unified code verification service

api/server/internal/mutil/verification/verificatoin.go

@@ -0,0 +1,45 @@
+package mutil
+
+import (
+	"errors"
+	"net/http"
+
+	"github.com/tech/sendico/pkg/api/http/response"
+	"github.com/tech/sendico/pkg/db/verification"
+	"github.com/tech/sendico/pkg/mlogger"
+	"github.com/tech/sendico/pkg/mservice"
+	"go.uber.org/zap"
+)
+
+func MapTokenErrorToResponse(logger mlogger.Logger, service mservice.Type, err error) http.HandlerFunc {
+	if errors.Is(err, verification.ErrTokenNotFound) {
+		logger.Debug("Verification token not found during consume", zap.Error(err))
+		return response.NotFound(logger, service, "No account found associated with given verifcation token")
+	}
+	if errors.Is(err, verification.ErrTokenExpired) {
+		logger.Debug("Verification token expired during consume", zap.Error(err))
+		return response.Gone(logger, service, "token_expired", "verification token has expired")
+	}
+	if errors.Is(err, verification.ErrTokenAlreadyUsed) {
+		logger.Debug("Verification token already used during consume", zap.Error(err))
+		return response.DataConflict(logger, service, "verification token has already been used")
+	}
+	if errors.Is(err, verification.ErrTokenAttemptsExceeded) {
+		logger.Debug("Verification token attempts exceeded", zap.Error(err))
+		return response.Forbidden(logger, service, "code_attempts_exceeded", "verification token has already been used")
+	}
+	if errors.Is(err, verification.ErrCooldownActive) {
+		logger.Debug("Cooldown is still active", zap.Error(err))
+		return response.TooManyRequests(logger, service, "verification token can't be generated yet, cooldown is still active")
+	}
+	if errors.Is(err, verification.ErrIdempotencyConflict) {
+		logger.Debug("Verification idempotency key conflict", zap.Error(err))
+		return response.DataConflict(logger, service, "verification request was already processed")
+	}
+	if err != nil {
+		logger.Warn("Unexpected error during token verification", zap.Error(err))
+		return response.Auto(logger, service, err)
+	}
+	logger.Debug("No token verification error found")
+	return response.Success(logger)
+}