cart and favourite apis

src/main/java/com/example/freshonline/controller/CartController.java

@@ -3,37 +3,27 @@ package com.example.freshonline.controller;
 import com.alibaba.fastjson.JSONArray;
 import com.alibaba.fastjson.JSONObject;
 import com.example.freshonline.service.CartService;
-import com.example.freshonline.service.StockedGoodsService;
-import com.example.freshonline.utils.PicUtils;
-import com.example.freshonline.utils.RespBuilder;
-import com.example.freshonline.utils.ValidationChecker;
+
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
-import org.springframework.web.multipart.MultipartFile;
 
 import com.example.freshonline.model.Cart;
-import com.example.freshonline.model.joined_tables.GoodsCategory;
 
 import java.io.PrintWriter;
 import java.io.StringWriter;
-import java.util.ArrayList;
 import java.util.List;
-import java.util.Map;
 
-/**
- * @author Josh Sun
- */
 @RestController
 public class CartController {
 
     @Autowired
     private CartService cartService;
 
-    static public class ID {
+    static public class Id {
         private int userId;
         private int goodsId;
 
-        public ID() {
+        public Id() {
         }
 
         public int getUserId() {
@@ -53,13 +43,39 @@ public class CartController {
         }
     }
 
+     
+    @GetMapping("/cart_element")
+    public JSONObject getCartGood(@RequestParam("user_id") String user_id, @RequestParam("goods_id") String goods_id) {
+        JSONObject res = new JSONObject();
+
+        try {
+            Integer userId = Integer.parseInt(user_id);
+            Integer goodsId = Integer.parseInt(goods_id);
+            Cart cart_goods = cartService.getCartEntry(userId,goodsId);
+        
+            JSONObject data = (JSONObject) JSONObject.toJSON(cart_goods);
+            res.put("code", 0);
+            res.put("data", data);
+            return res;
+        } catch (Exception e) {
+            StringWriter sw = new StringWriter();
+            PrintWriter pw = new PrintWriter(sw);
+            e.printStackTrace(pw);
+
+            res.put("code", 1);
+            res.put("msg", sw.toString());
+            return res;
+
+        }
+    }
+
     @GetMapping("/cart")
-    public JSONObject getGoodsDetails(@RequestBody JSONObject req) {
+    public JSONObject getCartGoods(@RequestParam("user_id") String user_id) {
         JSONObject res = new JSONObject();
 
         try {
-            ID id = req.toJavaObject(ID.class);
-            List<Cart> cart_goods = cartService.getCart(id.getUserId());
+            Integer id = Integer.parseInt(user_id);
+            List<Cart> cart_goods = cartService.getCart(id);
             JSONArray data = (JSONArray) JSONArray.toJSON(cart_goods);
             res.put("code", 0);
             res.put("data", data);
@@ -123,7 +139,7 @@ public class CartController {
         JSONObject res = new JSONObject();
 
         try {
-            ID id = req.toJavaObject(ID.class);
+            Id id = req.toJavaObject(Id.class);
             cartService.deleteFromCart(id.getUserId(),id.getGoodsId());
             res.put("code", 0);
             return res;

src/main/java/com/example/freshonline/controller/FavouriteController.java

+package com.example.freshonline.controller;
+
+import com.example.freshonline.service.FavouriteService;
+import com.example.freshonline.model.Favorite;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.util.List;
+import com.alibaba.fastjson.JSONArray;
+import com.alibaba.fastjson.JSONObject;
+
+@RestController
+public class FavouriteController {
+    
+    @Autowired
+    private FavouriteService favouriteService;
+
+    @GetMapping("/favourite")
+    public JSONObject checkFavourite(@RequestParam("user_id") String user_id, @RequestParam("goods_id") String goods_id) {
+        JSONObject res = new JSONObject();
+
+        try {
+            Integer userID = Integer.parseInt(user_id);
+            Integer goodsID = Integer.parseInt(goods_id);
+            
+            res.put("code", 0);
+            res.put("result", favouriteService.isFavourite(userID, goodsID));
+            return res;
+        } catch (Exception e) {
+            StringWriter sw = new StringWriter();
+            PrintWriter pw = new PrintWriter(sw);
+            e.printStackTrace(pw);
+
+            res.put("code", 1);
+            res.put("msg", sw.toString());
+            return res;
+
+        }
+    }
+
+
+    @PutMapping("/favourite")
+    public JSONObject addFavEntry(@RequestBody JSONObject req) {
+        JSONObject res = new JSONObject();
+
+        try {
+            Favorite favorite = req.toJavaObject(Favorite.class);
+            favouriteService.addFavourite(favorite);
+            res.put("code", 0);
+            return res;
+        } catch (Exception e) {
+            StringWriter sw = new StringWriter();
+            PrintWriter pw = new PrintWriter(sw);
+            e.printStackTrace(pw);
+
+            res.put("code", 1);
+            res.put("msg", sw.toString());
+            return res;
+
+        }
+    }
+
+
+    @DeleteMapping("/favourite")
+    public JSONObject deleteFavEntry(@RequestBody JSONObject req) {
+        JSONObject res = new JSONObject();
+
+        try {
+            Favorite favorite = req.toJavaObject(Favorite.class);
+            favouriteService.deleteFavourite(favorite);
+            res.put("code", 0);
+            return res;
+        } catch (Exception e) {
+            StringWriter sw = new StringWriter();
+            PrintWriter pw = new PrintWriter(sw);
+            e.printStackTrace(pw);
+            res.put("code", 1);
+            res.put("msg", sw.toString());
+            return res;
+        }
+    }
+    
+}

src/main/java/com/example/freshonline/service/CartService.java

@@ -36,6 +36,10 @@ public class CartService {
         return cartMapper.selectByUserID(userId);
     }
 
+    public Cart getCartEntry(Integer userId, Integer goodsId) {
+        return cartMapper.selectByPrimaryKey(userId, goodsId);
+    }
+
 
 
 

src/main/java/com/example/freshonline/service/FavouriteService.java

+package com.example.freshonline.service;
+
+
+import com.example.freshonline.dao.FavoriteMapper;
+import com.example.freshonline.model.Favorite;
+import com.example.freshonline.model.FavoriteExample;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.math.BigDecimal;
+import java.time.LocalDateTime;
+import java.util.List;
+
+@Service
+public class FavouriteService {
+    @Autowired
+    private FavoriteMapper favoriteMapper;
+
+    public boolean isFavourite(Integer userID, Integer goodsID){
+        FavoriteExample example = new FavoriteExample();
+        example.or().andUserIdEqualTo(userID).andGoodsIdEqualTo(goodsID);
+        long count = favoriteMapper.countByExample(example);
+        return count!=0;
+
+    }
+
+    public void addFavourite(Favorite favorite) {
+        favoriteMapper.insert( favorite);
+    }
+
+    public void deleteFavourite(Favorite favorite) {
+        favoriteMapper.deleteByPrimaryKey( favorite.getUserId(), favorite.getGoodsId());
+    }
+    
+}