reconstruction of the project

app/Models/Quiz.php

@@ -3,14 +3,14 @@
 namespace App\Models;
 
 use App\Models\BaseModel;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
 
 class Quiz extends BaseModel
 {
     protected $table = 'quiz';
-    protected $primaryKey       = 'id';
-    protected $useAutoIncrement = true;
-    protected $useSoftDeletes   = false;
-    protected $protectFields    = true;
+
+    public $timestamps = true;
+
     protected $fillable = [
         'student_id',
         'school_id',
@@ -25,71 +25,24 @@ class Quiz extends BaseModel
         'updated_at',
     ];
 
-    protected bool $allowEmptyInserts = false;
-    protected bool $updateOnlyChanged = true;
+    protected $casts = [
+        'student_id'       => 'integer',
+        'school_id'        => 'integer',
+        'class_section_id' => 'integer',
+        'updated_by'       => 'integer',
+        'quiz_index'       => 'integer',
+        'score'            => 'decimal:2',
+        'created_at'       => 'datetime',
+        'updated_at'       => 'datetime',
+    ];
 
-    protected $casts = [];
-    protected $castHandlers = [];
-
-    // Dates
-    public $timestamps = true;
-    protected $dateFormat    = 'datetime';
-    const CREATED_AT = 'created_at';
-    const UPDATED_AT = 'updated_at';
-    protected $deletedField  = 'deleted_at';
-
-    // Validation
-    protected $validationRules      = [];
-    protected $validationMessages   = [];
-    protected $skipValidation       = false;
-    protected $cleanValidationRules = true;
-
-    // Callbacks
-    protected $allowCallbacks = true;
-    protected $beforeInsert   = [];
-    protected $afterInsert    = [];
-    protected $beforeUpdate   = [];
-    protected $afterUpdate    = [];
-    protected $beforeFind     = [];
-    protected $afterFind      = [];
-    protected $beforeDelete   = [];
-    protected $afterDelete    = [];
-
-
-    /**
-     * Calculate the average quiz score for a given student, semester, and school year.
-     *
-     * @param int $studentId The student's ID.
-     * @param string $semester The semester (e.g., 'Fall', 'Spring').
-     * @param string $schoolYear The school year (e.g., '2024-2025').
-     * @return float The average quiz score, or 0 if no scores are found.
-     */
-    public function getAverageQuizScore(int $studentId, string $semester, string $schoolYear): float
+    public function student(): BelongsTo
     {
-        // Fetch the quiz scores for the given student, semester, and school year
-        $builder = $this->builder();
-        $builder->select('score')
-                ->where('student_id', $studentId)
-                ->where('semester', $semester)
-                ->where('school_year', $schoolYear);
-        
-        // Execute the query and get the results
-        $query = $builder->get();
-        $results = $query->getResultArray();
+        return $this->belongsTo(Student::class, 'student_id');
+    }
 
-        // If there are no scores, return 0
-        if (empty($results)) {
-            return 0.0;
-        }
-
-        // Calculate the average score
-        $totalScore = 0;
-        $scoreCount = count($results);
-
-        foreach ($results as $result) {
-            $totalScore += $result['score'];
-        }
-
-        return $totalScore / $scoreCount;
+    public function classSection(): BelongsTo
+    {
+        return $this->belongsTo(ClassSection::class, 'class_section_id');
     }
 }