n8n/packages/nodes-base/nodes/WooCommerce/GenericFunctions.ts

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import { OptionsWithUri } from 'request';
import { createHash } from 'crypto';
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import { snakeCase } from 'change-case';
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import {
IExecuteFunctions,
IExecuteSingleFunctions,
IHookFunctions,
ILoadOptionsFunctions,
IWebhookFunctions,
} from 'n8n-core';
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import {
ICredentialDataDecryptedObject,
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IDataObject,
} from 'n8n-workflow';
import {
ICouponLine,
IFeeLine,
ILineItem,
IShoppingLine,
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} from './OrderInterface';
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export async function woocommerceApiRequest(this: IHookFunctions | IExecuteFunctions | IExecuteSingleFunctions | ILoadOptionsFunctions | IWebhookFunctions, method: string, resource: string, body: any = {}, qs: IDataObject = {}, uri?: string, option: IDataObject = {}): Promise<any> { // tslint:disable-line:no-any
const credentials = this.getCredentials('wooCommerceApi');
if (credentials === undefined) {
throw new Error('No credentials got returned!');
}
let options: OptionsWithUri = {
auth: {
user: credentials.consumerKey as string,
password: credentials.consumerSecret as string,
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},
method,
qs,
body,
uri: uri || `${credentials.url}/wp-json/wc/v3${resource}`,
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json: true,
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};
if (!Object.keys(body).length) {
delete options.form;
}
options = Object.assign({}, options, option);
try {
return await this.helpers.request!(options);
} catch (error) {
if (error.statusCode === 401) {
// Return a clear error
throw new Error('The WooCommerce credentials are not valid!');
}
if (error.response.body && error.response.body.message) {
// Try to return the error prettier
throw new Error(`WooCommerce Error [${error.statusCode}]: ${error.response.body.message}`);
}
// If that data does not exist for some reason return the actual error
throw new Error('WooCommerce Error: ' + error.message);
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}
}
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export async function woocommerceApiRequestAllItems(this: IExecuteFunctions | ILoadOptionsFunctions, method: string, endpoint: string, body: any = {}, query: IDataObject = {}): Promise<any> { // tslint:disable-line:no-any
const returnData: IDataObject[] = [];
let responseData;
let uri: string | undefined;
query.per_page = 100;
do {
responseData = await woocommerceApiRequest.call(this, method, endpoint, body, query, uri, { resolveWithFullResponse: true });
uri = responseData.headers['link'].split(';')[0].replace('<', '').replace('>', '');
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returnData.push.apply(returnData, responseData.body);
} while (
responseData.headers['link'] !== undefined &&
responseData.headers['link'].includes('rel="next"')
);
return returnData;
}
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/**
* Creates a secret from the credentials
*
* @export
* @param {ICredentialDataDecryptedObject} credentials
* @returns
*/
export function getAutomaticSecret(credentials: ICredentialDataDecryptedObject) {
const data = `${credentials.consumerKey},${credentials.consumerSecret}`;
return createHash('md5').update(data).digest('hex');
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}
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export function setMetadata(data:
IShoppingLine[] |
IShoppingLine[] |
IFeeLine[] |
ILineItem[] |
ICouponLine[]) {
for (let i = 0; i < data.length; i++) {
//@ts-ignore\
if (data[i].metadataUi && data[i].metadataUi.metadataValues) {
//@ts-ignore
data[i].meta_data = data[i].metadataUi.metadataValues;
//@ts-ignore
delete data[i].metadataUi;
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} else {
//@ts-ignore
delete data[i].metadataUi;
}
}
}
export function toSnakeCase(data:
IShoppingLine[] |
IShoppingLine[] |
IFeeLine[] |
ILineItem[] |
ICouponLine[] |
IDataObject) {
if (!Array.isArray(data)) {
data = [data];
}
let remove = false;
for (let i = 0; i < data.length; i++) {
for (const key of Object.keys(data[i])) {
//@ts-ignore
if (data[i][snakeCase(key)] === undefined) {
remove = true;
}
//@ts-ignore
data[i][snakeCase(key)] = data[i][key];
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if (remove) {
//@ts-ignore
delete data[i][key];
remove = false;
}
}
}
}