139 lines
3.5 KiB
PHP
139 lines
3.5 KiB
PHP
<?php
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namespace App\Models;
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use Illuminate\Database\Eloquent\Model;
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use Illuminate\Database\Eloquent\Relations\BelongsTo;
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use Illuminate\Database\Eloquent\Relations\HasMany;
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use Carbon\Carbon;
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class RetributionCalculation extends Model
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{
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protected $fillable = [
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'calculation_id',
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'building_type_id',
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'floor_number',
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'building_area',
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'retribution_amount',
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'calculation_detail',
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'calculated_at',
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];
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protected $casts = [
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'building_area' => 'decimal:2',
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'retribution_amount' => 'decimal:2',
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'calculation_detail' => 'array',
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'calculated_at' => 'timestamp',
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'floor_number' => 'integer',
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];
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/**
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* Get the building type
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*/
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public function buildingType(): BelongsTo
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{
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return $this->belongsTo(BuildingType::class);
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}
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/**
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* Get all calculable assignments
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*/
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public function calculableRetributions(): HasMany
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{
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return $this->hasMany(CalculableRetribution::class);
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}
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/**
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* Get active assignments only
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*/
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public function activeAssignments(): HasMany
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{
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return $this->hasMany(CalculableRetribution::class)->where('is_active', true);
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}
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/**
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* Generate unique calculation ID
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*/
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public static function generateCalculationId(): string
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{
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return 'CALC-' . date('Ymd') . '-' . str_pad(mt_rand(1, 9999), 4, '0', STR_PAD_LEFT);
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}
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/**
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* Boot method to auto-generate calculation_id
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*/
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protected static function boot()
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{
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parent::boot();
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static::creating(function ($model) {
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if (empty($model->calculation_id)) {
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$model->calculation_id = self::generateCalculationId();
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}
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if (empty($model->calculated_at)) {
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$model->calculated_at = now();
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}
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});
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}
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/**
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* Check if calculation is being used
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*/
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public function isInUse(): bool
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{
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return $this->activeAssignments()->exists();
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}
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/**
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* Get calculation summary
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*/
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public function getSummary(): array
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{
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return [
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'calculation_id' => $this->calculation_id,
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'building_type' => $this->buildingType->name ?? 'Unknown',
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'floor_number' => $this->floor_number,
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'building_area' => $this->building_area,
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'retribution_amount' => $this->retribution_amount,
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'calculated_at' => $this->calculated_at->format('Y-m-d H:i:s'),
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'in_use' => $this->isInUse(),
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];
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}
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/**
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* Create new calculation
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*/
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public static function createCalculation(
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int $buildingTypeId,
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int $floorNumber,
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float $buildingArea,
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float $retributionAmount,
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array $calculationDetail
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): self {
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return self::create([
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'calculation_id' => self::generateCalculationId(),
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'building_type_id' => $buildingTypeId,
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'floor_number' => $floorNumber,
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'building_area' => $buildingArea,
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'retribution_amount' => $retributionAmount,
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'calculation_detail' => $calculationDetail,
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'calculated_at' => Carbon::now()
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]);
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}
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/**
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* Get formatted retribution amount
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*/
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public function getFormattedAmount(): string
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{
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return 'Rp ' . number_format($this->retribution_amount, 2, ',', '.');
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}
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/**
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* Get calculation breakdown
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*/
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public function getCalculationBreakdown(): array
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{
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return $this->calculation_detail ?? [];
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}
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}
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