Initialize base

2025-07-27 16:20:21 +03:30
commit ad9db7bcce
31 changed files with 8268 additions and 0 deletions
@@ -0,0 +1,517 @@
+package service
+
+import (
+	"context"
+	"errors"
+	"time"
+
+	"github.com/golang-jwt/jwt/v5"
+	"github.com/google/uuid"
+	"golang.org/x/crypto/bcrypt"
+
+	"tm/internal/domain"
+	"tm/internal/infrastructure"
+	"tm/pkg/logger"
+)
+
+// UserAuthServiceImpl implements the UserAuthService interface
+type UserAuthServiceImpl struct {
+	userRepo domain.UserRepository
+	config   *infrastructure.AuthConfig
+	logger   logger.Logger
+}
+
+// NewUserAuthService creates a new panel user authentication service
+func NewUserAuthService(
+	userRepo domain.UserRepository,
+	config *infrastructure.AuthConfig,
+	logger logger.Logger,
+) domain.UserAuthService {
+	return &UserAuthServiceImpl{
+		userRepo: userRepo,
+		config:   config,
+		logger:   logger,
+	}
+}
+
+// Login authenticates a panel user and returns tokens
+func (s *UserAuthServiceImpl) Login(ctx context.Context, req domain.LoginRequest) (*domain.UserAuthResponse, error) {
+	s.logger.Info("Panel user login attempt", map[string]interface{}{
+		"email": req.Email,
+	})
+
+	// Get user by email
+	user, err := s.userRepo.GetByEmail(ctx, req.Email)
+	if err != nil {
+		s.logger.Warn("Panel user login failed - user not found", map[string]interface{}{
+			"email": req.Email,
+		})
+		return nil, errors.New("invalid credentials")
+	}
+
+	// Check if user is active
+	if !user.IsActive {
+		s.logger.Warn("Panel user login failed - account inactive", map[string]interface{}{
+			"email":   req.Email,
+			"user_id": user.ID.String(),
+		})
+		return nil, errors.New("account is inactive")
+	}
+
+	// Verify password
+	if !s.verifyPassword(req.Password, user.Password) {
+		s.logger.Warn("Panel user login failed - invalid password", map[string]interface{}{
+			"email":   req.Email,
+			"user_id": user.ID.String(),
+		})
+		return nil, errors.New("invalid credentials")
+	}
+
+	// Update last login time
+	user.LastLoginAt = &time.Time{}
+	*user.LastLoginAt = time.Now()
+
+	if err := s.userRepo.Update(ctx, user); err != nil {
+		s.logger.Warn("Failed to update user last login", map[string]interface{}{
+			"error":   err.Error(),
+			"user_id": user.ID.String(),
+		})
+		// Don't fail login for this
+	}
+
+	// Generate tokens
+	accessToken, err := s.generateAccessToken(user)
+	if err != nil {
+		s.logger.Error("Failed to generate access token", map[string]interface{}{
+			"error":   err.Error(),
+			"user_id": user.ID.String(),
+		})
+		return nil, errors.New("failed to generate access token")
+	}
+
+	refreshToken, err := s.generateRefreshToken(user)
+	if err != nil {
+		s.logger.Error("Failed to generate refresh token", map[string]interface{}{
+			"error":   err.Error(),
+			"user_id": user.ID.String(),
+		})
+		return nil, errors.New("failed to generate refresh token")
+	}
+
+	s.logger.Info("Panel user logged in successfully", map[string]interface{}{
+		"user_id":    user.ID.String(),
+		"email":      user.Email,
+		"role":       user.Role,
+		"department": user.Department,
+	})
+
+	return &domain.UserAuthResponse{
+		User:         user,
+		AccessToken:  accessToken,
+		RefreshToken: refreshToken,
+		ExpiresIn:    int64(s.config.JWT.AccessTokenDuration.Seconds()),
+	}, nil
+}
+
+// RefreshToken generates new tokens using refresh token
+func (s *UserAuthServiceImpl) RefreshToken(ctx context.Context, refreshToken string) (*domain.UserAuthResponse, error) {
+	// Parse and validate refresh token
+	token, err := jwt.Parse(refreshToken, func(token *jwt.Token) (interface{}, error) {
