added Lesson model

app/Models/Lesson.php

@@ -0,0 +1,17 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class Lesson extends Model
+{
+    use HasFactory;
+
+    protected $fillable = [
+        'name',
+        'type',
+        'lesson_date',
+    ];
+}

database/migrations/2024_05_07_111420_create_student_subject_table.php

@@ -12,9 +12,10 @@ return new class extends Migration
     public function up(): void
     {
         Schema::create('student_subject', function (Blueprint $table) {
+            $table->id();
             $table->foreignId('student_id')->constrained('students')->onDelete('cascade');
             $table->foreignId('subject_id')->constrained('subjects')->onDelete('cascade');
-            $table->unsignedInteger('score');
+            $table->unsignedInteger('mark');
             $table->timestamps();
         });
     }

database/migrations/2024_05_07_123620_create_lessons_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('lessons', function (Blueprint $table) {
+            $table->id();
+            $table->string('name');
+            $table->string('type');
+            $table->date('lesson_date')->nullable();
+            $table->timestamps();
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::dropIfExists('lessons');
+    }
+};

database/migrations/2024_05_07_125455_add_foreign_key_to_student_subject.php

@@ -0,0 +1,28 @@
+<?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('student_subject', function (Blueprint $table) {
+            $table->foreignId('lesson_id')->constrained('lessons')->onDelete('cascade');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('student_subject', function (Blueprint $table) {
+            $table->dropColumn('lesson_id');
+        });
+    }
+};