84 lines
2.2 KiB
PHP
84 lines
2.2 KiB
PHP
<?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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use Illuminate\Database\Eloquent\Relations\HasMany;
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use Illuminate\Database\Eloquent\Relations\HasOne;
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use Modules\SystemTool\Models\SysFileModel;
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/**
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* 客户等级模型（同一商品按等级上浮比例定价：售价 = 成本价 × (100 + percent) / 100）
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*/
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class CustomerLevelModel extends Model
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{
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use HasFactory;
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/** 状态：停用 */
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public const int STATUS_DISABLED = 0;
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/** 状态：正常 */
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public const int STATUS_NORMAL = 1;
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protected $table = 'customer_level';
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protected $primaryKey = 'id';
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protected $fillable = [
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'name',
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'percent',
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'sort',
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'status',
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'icon_id'
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];
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protected $casts = [
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'percent' => 'decimal:2',
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'sort' => 'integer',
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'status' => 'integer',
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'created_at' => 'datetime:Y-m-d H:i:s',
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'updated_at' => 'datetime:Y-m-d H:i:s',
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];
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protected $appends = ['icon_url'];
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/**
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* 关联图标
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*/
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public function icon(): HasOne
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{
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return $this->hasOne(SysFileModel::class, 'id', 'icon_id');
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}
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// 图标链接
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public function getIconUrlAttribute()
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{
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if($this->icon) {
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return $this->icon->preview_url;
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}
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return null;
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}
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/**
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* 该等级下的门店
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*/
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public function stores(): HasMany
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{
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return $this->hasMany(StoreModel::class, 'level_id', 'id');
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}
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/**
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* 按等级上浮比例计算售价（统一换算入口，金额走 bcmath 保证两位小数精度）
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*
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* 售价 = 成本价 × (100 + percent) / 100（四舍五入保留两位）。
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*
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* @param string|int|float $costPrice 商品成本价（decimal cast 字符串）
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* @param string|int|float $percent 价格上浮比例（30 = 上浮 30%）
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* @return string 两位小数字符串，如 '13.05'
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*/
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public static function calcLevelPrice(string|int|float $costPrice, string|int|float $percent): string
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{
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$multiplier = bcadd('100', (string) $percent, 4);
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return bcdiv(bcmul((string) $costPrice, $multiplier, 4), '100', 2);
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}
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}
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