+		if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
+			return nil, errors.New("invalid signing method")
+		}
+		return []byte(s.config.JWT.Secret), nil
+	})
+
+	if err != nil || !token.Valid {
+		return nil, errors.New("invalid refresh token")
+	}
+
+	claims, ok := token.Claims.(jwt.MapClaims)
+	if !ok {
+		return nil, errors.New("invalid token claims")
+	}
+
+	// Verify token type
+	tokenType, ok := claims["type"].(string)
+	if !ok || tokenType != "refresh" {
+		return nil, errors.New("invalid token type")
+	}
+
+	// Verify user type
+	userType, ok := claims["user_type"].(string)
+	if !ok || userType != "user" {
+		return nil, errors.New("invalid user type")
+	}
+
+	userIDStr, ok := claims["user_id"].(string)
+	if !ok {
+		return nil, errors.New("invalid user ID in token")
+	}
+
+	userID, err := uuid.Parse(userIDStr)
+	if err != nil {
+		return nil, errors.New("invalid user ID format")
+	}
+
+	// Get user from database
+	user, err := s.userRepo.GetByID(ctx, userID)
+	if err != nil {
+		return nil, errors.New("user not found")
+	}
+
+	if !user.IsActive {
+		return nil, errors.New("account is inactive")
+	}
+
+	// Generate new tokens
+	accessToken, err := s.generateAccessToken(user)
+	if err != nil {
+		return nil, errors.New("failed to generate access token")
+	}
+
+	newRefreshToken, err := s.generateRefreshToken(user)
+	if err != nil {
+		return nil, errors.New("failed to generate refresh token")
+	}
+
+	return &domain.UserAuthResponse{
+		User:         user,
+		AccessToken:  accessToken,
+		RefreshToken: newRefreshToken,
+		ExpiresIn:    int64(s.config.JWT.AccessTokenDuration.Seconds()),
+	}, nil
+}
+
+// ValidateToken validates a JWT token and returns the user
+func (s *UserAuthServiceImpl) ValidateToken(ctx context.Context, tokenString string) (*domain.User, error) {
+	token, err := jwt.Parse(tokenString, func(token *jwt.Token) (interface{}, error) {
+		if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
+			return nil, errors.New("invalid signing method")
+		}
+		return []byte(s.config.JWT.Secret), nil
+	})
+
+	if err != nil || !token.Valid {
+		return nil, errors.New("invalid token")
+	}
+
+	claims, ok := token.Claims.(jwt.MapClaims)
+	if !ok {
+		return nil, errors.New("invalid token claims")
+	}
+
+	// Verify token type
+	tokenType, ok := claims["type"].(string)
+	if !ok || tokenType != "access" {
+		return nil, errors.New("invalid token type")
+	}
+
+	// Verify user type
+	userType, ok := claims["user_type"].(string)
+	if !ok || userType != "user" {
+		return nil, errors.New("invalid user type")
+	}
+
+	userIDStr, ok := claims["user_id"].(string)
+	if !ok {
+		return nil, errors.New("invalid user ID in token")
+	}
+
+	userID, err := uuid.Parse(userIDStr)
+	if err != nil {
+		return nil, errors.New("invalid user ID format")
+	}
+
+	user, err := s.userRepo.GetByID(ctx, userID)
+	if err != nil {
+		return nil, errors.New("user not found")
+	}
+
+	if !user.IsActive {
+		return nil, errors.New("account is inactive")
+	}
+
+	return user, nil
+}
+
+// ChangePassword changes panel user password
+func (s *UserAuthServiceImpl) ChangePassword(ctx context.Context, userID uuid.UUID, oldPassword, newPassword string) error {
+	user, err := s.userRepo.GetByID(ctx, userID)
+	if err != nil {
+		return errors.New("user not found")
+	}
+
+	// Verify old password
+	if !s.verifyPassword(oldPassword, user.Password) {
+		return errors.New("invalid old password")
+	}
+
+	// Hash new password
+	hashedPassword, err := s.hashPassword(newPassword)
+	if err != nil {
