package com.ishop.mobile.api;
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import com.ishop.merchant.ProductConstants;
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import com.ishop.mobile.BaseApi;
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import com.ishop.mobile.pojo.CartNumParam;
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import com.ishop.mobile.util.VoUtils;
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import com.ishop.model.po.EbCart;
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import com.ishop.model.po.EbProduct;
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import com.ishop.model.po.EbProductAttrValue;
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import com.ishop.model.response.CartInfoResponse;
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import com.ishop.model.response.CartMerchantResponse;
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import com.walker.infrastructure.utils.StringUtils;
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import com.walker.web.ResponseValue;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestMethod;
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import org.springframework.web.bind.annotation.RestController;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.stream.Collectors;
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@RestController
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@RequestMapping("/front/cart")
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public class CartApi extends BaseApi {
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/**
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* 获取购物车数量
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* @return
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* @date 2023-09-13
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*/
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@RequestMapping(value = "/count", method = RequestMethod.GET)
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public ResponseValue count(CartNumParam request){
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long userId = this.getCurrentUserId();
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Map<String, Integer> map = new HashMap<>();
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int num;
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if (request.getType().equals("total")) {
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num = this.getCartService().queryUserCountByStatus(userId, request.getNumType());
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} else {
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num = this.getCartService().queryUserSumByStatus(userId, request.getNumType());
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}
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map.put("count", num);
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return ResponseValue.success(map);
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}
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/**
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* 购物车列表
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* @param isValid 类型，true-有效商品，false-无效商品
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* @return
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* @date 2023-07-13
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*/
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@RequestMapping(value = "/list", method = RequestMethod.GET)
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public ResponseValue list(Boolean isValid){
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long userId = this.getCurrentUserId();
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List<EbCart> list = this.getCartService().queryList(isValid, userId);
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List<CartMerchantResponse> data = new ArrayList<>(4);
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if(StringUtils.isEmptyList(list)){
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return ResponseValue.success(data);
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}
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List<Integer> merIdList = list.stream().map(EbCart::getMerId).distinct().collect(Collectors.toList());
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CartMerchantResponse merchantResponse = null;
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List<EbCart> merCartList = null;
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List<CartInfoResponse> cartDetailList = null;
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for(Integer merId : merIdList){
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merchantResponse = new CartMerchantResponse();
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merchantResponse.setMerId(merId);
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merchantResponse.setMerName(this.getMerchantCache().get(merId).getName());
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merCartList = list.stream().filter(e -> e.getMerId().equals(merId)).collect(Collectors.toList());
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cartDetailList = new ArrayList<>(2);
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for(EbCart cart : merCartList){
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CartInfoResponse cartInfoResponse = VoUtils.acquireCartInfoResponse(cart);
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// 获取商品信息
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EbProduct product = this.getProductService().get(new EbProduct(cart.getProductId()));
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cartInfoResponse.setProName(product.getName());
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cartInfoResponse.setImage(product.getImage());
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if (!isValid) {// 失效商品直接掠过
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cartInfoResponse.setAttrStatus(false);
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continue;
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}
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// 获取对应的商品规格信息(只会有一条信息)
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EbProductAttrValue attrValue = this.getProductAttrValueService()
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.queryByIdAndProductIdAndType(cart.getProductAttrUnique(), cart.getProductId(), ProductConstants.PRODUCT_TYPE_NORMAL);
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// 规格不存在即失效
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if (attrValue == null) {
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cartInfoResponse.setAttrStatus(false);
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continue;
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}
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if (StringUtils.isNotEmpty(attrValue.getImage())) {
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cartInfoResponse.setImage(attrValue.getImage());
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}
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cartInfoResponse.setSku(attrValue.getSku());
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cartInfoResponse.setPrice(attrValue.getPrice());
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cartInfoResponse.setAttrId(attrValue.getId());
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cartInfoResponse.setAttrStatus(attrValue.getStock() > 0);
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cartInfoResponse.setStock(attrValue.getStock());
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cartDetailList.add(cartInfoResponse);
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}
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merchantResponse.setCartInfoList(cartDetailList);
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}
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data.add(merchantResponse);
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return ResponseValue.success(data);
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}
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}
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