recreate project
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@@ -0,0 +1,77 @@
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<?php
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namespace App\Models;
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use CodeIgniter\Model;
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class ProjectModel extends Model
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{
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protected $table = 'project';
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protected $primaryKey = 'id';
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protected $useAutoIncrement = true;
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protected $allowedFields = [
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'student_id',
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'school_id',
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'class_section_id',
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'updated_by',
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'project_index',
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'score',
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'comment',
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'semester',
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'school_year',
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'created_at',
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'updated_at'
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];
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/**
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* Calculate the average project score for a given student, semester, and school year.
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*
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* @param int $studentId The student's ID.
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* @param string $semester The semester (e.g., 'Fall', 'Spring').
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* @param string $schoolYear The school year (e.g., '2024-2025').
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* @param int|null $classSectionId Optional class section filter.
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* @return float|null The average project score, or null if no scores are found.
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*/
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public function getAverageProjectScore(int $studentId, string $semester, string $schoolYear, ?int $classSectionId = null): ?float
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{
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// Fetch the project scores for the given student, semester, and school year
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$builder = $this->builder();
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$builder->select('score')
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->where('student_id', $studentId)
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->where('semester', $semester)
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->where('school_year', $schoolYear);
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if ($classSectionId !== null) {
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$builder->where('class_section_id', $classSectionId);
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}
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// Execute the query and get the results
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$query = $builder->get();
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$results = $query->getResultArray();
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// If there are no scores, return null
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if (empty($results)) {
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return null;
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}
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// Calculate the average score (ignore blank/null/non-numeric)
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$totalScore = 0.0;
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$scoreCount = 0;
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foreach ($results as $result) {
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$score = $result['score'] ?? null;
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if ($score === null || (is_string($score) && trim($score) === '') || $score === '' || !is_numeric($score)) {
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continue;
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}
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$totalScore += (float) $score;
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$scoreCount++;
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}
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if ($scoreCount === 0) {
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return null;
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}
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return $totalScore / $scoreCount;
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}
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}
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