1 line
3.6 KiB
PHP
1 line
3.6 KiB
PHP
<?php
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namespace app\common\model\food;
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use think\facade\Cache;
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/**
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* 商品分类模型
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*/
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class Category extends BaseModel
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{
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// 定义表名
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protected $name = 'food_category';
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// 定义主键
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protected $pk = 'category_id';
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protected $append = [];
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/**
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* 分类图片
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*/
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public function image()
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{
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return $this->hasOne('addons\\upload\\model\\UploadFile', 'file_id', 'image_id');
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}
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/**
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* 所有分类
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*/
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public static function getALL($shop_id)
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{
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$model = new static;
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$category = Cache::get('food_category_' . $model::$applet_id);
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if (!isset($category[$shop_id])) {
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$data = $model->with(['image'])->order(['sort','category_id' => 'desc'])->where(['shop_id' => $shop_id])->select();
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$all = !empty($data) ? $data : [];
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$tree = [];
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foreach ($all as $first) {
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if ($first['parent_id'] != 0) continue;
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$twoTree = [];
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foreach ($all as $two) {
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if ($two['parent_id'] != $first['category_id']) continue;
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$threeTree = [];
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foreach ($all as $three)
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$three['parent_id'] == $two['category_id']
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&& $threeTree[$three['category_id']] = $three;
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!empty($threeTree) && $two['child'] = $threeTree;
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$twoTree[$two['category_id']] = $two;
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}
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if (!empty($twoTree)) {
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array_multisort(array_column($twoTree, 'sort'), SORT_ASC, $twoTree);
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$first['child'] = $twoTree;
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}
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$tree[$first['category_id']] = $first;
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}
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$category[$shop_id] = compact('all', 'tree');
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Cache::set('food_category_' . $model::$applet_id,$category);
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}
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return $category[$shop_id];
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}
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/**
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* 获取所有分类
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*/
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public static function getCacheAll($shop_id)
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{
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return self::getALL($shop_id)['all'];
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}
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/**
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* 获取所有分类(树状结构)
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*/
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public static function getCacheTree($shop_id)
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{
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return self::getALL($shop_id)['tree'];
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}
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/**
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* 添加新记录
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*/
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public function add(array $data,$shop_id)
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{
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$data['shop_id'] = $shop_id;
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$data['applet_id'] = self::$applet_id;
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$this->deleteCache($shop_id);
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return $this->save($data);
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}
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/**
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* 编辑记录
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*/
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public function edit(array $data,$shop_id)
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{
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$this->deleteCache($shop_id);
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return $this->save($data) !== false;
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}
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/**
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* 删除分类
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*/
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public function remove()
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{
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// 判断是否存在菜品
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if ($goodsCount = (new Goods)->where(['category_id'=>$this->category_id])->count()) {
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$this->error = '该分类下存在' . $goodsCount . '个商品，不允许删除';
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return false;
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}
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// 判断是否存在子分类
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if ((new self)->where(['parent_id' => $this->category_id])->count()) {
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$this->error = '该分类下存在子分类，请先删除';
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return false;
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}
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$this->deleteCache($this->shop_id);
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return $this->delete();
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}
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/**
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* 删除缓存
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*/
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private function deleteCache($shop_id)
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{
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$category = Cache::get('food_category_' . self::$applet_id,[]);
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if(isset($category[$shop_id])){
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unset($category[$shop_id]);
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Cache::set('food_category_' . self::$applet_id, $category);
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}
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return true;
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}
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}
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