import { IExecuteFunctions, IHookFunctions, ILoadOptionsFunctions, } from 'n8n-core'; import { OptionsWithUri, } from 'request'; import { IBinaryKeyData, IDataObject, INodeExecutionData, IPollFunctions, NodeApiError, NodeOperationError, } from 'n8n-workflow'; interface IAttachment { url: string; title: string; mimetype: string; size: number; } /** * Make an API request to NocoDB * * @param {IHookFunctions} this * @param {string} method * @param {string} url * @param {object} body * @returns {Promise} */ export async function apiRequest(this: IHookFunctions | IExecuteFunctions | ILoadOptionsFunctions | IPollFunctions, method: string, endpoint: string, body: object, query?: IDataObject, uri?: string, option: IDataObject = {}): Promise { // tslint:disable-line:no-any const credentials = await this.getCredentials('nocoDb'); query = query || {}; const options: OptionsWithUri = { headers: { 'xc-auth': credentials.apiToken, }, method, body, qs: query, uri: uri || `${credentials.host}${endpoint}`, json: true, }; if (Object.keys(option).length !== 0) { Object.assign(options, option); } if (Object.keys(body).length === 0) { delete options.body; } try { return await this.helpers.request!(options); } catch (error) { throw new NodeApiError(this.getNode(), error); } } /** * Make an API request to paginated NocoDB endpoint * and return all results * * @export * @param {(IHookFunctions | IExecuteFunctions)} this * @param {string} method * @param {string} endpoint * @param {IDataObject} body * @param {IDataObject} [query] * @returns {Promise} */ export async function apiRequestAllItems(this: IHookFunctions | IExecuteFunctions | IPollFunctions, method: string, endpoint: string, body: IDataObject, query?: IDataObject): Promise { // tslint:disable-line:no-any if (query === undefined) { query = {}; } query.limit = 100; query.offset = query?.offset ? query.offset as number : 0; const returnData: IDataObject[] = []; let responseData; do { responseData = await apiRequest.call(this, method, endpoint, body, query); returnData.push(...responseData); query.offset += query.limit; } while ( responseData.length !== 0 ); return returnData; } export async function downloadRecordAttachments(this: IExecuteFunctions | IPollFunctions, records: IDataObject[], fieldNames: string[]): Promise { const elements: INodeExecutionData[] = []; for (const record of records) { const element: INodeExecutionData = { json: {}, binary: {} }; element.json = record as unknown as IDataObject; for (const fieldName of fieldNames) { if (record[fieldName]) { for (const [index, attachment] of (JSON.parse(record[fieldName] as string) as IAttachment[]).entries()) { const file = await apiRequest.call(this, 'GET', '', {}, {}, attachment.url, { json: false, encoding: null }); element.binary![`${fieldName}_${index}`] = await this.helpers.prepareBinaryData(Buffer.from(file), attachment.title, attachment.mimetype); } } } if (Object.keys(element.binary as IBinaryKeyData).length === 0) { delete element.binary; } elements.push(element); } return elements; }