feat: 添加了社团相关功能（查找社团）

src/main/java/org/mmga/clubs/controller/ClubController.java

@@ -0,0 +1,26 @@
+package org.mmga.clubs.controller;
+
+import io.swagger.v3.oas.annotations.tags.Tag;
+import org.mmga.clubs.entities.BaseResponse;
+import org.mmga.clubs.entities.club.ClubInformation;
+import org.mmga.clubs.service.ClubService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/api/club")
+@Tag(name = "社团", description = "社团相关接口")
+public class ClubController {
+    private final ClubService clubService;
+    @Autowired
+    public ClubController(ClubService clubService) {
+        this.clubService = clubService;
+    }
+    @GetMapping("/")
+    public BaseResponse<ClubInformation> getClub(@RequestParam("id") int clubId){
+        return clubService.getClubInformationById(clubId);
+    }
+}

src/main/java/org/mmga/clubs/dao/ClubUserAuthDao.java

@@ -3,7 +3,10 @@ package org.mmga.clubs.dao;
 import org.apache.ibatis.annotations.Mapper;
 import org.mmga.clubs.entities.ClubUserAuthVo;
 
+import java.util.List;
+
 @Mapper
 public interface ClubUserAuthDao {
     ClubUserAuthVo getClubUserAuthVoByUserId(int userId);
+    List<ClubUserAuthVo> getUsersByClubId(int clubId);
 }

src/main/java/org/mmga/clubs/dao/UserDao.java

@@ -2,6 +2,7 @@ package org.mmga.clubs.dao;
 
 import org.apache.ibatis.annotations.Mapper;
 import org.mmga.clubs.entities.user.UserRegResponseVo;
+import org.mmga.clubs.entities.user.UserSimpleInformation;
 import org.mmga.clubs.entities.user.UserVo;
 
 import java.util.List;
@@ -20,4 +21,6 @@ public interface UserDao {
     void changePasswordAdmin(int id, String password);
     void changeAuth(int id, int authId);
     void changeAvatar(int id, String sha);
+
+    UserSimpleInformation getUserSimpleInformation(int userId);
 }

src/main/java/org/mmga/clubs/entities/club/ClubInformation.java

@@ -0,0 +1,20 @@
+package org.mmga.clubs.entities.club;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+import org.mmga.clubs.entities.user.ClubUserSimpleInformation;
+
+import java.util.List;
+
+@Data
+@Schema(description = "社团详细详细")
+public class ClubInformation {
+    @Schema(description = "社团ID")
+    private int id;
+    @Schema(description = "社团名称")
+    private String name;
+    @Schema(description = "社团简介")
+    private String commit;
+    @Schema(description = "社团用户信息")
+    private List<ClubUserSimpleInformation> users;
+}

src/main/java/org/mmga/clubs/entities/user/ClubUserSimpleInformation.java

@@ -0,0 +1,15 @@
+package org.mmga.clubs.entities.user;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+
+@EqualsAndHashCode(callSuper = true)
+@Data
+@Schema(description = "社团用户简单信息")
+public class ClubUserSimpleInformation extends UserSimpleInformation{
+    @Schema(description = "社团ID")
+    private int clubId;
+    @Schema(description = "社团职务名称")
+    private String clubAuthName;
+}

src/main/java/org/mmga/clubs/entities/user/UserSimpleInformation.java

@@ -0,0 +1,15 @@
+package org.mmga.clubs.entities.user;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+
+@Data
+@Schema(description = "用户基础信息")
+public class UserSimpleInformation {
+    @Schema(description = "用户ID")
+    private int id;
+    @Schema(description = "用户名")
+    private String name;
+    @Schema(description = "用户头像SHA1")
+    private String avatar;
+}

src/main/java/org/mmga/clubs/service/ClubService.java

@@ -2,23 +2,33 @@ package org.mmga.clubs.service;
 
 import org.mmga.clubs.dao.ClubDao;
 import org.mmga.clubs.dao.ClubUserAuthDao;
+import org.mmga.clubs.entities.BaseResponse;
 import org.mmga.clubs.entities.ClubUserAuthVo;
 import org.mmga.clubs.entities.auth.Auth;
 import org.mmga.clubs.entities.club.Club;
+import org.mmga.clubs.entities.club.ClubInformation;
 import org.mmga.clubs.entities.club.ClubVo;
+import org.mmga.clubs.entities.user.ClubUserSimpleInformation;
+import org.mmga.clubs.entities.user.UserSimpleInformation;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Lazy;
 import org.springframework.stereotype.Service;
 
