alrahma_sunday_school/app/Models/FinalScoreModel.php

<?php

namespace App\Models;

use CodeIgniter\Model;

class FinalScoreModel extends Model
{
    protected $table            = 'final_score';
    protected $primaryKey       = 'id';
    protected $useAutoIncrement = true;

    protected $allowedFields = [
        'student_id',
        'school_id',
        'class_section_id',
        'teacher_id',
        'score',
        'score_letter',
        'comment',
        'semester',
        'school_year',
        'created_at',
        'updated_at'
    ];

    // Function to get the final exam score for a specific student, semester, and school year
    public function getFinalExamScore($studentId, $semester, $schoolYear)
    {
        // Query the final_score table for the final exam score based on student ID, semester, and school year
        $result = $this->select('score')  // We only need the score
                       ->where('student_id', $studentId)
                       ->where('semester', $semester)
                       ->where('school_year', $schoolYear)
                       ->first();  // Get the first matching result

        // Return the score, or null if no result is found
        return $result ? $result['score'] : null;
    }
}