48 lines
955 B
PHP
48 lines
955 B
PHP
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<?php
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namespace App\Models;
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use Illuminate\Database\Eloquent\Factories\HasFactory;
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use Illuminate\Database\Eloquent\Model;
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class PointRule extends Model
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{
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use HasFactory;
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protected $fillable = [
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'name',
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'trigger',
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'points_per_unit',
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'unit_amount',
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'validity_days',
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'is_active',
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];
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protected $casts = [
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'points_per_unit' => 'integer',
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'unit_amount' => 'decimal:2',
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'validity_days' => 'integer',
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'is_active' => 'boolean',
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];
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/**
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* 取得有效規則
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*/
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public function scopeActive($query)
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{
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return $query->where('is_active', true);
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}
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/**
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* 根據金額計算可獲得點數
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*/
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public function calculatePoints(float $amount): int
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{
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if ($this->unit_amount <= 0) {
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return 0;
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}
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return (int) floor($amount / $this->unit_amount) * $this->points_per_unit;
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}
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}
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