
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'type' => $type, |
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'before' => $before, |
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'after' => $after, |
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]; |
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} |
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$options = $this->parseAttachmentOptions($options); |
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extract($options); |
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View Code Duplication |
if ($group !== 0) { |
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if (!is_string($group)) { |
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throw new InvalidArgumentException(sprintf( |
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'The "group" must be a string, received %s', |
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is_object($group) ? get_class($group) : gettype($group) |
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)); |
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} |
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} |
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if ($type !== 0) { |
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View Code Duplication |
if (!is_string($type)) { |
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throw new InvalidArgumentException(sprintf( |
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'The "type" must be a string, received %s', |
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is_object($type) ? get_class($type) : gettype($type) |
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)); |
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} |
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$type = preg_replace('/([a-z])([A-Z])/', '$1-$2', $type); |
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$type = strtolower(str_replace('\\', '/', $type)); |
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} |
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if (isset($this->attachments[$group][$type])) { |
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return $this->attachments[$group][$type]; |
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} |
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$objType = $this->objType(); |
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$objId = $this->id(); |
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$joinProto = $this->modelFactory()->get(Join::class); |
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$joinTable = $joinProto->source()->table(); |
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$attProto = $this->modelFactory()->get(Attachment::class); |
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$attTable = $attProto->source()->table(); |
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if (!$attProto->source()->tableExists() || !$joinProto->source()->tableExists()) { |
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return []; |
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} |
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$widget = $this->attachmentWidget(); |
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$query = sprintf(' |
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SELECT |
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attachment.*, |
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joined.attachment_id AS attachment_id, |
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joined.position AS position |
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FROM |
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`%s` AS attachment |
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LEFT JOIN |
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`%s` AS joined |
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ON |
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joined.attachment_id = attachment.id |
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WHERE |
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1 = 1', $attTable, $joinTable); |
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/** Disable `active` check in admin, or according to $isActive value */ |
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if (!$widget instanceof AttachmentWidget && $isActive === true) { |
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$query .= ' |
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AND |
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attachment.active = 1'; |
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} |
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if ($type) { |
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$query .= sprintf(' |
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AND |
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attachment.type = "%s"', $type); |
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} |
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$query .= sprintf(' |
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AND |
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joined.object_type = "%s" |
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AND |
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joined.object_id = "%s"', $objType, $objId); |
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if ($group) { |
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$query .= sprintf(' |
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AND |
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joined.group = "%s"', $group); |
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} |
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$query .= ' |
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ORDER BY joined.position'; |
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$loader = $this->collectionLoader(); |
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$loader->setModel($attProto); |
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$loader->setDynamicTypeField('type'); |
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if ($widget instanceof AttachmentWidget) { |
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$callable = function (&$att) use ($widget, $before) { |
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if ($this instanceof AttachableInterface) { |
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$att->setContainerObj($this); |
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} |
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if ($att instanceof AttachmentAwareInterface) { |
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$att['attachment_widget'] = $widget; |
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} |
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$kind = $att->type(); |
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$attachables = $widget->attachableObjects(); |
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if (isset($attachables[$kind]['data'])) { |
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$att->setData($attachables[$kind]['data']); |
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} |
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if (!$att->rawHeading()) { |
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$att->setHeading($widget->attachmentHeading()); |
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} |
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if (!$att->rawPreview()) { |
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$att->setPreview($widget->attachmentPreview()); |
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} |
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$att->isPresentable(true); |
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/** Not Sure if we want to present the attachment for backend preview. |
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* Might want to have a second presenter key on attachment model |
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* so we can supply either the same presenter, |