+		return errors.New("failed to process new password")
+	}
+
+	// Update password
+	user.Password = hashedPassword
+
+	if err := s.userRepo.Update(ctx, user); err != nil {
+		s.logger.Error("Failed to update user password", map[string]interface{}{
+			"error":   err.Error(),
+			"user_id": userID.String(),
+		})
+		return errors.New("failed to update password")
+	}
+
+	s.logger.Info("Panel user password changed successfully", map[string]interface{}{
+		"user_id": userID.String(),
+	})
+
+	return nil
+}
+
+// CreatePanelUser creates a new panel user (admin only)
+func (s *UserAuthServiceImpl) CreatePanelUser(ctx context.Context, req domain.CreateUserRequest, createdBy uuid.UUID) (*domain.User, error) {
+	s.logger.Info("Creating new panel user", map[string]interface{}{
+		"email":      req.Email,
+		"role":       req.Role,
+		"created_by": createdBy.String(),
+	})
+
+	// Check if user already exists
+	existingUser, err := s.userRepo.GetByEmail(ctx, req.Email)
+	if err == nil && existingUser != nil {
+		return nil, errors.New("user already exists")
+	}
+
+	// Validate role
+	if !s.isValidRole(req.Role) {
+		return nil, errors.New("invalid role")
+	}
+
+	// Hash password
+	hashedPassword, err := s.hashPassword(req.Password)
+	if err != nil {
+		s.logger.Error("Failed to hash password", map[string]interface{}{
+			"error": err.Error(),
+		})
+		return nil, errors.New("failed to process password")
+	}
+
+	// Create user
+	user := &domain.User{
+		ID:          uuid.New(),
+		Email:       req.Email,
+		Password:    hashedPassword,
+		FirstName:   req.FirstName,
+		LastName:    req.LastName,
+		Role:        req.Role,
+		Department:  req.Department,
+		IsActive:    true,
+		Permissions: s.getDefaultPermissions(req.Role),
+		CreatedBy:   &createdBy,
+		CreatedAt:   time.Now(),
+		UpdatedAt:   time.Now(),
+	}
+
+	// Add custom permissions if provided
+	if len(req.Permissions) > 0 {
+		user.Permissions = append(user.Permissions, req.Permissions...)
+		user.Permissions = s.removeDuplicatePermissions(user.Permissions)
+	}
+
+	if err := s.userRepo.Create(ctx, user); err != nil {
+		s.logger.Error("Failed to create panel user", map[string]interface{}{
+			"error":      err.Error(),
+			"email":      req.Email,
+			"created_by": createdBy.String(),
+		})
+		return nil, errors.New("failed to create user")
+	}
+
+	s.logger.Info("Panel user created successfully", map[string]interface{}{
+		"user_id":    user.ID.String(),
+		"email":      user.Email,
+		"role":       user.Role,
+		"created_by": createdBy.String(),
+	})
+
+	// Remove password from response
+	user.Password = ""
+
+	return user, nil
+}
+
+// UpdateUserPermissions updates panel user permissions (admin only)
+func (s *UserAuthServiceImpl) UpdateUserPermissions(ctx context.Context, userID uuid.UUID, permissions []string, updatedBy uuid.UUID) error {
+	// Check if user exists
+	_, err := s.userRepo.GetByID(ctx, userID)
+	if err != nil {
+		return errors.New("user not found")
+	}
+
+	// Validate permissions
+	for _, permission := range permissions {
+		if !s.isValidPermission(permission) {
+			return errors.New("invalid permission: " + permission)
+		}
+	}
+
+	// Update permissions
+	if err := s.userRepo.UpdatePermissions(ctx, userID, permissions); err != nil {
+		s.logger.Error("Failed to update user permissions", map[string]interface{}{
+			"error":      err.Error(),
+			"user_id":    userID.String(),
+			"updated_by": updatedBy.String(),
+		})
+		return errors.New("failed to update permissions")
+	}
+
+	s.logger.Info("Panel user permissions updated successfully", map[string]interface{}{
