feat: implement scenario-driven sales SOP platform

codes/internal/auth/handler.go

@@ -0,0 +1,80 @@
+package auth
+
+import (
+	"errors"
+	"net/http"
+
+	"git.iwork-ai.com/xdc/iqudo-top1/internal/response"
+	"github.com/gin-gonic/gin"
+)
+
+type Handler struct {
+	service *Service
+}
+
+func NewHandler(service *Service) *Handler {
+	return &Handler{service: service}
+}
+
+type loginRequest struct {
+	Username string `json:"username" binding:"required,min=2,max=64"`
+	Password string `json:"password" binding:"required,min=6,max=128"`
+}
+
+func (h *Handler) Login(c *gin.Context) {
+	var input loginRequest
+	if err := c.ShouldBindJSON(&input); err != nil {
+		response.Error(c, http.StatusBadRequest, "INVALID_ARGUMENT", "请输入有效的用户名和密码")
+		return
+	}
+	tokens, err := h.service.Login(input.Username, input.Password)
+	if errors.Is(err, ErrInvalidCredentials) {
+		response.Error(c, http.StatusUnauthorized, "INVALID_CREDENTIALS", "用户名或密码错误")
+		return
+	}
+	if err != nil {
+		response.Error(c, http.StatusInternalServerError, "LOGIN_FAILED", "登录失败")
+		return
+	}
+	response.OK(c, tokens)
+}
+
+func (h *Handler) Refresh(c *gin.Context) {
+	var input struct {
+		RefreshToken string `json:"refresh_token" binding:"required"`
+	}
+	if err := c.ShouldBindJSON(&input); err != nil {
+		response.Error(c, http.StatusBadRequest, "INVALID_ARGUMENT", "refresh_token 不能为空")
+		return
+	}
+	tokens, err := h.service.Refresh(input.RefreshToken)
+	if err != nil {
+		response.Error(c, http.StatusUnauthorized, "INVALID_REFRESH_TOKEN", "登录状态已失效")
+		return
+	}
+	response.OK(c, tokens)
+}
+
+func (h *Handler) Me(c *gin.Context) {
+	principal, exists := PrincipalFromContext(c)
+	if !exists {
+		response.Error(c, http.StatusUnauthorized, "UNAUTHORIZED", "请先登录")
+		return
+	}
+	response.OK(c, principal)
+}
+
+const principalContextKey = "principal"
+
+func SetPrincipal(c *gin.Context, principal Principal) {
+	c.Set(principalContextKey, principal)
+}
+
+func PrincipalFromContext(c *gin.Context) (Principal, bool) {
+	value, exists := c.Get(principalContextKey)
+	if !exists {
+		return Principal{}, false
+	}
+	principal, ok := value.(Principal)
+	return principal, ok
+}