import type { IExecuteFunctions } from 'n8n-core'; import type { IDataObject, ILoadOptionsFunctions } from 'n8n-workflow'; import { NodeApiError, NodeOperationError } from 'n8n-workflow'; import type { OptionsWithUri } from 'request'; import type { GrafanaCredentials } from './types'; export function tolerateTrailingSlash(baseUrl: string) { return baseUrl.endsWith('/') ? baseUrl.substr(0, baseUrl.length - 1) : baseUrl; } export async function grafanaApiRequest( this: IExecuteFunctions | ILoadOptionsFunctions, method: string, endpoint: string, body: IDataObject = {}, qs: IDataObject = {}, ) { const { baseUrl: rawBaseUrl } = (await this.getCredentials('grafanaApi')) as GrafanaCredentials; const baseUrl = tolerateTrailingSlash(rawBaseUrl); const options: OptionsWithUri = { headers: { 'Content-Type': 'application/json', }, method, body, qs, uri: `${baseUrl}/api${endpoint}`, json: true, }; if (!Object.keys(body).length) { delete options.body; } if (!Object.keys(qs).length) { delete options.qs; } try { return await this.helpers.requestWithAuthentication.call(this, 'grafanaApi', options); } catch (error) { if (error?.response?.data?.message === 'Team member not found') { error.response.data.message += '. Are you sure the user is a member of this team?'; } if (error?.response?.data?.message === 'Team not found') { error.response.data.message += ' with the provided ID'; } if ( error?.response?.data?.message === 'A dashboard with the same name in the folder already exists' ) { error.response.data.message = 'A dashboard with the same name already exists in the selected folder'; } if (error?.response?.data?.message === 'Team name taken') { error.response.data.message = 'This team name is already taken. Please choose a new one.'; } if (error?.code === 'ECONNREFUSED') { error.message = 'Invalid credentials or error in establishing connection with given credentials'; } throw new NodeApiError(this.getNode(), error); } } export function throwOnEmptyUpdate( this: IExecuteFunctions, resource: string, updateFields: IDataObject, ) { if (!Object.keys(updateFields).length) { throw new NodeOperationError( this.getNode(), `Please enter at least one field to update for the ${resource}.`, ); } } export function deriveUid(this: IExecuteFunctions, uidOrUrl: string) { if (!uidOrUrl.startsWith('http')) return uidOrUrl; const urlSegments = uidOrUrl.split('/'); const uid = urlSegments[urlSegments.indexOf('d') + 1]; if (!uid) { throw new NodeOperationError(this.getNode(), 'Failed to derive UID from URL'); } return uid; }