[feature] migrate to monorepo

backend/internal/handler/auth.go

@@ -0,0 +1,119 @@
+package handler
+
+import (
+    "net/http"
+    "time"
+
+    "github.com/gin-gonic/gin"
+    "github.com/golang-jwt/jwt/v5"
+    "github.com/rs/zerolog/log"
+)
+
+type RegisterRequest struct {
+    Email    string `json:"email" binding:"required,email"`
+    Password string `json:"password" binding:"required,min=8"`
+    Role     string `json:"role" binding:"required,oneof=admin editor contributor"`
+}
+
+type LoginRequest struct {
+    Email    string `json:"email" binding:"required,email"`
+    Password string `json:"password" binding:"required"`
+}
+
+type AuthResponse struct {
+    Token string `json:"token"`
+}
+
+func (h *Handler) Register(c *gin.Context) {
+    var req RegisterRequest
+    if err := c.ShouldBindJSON(&req); err != nil {
+        c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+        return
+    }
+
+    user, err := h.service.CreateUser(c.Request.Context(), req.Email, req.Password, req.Role)
+    if err != nil {
+        log.Error().Err(err).Msg("Failed to create user")
+        c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to create user"})
+        return
+    }
+
+    // Get user roles
+    roles, err := h.service.GetUserRoles(c.Request.Context(), user.ID)
+    if err != nil {
+        log.Error().Err(err).Msg("Failed to get user roles")
+        c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to get user roles"})
+        return
+    }
+
+    // Extract role names for JWT
+    roleNames := make([]string, len(roles))
+    for i, r := range roles {
+        roleNames[i] = r.Name
+    }
+
+    // Generate JWT token
+    token := jwt.NewWithClaims(jwt.SigningMethodHS256, jwt.MapClaims{
+        "sub":   user.ID,
+        "roles": roleNames,
+        "exp":   time.Now().Add(24 * time.Hour).Unix(),
+    })
+
+    tokenString, err := token.SignedString([]byte(h.cfg.JWT.Secret))
+    if err != nil {
+        log.Error().Err(err).Msg("Failed to generate token")
+        c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to generate token"})
+        return
+    }
+
+    c.JSON(http.StatusCreated, AuthResponse{Token: tokenString})
+}
+
+func (h *Handler) Login(c *gin.Context) {
+    var req LoginRequest
+    if err := c.ShouldBindJSON(&req); err != nil {
+        c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+        return
+    }
+
+    user, err := h.service.GetUserByEmail(c.Request.Context(), req.Email)
+    if err != nil {
+        c.JSON(http.StatusUnauthorized, gin.H{"error": "Invalid credentials"})
+        return
+    }
+
+    if !h.service.ValidatePassword(c.Request.Context(), user, req.Password) {
+        c.JSON(http.StatusUnauthorized, gin.H{"error": "Invalid credentials"})
+        return
+    }
+
+    // Get user roles
+    roles, err := h.service.GetUserRoles(c.Request.Context(), user.ID)
+    if err != nil {
+        log.Error().Err(err).Msg("Failed to get user roles")
+        c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to get user roles"})
+        return
+    }
+
+    // Extract role names for JWT
+    roleNames := make([]string, len(roles))
+    for i, r := range roles {
+        roleNames[i] = r.Name
+    }
+
+    // Generate JWT token
+    token := jwt.NewWithClaims(jwt.SigningMethodHS256, jwt.MapClaims{
+        "sub":   user.ID,
+        "roles": roleNames,
+        "exp":   time.Now().Add(24 * time.Hour).Unix(),
+    })
+
+    tokenString, err := token.SignedString([]byte(h.cfg.JWT.Secret))
+    if err != nil {
+        log.Error().Err(err).Msg("Failed to generate token")
+        c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to generate token"})
+        return
+    }
+
+    c.JSON(http.StatusOK, AuthResponse{Token: tokenString})
+}