feat: 完成用户管理接口核心CRUD功能

- 实现完整的用户创建逻辑，包含唯一性验证和密码加密
- 实现用户详情查询，安全过滤密码字段
- 实现用户信息更新，支持部分字段更新和唯一性验证
- 实现用户删除功能，包含存在性检查和日志记录
- 创建完整的API测试用例，覆盖正常和错误场景
- 更新任务进度文档，标记第10个任务为已完成
- 提升项目整体完成率至35%，中优先级任务完成率至25%

backend/internal/logic/user/createUserLogic.go

@@ -2,9 +2,13 @@ package user
 
 import (
 	"context"
+	"time"
 
+	"photography-backend/internal/model"
 	"photography-backend/internal/svc"
 	"photography-backend/internal/types"
+	"photography-backend/pkg/errorx"
+	"photography-backend/pkg/utils/hash"
 
 	"github.com/zeromicro/go-zero/core/logx"
 )
@@ -25,7 +29,88 @@ func NewCreateUserLogic(ctx context.Context, svcCtx *svc.ServiceContext) *Create
 }
 
 func (l *CreateUserLogic) CreateUser(req *types.CreateUserRequest) (resp *types.CreateUserResponse, err error) {
-	// todo: add your logic here and delete this line
+	// 检查用户名是否已存在
+	existingUser, err := l.svcCtx.UserModel.FindOneByUsername(l.ctx, req.Username)
+	if err == nil && existingUser != nil {
+		return &types.CreateUserResponse{
+			BaseResponse: types.BaseResponse{
+				Code:    errorx.UserExists,
+				Message: "用户名已存在",
+			},
+		}, nil
+	}
 
-	return
+	// 检查邮箱是否已存在
+	existingUser, err = l.svcCtx.UserModel.FindOneByEmail(l.ctx, req.Email)
+	if err == nil && existingUser != nil {
+		return &types.CreateUserResponse{
+			BaseResponse: types.BaseResponse{
+				Code:    errorx.UserExists,
+				Message: "邮箱已存在",
+			},
+		}, nil
+	}
+
+	// 密码加密
+	hashedPassword, err := hash.HashPassword(req.Password)
+	if err != nil {
+		logx.WithContext(l.ctx).Error("密码加密失败: ", err)
+		return &types.CreateUserResponse{
+			BaseResponse: types.BaseResponse{
+				Code:    errorx.ServerError,
+				Message: "密码加密失败",
+			},
+		}, nil
+	}
+
+	// 创建用户
+	user := &model.User{
+		Username:  req.Username,
+		Email:     req.Email,
+		Password:  hashedPassword,
+		Avatar:    "", // 默认空头像
+		Status:    1,  // 默认启用状态
+		CreatedAt: time.Now(),
+		UpdatedAt: time.Now(),
+	}
+
+	result, err := l.svcCtx.UserModel.Insert(l.ctx, user)
+	if err != nil {
+		logx.WithContext(l.ctx).Error("创建用户失败: ", err)
+		return &types.CreateUserResponse{
+			BaseResponse: types.BaseResponse{
+				Code:    errorx.ServerError,
+				Message: "创建用户失败",
+			},
+		}, nil
+	}
+
+	// 获取新创建用户的ID
+	userId, err := result.LastInsertId()
+	if err != nil {
+		logx.WithContext(l.ctx).Error("获取用户ID失败: ", err)
+		return &types.CreateUserResponse{
+			BaseResponse: types.BaseResponse{
+				Code:    errorx.ServerError,
+				Message: "获取用户ID失败",
+			},
+		}, nil
+	}
+
+	// 返回用户信息（不包含密码）
+	return &types.CreateUserResponse{
+		BaseResponse: types.BaseResponse{
+			Code:    errorx.Success,
+			Message: "创建用户成功",
+		},
+		Data: types.User{
+			Id:        userId,
+			Username:  user.Username,
+			Email:     user.Email,
+			Avatar:    user.Avatar,
+			Status:    int(user.Status),
+			CreatedAt: user.CreatedAt.Unix(),
+			UpdatedAt: user.UpdatedAt.Unix(),
+		},
+	}, nil
 }

backend/internal/logic/user/deleteUserLogic.go

@@ -5,8 +5,10 @@ import (
 
 	"photography-backend/internal/svc"
 	"photography-backend/internal/types"
+	"photography-backend/pkg/errorx"
 
 	"github.com/zeromicro/go-zero/core/logx"
+	"github.com/zeromicro/go-zero/core/stores/sqlx"
 )
 
 type DeleteUserLogic struct {
@@ -25,7 +27,48 @@ func NewDeleteUserLogic(ctx context.Context, svcCtx *svc.ServiceContext) *Delete
 }
 
 func (l *DeleteUserLogic) DeleteUser(req *types.DeleteUserRequest) (resp *types.DeleteUserResponse, err error) {
-	// todo: add your logic here and delete this line
+	// 检查用户是否存在
+	user, err := l.svcCtx.UserModel.FindOne(l.ctx, req.Id)
+	if err != nil {
+		if err == sqlx.ErrNotFound {
+			return &types.DeleteUserResponse{
+				BaseResponse: types.BaseResponse{
+					Code:    errorx.UserNotFound,
+					Message: "用户不存在",
+				},
+			}, nil
+		}
+		logx.WithContext(l.ctx).Error("查询用户失败: ", err)
+		return &types.DeleteUserResponse{
+			BaseResponse: types.BaseResponse{
+				Code:    errorx.ServerError,
+				Message: "查询用户失败",
+			},
+		}, nil
+	}
 
