Rewrite the tags implementation. Closes #391

src/Models/Component.php

@@ -85,6 +85,16 @@ class Component extends Model implements TransformableInterface
         return $this->hasMany('CachetHQ\Cachet\Models\Incident', 'component_id', 'id');
     }
 
+    /**
+     * Components can have many tags.
+     *
+     * @return \Illuminate\Database\Eloquent\Relations\HasMany
+     */
+    public function tags()
+    {
+        return $this->belongsToMany('CachetHQ\Cachet\Models\Tag');
+    }
+
     /**
      * Finds all components by status.
      *
@@ -121,6 +131,20 @@ class Component extends Model implements TransformableInterface
         return trans('cachet.components.status.'.$this->status);
     }
 
+    /**
+     * Returns all of the tags on this component.
+     *
+     * @return string
+     */
+    public function getTagsListAttribute()
+    {
+        $tags = $this->tags->map(function ($tag) {
+            return $tag->name;
+        });
+
+        return implode(', ', $tags->toArray());
+    }
+
     /**
      * Get the transformer instance.
      *

src/Models/Tag.php

@@ -0,0 +1,43 @@
+<?php
+
+namespace CachetHQ\Cachet\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Support\Str;
+use Watson\Validating\ValidatingTrait;
+
+class Tag extends Model
+{
+    use ValidatingTrait;
+
+    /**
+     * The fillable properties.
+     *
+     * @var string[]
+     */
+    protected $fillable = ['name'];
+
+    /**
+     * Overrides the models boot method.
+     *
+     * @return void
+     */
+    public static function boot()
+    {
+        parent::boot();
+
+        self::creating(function ($tag) {
+            $tag->slug = Str::slug($tag->name);
+        });
+    }
+
+    /**
+     * Tags can have many components.
+     *
+     * @return \Illuminate\Database\Eloquent\Relations\HasMany
+     */
+    public function components()
+    {
+        return $this->belongsToMany('CachetHQ\Cachet\Models\Component');
+    }
+}