feat: Feature/B1 JWT system and user auth

backend/database/seed.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"log"
 	"progress-wall-backend/models"
+	"progress-wall-backend/utils"
 
 	"gorm.io/gorm"
 )
@@ -12,8 +13,8 @@ import (
 func Seed(db *gorm.DB) error {
 	log.Println("开始初始化基础数据...")
 
-	// 创建默认用户
-	if err := createDefaultUsers(db); err != nil {
+	// 创建默认管理员用户
+	if err := createAdminUser(db); err != nil {
 		return err
 	}
 
@@ -26,25 +27,33 @@ func Seed(db *gorm.DB) error {
 	return nil
 }
 
-// createDefaultUsers 创建默认用户
-// 该函数负责在系统初始化时创建默认的管理员用户和普通用户
+// createAdminUser 创建默认管理员用户
+// 该函数负责在系统初始化时创建默认的管理员用户（username: admin, password: admin123）
+// 如果管理员用户已存在，则跳过创建
 // 参数: db - 数据库连接实例
 // 返回: error - 如果创建失败则返回错误，否则返回nil
-func createDefaultUsers(db *gorm.DB) error {
-	// 检查是否已存在默认用户
+func createAdminUser(db *gorm.DB) error {
+	// 检查admin用户是否已存在
 	var count int64
-	db.Model(&models.User{}).Count(&count)
+	if err := db.Model(&models.User{}).Where("username = ?", "admin").Count(&count).Error; err != nil {
+		return fmt.Errorf("检查admin用户是否存在时出错: %w", err)
+	}
 	if count > 0 {
-		log.Println("用户表不为空，跳过默认用户创建")
+		log.Println("admin用户已存在，跳过创建")
 		return nil
 	}
 
+	// 加密管理员密码
+	adminPasswordHash, err := utils.HashPassword("admin123")
+	if err != nil {
+		return fmt.Errorf("加密管理员密码失败: %w", err)
+	}
+
 	// 创建默认管理员用户
 	adminUser := models.User{
-		ID:       1,
 		Username: "admin",
 		Email:    "admin@example.com",
-		Password: "admin123", // TODO: 等待JWT完成后替换为加密密码
+		Password: adminPasswordHash,
 		Nickname: "系统管理员",
 		Status:   models.UserStatusEnabled,
 	}
@@ -53,21 +62,7 @@ func createDefaultUsers(db *gorm.DB) error {
 		return fmt.Errorf("创建默认管理员用户失败: %w", err)
 	}
 
-	// 创建默认普通用户
-	guestUser := models.User{
-		ID:       2,
-		Username: "guest",
-		Email:    "guest@example.com",
-		Password: "guest123", // TODO: 等待JWT完成后替换为加密密码
-		Nickname: "访客用户",
-		Status:   models.UserStatusEnabled,
-	}
-
-	if err := db.Create(&guestUser).Error; err != nil {
-		return fmt.Errorf("创建默认访客用户失败: %w", err)
-	}
-
-	log.Println("默认用户创建成功: admin, guest")
+	log.Println("默认用户创建成功: admin")
 	return nil
 }
 

backend/go.mod

@@ -1,18 +1,53 @@
 module progress-wall-backend
 
-go 1.21
+go 1.24.0
+
+toolchain go1.24.9
 
 require (
 	github.com/joho/godotenv v1.4.0
-	golang.org/x/crypto v0.15.0
 	gorm.io/driver/mysql v1.5.2
 	gorm.io/driver/sqlite v1.5.4
 	gorm.io/gorm v1.25.5
 )
 
 require (
+	github.com/bytedance/sonic v1.14.0 // indirect
+	github.com/bytedance/sonic/loader v0.3.0 // indirect
+	github.com/cloudwego/base64x v0.1.6 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.9 // indirect
+	github.com/gin-contrib/cors v1.7.6 // indirect
+	github.com/gin-contrib/sse v1.1.0 // indirect
+	github.com/gin-gonic/gin v1.11.0 // indirect
+	github.com/go-playground/locales v0.14.1 // indirect
+	github.com/go-playground/universal-translator v0.18.1 // indirect
+	github.com/go-playground/validator/v10 v10.27.0 // indirect
 	github.com/go-sql-driver/mysql v1.7.0 // indirect
+	github.com/goccy/go-json v0.10.5 // indirect
+	github.com/goccy/go-yaml v1.18.0 // indirect
+	github.com/golang-jwt/jwt/v5 v5.3.0 // indirect
 	github.com/jinzhu/inflection v1.0.0 // indirect
 	github.com/jinzhu/now v1.1.5 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/klauspost/cpuid/v2 v2.3.0 // indirect
+	github.com/leodido/go-urn v1.4.0 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/mattn/go-sqlite3 v1.14.17 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
+	github.com/quic-go/qpack v0.5.1 // indirect
+	github.com/quic-go/quic-go v0.54.0 // indirect
+	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
+	github.com/ugorji/go/codec v1.3.0 // indirect
+	go.uber.org/mock v0.5.0 // indirect
+	golang.org/x/arch v0.20.0 // indirect
+	golang.org/x/crypto v0.43.0 // indirect
+	golang.org/x/mod v0.28.0 // indirect
+	golang.org/x/net v0.45.0 // indirect
+	golang.org/x/sync v0.17.0 // indirect
+	golang.org/x/sys v0.37.0 // indirect
+	golang.org/x/text v0.30.0 // indirect
+	golang.org/x/tools v0.37.0 // indirect
+	google.golang.org/protobuf v1.36.9 // indirect
 )

