add relationships

app/Models/Department.php

@@ -4,6 +4,7 @@ namespace App\Models;
 
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\HasMany;
 
 class Department extends Model
 {
@@ -14,4 +15,14 @@ class Department extends Model
         'name',
         'created_by_id',
     ];
+
+    public function users(): HasMany
+    {
+        return $this->hasMany(User::class);
+    }
+
+    public function projects(): HasMany
+    {
+        return $this->hasMany(Project::class);
+    }
 }

app/Models/Project.php

@@ -4,6 +4,8 @@ namespace App\Models;
 
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
 
 class Project extends Model
 {
@@ -16,4 +18,13 @@ class Project extends Model
         'department_id',
         'created_by_id',
     ];
+
+    public function department(): BelongsTo
+    {
+        return $this->belongsTo(Department::class);
+    }
+
+    public function users()
+    {
+    }
 }

routes/web.php

@@ -1,7 +1,9 @@
 <?php
 
+use App\Http\Controllers\DepartmentController;
 use App\Http\Controllers\LabelController;
 use App\Http\Controllers\ProfileController;
+use App\Http\Controllers\ProjectController;
 use App\Http\Controllers\TaskController;
 use App\Http\Controllers\TaskStatusesController;
 use Illuminate\Support\Facades\Route;
@@ -22,6 +24,8 @@ Route::middleware('auth')->group(function () {
 
 Route::middleware(['auth', 'verified'])->prefix('admin')->group(function () {
     Route::resources([
+        '/departments' => DepartmentController::class,
+        '/projects' => ProjectController::class,
         '/tasks' => TaskController::class,
         '/labels' => LabelController::class,
         '/task_statuses' => TaskStatusesController::class,