70 lines
1.9 KiB
PHP
70 lines
1.9 KiB
PHP
<?php
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namespace app\api\logic;
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use app\common\basics\Logic;
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use app\common\model\goods\Goods;
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use app\common\model\goods\GoodsBrand;
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class GoodsBrandLogic extends Logic
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{
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/**
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* 获取品牌列表
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*/
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public static function getGoodsBrandList()
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{
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$where = [
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'del' => 0, // 未删除
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'is_show' => 1, // 显示
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];
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$list = GoodsBrand::field('id,name,image,initial')
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->where($where)
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->order('sort', 'asc')
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->select()
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->toArray();
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return self::format($list);
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}
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/**
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* 格式化品牌数据
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*/
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public static function format($list)
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{
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// 生成A-Z字母
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$letters = range('A', 'Z');
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$newList = [];
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foreach($letters as $key => $letter) {
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$newList[$key]['letter'] = $letter;
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$newList[$key]['list'] = [];
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foreach($list as $item) {
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if(strtoupper($item['initial']) == $letter) {
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$newList[$key]['list'][] = $item;
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}
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}
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// 去除字母下没有品牌的项
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if(!$newList[$key]['list']) {
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unset($newList[$key]);
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}
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}
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// 重置下标索引
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$newList = array_merge([], $newList);
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return $newList;
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}
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// 通过分类ID 获取相关联的品牌列表
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// 逻辑： 通过分类ID查询以该分类ID为三级分类的产品有哪些，再从产品中获得品牌ID再去重
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public static function getByCateId($cateId)
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{
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$list = Goods::alias('g')
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->field('g.brand_id')
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->join('goods_brand gb', 'g.brand_id = gb.id')
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->where('g.third_cate_id', $cateId)
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->where('gb.del',0)
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->where('gb.is_show',1)
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->group('g.brand_id')
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->field('gb.id,gb.name')
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->select()->toArray();
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return $list;
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}
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} |