Enhance Group and Document resources; add leader and helper teacher relationships, update navigation icons, and adjust navigation sorting.

database/factories/TeacherFactory.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace Database\Factories;
+
+use Illuminate\Database\Eloquent\Factories\Factory;
+
+/**
+ * @extends \Illuminate\Database\Eloquent\Factories\Factory<\App\Models\Teacher>
+ */
+class TeacherFactory extends Factory
+{
+    /**
+     * Define the model's default state.
+     *
+     * @return array<string, mixed>
+     */
+    public function definition(): array
+    {
+        return [
+            'name' => $this->faker->name(),
+            'bio' => $this->faker->paragraph(),
+        ];
+    }
+}

database/migrations/2025_08_30_164831_create_teachers_table.php

@@ -0,0 +1,30 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('teachers', function (Blueprint $table) {
+            $table->id();
+            $table->string('name');
+            $table->string('photo')->nullable();
+            $table->text('bio')->nullable();
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('teachers');
+    }
+};

database/migrations/2025_08_30_164935_add_leader_teacher_id_to_groups_table.php

@@ -0,0 +1,29 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('groups', function (Blueprint $table) {
+            $table->foreignId('leader_teacher_id')->nullable()->constrained('teachers')->nullOnDelete();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('groups', function (Blueprint $table) {
+            $table->dropForeign(['leader_teacher_id']);
+            $table->dropColumn('leader_teacher_id');
+        });
+    }
+};

database/migrations/2025_08_30_164952_create_group_teacher_table.php

@@ -0,0 +1,29 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::create('group_teacher', function (Blueprint $table) {
+            $table->id();
+            $table->foreignId('group_id')->constrained()->cascadeOnDelete();
+            $table->foreignId('teacher_id')->constrained()->cascadeOnDelete();
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('group_teacher');
+    }
+};

database/seeders/DatabaseSeeder.php

@@ -11,8 +11,9 @@ class DatabaseSeeder extends Seeder
      */
     public function run(): void
     {
+        // User::factory(10)->create();
         $this->call([
-            UserTableSeeder::class,
+            TeacherSeeder::class,
         ]);
     }
 }

database/seeders/TeacherSeeder.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace Database\Seeders;
+
+use App\Models\Teacher;
+use Illuminate\Database\Console\Seeds\WithoutModelEvents;
+use Illuminate\Database\Seeder;
+
+class TeacherSeeder extends Seeder
+{
+    /**
+     * Run the database seeds.
+     */
+    public function run(): void
+    {
+        Teacher::factory(10)->create();
+    }
+}