Curso model and migratiom

app/Models/Curso.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class Curso extends Model
+{
+    use HasFactory;
+    protected $table = 'cursos';
+    protected $fillable = [
+        'name',
+        'description'
+    ];
+
+    // relationships
+    public function turmas()
+    {
+        return $this->hasMany(Turma::class);
+    }
+}

app/Models/Topico.php

@@ -9,7 +9,6 @@ class Topico extends Model
 {
     use HasFactory;
     protected $table = 'topicos';
-    protected $guarded = [];
 
     // relationships
     public function exercicios()

app/Models/Turma.php

@@ -24,6 +24,10 @@ public function users()
     {
         return $this->belongsToMany(User::class);
     }
+    public function curso()
+    {
+        return $this->belongsTo(Curso::class);
+    }
     public function prazos()
     {
         return $this->hasMany(Prazo::class);

database/migrations/2024_07_25_122648_create_cursos_table.php

@@ -0,0 +1,36 @@
+<?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('cursos', function (Blueprint $table) {
+            $table->id();
+            $table->string('name');
+            $table->string('description');
+            $table->timestamps();
+        });
+        Schema::table('turmas', function (Blueprint $table) {
+            $table->foreignId('curso_id')->nullable()->constrained();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('turmas', function (Blueprint $table) {
+            $table->dropForeign(['curso_id']);
+            $table->dropColumn('curso_id');
+        });
+        Schema::dropIfExists('cursos');
+    }
+};