+import java.util.List;
+
 @Service
 public class ClubService {
     private final ClubUserAuthDao clubUserAuthDao;
     private final ClubDao clubDao;
     private final AuthService authService;
+    private final UserService userService;
+
     @Autowired
-    public ClubService(ClubUserAuthDao clubUserAuthDao, ClubDao clubDao, AuthService authService){
+    public ClubService(ClubUserAuthDao clubUserAuthDao, ClubDao clubDao, AuthService authService, @Lazy UserService userService){
         this.clubDao = clubDao;
         this.clubUserAuthDao = clubUserAuthDao;
         this.authService = authService;
+        this.userService = userService;
     }
     public Club getClubWithoutAuthById(int id){
         ClubVo clubById = this.clubDao.getClubById(id);
@@ -39,4 +49,29 @@ public class ClubService {
         clubById.setAuth(auth);
         return clubById;
     }
+    private List<ClubUserSimpleInformation> getUserInformationByClubId(int clubId){
+        List<ClubUserAuthVo> usersByClubId = this.clubUserAuthDao.getUsersByClubId(clubId);
+        return usersByClubId.stream().map(this::packageInformation).toList();
+    }
+    private ClubUserSimpleInformation packageInformation(ClubUserAuthVo clubUserAuthVo){
+        int i = clubUserAuthVo.authId();
+        String authName = i != -1 ? authService.getAuthById(i).getName() : "社员";
+        UserSimpleInformation userSimpleInformation = userService.getUserSimpleInformation(clubUserAuthVo.userId());
+        ClubUserSimpleInformation clubUserSimpleInformation = new ClubUserSimpleInformation();
+        clubUserSimpleInformation.setId(userSimpleInformation.getId());
+        clubUserSimpleInformation.setName(userSimpleInformation.getName());
+        clubUserSimpleInformation.setAvatar(userSimpleInformation.getAvatar());
+        clubUserSimpleInformation.setClubId(clubUserAuthVo.clubId());
+        clubUserSimpleInformation.setClubAuthName(authName);
+        return clubUserSimpleInformation;
+    }
+    public BaseResponse<ClubInformation> getClubInformationById(int clubId) {
+        Club clubWithoutAuthById = getClubWithoutAuthById(clubId);
+        ClubInformation clubInformation = new ClubInformation();
+        clubInformation.setId(clubWithoutAuthById.getId());
+        clubInformation.setName(clubWithoutAuthById.getName());
+        clubInformation.setCommit(clubWithoutAuthById.getCommit());
+        clubInformation.setUsers(this.getUserInformationByClubId(clubId));
+        return BaseResponse.success(clubInformation);
+    }
 }

src/main/java/org/mmga/clubs/service/UserService.java

@@ -230,4 +230,8 @@ public class UserService {
             fileInputStream.close();
         }
     }
+
+    public UserSimpleInformation getUserSimpleInformation(int userId) {
+        return userDao.getUserSimpleInformation(userId);
+    }
 }

src/main/resources/org/mmga/clubs/dao/ClubUserAuthDao.xml

@@ -6,4 +6,7 @@
     <select id="getClubUserAuthVoByUserId" resultType="org.mmga.clubs.entities.ClubUserAuthVo">
         select * from `club_user_auth` where `user_id` = #{userId};
     </select>
+    <select id="getUsersByClubId" resultType="org.mmga.clubs.entities.ClubUserAuthVo">
+        select * from `club_user_auth` where `club_id` = #{clubId};
+    </select>
 </mapper>

src/main/resources/org/mmga/clubs/dao/UserDao.xml

@@ -36,4 +36,7 @@
     <select id="queryTotalUserCount" resultType="java.lang.Long">
         select count(*) from `user`;
     </select>
+    <select id="getUserSimpleInformation" resultType="org.mmga.clubs.entities.user.UserSimpleInformation">
+        select `id`, `name`, `avatar` from `user` where `id` = #{userId};
+    </select>
 </mapper>