app/Http/Controllers/UserController.php

@@ -0,0 +1,64 @@
+<?php
+
+namespace App\Http\Controllers;
+
+use Illuminate\Http\Request;
+
+class UserController extends Controller
+{
+    /**
+     * Display a listing of the resource.
+     */
+    public function index()
+    {
+        //
+    }
+
+    /**
+     * Show the form for creating a new resource.
+     */
+    public function create()
+    {
+        //
+    }
+
+    /**
+     * Store a newly created resource in storage.
+     */
+    public function store(Request $request)
+    {
+        //
+    }
+
+    /**
+     * Display the specified resource.
+     */
+    public function show(string $id)
+    {
+        //
+    }
+
+    /**
+     * Show the form for editing the specified resource.
+     */
+    public function edit(string $id)
+    {
+        //
+    }
+
+    /**
+     * Update the specified resource in storage.
+     */
+    public function update(Request $request, string $id)
+    {
+        //
+    }
+
+    /**
+     * Remove the specified resource from storage.
+     */
+    public function destroy(string $id)
+    {
+        //
+    }
+}

app/Models/Admin.php

@@ -4,6 +4,7 @@ namespace App\Models;
 
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\MorphOne;
 
 class Admin extends Model
 {
@@ -14,4 +15,9 @@ class Admin extends Model
         'last_name',
         'middle_name',
     ];
+
+    public function user(): MorphOne
+    {
+        return $this->morphOne(User::class, 'userable');
+    }
 }

app/Models/Subject.php

@@ -6,6 +6,7 @@ use Illuminate\Contracts\Database\Eloquent\Builder;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsToMany;
+use Illuminate\Database\Eloquent\Relations\MorphOne;
 
 class Subject extends Model
 {
@@ -33,4 +34,9 @@ class Subject extends Model
             $query->whereRaw('name ilike ?', ["$name%"]);
         });
     }
+
+    public function user(): MorphOne
+    {
+        return $this->morphOne(User::class, 'userable');
+    }
 }

app/Models/Teacher.php

@@ -5,6 +5,7 @@ namespace App\Models;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsToMany;
+use Illuminate\Database\Eloquent\Relations\MorphOne;
 
 class Teacher extends Model
 {
@@ -26,4 +27,9 @@ class Teacher extends Model
     {
         return $this->belongsToMany(Grade::class);
     }
+
+    public function user(): MorphOne
+    {
+        return $this->morphOne(User::class, 'userable');
+    }
 }

app/Models/User.php

@@ -4,6 +4,7 @@ namespace App\Models;
 
 // use Illuminate\Contracts\Auth\MustVerifyEmail;
 use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Relations\MorphTo;
 use Illuminate\Foundation\Auth\User as Authenticatable;
 use Illuminate\Notifications\Notifiable;
 
@@ -43,4 +44,9 @@ class User extends Authenticatable
             'password' => 'hashed',
         ];
     }
+
+    public function userable(): MorphTo
+    {
+        return $this->morphTo();
+    }
 }

database/migrations/0001_01_01_000000_create_users_table.php

@@ -16,6 +16,7 @@ return new class extends Migration
             $table->string('email')->unique();
             $table->timestamp('email_verified_at')->nullable();
             $table->string('password');
+            $table->morphs('userable');
             $table->rememberToken();
             $table->timestamps();
         });

database/migrations/2024_04_17_085132_add_foreign_key_to_students.php

@@ -11,7 +11,7 @@ return new class extends Migration
      */
     public function up(): void
     {
-        Schema::table('users', function (Blueprint $table) {
+        Schema::table('students', function (Blueprint $table) {
             $table->foreignId('grade_id')->constrained('grades');
         });
     }
@@ -21,7 +21,7 @@ return new class extends Migration
      */
     public function down(): void
     {
-        Schema::table('users', function (Blueprint $table) {
+        Schema::table('students', function (Blueprint $table) {
             $table->dropColumn('grade_id');
         });
     }

routes/web.php

@@ -2,11 +2,13 @@
 
 use App\Http\Controllers\GradeController;
 use App\Http\Controllers\SubjectController;
+use App\Http\Controllers\UserController;
 use Illuminate\Support\Facades\Route;
 
 Route::get('/', function () {
-    return view('welcome');
+    return redirect()->route('grades.index');
 });
 
 Route::resource('grades', GradeController::class);
 Route::resource('subjects', SubjectController::class);
+Route::resource('users', UserController::class);