n8n/packages/nodes-base/nodes/Google/Books/GenericFunctions.ts

88 lines
2.2 KiB
TypeScript

import type { OptionsWithUri } from 'request';
import type {
IExecuteFunctions,
ILoadOptionsFunctions,
IDataObject,
JsonObject,
} from 'n8n-workflow';
import { NodeApiError } from 'n8n-workflow';
import { getGoogleAccessToken } from '../GenericFunctions';
export async function googleApiRequest(
this: IExecuteFunctions | ILoadOptionsFunctions,
method: string,
resource: string,
body: any = {},
qs: IDataObject = {},
uri?: string,
headers: IDataObject = {},
): Promise<any> {
const authenticationMethod = this.getNodeParameter(
'authentication',
0,
'serviceAccount',
) as string;
const options: OptionsWithUri = {
headers: {
'Content-Type': 'application/json',
},
method,
body,
qs,
uri: uri || `https://www.googleapis.com/books/${resource}`,
json: true,
};
try {
if (Object.keys(headers).length !== 0) {
options.headers = Object.assign({}, options.headers, headers);
}
if (Object.keys(body as IDataObject).length === 0) {
delete options.body;
}
if (authenticationMethod === 'serviceAccount') {
const credentials = (await this.getCredentials('googleApi')) as {
email: string;
privateKey: string;
};
const { access_token } = await getGoogleAccessToken.call(this, credentials, 'books');
options.headers!.Authorization = `Bearer ${access_token}`;
return await this.helpers.request(options);
} else {
return await this.helpers.requestOAuth2.call(this, 'googleBooksOAuth2Api', options);
}
} catch (error) {
if (error.code === 'ERR_OSSL_PEM_NO_START_LINE') {
error.statusCode = '401';
}
throw new NodeApiError(this.getNode(), error as JsonObject);
}
}
export async function googleApiRequestAllItems(
this: IExecuteFunctions | ILoadOptionsFunctions,
propertyName: string,
method: string,
endpoint: string,
body: any = {},
query: IDataObject = {},
): Promise<any> {
const returnData: IDataObject[] = [];
let responseData;
query.maxResults = 40;
do {
responseData = await googleApiRequest.call(this, method, endpoint, body, query);
returnData.push.apply(returnData, (responseData[propertyName] as IDataObject[]) || []);
} while (returnData.length < responseData.totalItems);
return returnData;
}