69 lines
1.9 KiB
TypeScript
69 lines
1.9 KiB
TypeScript
import { ApolloError } from "@apollo/client";
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export interface SignUpError {
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message: string;
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emailInvalid: boolean;
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firstNameInvalid: boolean;
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lastNameInvalid: boolean;
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passwordInvalid: boolean;
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}
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const isEmailAlreadyUsed = (error: ApolloError): boolean => {
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const errorMessage = error.message.toLowerCase();
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return (
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errorMessage.includes("unique-constraint") && errorMessage.includes("email")
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);
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};
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const isFirstNameInvalid = (error: ApolloError): boolean => {
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const errorMessage = error.message.toLowerCase();
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return (
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errorMessage.includes("invalid") && errorMessage.includes("first name")
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);
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};
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const isLastNameInvalid = (error: ApolloError): boolean => {
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const errorMessage = error.message.toLowerCase();
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return errorMessage.includes("invalid") && errorMessage.includes("last name");
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};
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const isPasswordInvalid = (error: ApolloError): boolean => {
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const errorMessage = error.message.toLowerCase();
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return errorMessage.includes("invalid") && errorMessage.includes("password");
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};
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const parseErrorMessage = (error: ApolloError): string => {
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let result = "Sign-up failed because of the following reason(s): ";
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if (isEmailAlreadyUsed(error)) {
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result += "The E-Mail is already in use. ";
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}
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if (isFirstNameInvalid(error)) {
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result += "The provided 'First Name' is invalid. ";
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}
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if (isLastNameInvalid(error)) {
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result += "The provided 'Last Name' is invalid. ";
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}
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if (isPasswordInvalid(error)) {
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result += "The provided password is invalid. ";
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}
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return result;
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};
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export const errorHandler = (
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error: undefined | ApolloError
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): undefined | SignUpError => {
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return error
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? {
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message: parseErrorMessage(error),
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emailInvalid: isEmailAlreadyUsed(error),
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firstNameInvalid: isFirstNameInvalid(error),
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lastNameInvalid: isLastNameInvalid(error),
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passwordInvalid: isPasswordInvalid(error),
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}
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: undefined;
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};
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