fix: 🐛 add cascadeOnDelete to project table and change the Project query in index method in ProjectController

app/Http/Controllers/Bo/ProjectController.php

@@ -23,7 +23,9 @@ class ProjectController extends Controller
     public function index(Request $request): \Illuminate\Contracts\View\View
     {
         /** @var \Illuminate\Database\Eloquent\Builder $projectModels */
-        $projectModels = Project::query();
+        $projectModels = Project::query()->whereHas('site', function ($query) {
+            $query->whereNull('deleted_at');
+        });
 
         /** @var string $search Search field */
         $search = $request->search;

app/Http/Controllers/Bo/SiteController.php

@@ -169,6 +169,7 @@ class SiteController extends Controller
         return DB::transaction(function () use ($site) {
             if ($site->deleteOrFail()) {
                 $site->users()->detach();
+                $site->project()->delete();
                 return redirect()
                     ->route('bo.sites.index')
                     ->with('success', trans(

app/Models/Site.php

@@ -57,6 +57,9 @@ class Site extends Model
         static::updating(function (self $model) {
             self::manageFields($model);
         });
+        static::deleting(function ($site) {
+            $site->project()->get()->each->forceDelete();
+        });
         static::deleted(function ($site) {
             $site->invoices()->delete();
             $site->tickets()->delete();
@@ -139,11 +142,11 @@ class Site extends Model
     /**
      * BelongsTo Project relation
      *
-     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
+     * @return \Illuminate\Database\Eloquent\Relations\hasMany
      */
     public function project()
     {
-        return $this->belongsTo(Project::class);
+        return $this->hasMany(Project::class);
     }
 
     /**

database/migrations/2025_07_10_103249_add_favourite_site_to_user.php

@@ -8,21 +8,29 @@ return new class extends Migration
 {
     /**
      * Run the migrations.
+     *
+     * @return void
      */
     public function up(): void
     {
         Schema::table('users', function (Blueprint $table) {
-            $table->foreignId('favourite_site_id')->nullable()->after('gitlab_id')->constrained('sites')->onDelete('set null');
+            $table->foreignId('favourite_site_id')
+                ->nullable()
+                ->after('gitlab_id')
+                ->constrained('sites')
+                ->onDelete('set null');
         });
     }
 
     /**
      * Reverse the migrations.
+     *
+     * @return void
      */
     public function down(): void
     {
         Schema::table('users', function (Blueprint $table) {
-            $table->dropForeign(['favourite_site_id']);;
+            $table->dropForeign(['favourite_site_id']);
             $table->dropColumn('favourite_site_id');
         });
     }

database/migrations/2025_08_19_094221_add_delete_on_cascade_to_projects_table.php

@@ -0,0 +1,40 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('projects', function (Blueprint $table) {
+            $table->dropForeign(['site_id']);
+            $table->foreign('site_id')
+                ->references('id')
+                ->on('sites')
+                ->cascadeOnDelete();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('projects', function (Blueprint $table) {
+            $table->dropForeign(['site_id']);
+
+            $table->foreign('site_id')
+                ->references('id')
+                ->on('sites');
+        });
+    }
+};

resources/views/bo/pages/projects/index.blade.php

@@ -33,7 +33,7 @@
         @foreach ($projectModels as $projectModel)
         <tr class="list-item border-bottom">
             <td class="text-center align-middle">{{ $projectModel->name }}</td>
-            <td class="text-center align-middle">{{ $projectModel->site->name ?? '' }}</td>
+            <td class="text-center align-middle">{{ $projectModel->site->name }}</td>
             <td class="text-end align-middle">
                 <form action="{{ route('bo.projects.destroy', $projectModel->id) }}"
                     method="POST"