-	return
+	// 检查用户是否有关联的照片
+	// 这里可以添加业务逻辑来决定是否允许删除有照片的用户
+	// 如果要严格控制，可以先检查用户是否有照片，如果有则不允许删除
+	
+	// 删除用户
+	err = l.svcCtx.UserModel.Delete(l.ctx, req.Id)
+	if err != nil {
+		logx.WithContext(l.ctx).Error("删除用户失败: ", err)
+		return &types.DeleteUserResponse{
+			BaseResponse: types.BaseResponse{
+				Code:    errorx.ServerError,
+				Message: "删除用户失败",
+			},
+		}, nil
+	}
+
+	logx.WithContext(l.ctx).Infof("用户 %s (ID: %d) 已被删除", user.Username, user.Id)
+
+	return &types.DeleteUserResponse{
+		BaseResponse: types.BaseResponse{
+			Code:    errorx.Success,
+			Message: "删除用户成功",
+		},
+	}, nil
 }

backend/internal/logic/user/getUserLogic.go

@@ -5,8 +5,10 @@ import (
 
 	"photography-backend/internal/svc"
 	"photography-backend/internal/types"
+	"photography-backend/pkg/errorx"
 
 	"github.com/zeromicro/go-zero/core/logx"
+	"github.com/zeromicro/go-zero/core/stores/sqlx"
 )
 
 type GetUserLogic struct {
@@ -25,7 +27,40 @@ func NewGetUserLogic(ctx context.Context, svcCtx *svc.ServiceContext) *GetUserLo
 }
 
 func (l *GetUserLogic) GetUser(req *types.GetUserRequest) (resp *types.GetUserResponse, err error) {
-	// todo: add your logic here and delete this line
+	// 查询用户
+	user, err := l.svcCtx.UserModel.FindOne(l.ctx, req.Id)
+	if err != nil {
+		if err == sqlx.ErrNotFound {
+			return &types.GetUserResponse{
+				BaseResponse: types.BaseResponse{
+					Code:    errorx.UserNotFound,
+					Message: "用户不存在",
+				},
+			}, nil
+		}
+		logx.WithContext(l.ctx).Error("查询用户失败: ", err)
+		return &types.GetUserResponse{
+			BaseResponse: types.BaseResponse{
+				Code:    errorx.ServerError,
+				Message: "查询用户失败",
+			},
+		}, nil
+	}
 
-	return
+	// 返回用户信息（不包含密码）
+	return &types.GetUserResponse{
+		BaseResponse: types.BaseResponse{
+			Code:    errorx.Success,
+			Message: "查询成功",
+		},
+		Data: types.User{
+			Id:        user.Id,
+			Username:  user.Username,
+			Email:     user.Email,
+			Avatar:    user.Avatar,
+			Status:    int(user.Status),
+			CreatedAt: user.CreatedAt.Unix(),
+			UpdatedAt: user.UpdatedAt.Unix(),
+		},
+	}, nil
 }

backend/internal/logic/user/updateUserLogic.go

@@ -2,11 +2,15 @@ package user
 
 import (
 	"context"
+	"strings"
+	"time"
 
 	"photography-backend/internal/svc"
 	"photography-backend/internal/types"
+	"photography-backend/pkg/errorx"
 
 	"github.com/zeromicro/go-zero/core/logx"
+	"github.com/zeromicro/go-zero/core/stores/sqlx"
 )
 
 type UpdateUserLogic struct {
@@ -25,7 +29,92 @@ func NewUpdateUserLogic(ctx context.Context, svcCtx *svc.ServiceContext) *Update
 }
 
 func (l *UpdateUserLogic) UpdateUser(req *types.UpdateUserRequest) (resp *types.UpdateUserResponse, err error) {
-	// todo: add your logic here and delete this line
+	// 检查用户是否存在
+	user, err := l.svcCtx.UserModel.FindOne(l.ctx, req.Id)
+	if err != nil {
+		if err == sqlx.ErrNotFound {
+			return &types.UpdateUserResponse{
+				BaseResponse: types.BaseResponse{
+					Code:    errorx.UserNotFound,
+					Message: "用户不存在",
+				},
+			}, nil
+		}
+		logx.WithContext(l.ctx).Error("查询用户失败: ", err)
+		return &types.UpdateUserResponse{
+			BaseResponse: types.BaseResponse{
+				Code:    errorx.ServerError,
+				Message: "查询用户失败",
+			},
+		}, nil
+	}
 
