backend improvements

app/Models/Collection.php

@@ -8,8 +8,10 @@ use App\Models\Dataset;
 class Collection extends Model
 {
     public $timestamps = false;
+    //mass assignable
     protected $fillable = [
         'name',
+        'number',
         'role_id',
     ];
 

app/Models/License.php

@@ -27,4 +27,9 @@ class License extends Model
     {
         return $this->belongsToMany(Dataset::class, 'link_documents_licences', 'licence_id', 'document_id');
     }
+
+    public function getCheckedAttribute()
+    {
+        return "false";
+    }
 }