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

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import {
OptionsWithUrl,
} from 'request';
import {
IExecuteFunctions,
IExecuteSingleFunctions,
IHookFunctions,
ILoadOptionsFunctions,
} from 'n8n-core';
import {
IDataObject,
} from 'n8n-workflow';
import {
createHmac,
} from 'crypto';
import * as qs from 'qs';
export async function unleashedApiRequest(this: IHookFunctions | IExecuteFunctions | IExecuteSingleFunctions | ILoadOptionsFunctions, method: string, path: string, body: any = {}, query: IDataObject = {}, pageNumber?: number, headers?: object): Promise<any> { // tslint:disable-line:no-any
const paginatedPath = pageNumber ? `/${path}/${pageNumber}` : `/${path}`;
const options: OptionsWithUrl = {
headers: {
'Accept': 'application/json',
'Content-Type': 'application/json',
},
method,
qs: query,
body,
url: `https://api.unleashedsoftware.com/${paginatedPath}`,
json: true,
};
if (Object.keys(body).length === 0) {
delete options.body;
}
const credentials = this.getCredentials('unleashedSoftwareApi');
if (credentials === undefined) {
throw new Error('No credentials got returned!');
}
const signature = createHmac('sha256', (credentials.apiKey as string))
.update(qs.stringify(query))
.digest('base64');
options.headers = Object.assign({}, headers, {
'api-auth-id': credentials.apiId,
'api-auth-signature': signature,
});
try {
return await this.helpers.request!(options);
} catch (error) {
if (error.response && error.response.body && error.response.body.description) {
throw new Error(`Unleashed Error response [${error.statusCode}]: ${error.response.body.description}`);
}
throw error;
}
}
export async function unleashedApiRequestAllItems(this: IExecuteFunctions | ILoadOptionsFunctions, propertyName: string, method: string, endpoint: string, body: any = {}, query: IDataObject = {}): Promise<any> { // tslint:disable-line:no-any
const returnData: IDataObject[] = [];
let responseData;
let pageNumber = 1;
query.pageSize = 1000;
do {
responseData = await unleashedApiRequest.call(this, method, endpoint, body, query, pageNumber);
returnData.push.apply(returnData, responseData[propertyName]);
pageNumber++;
} while (
(responseData.Pagination.PageNumber as number) < (responseData.Pagination.NumberOfPages as number)
);
return returnData;
}
//.NET code is serializing dates in the following format: "/Date(1586833770780)/"
//which is useless on JS side and could not treated as a date for other nodes
//so we need to convert all of the fields that has it.
export function convertNETDates(item: { [key: string]: any }) { // tslint:disable-line:no-any
Object.keys(item).forEach(path => {
const type = typeof item[path] as string;
if (type === 'string') {
const value = item[path] as string;
const a = /\/Date\((\d*)\)\//.exec(value);
if (a) {
item[path] = new Date(+a[1]);
}
} if (type === 'object' && item[path]) {
convertNETDates(item[path]);
}
});
}