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* another one or none at all. |
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*/ |
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// if ($att->presenter() !== null) { |
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// $att = $this->modelFactory() |
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// ->create($att->presenterClass()) |
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// ->setData($att->flatData()); |
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// } |
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if ($before !== null) { |
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call_user_func_array($before, [ &$att ]); |
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} |
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}; |
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} else { |
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$callable = function (&$att) use ($before) { |
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if ($this instanceof AttachableInterface) { |
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$att->setContainerObj($this); |
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} |
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$att->isPresentable(true); |
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if ($att->presenter() !== null) { |
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$att = $this->modelFactory() |
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->create($att->presenter()) |
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->setData($att->flatData()); |
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} |
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if ($before !== null) { |
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call_user_func_array($before, [ &$att ]); |
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} |
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}; |
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} |
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$collection = $loader->loadFromQuery($query, $after, $callable->bindTo($this)); |
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$this->attachments[$group][$type] = $collection; |
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return $this->attachments[$group][$type]; |
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} |
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/** |
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* Determine if the current object has any nodes. |
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* |
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* @return boolean Whether $this has any nodes (TRUE) or not (FALSE). |
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*/ |
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public function hasAttachments() |
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{ |
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return !!($this->numAttachments()); |
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} |
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/** |
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* Count the number of nodes associated to the current object. |
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* |
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* @return integer |
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*/ |
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public function numAttachments() |
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{ |
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return count($this->getAttachments([ |
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'group' => null |
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])); |
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} |
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/** |
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* Attach an node to the current object. |
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* |
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* @param AttachableInterface|ModelInterface $attachment An attachment or object. |
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* @param string $group Attachment group, defaults to contents. |
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* @return boolean|self |
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*/ |
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public function addAttachment($attachment, $group = 'contents') |
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{ |
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if (!$attachment instanceof AttachableInterface && !$attachment instanceof ModelInterface) { |
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return false; |
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} |
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$join = $this->modelFactory()->create(Join::class); |
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$objId = $this->id(); |
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$objType = $this->objType(); |
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$attId = $attachment->id(); |
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$join->setAttachmentId($attId); |
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$join->setObjectId($objId); |
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$join->setGroup($group); |
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$join->setObjectType($objType); |
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$join->save(); |
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return $this; |
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} |
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/** |
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* Remove all joins linked to a specific attachment. |
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* |
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* @deprecated in favour of AttachmentAwareTrait::removeAttachmentJoins() |
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* @return boolean |
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*/ |
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public function removeJoins() |
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{ |
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$this->logger->warning( |
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'AttachmentAwareTrait::removeJoins() is deprecated. '. |
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'Use AttachmentAwareTrait::removeAttachmentJoins() instead.', |
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[ 'package' => 'locomotivemtl/charcoal-attachment' ] |
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); |
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return $this->removeAttachmentJoins(); |
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} |
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/** |
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* Remove all joins linked to a specific attachment. |
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* |
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* @return boolean |
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*/ |
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public function removeAttachmentJoins() |
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{ |
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$joinProto = $this->modelFactory()->get(Join::class); |
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$loader = $this->collectionLoader(); |
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$loader |
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->setModel($joinProto) |
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->addFilter('object_type', $this->objType()) |
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->addFilter('object_id', $this->id()); |
