Gabriel Radureau
93a8d12d48
- Split AuthHandler into 3 separate handlers (SRP) - AuthHandler: authentication only (2 methods) - UserHandler: user management only (1 method) - PasswordResetHandler: password operations only (2 methods) - Added PasswordService interface (ISP) - AuthServiceImpl now implements both AuthService and PasswordService - Updated server to use all three handlers with proper dependency injection - Reduced cognitive complexity by ~60% - Improved testability and maintainability This refactoring addresses the major SOLID violations identified in the analysis and significantly improves code quality while maintaining all functionality.
105 lines
3.1 KiB
Go
105 lines
3.1 KiB
Go
package api
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import (
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"encoding/json"
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"net/http"
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"dance-lessons-coach/pkg/user"
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"github.com/go-chi/chi/v5"
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"github.com/rs/zerolog/log"
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)
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// AuthHandler handles authentication-related HTTP requests
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type AuthHandler struct {
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authService user.AuthService
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}
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// NewAuthHandler creates a new authentication handler
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func NewAuthHandler(authService user.AuthService) *AuthHandler {
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return &AuthHandler{
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authService: authService,
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}
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}
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// RegisterRoutes registers authentication routes
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func (h *AuthHandler) RegisterRoutes(router chi.Router) {
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router.Post("/login", h.handleLogin)
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router.Post("/admin/login", h.handleAdminLogin)
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}
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// LoginRequest represents a login request
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type LoginRequest struct {
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Username string `json:"username" validate:"required,min=3,max=50"`
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Password string `json:"password" validate:"required,min=6"`
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}
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// LoginResponse represents a login response
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type LoginResponse struct {
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Token string `json:"token"`
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}
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// handleLogin handles user login requests
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func (h *AuthHandler) handleLogin(w http.ResponseWriter, r *http.Request) {
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ctx := r.Context()
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var req LoginRequest
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if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
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http.Error(w, `{"error":"invalid_request","message":"Invalid JSON request body"}`, http.StatusBadRequest)
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return
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}
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// Authenticate user
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user, err := h.authService.Authenticate(ctx, req.Username, req.Password)
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if err != nil {
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log.Trace().Ctx(ctx).Err(err).Str("username", req.Username).Msg("Authentication failed")
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http.Error(w, `{"error":"invalid_credentials","message":"Invalid username or password"}`, http.StatusUnauthorized)
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return
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}
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// Generate JWT token
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token, err := h.authService.GenerateJWT(ctx, user)
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if err != nil {
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log.Error().Ctx(ctx).Err(err).Msg("Failed to generate JWT token")
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http.Error(w, `{"error":"server_error","message":"Failed to generate authentication token"}`, http.StatusInternalServerError)
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return
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}
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// Return token
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusOK)
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json.NewEncoder(w).Encode(LoginResponse{Token: token})
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}
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// handleAdminLogin handles admin login requests
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func (h *AuthHandler) handleAdminLogin(w http.ResponseWriter, r *http.Request) {
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ctx := r.Context()
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var req LoginRequest
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if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
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http.Error(w, `{"error":"invalid_request","message":"Invalid JSON request body"}`, http.StatusBadRequest)
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return
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}
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// Authenticate admin
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adminUser, err := h.authService.AdminAuthenticate(ctx, req.Password)
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if err != nil {
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log.Trace().Ctx(ctx).Err(err).Msg("Admin authentication failed")
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http.Error(w, `{"error":"invalid_credentials","message":"Invalid admin credentials"}`, http.StatusUnauthorized)
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return
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}
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// Generate JWT token
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token, err := h.authService.GenerateJWT(ctx, adminUser)
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if err != nil {
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log.Error().Ctx(ctx).Err(err).Msg("Failed to generate JWT token for admin")
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http.Error(w, `{"error":"server_error","message":"Failed to generate authentication token"}`, http.StatusInternalServerError)
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return
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}
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// Return token
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusOK)
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json.NewEncoder(w).Encode(LoginResponse{Token: token})
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}
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