tags creation added

app/Traits/HasTagsTrait.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace App\Traits;
+
+use App\Models\Tag;
+use App\Rules\TagUniqueRule;
+
+trait HasTagsTrait
+{
+    public array $tags = [];
+    public array $selectedTags = [];
+
+    public bool $addTag = false;
+    public $newTag;
+
+    public function mountHasTagsTrait()
+    {
+        $this->tags = Tag::query()
+                         ->where('type', 'library_item')
+                         ->get()
+                         ->map(fn($tag) => ['id' => $tag->id, 'name' => $tag->name])
+                         ->toArray();
+    }
+
+    public function selectTag($name)
+    {
+        $selectedTags = collect($this->selectedTags);
+        if ($selectedTags->contains($name)) {
+            $selectedTags = $selectedTags->filter(fn($tag) => $tag !== $name);
+        } else {
+            $selectedTags->push($name);
+        }
+        $this->selectedTags = $selectedTags->values()
+                                           ->toArray();
+    }
+
+    public function addTag()
+    {
+        $this->validateOnly('newTag', [
+            'newTag' => ['required', 'string', new TagUniqueRule()],
+        ]);
+        Tag::create(['name' => $this->newTag, 'type' => 'library_item']);
+        $this->tags = Tag::query()
+                         ->where('type', 'library_item')
+                         ->get()
+                         ->map(fn($tag) => ['id' => $tag->id, 'name' => $tag->name])
+                         ->toArray();
+        $this->newTag = '';
+        $this->addTag = false;
+    }
+}