recreate project

app/Models/HomeworkModel.php

@@ -0,0 +1,107 @@
+<?php
+
+namespace App\Models;
+
+use CodeIgniter\Model;
+
+class HomeworkModel extends Model
+{
+    protected $table            = 'homework';
+    protected $primaryKey       = 'id';
+    protected $useAutoIncrement = true;
+    protected $returnType       = 'array';
+    protected $useSoftDeletes   = false;
+    protected $protectFields    = true;
+    protected $allowedFields    = [
+        'student_id',
+        'school_id',
+        'class_section_id',
+        'updated_by',
+        'homework_index',
+        'score',
+        'comment',
+        'semester',
+        'school_year',
+        'created_at',
+        'updated_at'
+    ];
+
+    protected bool $allowEmptyInserts = false;
+    protected bool $updateOnlyChanged = true;
+
+    protected array $casts = [];
+    protected array $castHandlers = [];
+
+    // Dates
+    protected $useTimestamps = false;
+    protected $dateFormat    = 'datetime';
+    protected $createdField  = 'created_at';
+    protected $updatedField  = '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    = [];
+
+/**
+ * Calculates the average homework score for a student
+ * 
+ * @param int $studentId The student ID
+ * @param string $semester The semester (e.g., 'Fall', 'Spring')
+ * @param string $schoolYear The school year (e.g., '2023-2024')
+ * @param int|null $classSectionId Optional class section filter
+ * @return float|null The average score (null if no homework found)
+ */
+public function getAverageHomeworkScore(int $studentId, string $semester, string $schoolYear, ?int $classSectionId = null): ?float
+{
+    // Pull all scores, then compute based only on non-blank numeric entries
+    $builder = $this->db->table('homework');
+    $builder->select('score')
+        ->where('student_id', $studentId)
+        ->where('semester', $semester)
+        ->where('school_year', $schoolYear);
+
+    if ($classSectionId !== null) {
+        $builder->where('class_section_id', $classSectionId);
+    }
+
+    $rows = $builder->get()->getResultArray();
+    if (empty($rows)) {
+        return null;
+    }
+
+    $totalScore = 0.0;
+    $scoreCount = 0;
+
+    foreach ($rows as $row) {
+        $score = $row['score'] ?? null;
+        if ($score === null || (is_string($score) && trim($score) === '') || $score === '' || !is_numeric($score)) {
+            continue;
+        }
+        $totalScore += (float) $score;
+        $scoreCount++;
+    }
+
+    if ($scoreCount === 0) {
+        // All entries are blank/null
+        return null;
+    }
+
+    return round($totalScore / $scoreCount, 2);
+}
+
+
+}