100 lines
2.5 KiB
Go
100 lines
2.5 KiB
Go
package handlers
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import (
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"encoding/json"
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"go-weather/models"
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"go-weather/services"
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"net/http"
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"strings"
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)
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type UserHandler struct {
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userService *services.UserService
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authService *services.AuthService
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}
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func NewUserHandler(us *services.UserService, as *services.AuthService) *UserHandler {
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return &UserHandler{userService: us, authService: as}
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}
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func (h *UserHandler) Register(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodPost {
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http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
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return
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}
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var req models.RegisterRequest
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if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
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http.Error(w, "invalid request body", http.StatusBadRequest)
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return
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}
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req.Email = strings.TrimSpace(strings.ToLower(req.Email))
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if req.Email == "" || req.Password == "" {
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http.Error(w, "email and password are required", http.StatusBadRequest)
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return
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}
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if len(req.Password) < 8 {
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http.Error(w, "password must be at least 8 characters", http.StatusBadRequest)
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return
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}
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exists, err := h.userService.EmailExists(req.Email)
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if err != nil {
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http.Error(w, "internal server error", http.StatusInternalServerError)
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return
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}
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if exists {
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http.Error(w, "email already registered", http.StatusConflict)
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return
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}
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user, err := h.userService.CreateUser(req.Email, req.Password)
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if err != nil {
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http.Error(w, "Failed to create user", http.StatusInternalServerError)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusCreated)
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json.NewEncoder(w).Encode(user)
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}
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func (h *UserHandler) Login(w http.ResponseWriter, r *http.Request) {
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if r.Method != http.MethodPost {
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http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
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return
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}
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var req models.LoginRequest
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if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
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http.Error(w, "invalid request body", http.StatusBadRequest)
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return
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}
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req.Email = strings.ToLower(strings.TrimSpace(req.Email))
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user, err := h.userService.GetUserByEmail(req.Email)
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if err != nil || user == nil {
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http.Error(w, "invalid credentials", http.StatusUnauthorized)
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return
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}
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if !h.userService.ValidatePassword(user, req.Password) {
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http.Error(w, "invalid credentials", http.StatusUnauthorized)
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return
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}
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token, err := h.authService.GenerateToken(user.ID, user.Email)
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if err != nil {
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http.Error(w, "failed to generate token", http.StatusInternalServerError)
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return
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}
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w.Header().Set("Content-Type", "application/json")
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json.NewEncoder(w).Encode(models.LoginResponse{User: *user, Token: token})
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}
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