Models refactor + Basic functionnalities

app/Policies/ResumeComponentPlacementPolicy.php

@@ -0,0 +1,58 @@
+<?php
+
+namespace App\Policies;
+
+use App\Models\Resume;
+use App\Models\ResumeComponentPlacement;
+use App\Models\User;
+use Illuminate\Auth\Access\Response;
+
+class ResumeComponentPlacementPolicy
+{
+    private function isCreator(User $user, ResumeComponentPlacement $componentPlacement): Response
+    {
+        return $user->id === $componentPlacement->load('resume')->resume->creator_id
+            ? Response::allow()
+            : Response::deny('You do not own the resume of the component placement.');
+    }
+
+    /**
+     * Determine whether the user can view the model.
+     */
+    public function view(User $user, ResumeComponentPlacement $componentPlacement): Response
+    {
+        return $this->isCreator($user, $componentPlacement);
+    }
+
+    /**
+     * Determine whether the user can create models.
+     */
+    public function create(User $user): bool
+    {
+        return true;
+    }
+
+    /**
+     * Determine whether the user can update the model.
+     */
+    public function update(User $user, ResumeComponentPlacement $componentPlacement): Response
+    {
+        return $this->isCreator($user, $componentPlacement);
+    }
+
+    /**
+     * Determine whether the user can delete the model.
+     */
+    public function delete(User $user, ResumeComponentPlacement $componentPlacement): Response
+    {
+        return $this->isCreator($user, $componentPlacement);
+    }
+
+    /**
+     * Determine whether the user can restore the model.
+     */
+    public function restore(User $user, ResumeComponentPlacement $componentPlacement): Response
+    {
+        return $this->isCreator($user, $componentPlacement);
+    }
+}