+		"user_id":     userID.String(),
+		"permissions": permissions,
+		"updated_by":  updatedBy.String(),
+	})
+
+	return nil
+}
+
+// Private helper methods
+
+func (s *UserAuthServiceImpl) hashPassword(password string) (string, error) {
+	hashedBytes, err := bcrypt.GenerateFromPassword([]byte(password), bcrypt.DefaultCost)
+	if err != nil {
+		return "", err
+	}
+	return string(hashedBytes), nil
+}
+
+func (s *UserAuthServiceImpl) verifyPassword(password, hashedPassword string) bool {
+	err := bcrypt.CompareHashAndPassword([]byte(hashedPassword), []byte(password))
+	return err == nil
+}
+
+func (s *UserAuthServiceImpl) generateAccessToken(user *domain.User) (string, error) {
+	claims := jwt.MapClaims{
+		"user_id":     user.ID.String(),
+		"email":       user.Email,
+		"role":        user.Role,
+		"department":  user.Department,
+		"permissions": user.Permissions,
+		"user_type":   "user",
+		"exp":         time.Now().Add(s.config.JWT.AccessTokenDuration).Unix(),
+		"iat":         time.Now().Unix(),
+		"type":        "access",
+	}
+
+	token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
+	return token.SignedString([]byte(s.config.JWT.Secret))
+}
+
+func (s *UserAuthServiceImpl) generateRefreshToken(user *domain.User) (string, error) {
+	claims := jwt.MapClaims{
+		"user_id":   user.ID.String(),
+		"user_type": "user",
+		"exp":       time.Now().Add(s.config.JWT.RefreshTokenDuration).Unix(),
+		"iat":       time.Now().Unix(),
+		"type":      "refresh",
+	}
+
+	token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
+	return token.SignedString([]byte(s.config.JWT.Secret))
+}
+
+func (s *UserAuthServiceImpl) isValidRole(role domain.UserRole) bool {
+	validRoles := []domain.UserRole{
+		domain.UserRoleAdmin,
+		domain.UserRoleModerator,
+		domain.UserRoleSupport,
+		domain.UserRoleAnalyst,
+	}
+
+	for _, validRole := range validRoles {
+		if role == validRole {
+			return true
+		}
+	}
+	return false
+}
+
+func (s *UserAuthServiceImpl) getDefaultPermissions(role domain.UserRole) []string {
+	switch role {
+	case domain.UserRoleAdmin:
+		return []string{
+			"manage_users",
+			"manage_tenders",
+			"manage_companies",
+			"manage_customers",
+			"view_reports",
+			"manage_system",
+			"manage_sources",
+		}
+	case domain.UserRoleModerator:
+		return []string{
+			"manage_tenders",
+			"manage_companies",
+			"view_customers",
+			"view_reports",
+			"manage_sources",
+		}
+	case domain.UserRoleSupport:
+		return []string{
+			"view_customers",
+			"view_tenders",
+			"view_companies",
+			"create_tickets",
+		}
+	case domain.UserRoleAnalyst:
+		return []string{
+			"view_reports",
+			"view_tenders",
+			"view_customers",
+			"view_companies",
+			"export_data",
+		}
+	default:
+		return []string{}
+	}
+}
+
+func (s *UserAuthServiceImpl) isValidPermission(permission string) bool {
+	validPermissions := []string{
+		"manage_users",
+		"manage_tenders",
+		"manage_companies",
+		"manage_customers",
+		"view_customers",
+		"view_tenders",
+		"view_companies",
+		"view_reports",
+		"manage_system",
+		"manage_sources",
+		"create_tickets",
+		"export_data",
+	}
+
+	for _, validPermission := range validPermissions {
+		if permission == validPermission {
+			return true
+		}
+	}
+	return false
+}
+
+func (s *UserAuthServiceImpl) removeDuplicatePermissions(permissions []string) []string {
+	seen := make(map[string]bool)
+	result := []string{}
+
+	for _, permission := range permissions {
+		if !seen[permission] {
+			seen[permission] = true
+			result = append(result, permission)
+		}
+	}
+
+	return result
+}