import { OptionsWithUri, } from 'request'; import { IExecuteFunctions, IExecuteSingleFunctions, ILoadOptionsFunctions, } from 'n8n-core'; import { IDataObject, } from 'n8n-workflow'; export async function googleApiRequest(this: IExecuteFunctions | IExecuteSingleFunctions | ILoadOptionsFunctions, method: string, resource: string, body: any = {}, qs: IDataObject = {}, uri: string | null = null): Promise { // tslint:disable-line:no-any const options: OptionsWithUri = { headers: { 'Content-Type': 'application/json', }, method, body, qs, qsStringifyOptions: { arrayFormat: 'repeat', }, uri: uri || `https://firestore.googleapis.com/v1/projects${resource}`, json: true, }; try { if (Object.keys(body).length === 0) { delete options.body; } //@ts-ignore return await this.helpers.requestOAuth2.call(this, 'googleFirebaseCloudFirestoreOAuth2Api', options); } catch (error) { let errors; if (error.response && error.response.body) { if (Array.isArray(error.response.body)) { errors = error.response.body; errors = errors.map((e: { error: { message: string } }) => e.error.message).join('|'); } else { errors = error.response.body.error.message; } // Try to return the error prettier throw new Error( `Google Firebase error response [${error.statusCode}]: ${errors}`, ); } throw error; } } export async function googleApiRequestAllItems(this: IExecuteFunctions | ILoadOptionsFunctions, propertyName: string, method: string, endpoint: string, body: any = {}, query: IDataObject = {}, uri: string | null = null): Promise { // tslint:disable-line:no-any const returnData: IDataObject[] = []; let responseData; query.pageSize = 100; do { responseData = await googleApiRequest.call(this, method, endpoint, body, query, uri); query.pageToken = responseData['nextPageToken']; returnData.push.apply(returnData, responseData[propertyName]); } while ( responseData['nextPageToken'] !== undefined && responseData['nextPageToken'] !== '' ); return returnData; } // Both functions below were taken from Stack Overflow jsonToDocument was fixed as it was unable to handle null values correctly // https://stackoverflow.com/questions/62246410/how-to-convert-a-firestore-document-to-plain-json-and-vice-versa // Great thanks to https://stackoverflow.com/users/3915246/mahindar export function jsonToDocument(value: string | number | IDataObject | IDataObject[]): IDataObject { if (value === 'true' || value === 'false' || typeof value === 'boolean') { return { 'booleanValue': value }; } else if (value === null) { return { 'nullValue': null }; } else if (!isNaN(value as number)) { if (value.toString().indexOf('.') !== -1) { return { 'doubleValue': value }; } else { return { 'integerValue': value }; } } else if (Date.parse(value as string)) { const date = new Date(Date.parse(value as string)); return { 'timestampValue': date.toISOString() }; } else if (typeof value === 'string') { return { 'stringValue': value }; } else if (value && value.constructor === Array) { return { 'arrayValue': { values: value.map(v => jsonToDocument(v)) } }; } else if (typeof value === 'object') { const obj = {}; for (const o of Object.keys(value)) { //@ts-ignore obj[o] = jsonToDocument(value[o]); } return { 'mapValue': { fields: obj } }; } return {}; } export function fullDocumentToJson(data: IDataObject): IDataObject { if (data === undefined) { return data; } return { _name: data.name, _id: data.id, _createTime: data.createTime, _updateTime: data.updateTime, ...documentToJson(data.fields as IDataObject), }; } export function documentToJson(fields: IDataObject): IDataObject { const result = {}; for (const f of Object.keys(fields)) { const key = f, value = fields[f], isDocumentType = ['stringValue', 'booleanValue', 'doubleValue', 'integerValue', 'timestampValue', 'mapValue', 'arrayValue'].find(t => t === key); if (isDocumentType) { const item = ['stringValue', 'booleanValue', 'doubleValue', 'integerValue', 'timestampValue'] .find(t => t === key); if (item) { return value as IDataObject; } else if ('mapValue' === key) { //@ts-ignore return documentToJson(value!.fields || {}); } else if ('arrayValue' === key) { // @ts-ignore const list = value.values as IDataObject[]; // @ts-ignore return !!list ? list.map(l => documentToJson(l)) : []; } } else { // @ts-ignore result[key] = documentToJson(value); } } return result; }