root
144 lines
4.2 KiB
PHP
144 lines
4.2 KiB
PHP
<?php
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namespace App\Models;
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use Illuminate\Database\Eloquent\Builder;
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use App\Models\BaseModel;
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use Illuminate\Database\Eloquent\Relations\BelongsTo;
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class SubjectCurriculum extends BaseModel
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{
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protected $table = 'subject_curriculum_items';
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protected $fillable = [
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'class_id',
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'subject',
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'unit_number',
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'unit_title',
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'chapter_name',
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'created_at',
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'updated_at',
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];
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public $timestamps = true;
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protected $casts = [
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'class_id' => 'integer',
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'unit_number' => 'integer',
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'created_at' => 'datetime',
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'updated_at' => 'datetime',
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];
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/* ============================================================
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* Relationships (optional)
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* ============================================================
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*/
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public function class(): BelongsTo
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{
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// Rename SchoolClass/ClassModel to match your project
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return $this->belongsTo(SchoolClass::class, 'class_id');
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}
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/* ============================================================
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* Scopes
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* ============================================================
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*/
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public function scopeForClass(Builder $q, int $classId): Builder
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{
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return $q->where('class_id', $classId);
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}
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public function scopeForSubject(Builder $q, string $subject): Builder
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{
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return $q->where('subject', $subject);
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}
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public function scopeOrdered(Builder $q): Builder
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{
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return $q->orderBy('unit_number', 'asc')
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->orderBy('chapter_name', 'asc');
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}
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/* ============================================================
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* legacy-compatible method
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* ============================================================
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*/
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/**
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* legacy: getOptionsForClass($classId, $subject)
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*/
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public static function getOptionsForClass(int $classId, string $subject): array
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{
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return static::query()
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->forClass($classId)
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->forSubject($subject)
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->ordered()
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->get()
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->all();
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}
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/* ============================================================
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* Enhancements for dropdowns (optional)
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* ============================================================
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*/
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/**
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* Distinct unit options for dropdowns:
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* returns array of [unit_number, unit_title]
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*/
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public static function unitOptions(int $classId, string $subject): array
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{
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return static::query()
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->forClass($classId)
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->forSubject($subject)
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->select('unit_number', 'unit_title')
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->whereNotNull('unit_number')
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->orderBy('unit_number', 'asc')
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->distinct()
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->get()
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->map(fn ($r) => [
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'unit_number' => (int) $r->unit_number,
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'unit_title' => (string) ($r->unit_title ?? ''),
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])
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->all();
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}
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/**
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* Distinct chapter names for a unit (useful for 2nd dropdown).
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*/
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public static function chapterOptions(int $classId, string $subject, int $unitNumber): array
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{
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return static::query()
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->forClass($classId)
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->forSubject($subject)
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->where('unit_number', $unitNumber)
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->select('chapter_name')
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->whereNotNull('chapter_name')
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->orderBy('chapter_name', 'asc')
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->distinct()
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->pluck('chapter_name')
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->filter(fn ($v) => $v !== null && trim((string)$v) !== '')
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->values()
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->all();
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}
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/* ============================================================
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* Optional validation helper
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* ============================================================
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*/
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public static function rules(bool $updating = false): array
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{
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$req = $updating ? 'sometimes' : 'required';
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return [
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'class_id' => [$req, 'integer', 'min:1'],
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'subject' => [$req, 'string', 'max:120'],
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'unit_number' => ['nullable', 'integer', 'min:0'],
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'unit_title' => ['nullable', 'string', 'max:255'],
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'chapter_name' => ['nullable', 'string', 'max:255'],
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];
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}
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}
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