bug fix

foyo-service/src/main/java/com/huiju/foyo/common/CommUtils.java

@@ -0,0 +1,29 @@
+package com.huiju.foyo.common;
+
+import javax.servlet.http.HttpServletRequest;
+
+public class CommUtils {
+    public static boolean isStrEmpty(String str) {
+        return null == str || "".equals(str.trim()) || "null".equalsIgnoreCase(str) || "undefined".equalsIgnoreCase(str);
+    }
+
+    public static String getIpAddr(HttpServletRequest request) {
+        String ip = request.getHeader("X-Real-IP");
+        if (!isStrEmpty(ip) && !"unknown".equalsIgnoreCase(ip)) {
+            return ip;
+        }
+
+        ip = request.getHeader("X-Forwarded-For");
+        if (!isStrEmpty(ip) && !"unknown".equalsIgnoreCase(ip)) {
+            // 多次反向代理后会有多个IP值，第一个为真实IP。
+            int index = ip.indexOf(',');
+            if (index != -1) {
+                return ip.substring(0, index);
+            } else {
+                return ip;
+            }
+        } else {
+            return request.getRemoteAddr();
+        }
+    }
+}

foyo-service/src/main/java/com/huiju/foyo/common/ResponseBean.java

@@ -23,6 +23,18 @@ public class ResponseBean<T> implements Serializable {
     public ResponseBean() {
     }
 
+    public static ResponseBean success(Object o) {
+        ResponseBean resp = new ResponseBean();
+        resp.addSuccess(o);
+        return resp;
+    }
+
+    public static ResponseBean error(String message) {
+        ResponseBean resp = new ResponseBean();
+        resp.addError(message);
+        return resp;
+    }
+
     public void addDefaultError() {
         this.code = "1";
         this.message = "失败";

foyo-service/src/main/java/com/huiju/foyo/controller/TaCaseController.java

@@ -4,24 +4,26 @@ import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.huiju.foyo.common.BaseController;
+import com.huiju.foyo.common.CommUtils;
 import com.huiju.foyo.common.ConstantFoyo;
 import com.huiju.foyo.common.ResponseBean;
 import com.huiju.foyo.model.TaCase;
+import com.huiju.foyo.model.TaCover;
+import com.huiju.foyo.model.TaLikeLog;
 import com.huiju.foyo.service.ITaCaseService;
+import com.huiju.foyo.service.ITaCoverService;
+import com.huiju.foyo.service.ITaLikeLogService;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.web.bind.annotation.PathVariable;
-import org.springframework.web.bind.annotation.RequestBody;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RequestMethod;
-import org.springframework.web.bind.annotation.RequestParam;
-import org.springframework.web.bind.annotation.ResponseBody;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
 
+import javax.servlet.http.HttpServletRequest;
 import java.time.LocalDateTime;
 import java.util.Arrays;
+import java.util.HashMap;
 import java.util.List;
+import java.util.Map;
 
 /**
  * <p>
@@ -40,6 +42,11 @@ public class TaCaseController extends BaseController {
     @Autowired
     public ITaCaseService iTaCaseService;
 
+    @Autowired
+    public ITaLikeLogService iTaLikeLogService;
+
+    @Autowired
+    public ITaCoverService iTaCoverService;
 
     /**
      * 分页查询列表
@@ -202,4 +209,56 @@ public class TaCaseController extends BaseController {
         }
         return responseBean;
     }
+
+    @GetMapping("/pc/case/{caseId}")
+    public ResponseBean get(@PathVariable Integer caseId) {
+        TaCase taCase = iTaCaseService.getById(caseId);
+        if (null == taCase) {
+            return ResponseBean.error("非法的案例或者动态ID");
+        }
+
+        // 封面
+        QueryWrapper<TaCover> wrapper = new QueryWrapper<>();
+        wrapper.eq("type", taCase.getType());
+        wrapper.last("limit 1");
+        TaCover taCover = iTaCoverService.getOne(wrapper);
+
+        // 上一条, 下一条
+        List<TaCase> brothers = iTaCaseService.getBrothers(taCase);
+
+        // 推荐随机获取数据
+        QueryWrapper<TaCase> query = new QueryWrapper<>();
+        query.eq("ta_case_type_id", taCase.getTaCaseTypeId());
+        query.ne("id", caseId);
+        query.last("ORDER BY RAND() LIMIT 10");
+        List<TaCase> recommends = iTaCaseService.list(query);
+
+        Map<String, Object> result = new HashMap<String, Object>(){{
+            put("current", taCase);
+            put("cover", taCover);
+            put("brothers", brothers);
+            put("recommends", recommends);
+        }};
+
+        return ResponseBean.success(result);
+    }
+
+    @PostMapping("/pc/like/case/{caseId}")
+    public ResponseBean postLike(@PathVariable Integer caseId, HttpServletRequest request) {
+        String ip = CommUtils.getIpAddr(request);
+
+        TaCase taCase = iTaCaseService.getById(caseId);
+        if (null == taCase) {
+            return ResponseBean.error("非法的案例或者动态ID");
+        }
+
+        TaLikeLog taLikeLog = new TaLikeLog();
+        taLikeLog.setAgent("ip="+ip);
+        taLikeLog.setCreateDate(LocalDateTime.now());
+        taLikeLog.setTarget(caseId);
+        taLikeLog.setTargetType("case");
+
+        Integer likeNum = iTaLikeLogService.postCaseLike(taCase, taLikeLog);
+        return ResponseBean.success(likeNum);
+    }
 }

foyo-service/src/main/java/com/huiju/foyo/dao/TaCaseMapper.java

@@ -1,8 +1,13 @@
 package com.huiju.foyo.dao;
 
+import com.baomidou.mybatisplus.core.conditions.Wrapper;
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 import com.huiju.foyo.model.TaCase;
 import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Param;
+import org.apache.ibatis.annotations.Update;
+
+import java.util.List;
 
 /**
  * <p>
@@ -15,4 +20,8 @@ import org.apache.ibatis.annotations.Mapper;
 @Mapper
 public interface TaCaseMapper extends BaseMapper<TaCase> {
 
+    @Update("update ta_case set like_num = IFNULL(like_num, 0) + #{num} where id = #{id}")
+    int increase(@Param("id") Integer id,@Param("num") int num);
+
+    List<TaCase> selectBrothers(@Param("id")Integer id, @Param("type")String type);
 }

foyo-service/src/main/java/com/huiju/foyo/dao/TaLikeLogMapper.java

@@ -0,0 +1,9 @@
+package com.huiju.foyo.dao;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.huiju.foyo.model.TaLikeLog;
+import org.apache.ibatis.annotations.Mapper;
+
+@Mapper
+public interface TaLikeLogMapper extends BaseMapper<TaLikeLog> {
+}

foyo-service/src/main/java/com/huiju/foyo/model/TaCase.java

@@ -101,4 +101,6 @@ public class TaCase implements Serializable {
      * 发布类型
      */
     private String type;
+
+    private Integer likeNum;
 }

foyo-service/src/main/java/com/huiju/foyo/model/TaLikeLog.java

@@ -0,0 +1,29 @@
+package com.huiju.foyo.model;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.experimental.Accessors;
+
+import java.io.Serializable;
+import java.time.LocalDateTime;
+
+@Data
+@EqualsAndHashCode(callSuper = false)
+@Accessors(chain = true)
+public class TaLikeLog implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    @TableId(value = "serial_no", type = IdType.AUTO)
+    private Integer SerialNo;
+
+    private Integer target;
+
+    private String agent;
+
+    private String targetType;
+
+    private LocalDateTime createDate;
+}

foyo-service/src/main/java/com/huiju/foyo/service/ITaCaseService.java

@@ -3,6 +3,8 @@ package com.huiju.foyo.service;
 import com.baomidou.mybatisplus.extension.service.IService;
 import com.huiju.foyo.model.TaCase;
 
+import java.util.List;
+
 /**
  * <p>
  * 案例表  服务类
@@ -13,4 +15,5 @@ import com.huiju.foyo.model.TaCase;
  */
 public interface ITaCaseService extends IService<TaCase> {
 
+    List<TaCase> getBrothers(TaCase taCase);
 }

foyo-service/src/main/java/com/huiju/foyo/service/ITaLikeLogService.java

@@ -0,0 +1,9 @@
+package com.huiju.foyo.service;
+
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.huiju.foyo.model.TaCase;
+import com.huiju.foyo.model.TaLikeLog;
+
+public interface ITaLikeLogService extends IService<TaLikeLog> {
+    Integer postCaseLike(TaCase taCase, TaLikeLog taLikeLog);
+}

foyo-service/src/main/java/com/huiju/foyo/service/impl/TaCaseServiceImpl.java

@@ -4,8 +4,11 @@ import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.huiju.foyo.dao.TaCaseMapper;
 import com.huiju.foyo.model.TaCase;
 import com.huiju.foyo.service.ITaCaseService;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
+import java.util.List;
+
 /**
  * <p>
  * 案例表  服务实现类
@@ -16,5 +19,11 @@ import org.springframework.stereotype.Service;
  */
 @Service
 public class TaCaseServiceImpl extends ServiceImpl<TaCaseMapper, TaCase> implements ITaCaseService {
+    @Autowired
+    TaCaseMapper taCaseMapper;
 
+    @Override
+    public List<TaCase> getBrothers(TaCase taCase) {
+        return taCaseMapper.selectBrothers(taCase.getId(), taCase.getType());
+    }
 }

foyo-service/src/main/java/com/huiju/foyo/service/impl/TaLikeLogServiceImpl.java

@@ -0,0 +1,39 @@
+package com.huiju.foyo.service.impl;
+
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.huiju.foyo.dao.TaCaseMapper;
+import com.huiju.foyo.dao.TaLikeLogMapper;
+import com.huiju.foyo.model.TaCase;
+import com.huiju.foyo.model.TaLikeLog;
+import com.huiju.foyo.service.ITaLikeLogService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+@Service
+public class TaLikeLogServiceImpl extends ServiceImpl<TaLikeLogMapper, TaLikeLog> implements ITaLikeLogService {
+
+    @Autowired
+    TaLikeLogMapper taLikeLogMapper;
+
+    @Autowired
+    TaCaseMapper taCaseMapper;
+
+    @Override
+    public Integer postCaseLike(TaCase taCase, TaLikeLog taLikeLog) {
+        // 校验当前是否已经点过赞
+        QueryWrapper<TaLikeLog> wrapper = new QueryWrapper<>();
+        wrapper.eq("agent", taLikeLog.getAgent());
+        wrapper.eq("target", taLikeLog.getTarget());
+        wrapper.eq("target_type", taLikeLog.getTargetType());
+
+        Integer count = taLikeLogMapper.selectCount(wrapper);
+        if (count > 0) {
+            return null != taCase.getLikeNum() ? taCase.getLikeNum() : 0;
+        }
+
+        taCaseMapper.increase(taCase.getId(), 1);
+        taCase = taCaseMapper.selectById(taCase.getId());
+        return taCase.getLikeNum();
+    }
+}

foyo-service/src/main/resources/mapper/TaCaseMapper.xml

@@ -1,5 +1,24 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
 <mapper namespace="com.huiju.foyo.dao.TaCaseMapper">
-
+    <select id="selectBrothers" resultType="com.huiju.foyo.model.TaCase">
+        SELECT
+          *
+        FROM
+          ta_case
+        WHERE
+          id IN (
+            SELECT
+              CASE
+                WHEN SIGN(id - #{id}) &gt; 0 THEN MIN(id)
+                WHEN SIGN(id - #{id}) &lt; 0 THEN MAX(id)
+              END
+            FROM
+            ta_case
+            GROUP BY SIGN(id - #{id})
+            ORDER BY SIGN(id - #{id})
+         )
+         AND type = #{type}
+        ORDER BY id
+    </select>
 </mapper>

foyo-service/src/main/resources/mapper/TaLikeLogMapper.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.huiju.foyo.dao.TaLikeLogMapper">
+
+</mapper>