Eager load relations to determine

Signed-off-by: snipe <snipe@snipe.net>

app/Models/Location.php

@@ -95,7 +95,10 @@ class Location extends SnipeModel
 
 
     /**
-     * Determine whether or not this location can be deleted
+     * Determine whether or not this location can be deleted.
+     *
+     * This method requires the eager loading of the relationships in order to determine whether
+     * it can be deleted. It's tempting to load those here, but that increases the query load considerably.
      *
      * @author A. Gianotto <snipe@snipe.net>
      * @since [v3.0]
@@ -104,10 +107,10 @@ class Location extends SnipeModel
     public function isDeletable()
     {
         return Gate::allows('delete', $this)
-                && ($this->assignedAssets()->count() === 0)
-                && ($this->assets()->count() === 0)
-                && ($this->children()->count() === 0)
-                && ($this->users()->count() === 0);
+                && ($this->assets_count === 0)
+                && ($this->assigned_assets_count === 0)
+                && ($this->children_count === 0)
+                && ($this->users_count === 0);
     }
 
     /**