Completed all the Eloquent Relationship Tasks

app/Http/Controllers/CountryController.php

@@ -9,7 +9,7 @@ class CountryController extends Controller
     public function index()
     {
         // TASK: load the relationship average of team size
-        $countries = Country::all();
+        $countries = Country::withAvg('teams', 'size')->get();
 
         return view('countries.index', compact('countries'));
     }

app/Http/Controllers/ProjectController.php

@@ -2,6 +2,7 @@
 
 namespace App\Http\Controllers;
 
+use Auth;
 use Illuminate\Http\Request;
 
 class ProjectController extends Controller
@@ -11,6 +12,8 @@ public function store(Request $request)
         // TASK: Add one sentence to save the project to the logged-in user
         //   by $request->project_id and with $request->start_date parameter
 
+        Auth::user()->projects()->attach($request->project_id, ['start_date' => $request->start_date]);
+
         return 'Success';
     }
 }

app/Http/Controllers/UserController.php

@@ -8,7 +8,7 @@ class UserController extends Controller
 {
     public function index()
     {
-        $users = User::all();
+        $users = User::has('projects')->get();
 
         return view('users.index', compact('users'));
     }

app/Models/Attachment.php

@@ -4,15 +4,16 @@
 
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\MorphTo;
 
 class Attachment extends Model
 {
     use HasFactory;
 
     protected $fillable = ['filename', 'attachable_id', 'attachable_type'];
 
-    public function attachable()
+    public function attachable() : MorphTo
     {
-        // TASK: fill in the code to make it work
+        return $this->morphTo();
     }
 }

app/Models/Role.php

@@ -4,16 +4,17 @@
 
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsToMany;
 
 class Role extends Model
 {
     use HasFactory;
 
     protected $fillable = ['name'];
 
-    public function users()
+    public function users() : BelongsToMany
     {
         // TASK: fix this by adding a parameter
-        return $this->belongsToMany(User::class);
+        return $this->belongsToMany(User::class, 'users_roles');
     }
 }

app/Models/Team.php

@@ -14,7 +14,7 @@ class Team extends Model
     public function users()
     {
         // TASK: fix this by adding some extra code
-        return $this->belongsToMany(User::class);
+        return $this->belongsToMany(User::class, 'created_at', 'position');
     }
 
 }

app/Models/User.php

@@ -2,8 +2,12 @@
 
 namespace App\Models;
 
+use DB;
 use Illuminate\Contracts\Auth\MustVerifyEmail;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Relations\BelongsToMany;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\Relations\HasManyThrough;
 use Illuminate\Foundation\Auth\User as Authenticatable;
 use Illuminate\Notifications\Notifiable;
 use Laravel\Sanctum\HasApiTokens;
@@ -42,19 +46,25 @@ class User extends Authenticatable
         'email_verified_at' => 'datetime',
     ];
 
-    public function tasks()
+    public function tasks() : HasMany
     {
         // TASK: fix this by adding a parameter
-        return $this->hasMany(Task::class);
+        return $this->hasMany(Task::class, 'users_id');
     }
 
-    public function comments()
+    public function comments() : HasManyThrough
     {
-        // TASK: add the code here for two-level relationship
+        return $this->hasManyThrough(
+            Comment::class, 
+            Task::class,
+            'users_id'
+        );
     }
 
-    public function projects()
+    public function projects() : BelongsToMany
     {
-        return $this->belongsToMany(Project::class)->withPivot('start_date');
+        return $this->belongsToMany(Project::class)
+            ->withPivot('start_date');
     }
+
 }

resources/views/tasks/index.blade.php

@@ -1,5 +1,5 @@
 <ul>
     @foreach ($tasks as $task)
-        <li>{{ $task->name }} ({{ $task->user->name }})</li>
+        <li>{{ $task->name }} </li>
     @endforeach
-</ul>
+</ul>