-	return
+	// 检查用户名唯一性（如果要更新用户名）
+	if req.Username != "" && strings.TrimSpace(req.Username) != user.Username {
+		existingUser, err := l.svcCtx.UserModel.FindOneByUsername(l.ctx, req.Username)
+		if err == nil && existingUser != nil {
+			return &types.UpdateUserResponse{
+				BaseResponse: types.BaseResponse{
+					Code:    errorx.UserExists,
+					Message: "用户名已存在",
+				},
+			}, nil
+		}
+		user.Username = strings.TrimSpace(req.Username)
+	}
+
+	// 检查邮箱唯一性（如果要更新邮箱）
+	if req.Email != "" && strings.TrimSpace(req.Email) != user.Email {
+		existingUser, err := l.svcCtx.UserModel.FindOneByEmail(l.ctx, req.Email)
+		if err == nil && existingUser != nil {
+			return &types.UpdateUserResponse{
+				BaseResponse: types.BaseResponse{
+					Code:    errorx.UserExists,
+					Message: "邮箱已存在",
+				},
+			}, nil
+		}
+		user.Email = strings.TrimSpace(req.Email)
+	}
+
+	// 更新其他字段
+	if req.Avatar != "" {
+		user.Avatar = req.Avatar
+	}
+
+	if req.Status >= 0 {
+		user.Status = int64(req.Status)
+	}
+
+	// 更新时间
+	user.UpdatedAt = time.Now()
+
+	// 执行更新
+	err = l.svcCtx.UserModel.Update(l.ctx, user)
+	if err != nil {
+		logx.WithContext(l.ctx).Error("更新用户失败: ", err)
+		return &types.UpdateUserResponse{
+			BaseResponse: types.BaseResponse{
+				Code:    errorx.ServerError,
+				Message: "更新用户失败",
+			},
+		}, nil
+	}
+
+	// 返回更新后的用户信息（不包含密码）
+	return &types.UpdateUserResponse{
+		BaseResponse: types.BaseResponse{
+			Code:    errorx.Success,
+			Message: "更新用户成功",
+		},
+		Data: types.User{
+			Id:        user.Id,
+			Username:  user.Username,
+			Email:     user.Email,
+			Avatar:    user.Avatar,
+			Status:    int(user.Status),
+			CreatedAt: user.CreatedAt.Unix(),
+			UpdatedAt: user.UpdatedAt.Unix(),
+		},
+	}, nil
 }

backend/test_user_crud.http

@@ -0,0 +1,116 @@
+### User Management API 测试
+### 基础URL
+@baseUrl = http://localhost:8080/api/v1
+
+### 1. 创建用户
+POST {{baseUrl}}/users
+Content-Type: application/json
+
+{
+  "username": "testuser",
+  "email": "test@example.com",
+  "password": "123456"
+}
+
+### 2. 创建第二个用户
+POST {{baseUrl}}/users
+Content-Type: application/json
+
+{
+  "username": "admin2",
+  "email": "admin2@example.com",
+  "password": "123456"
+}
+
+### 3. 获取用户列表 (已有功能)
+GET {{baseUrl}}/users?page=1&page_size=10
+
+### 4. 获取用户详情
+GET {{baseUrl}}/users/1
+
+### 5. 更新用户信息
+PUT {{baseUrl}}/users/1
+Content-Type: application/json
+
+{
+  "username": "updateduser",
+  "email": "updated@example.com",
+  "avatar": "http://example.com/avatar.jpg",
+  "status": 1
+}
+
+### 6. 更新用户状态 (禁用)
+PUT {{baseUrl}}/users/1
+Content-Type: application/json
+
+{
+  "status": 0
+}
+
+### 7. 删除用户
+DELETE {{baseUrl}}/users/2
+
+### 错误测试场景
+
+### 8. 创建重复用户名
+POST {{baseUrl}}/users
+Content-Type: application/json
+
+{
+  "username": "testuser",
+  "email": "another@example.com",
+  "password": "123456"
+}
+
+### 9. 创建重复邮箱
+POST {{baseUrl}}/users
+Content-Type: application/json
+
+{
+  "username": "anotheruser",
+  "email": "test@example.com",
+  "password": "123456"
+}
+
+### 10. 获取不存在的用户
+GET {{baseUrl}}/users/999
+
+### 11. 更新不存在的用户
+PUT {{baseUrl}}/users/999
+Content-Type: application/json
+
+{
+  "username": "notexist",
+  "status": 1
+}
+
+### 12. 删除不存在的用户
+DELETE {{baseUrl}}/users/999
+
+### 13. 创建用户 - 密码太短
+POST {{baseUrl}}/users
+Content-Type: application/json
+
+{
+  "username": "shortpwd",
+  "email": "short@example.com",
+  "password": "123"
+}
+
+### 14. 创建用户 - 邮箱格式错误
+POST {{baseUrl}}/users
+Content-Type: application/json
+
+{
+  "username": "bademail",
+  "email": "not-an-email",
+  "password": "123456"
+}
+
+### 15. 更新用户 - 用户名改为已存在的
+PUT {{baseUrl}}/users/1
+Content-Type: application/json
+
+{
+  "username": "admin"
+}