root
103 lines
2.5 KiB
PHP
103 lines
2.5 KiB
PHP
<?php
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namespace App\Models;
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use App\Models\BaseModel;
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use Illuminate\Support\Facades\DB;
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class Homework extends BaseModel
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{
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protected $table = 'homework';
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/**
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* legacy: useTimestamps = false (even though created_at/updated_at columns exist).
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* Keep it OFF to match behavior. If you want Laravel to auto-manage, tell me.
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*/
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public $timestamps = false;
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protected $fillable = [
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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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'homework_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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protected $casts = [
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'student_id' => 'integer',
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'school_id' => 'integer',
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'class_section_id' => 'integer',
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'updated_by' => 'integer',
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'homework_index' => 'integer',
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// keep numeric; change to 'integer' if your scores are whole numbers
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'score' => 'decimal:2',
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'created_at' => 'datetime',
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'updated_at' => 'datetime',
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];
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/* Optional relationships */
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public function student()
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{
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return $this->belongsTo(Student::class, 'student_id');
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}
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public function classSection()
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{
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return $this->belongsTo(ClassSection::class, 'class_section_id');
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}
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/**
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* Laravel equivalent of legacy getAverageHomeworkScore()
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* Computes average based only on non-blank numeric scores.
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*/
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public static function getAverageHomeworkScore(
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int $studentId,
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string $semester,
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string $schoolYear,
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?int $classSectionId = null
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): ?float {
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$q = DB::table('homework')
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->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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$q->where('class_section_id', $classSectionId);
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}
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$rows = $q->get();
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if ($rows->isEmpty()) {
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return null;
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}
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$total = 0.0;
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$count = 0;
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foreach ($rows as $r) {
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$score = $r->score ?? null;
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if ($score === null) continue;
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if (is_string($score) && trim($score) === '') continue;
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if ($score === '') continue;
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if (!is_numeric($score)) continue;
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$total += (float) $score;
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$count++;
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}
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if ($count === 0) {
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return null;
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}
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return round($total / $count, 2);
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}
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} |