99 lines
2.6 KiB
PHP
99 lines
2.6 KiB
PHP
<?php
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namespace App\Traits;
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use App\Models\Media;
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use Illuminate\Database\Eloquent\Collection;
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use Illuminate\Database\Eloquent\Relations\MorphMany;
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use Illuminate\Support\Facades\Cache;
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trait HasAttachments
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{
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/**
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* Boot function from Laravel.
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*
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* @return void
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*/
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protected static function bootHasAttachments(): void
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{
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static::deleting(function ($model) {
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$model->deleteAttachments();
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});
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}
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/**
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* Get the attachments associated to this item.
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*
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* @return Collection
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*/
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public function getAttachments(): Collection
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{
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return Cache::remember($this->attachmentsCacheKey(), now()->addDays(28), function () {
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return $this->attachments()->get();
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});
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}
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/**
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* Add multiple attachments items to the model.
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*
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* @param array|string $ids The media ids to add.
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* @param string $delimiter The split delimiter if $ids is a string.
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* @param boolean $allowDuplicates Whether to allow duplicate media IDs or not.
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* @return void
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*/
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public function addAttachments(array|string $ids, string $delimiter = ',', bool $allowDuplicates = false): void
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{
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if (is_array($ids) === false) {
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$ids = explode($delimiter, $ids);
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}
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$ids = array_map('trim', $ids);
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$existingIds = $this->getAttachments()->pluck('media_id')->toArray();
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$attachmentItems = [];
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foreach ($ids as $id) {
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if ($allowDuplicates === false && in_array($id, $existingIds) === true) {
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continue;
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}
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if (Media::where('id', $id)->exists() === true) {
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$attachmentItems[] = ['media_id' => $id];
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}
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}
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Cache::forget($this->attachmentsCacheKey());
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$this->attachments()->createMany($attachmentItems);
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}
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/**
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* Delete associated attachments.
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*
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* @return void
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*/
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public function deleteAttachments(): void
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{
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Cache::forget($this->attachmentsCacheKey());
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$this->morphMany(\App\Models\Attachment::class, 'addendum')->delete();
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}
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/**
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* Get the article's attachments.
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*
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* @return Illuminate\Database\Eloquent\Relations\MorphMany The attachments items
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*/
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public function attachments(): MorphMany
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{
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return $this->morphMany(\App\Models\Attachment::class, 'addendum');
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}
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/**
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* Return the attachment cache key.
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*
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* @return string
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*/
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private function attachmentsCacheKey(): string
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{
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return "attachments:{$this->getTable()}:{$this->id}";
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}
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}
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