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$collection = $loader->load(); |
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foreach ($collection as $obj) { |
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$obj->delete(); |
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} |
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return true; |
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} |
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/** |
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* Delete the objects associated to the current object. |
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* |
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* @param array $options Filter the attachments by an option list. |
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* @return boolean |
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*/ |
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public function deleteAttachments(array $options = []) |
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{ |
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foreach ($this->getAttachments($options) as $attachment) { |
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$attachment->delete(); |
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} |
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return true; |
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} |
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/** |
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* Retrieve the attachment widget. |
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* |
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* @return AttachmentWidget |
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*/ |
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protected function attachmentWidget() |
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{ |
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return $this->attachmentWidget; |
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} |
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/** |
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* Set the attachment widget. |
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* |
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* @param AttachmentWidget $widget The widget displaying attachments. |
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* @return string |
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*/ |
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protected function setAttachmentWidget(AttachmentWidget $widget) |
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{ |
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$this->attachmentWidget = $widget; |
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return $this; |
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} |
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/** |
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* Available attachment obj_type related to the current object. |
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* This goes throught the entire forms / form groups, starting from the |
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* dashboard widgets. |
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* Returns an array of object classes by group |
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* [ |
388
|
|
|
* group : [ |
389
|
|
|
* 'object\type', |
390
|
|
|
* 'object\type2', |
391
|
|
|
* 'object\type3' |
392
|
|
|
* ] |
393
|
|
|
* ] |
394
|
|
|
* @return array Attachment obj_types. |
395
|
|
|
*/ |
396
|
|
|
public function attachmentObjTypes() |
397
|
|
|
{ |
398
|
|
|
$defaultEditDashboard = $this->metadata()->get('admin.default_edit_dashboard'); |
|
|
|
|
399
|
|
|
$dashboards = $this->metadata()->get('admin.dashboards'); |
|
|
|
|
400
|
|
|
$editDashboard = $dashboards[$defaultEditDashboard]; |
401
|
|
|
$widgets = $editDashboard['widgets']; |
402
|
|
|
|
403
|
|
|
$formIdent = ''; |
404
|
|
|
foreach ($widgets as $ident => $val) { |
405
|
|
|
if ($val['type'] == 'charcoal/admin/widget/object-form') { |
406
|
|
|
$formIdent = $val['form_ident']; |
407
|
|
|
} |
408
|
|
|
} |
409
|
|
|
|
410
|
|
|
if (!$formIdent) { |
411
|
|
|
// No good! |
412
|
|
|
return []; |
413
|
|
|
} |
414
|
|
|
|
415
|
|
|
// Current form |
416
|
|
|
$form = $this->metadata()->get('admin.forms.'.$formIdent); |
|
|
|
|
417
|
|
|
|
418
|
|
|
// Setted form gruops |
419
|
|
|
$formGroups = $this->metadata()->get('admin.form_groups'); |
|
|
|
|
420
|
|
|
|
421
|
|
|
// Current form groups |
422
|
|
|
$groups = $form['groups']; |
423
|
|
|
|
424
|
|
|
$attachmentObjects = []; |
425
|
|
|
foreach ($groups as $groupIdent => $group) { |
426
|
|
|
if (isset($formGroups[$groupIdent])) { |
427
|
|
|
$group = array_replace_recursive( |
428
|
|
|
$formGroups[$groupIdent], |
429
|
|
|
$group |
430
|
|
|
); |
431
|
|
|
} |
432
|
|
|
|
433
|
|
|
if (isset($group['attachable_objects'])) { |
434
|
|
|
$attachmentObjects[$group['group']] = []; |
435
|
|
|
foreach ($group['attachable_objects'] as $type => $content) { |
436
|
|
|
$attachmentObjects[$group['group']][] = $type; |
437
|
|
|
} |
438
|
|
|
} |
439
|
|
|
} |
440
|
|
|
|
441
|
|
|
return $attachmentObjects; |
442
|
|
|
} |
443
|
|
|
|
444
|
|
|
/** |
445
|
|
|
* Parse a given options for loading a collection of attachments. |
446
|
|
|
* |
447
|
|
|
* @param array $options A list of options. |
448
|
|
|
* Option keys not present in {@see self::getDefaultAttachmentOptions() default options} |
449
|
|
|
* are rejected. |
450
|
|
|
* @return array |
451
|
|
|
*/ |
452
|
|
|
protected function parseAttachmentOptions(array $options) |
453
|
|
|
{ |
454
|
|
|
$defaults = $this->getDefaultAttachmentOptions(); |
455
|
|
|
|
456
|
|
|
$options = array_intersect_key($options, $defaults); |
457
|
|
|
$options = array_filter($options, [ $this, 'filterAttachmentOption' ], ARRAY_FILTER_USE_BOTH); |
458
|
|
|
$options = array_replace($defaults, $options); |
459
|
|
|
|
460
|
|
|
return $options; |
461
|
|
|
} |
462
|
|
|
|
463
|
|
|
/** |
464
|
|
|
* Parse a given options for loading a collection of attachments. |
465
|
|
|
* |
466
|
|
|
* @param mixed $val The option value. |
467
|
|
|
* @param string $key The option key. |
468
|
|
|
* @return boolean Return TRUE if the value is preserved. Otherwise FALSE. |
469
|
|
|
*/ |
470
|
|
|
protected function filterAttachmentOption($val, $key) |
471
|
|
|
{ |
472
|
|
|
if ($val === null) { |
473
|
|
|
return false; |
474
|
|
|
} |
475
|
|
|
|
476
|
|
|
switch ($key) { |
477
|
|
|
case 'isActive': |
478
|
|
|
return is_bool($val); |
479
|
|
|
|
480
|
|
|
case 'before': |
481
|
|
|
case 'after': |
482
|
|
|
return is_callable($val); |
483
|
|
|
} |
484
|
|
|
|
485
|
|
|
return true; |
486
|
|
|
} |
487
|
|
|
|
488
|
|
|
/** |
489
|
|
|
* Retrieve the default options for loading a collection of attachments. |
490
|
|
|
* |
491
|
|
|
* @return array |
492
|
|
|
*/ |
493
|
|
|
protected function getDefaultAttachmentOptions() |
494
|
|
|
{ |
495
|
|
|
return [ |
496
|
|
|
'group' => 0, |
497
|
|
|
'type' => 0, |
498
|
|
|
'before' => null, |
499
|
|
|
'after' => null, |
500
|
|
|
'isActive' => true |
501
|
|
|
]; |
502
|
|
|
} |
503
|
|
|
|
504
|
|
|
|
505
|
|
|
|
506
|
|
|
// Abstract Methods |
507
|
|
|
// ========================================================================= |
508
|
|
|
|
509
|
|
|
/** |
510
|
|
|
* Retrieve the object's unique ID. |
511
|
|
|
* |
512
|
|
|
* @return mixed |
513
|
|
|
*/ |
514
|
|
|
abstract public function id(); |
515
|
|
|
|
516
|
|
|
/** |
517
|
|
|
* Retrieve the object model factory. |
518
|
|
|
* |
519
|
|
|
* @return \Charcoal\Factory\FactoryInterface |
520
|
|
|
*/ |
521
|
|
|
abstract public function modelFactory(); |
522
|
|
|
|
523
|
|
|
/** |
524
|
|
|
* Retrieve the model collection loader. |
525
|
|
|
* |
526
|
|
|
* @return \Charcoal\Loader\CollectionLoader |
527
|
|
|
*/ |
528
|
|
|
abstract public function collectionLoader(); |
529
|
|
|
} |
530
|
|
|
|
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: