Bot 操作的后端 API 定义
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package com.kob.backend.controller.user.bot;
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import com.kob.backend.service.user.bot.AddService;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.web.bind.annotation.*;
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import java.util.Map;
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@RestController
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public class AddController {
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@Autowired
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private AddService addService;
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@PostMapping("/user/bot/add/")
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public Map<String,String> add(@RequestParam Map<String,String> data){
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return addService.add(data);
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}
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}
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package com.kob.backend.controller.user.bot;
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import com.kob.backend.pojo.Bot;
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import com.kob.backend.service.user.bot.GetListService;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.RequestParam;
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import org.springframework.web.bind.annotation.RestController;
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import java.util.List;
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import java.util.Map;
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@RestController
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public class GetListController {
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@Autowired
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private GetListService getListService;
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@GetMapping("/user/bot/getlist/")
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public List<Bot> getList(){
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return getListService.getList();
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}
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}
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package com.kob.backend.controller.user.bot;
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import com.kob.backend.service.user.bot.RemoveService;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.web.bind.annotation.PostMapping;
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import org.springframework.web.bind.annotation.RequestParam;
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import org.springframework.web.bind.annotation.RestController;
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import java.util.Map;
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@RestController
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public class RemoveController {
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@Autowired
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private RemoveService removeService;
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@PostMapping("/user/bot/remove/")
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public Map<String,String> remove(@RequestParam Map<String,String> data){
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return removeService.remove(data);
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}
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}
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package com.kob.backend.controller.user.bot;
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import com.kob.backend.service.user.bot.UpdateService;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.web.bind.annotation.PostMapping;
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import org.springframework.web.bind.annotation.RequestParam;
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import org.springframework.web.bind.annotation.RestController;
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import java.util.Map;
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@RestController
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public class UpdateController {
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@Autowired
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private UpdateService updateService;
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@PostMapping("/user/bot/update/")
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public Map<String,String> update(@RequestParam Map<String,String> data){
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return updateService.update(data);
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}
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}
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package com.kob.backend.mapper;
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import com.baomidou.mybatisplus.core.mapper.BaseMapper;
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import com.kob.backend.pojo.Bot;
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import org.apache.ibatis.annotations.Mapper;
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@Mapper
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public interface BotMapper extends BaseMapper<Bot> {
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}
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//用于将 Mysql 表 Bot 转换为 class
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package com.kob.backend.pojo;
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import com.baomidou.mybatisplus.annotation.IdType;
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import com.baomidou.mybatisplus.annotation.TableId;
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import com.fasterxml.jackson.annotation.JsonFormat;
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import lombok.AllArgsConstructor;
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import lombok.Data;
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import lombok.NoArgsConstructor;
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import java.util.Date;
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@Data
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@AllArgsConstructor
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@NoArgsConstructor
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public class Bot {
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// 主键自增
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@TableId(type = IdType.AUTO)
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private Integer id;
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// 注意：在pojo中需要定义成userId，在queryWrapper中的名称仍然为user_id
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private Integer userId;
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private String title;
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private String description;
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private String content;
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private Integer rating;
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// pojo中定义日期格式的注解：@JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
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@JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
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private Date createtime;
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@JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss")
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private Date modifytime;
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}
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package com.kob.backend.service.impl.user.bot;
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import com.kob.backend.mapper.BotMapper;
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import com.kob.backend.pojo.Bot;
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import com.kob.backend.pojo.User;
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import com.kob.backend.service.impl.utils.UserDetailsImpl;
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import com.kob.backend.service.user.bot.AddService;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
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import org.springframework.security.core.context.SecurityContextHolder;
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import org.springframework.stereotype.Service;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.Map;
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@Service
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public class AddServiceImpl implements AddService {
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// 使用 @Autowired 注入接口,调用 BotMapper 来修改数据库
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@Autowired
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private BotMapper botMapper;
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@Override
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public Map<String, String> add(Map<String, String> data) {
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// 取出 User
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UsernamePasswordAuthenticationToken authenticationToken =
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(UsernamePasswordAuthenticationToken) SecurityContextHolder.getContext().getAuthentication();
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UserDetailsImpl loginUser = (UserDetailsImpl) authenticationToken.getPrincipal();
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User user = loginUser.getUser();
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String title = data.get("title");
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String description = data.get("description");
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String content = data.get("content");
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Map<String, String> map = new HashMap<>();
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if (title == null || title.length() == 0) {
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map.put("error_message", "标题不能为空");
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return map;
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}
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if (title.length() > 100) {
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map.put("error_message", "标题长度不能大于100");
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return map;
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}
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if (description == null || description.length() == 0) {
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// 提供默认描述信息
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description = "这个用户很懒，什么也没留下~";
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}
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if (description != null && description.length() > 300) {
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map.put("error_message", "描述信息长度不能大于300");
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return map;
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}
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if (content == null || content.length() == 0) {
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map.put("error_message", "代码不能为空");
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return map;
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}
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if (content.length() > 10000) {
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map.put("error_message", "代码长度不能超过一万");
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return map;
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}
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// 定义当前时间
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Date now = new Date();
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// 定义一个新 Bot ;创建时间和修改时间开始应该一样
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Bot bot = new Bot(null, user.getId(), title, description, content, 1500, now, now);
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// 将新建的 Bot 注入数据库中
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botMapper.insert(bot);
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map.put("error_message", "success");
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return map;
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}
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}
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package com.kob.backend.service.impl.user.bot;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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import com.kob.backend.mapper.BotMapper;
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import com.kob.backend.pojo.Bot;
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import com.kob.backend.pojo.User;
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import com.kob.backend.service.impl.utils.UserDetailsImpl;
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import com.kob.backend.service.user.bot.GetListService;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
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import org.springframework.security.core.context.SecurityContextHolder;
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import org.springframework.stereotype.Service;
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import java.util.List;
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@Service
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public class GetListServiceImpl implements GetListService {
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@Autowired
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private BotMapper botMapper;
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@Override
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public List<Bot> getList() {
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UsernamePasswordAuthenticationToken authenticationToken =
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(UsernamePasswordAuthenticationToken) SecurityContextHolder.getContext().getAuthentication();
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UserDetailsImpl loginUser = (UserDetailsImpl) authenticationToken.getPrincipal();
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User user = loginUser.getUser();
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QueryWrapper<Bot> queryWrapper = new QueryWrapper<>();
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queryWrapper.eq("user_id",user.getId());
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return botMapper.selectList(queryWrapper);
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}
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}
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package com.kob.backend.service.impl.user.bot;
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import com.kob.backend.mapper.BotMapper;
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import com.kob.backend.pojo.Bot;
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import com.kob.backend.pojo.User;
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import com.kob.backend.service.impl.utils.UserDetailsImpl;
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import com.kob.backend.service.user.bot.RemoveService;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
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import org.springframework.security.core.context.SecurityContextHolder;
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import org.springframework.stereotype.Service;
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import java.util.HashMap;
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import java.util.Map;
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@Service
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public class RemoveServiceImpl implements RemoveService {
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@Autowired
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private BotMapper botMapper;
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@Override
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public Map<String, String> remove(Map<String, String> data) {
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// 先取出当前用户信息
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UsernamePasswordAuthenticationToken authenticationToken =
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(UsernamePasswordAuthenticationToken) SecurityContextHolder.getContext().getAuthentication();
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UserDetailsImpl loginUser = (UserDetailsImpl) authenticationToken.getPrincipal();
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User user = loginUser.getUser();
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// 从用户输入参数判断要删除的 bot id
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int bot_id = Integer.parseInt(data.get("bot_id"));
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Bot bot = botMapper.selectById(bot_id);
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// 定义返回值
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Map<String, String> map = new HashMap<>();
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// 如果 bot 不存在
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if (bot == null) {
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map.put("error_message", "Bot 不存在或已被删除");
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return map;
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}
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// 如果 bot 的 user_id 不等于 User 的 id
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if (!bot.getUserId().equals(user.getId())) {
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map.put("error_message", "你无权删除别人的 bot");
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return map;
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}
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// 判断成功后进行删除
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botMapper.deleteById(bot_id);
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map.put("error_message", "success");
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return map;
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}
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}
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package com.kob.backend.service.impl.user.bot;
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import com.kob.backend.mapper.BotMapper;
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import com.kob.backend.pojo.Bot;
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import com.kob.backend.pojo.User;
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import com.kob.backend.service.impl.utils.UserDetailsImpl;
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import com.kob.backend.service.user.bot.UpdateService;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
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import org.springframework.security.core.context.SecurityContextHolder;
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import org.springframework.stereotype.Service;
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import java.util.Date;
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import java.util.HashMap;
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import java.util.Map;
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@Service
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public class UpdateServiceImpl implements UpdateService {
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@Autowired
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private BotMapper botMapper;
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@Override
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public Map<String, String> update(Map<String, String> data) {
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// 先获取当前用户,用于判断更新对象是否有权限
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UsernamePasswordAuthenticationToken authenticationToken =
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(UsernamePasswordAuthenticationToken) SecurityContextHolder.getContext().getAuthentication();
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UserDetailsImpl loginUser = (UserDetailsImpl) authenticationToken.getPrincipal();
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User user = loginUser.getUser();
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int bot_id = Integer.parseInt(data.get("bot_id"));
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String title = data.get("title");
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String description = data.get("description");
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String content = data.get("content");
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Map<String, String> map = new HashMap<>();
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if (title == null || title.length() == 0) {
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map.put("error_message", "标题不能为空");
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return map;
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}
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if (title.length() > 100) {
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map.put("error_message", "标题长度不能大于100");
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return map;
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}
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if (description == null || description.length() == 0) {
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// 提供默认描述信息
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description = "这个用户很懒，什么也没留下~";
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}
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if (description != null && description.length() > 300) {
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map.put("error_message", "描述信息长度不能大于300");
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return map;
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}
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if (content == null || content.length() == 0) {
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map.put("error_message", "代码不能为空");
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return map;
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}
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if (content.length() > 10000) {
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map.put("error_message", "代码长度不能超过一万");
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return map;
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}
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Bot bot = botMapper.selectById(bot_id);
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if(bot == null){
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map.put("error_message","所查 bot 不存在或已被删除");
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return map;
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}
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if(!bot.getUserId().equals(user.getId())){
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map.put("error_message","你无权更改别人的 bot");
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return map;
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}
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Date now = new Date();
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Date createTime = bot.getCreatetime();
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int rating = bot.getRating();
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Bot newBot = new Bot(bot.getId(),user.getId(),title,description,content,rating,createTime,now);
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botMapper.updateById(newBot);
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map.put("error_message","success");
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return map;
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}
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}
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package com.kob.backend.service.user.bot;
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import java.util.Map;
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public interface AddService {
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public Map<String,String> add(Map<String,String> data);
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}
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@ -0,0 +1,9 @@
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package com.kob.backend.service.user.bot;
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import com.kob.backend.pojo.Bot;
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import java.util.List;
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public interface GetListService {
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List<Bot> getList(); // getList() 不需要传参数
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}
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package com.kob.backend.service.user.bot;
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import java.util.Map;
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public interface RemoveService {
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public Map<String,String> remove(Map<String,String> data);
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}
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package com.kob.backend.service.user.bot;
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import java.util.Map;
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public interface UpdateService {
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Map<String,String> update(Map<String,String> data);
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}
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