n8n/packages/nodes-base/nodes/Google/Analytics/v1/GenericFunctions.ts

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import type { OptionsWithUri } from 'request';
import type { IExecuteFunctions, IExecuteSingleFunctions, ILoadOptionsFunctions } from 'n8n-core';
import type { IDataObject } from 'n8n-workflow';
import { NodeApiError } from 'n8n-workflow';
export async function googleApiRequest(
this: IExecuteFunctions | IExecuteSingleFunctions | ILoadOptionsFunctions,
method: string,
endpoint: string,
body: IDataObject = {},
qs: IDataObject = {},
uri?: string,
option: IDataObject = {},
) {
const baseURL = 'https://analyticsreporting.googleapis.com';
let options: OptionsWithUri = {
headers: {
Accept: 'application/json',
'Content-Type': 'application/json',
},
method,
body,
qs,
uri: uri || `${baseURL}${endpoint}`,
json: true,
};
options = Object.assign({}, options, option);
try {
if (Object.keys(body).length === 0) {
delete options.body;
}
if (Object.keys(qs).length === 0) {
delete options.qs;
}
return await this.helpers.requestOAuth2.call(this, 'googleAnalyticsOAuth2', options);
} catch (error) {
const errorData = (error.message || '').split(' - ')[1] as string;
if (errorData) {
const parsedError = JSON.parse(errorData.trim());
const [message, ...rest] = parsedError.error.message.split('\n');
const description = rest.join('\n');
const httpCode = parsedError.error.code;
throw new NodeApiError(this.getNode(), error, { message, description, httpCode });
}
throw new NodeApiError(this.getNode(), error, { message: error.message });
}
}
export async function googleApiRequestAllItems(
this: IExecuteFunctions | ILoadOptionsFunctions,
propertyName: string,
method: string,
endpoint: string,
body: IDataObject = {},
query: IDataObject = {},
uri?: string,
) {
const returnData: IDataObject[] = [];
let responseData;
do {
responseData = await googleApiRequest.call(this, method, endpoint, body, query, uri);
if (body.reportRequests && Array.isArray(body.reportRequests)) {
(body.reportRequests as IDataObject[])[0].pageToken =
responseData[propertyName][0].nextPageToken;
} else {
body.pageToken = responseData.nextPageToken;
}
returnData.push.apply(returnData, responseData[propertyName]);
} while (
(responseData.nextPageToken !== undefined && responseData.nextPageToken !== '') ||
responseData[propertyName]?.[0].nextPageToken !== undefined
);
return returnData;
}
export function simplify(responseData: any | [any]) {
const response = [];
for (const {
columnHeader: { dimensions, metricHeader },
data: { rows },
} of responseData) {
if (rows === undefined) {
// Do not error if there is no data
continue;
}
const metrics = metricHeader.metricHeaderEntries.map((entry: { name: string }) => entry.name);
for (const row of rows) {
const data: IDataObject = {};
if (dimensions) {
for (let i = 0; i < dimensions.length; i++) {
data[dimensions[i]] = row.dimensions[i];
for (const [index, metric] of metrics.entries()) {
data[metric] = row.metrics[0].values[index];
}
}
} else {
for (const [index, metric] of metrics.entries()) {
data[metric] = row.metrics[0].values[index];
}
}
response.push(data);
}
}
return response;
}
export function merge(responseData: [any]) {
const response: { columnHeader: IDataObject; data: { rows: [] } } = {
columnHeader: responseData[0].columnHeader,
data: responseData[0].data,
};
const allRows = [];
for (const {
data: { rows },
} of responseData) {
allRows.push(...rows);
}
response.data.rows = allRows as [];
return [response];
}