backend/go.sum

@@ -1,15 +1,102 @@
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+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gorm.io/driver/mysql v1.5.2 h1:QC2HRskSE75wBuOxe0+iCkyJZ+RqpudsQtqkp+IMuXs=
 gorm.io/driver/mysql v1.5.2/go.mod h1:pQLhh1Ut/WUAySdTHwBpBv6+JKcj+ua4ZFx1QQTBzb8=
 gorm.io/driver/sqlite v1.5.4 h1:IqXwXi8M/ZlPzH/947tn5uik3aYQslP9BVveoax0nV0=

backend/handlers/auth/login.go

@@ -0,0 +1,69 @@
+package auth
+
+import (
+	"net/http"
+	"progress-wall-backend/config"
+	"progress-wall-backend/models"
+	"progress-wall-backend/services"
+
+	"github.com/gin-gonic/gin"
+	"gorm.io/gorm"
+)
+
+// LoginHandler 登录处理器
+type LoginHandler struct {
+	authService *services.AuthService
+}
+
+// NewLoginHandler 创建登录处理器
+func NewLoginHandler(db *gorm.DB, cfg *config.Config) *LoginHandler {
+	return &LoginHandler{
+		authService: services.NewAuthService(db, cfg),
+	}
+}
+
+// LoginRequest 登录请求结构
+type LoginRequest struct {
+	Username string `json:"username" binding:"required"`
+	Password string `json:"password" binding:"required"`
+}
+
+// LoginResponse 登录响应结构
+type LoginResponse struct {
+	AccessToken string       `json:"accessToken"`
+	User        *models.User `json:"user,omitempty"`
+}
+
+// Login 处理登录请求
+func (h *LoginHandler) Login(c *gin.Context) {
+	var req LoginRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "请求参数错误"})
+		return
+	}
+
+	// 调用service层处理业务逻辑
+	result, err := h.authService.Login(services.LoginRequest{
+		Username: req.Username,
+		Password: req.Password,
+	})
+
+	if err != nil {
+		// 根据错误类型返回相应的HTTP状态码
+		switch err {
+		case services.ErrInvalidCredentials:
+			c.JSON(http.StatusUnauthorized, gin.H{"error": err.Error()})
+		case services.ErrUserDisabled:
+			c.JSON(http.StatusForbidden, gin.H{"error": err.Error()})
+		default:
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		}
+		return
+	}
+
+	// 返回成功响应
+	c.JSON(http.StatusOK, LoginResponse{
+		AccessToken: result.AccessToken,
+		User:        result.User,
+	})
+}

backend/handlers/auth/register.go

@@ -0,0 +1,71 @@
+package auth
+
+import (
+	"net/http"
+	"progress-wall-backend/config"
+	"progress-wall-backend/models"
+	"progress-wall-backend/services"
+
+	"github.com/gin-gonic/gin"
+	"gorm.io/gorm"
+)
+
+// RegisterHandler 注册处理器
+type RegisterHandler struct {
+	authService *services.AuthService
+}
+
+// NewRegisterHandler 创建注册处理器
+func NewRegisterHandler(db *gorm.DB, cfg *config.Config) *RegisterHandler {
+	return &RegisterHandler{
+		authService: services.NewAuthService(db, cfg),
+	}
+}
+
+// RegisterRequest 注册请求结构
+type RegisterRequest struct {
+	Username string `json:"username" binding:"required"`
+	Email    string `json:"email" binding:"required,email"`
+	Password string `json:"password" binding:"required,min=6"`
+	Nickname string `json:"nickname"`
+}
+
+// RegisterResponse 注册响应结构
+type RegisterResponse struct {
+	User *models.User `json:"user"`
+}
+
+// Register 处理注册请求
+func (h *RegisterHandler) Register(c *gin.Context) {
+	var req RegisterRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "请求参数错误"})
+		return
+	}
+
+	// 调用service层处理业务逻辑
+	result, err := h.authService.Register(services.RegisterRequest{
+		Username: req.Username,
+		Email:    req.Email,
+		Password: req.Password,
+		Nickname: req.Nickname,
+	})
+
+	if err != nil {
+		// 根据错误类型返回相应的HTTP状态码
+		switch err {
+		case services.ErrUserExists:
+			c.JSON(http.StatusConflict, gin.H{"error": err.Error()})
+		case services.ErrInvalidPassword:
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		default:
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		}
+		return
+	}
+
+	// 返回成功响应
+	c.JSON(http.StatusCreated, RegisterResponse{
+		User: result.User,
+	})
+}