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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| import fetch, { UnfetchResponse } from "unfetch"; | ||
| import { GenericRecord, IHttpConfig } from "./common"; | ||
| import { InvalidResponseError } from "../../utils/errors"; | ||
|
|
||
| export namespace Network { | ||
| /** | ||
| * Performs a request and returns a JSON object with the response | ||
| */ | ||
|
|
||
| export async function get(config: IHttpConfig, path: string, data?: GenericRecord) { | ||
| const { url, headers } = config; | ||
| const endpoint: URL = new URL(path, url); | ||
| for (const [key, value] of Object.entries(data ?? {})) { | ||
| if (value != null) { | ||
| endpoint.searchParams.set(key, String(value)); | ||
| } | ||
| } | ||
| const response: UnfetchResponse = await fetch(endpoint.href, { | ||
| method: "GET", | ||
| headers | ||
| }); | ||
| if (!response.ok) { | ||
| throw new InvalidResponseError(response); | ||
| } | ||
| return response.json(); | ||
| } | ||
|
|
||
| export async function post(config: IHttpConfig, path: string, data?: any) { | ||
| const { url, headers } = config; | ||
| const endpoint: URL = new URL(path, url); | ||
| const response: UnfetchResponse = await fetch(endpoint.href, { | ||
| method: "POST", | ||
| headers: { | ||
| "Content-Type": "application/json", | ||
| ...headers | ||
| }, | ||
| body: JSON.stringify(data) | ||
| }); | ||
|
|
||
| if (!response.ok) { | ||
| throw new InvalidResponseError(response); | ||
| } | ||
| return response.json(); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| import { UnfetchResponse } from "unfetch"; | ||
|
|
||
| export class InvalidEmailParamError extends Error { | ||
| constructor() { | ||
| super("The param does not email"); | ||
| } | ||
| } | ||
|
|
||
| export class MismatchApproveAddressError extends Error { | ||
| constructor() { | ||
| super("Customer and approver mismatch"); | ||
| } | ||
| } | ||
|
|
||
| export class UnregisteredEmailError extends Error { | ||
| constructor() { | ||
| super("Unregistered email error"); | ||
| } | ||
| } | ||
| export class InsufficientBalanceError extends Error { | ||
| constructor() { | ||
| super("Insufficient balance error"); | ||
| } | ||
| } | ||
|
|
||
| export class NoHttpModuleError extends Error { | ||
| constructor() { | ||
| super("A Http Module is needed"); | ||
| } | ||
| } | ||
| export class ClientError extends Error { | ||
| public response: UnfetchResponse; | ||
| constructor(res: UnfetchResponse) { | ||
| super(res.statusText); | ||
| this.name = "ClientError"; | ||
| this.response = res; | ||
| } | ||
| } | ||
|
|
||
| export class InvalidResponseError extends ClientError { | ||
| constructor(res: UnfetchResponse) { | ||
| super(res); | ||
| this.message = "Invalid response"; | ||
| } | ||
| } | ||
| export class MissingBodyeError extends ClientError { | ||
| constructor(res: UnfetchResponse) { | ||
| super(res); | ||
| this.message = "Missing response body"; | ||
| } | ||
| } | ||
| export class BodyParseError extends ClientError { | ||
| constructor(res: UnfetchResponse) { | ||
| super(res); | ||
| this.message = "Error parsing body"; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,111 @@ | ||
| /** | ||
| * Contains definition for error types | ||
| * | ||
| * Copyright: | ||
| * Copyright (c) 2022 BOSAGORA Foundation All rights reserved. | ||
| * | ||
| * License: | ||
| * MIT License. See LICENSE for details. | ||
| */ | ||
|
|
||
| /** | ||
| * The class used when a network error occurs | ||
| */ | ||
| export class NetworkError extends Error { | ||
| /** | ||
| * The status code | ||
| */ | ||
| public status: number; | ||
|
|
||
| /** | ||
| * The status text | ||
| */ | ||
| public statusText: string; | ||
|
|
||
| /** | ||
| * The message of response | ||
| */ | ||
| public statusMessage: string; | ||
|
|
||
| /** | ||
| * Constructor | ||
| * @param status The status code | ||
| * @param statusText The status text | ||
| * @param statusMessage The message of response | ||
| */ | ||
| constructor(status: number, statusText: string, statusMessage: string) { | ||
| super(statusText); | ||
| this.name = "NetworkError"; | ||
| this.status = status; | ||
| this.statusText = statusText; | ||
| this.statusMessage = statusMessage; | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * When status code is 404 | ||
| */ | ||
| export class NotFoundError extends NetworkError { | ||
| /** | ||
| * Constructor | ||
| * @param status The status code | ||
| * @param statusText The status text | ||
| * @param statusMessage The message of response | ||
| */ | ||
| constructor(status: number, statusText: string, statusMessage: string) { | ||
| super(status, statusText, statusMessage); | ||
| this.name = "NotFoundError"; | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * When status code is 400 | ||
| */ | ||
| export class BadRequestError extends NetworkError { | ||
| /** | ||
| * Constructor | ||
| * @param status The status code | ||
| * @param statusText The status text | ||
| * @param statusMessage The message of response | ||
| */ | ||
| constructor(status: number, statusText: string, statusMessage: string) { | ||
| super(status, statusText, statusMessage); | ||
| this.name = "BadRequestError"; | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * It is a function that handles errors that occur during communication | ||
| * with a server for easy use. | ||
| * @param error This is why the error occurred | ||
| * @returns The instance of Error | ||
| */ | ||
| export function handleNetworkError(error: any): Error { | ||
| if ( | ||
| error.response !== undefined && | ||
| error.response.status !== undefined && | ||
| error.response.statusText !== undefined | ||
| ) { | ||
| let statusMessage: string; | ||
| if (error.response.data !== undefined) { | ||
| if (typeof error.response.data === "string") statusMessage = error.response.data; | ||
| else if (typeof error.response.data === "object" && error.response.data.statusMessage !== undefined) | ||
| statusMessage = error.response.data.statusMessage; | ||
| else if (typeof error.response.data === "object" && error.response.data.errorMessage !== undefined) | ||
| statusMessage = error.response.data.errorMessage; | ||
| else statusMessage = error.response.data.toString(); | ||
| } else statusMessage = ""; | ||
|
|
||
| switch (error.response.status) { | ||
| case 400: | ||
| return new BadRequestError(error.response.status, error.response.statusText, statusMessage); | ||
| case 404: | ||
| return new NotFoundError(error.response.status, error.response.statusText, statusMessage); | ||
| default: | ||
| return new NetworkError(error.response.status, error.response.statusText, statusMessage); | ||
| } | ||
| } else { | ||
| if (error.message !== undefined) return new Error(error.message); | ||
| else return new Error("An unknown error has occurred."); | ||
| } | ||
| } |
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