import { IHookFunctions, IWebhookFunctions } from 'n8n-core'; import { ILoadOptionsFunctions, INodePropertyOptions, INodeType, INodeTypeDescription, IWebhookResponseData, } from 'n8n-workflow'; import { capitalizeFirstLetter, linearApiRequest } from './GenericFunctions'; export class LinearTrigger implements INodeType { description: INodeTypeDescription = { displayName: 'Linear Trigger', name: 'linearTrigger', icon: 'file:linear.svg', group: ['trigger'], version: 1, subtitle: '={{$parameter["triggerOn"]}}', description: 'Starts the workflow when Linear events occur', defaults: { name: 'Linear Trigger', }, inputs: [], outputs: ['main'], credentials: [ { name: 'linearApi', required: true, testedBy: 'linearApiTest', }, ], webhooks: [ { name: 'default', httpMethod: 'POST', responseMode: 'onReceived', path: 'webhook', }, ], properties: [ { displayName: 'Team Name or ID', name: 'teamId', type: 'options', description: 'Choose from the list, or specify an ID using an expression', typeOptions: { loadOptionsMethod: 'getTeams', }, default: '', }, { displayName: 'Listen to Resources', name: 'resources', type: 'multiOptions', options: [ { name: 'Comment Reaction', value: 'reaction', }, { name: 'Cycle', value: 'cycle', }, /* It's still on Alpha stage { name: 'Issue Attachment', value: 'attachment', },*/ { name: 'Issue', value: 'issue', }, { name: 'Issue Comment', value: 'comment', }, { name: 'Issue Label', value: 'issueLabel', }, { name: 'Project', value: 'project', }, ], default: [], required: true, }, ], }; methods = { loadOptions: { async getTeams(this: ILoadOptionsFunctions): Promise { const returnData: INodePropertyOptions[] = []; const body = { query: `query Teams { teams { nodes { id name } } }`, }; const { data: { teams: { nodes }, }, } = await linearApiRequest.call(this, body); for (const node of nodes) { returnData.push({ name: node.name, value: node.id, }); } return returnData; }, }, }; //@ts-ignore (because of request) webhookMethods = { default: { async checkExists(this: IHookFunctions): Promise { const webhookUrl = this.getNodeWebhookUrl('default'); const webhookData = this.getWorkflowStaticData('node'); const teamId = this.getNodeParameter('teamId') as string; const body = { query: `query { webhooks { nodes { id url enabled team { id name } } } }`, }; // Check all the webhooks which exist already if it is identical to the // one that is supposed to get created. const { data: { webhooks: { nodes }, }, } = await linearApiRequest.call(this, body); for (const node of nodes) { if (node.url === webhookUrl && node.team.id === teamId && node.enabled === true) { webhookData.webhookId = node.id as string; return true; } } return false; }, async create(this: IHookFunctions): Promise { const webhookData = this.getWorkflowStaticData('node'); const webhookUrl = this.getNodeWebhookUrl('default'); const teamId = this.getNodeParameter('teamId') as string; const resources = this.getNodeParameter('resources') as string[]; const body = { query: ` mutation webhookCreate($url: String!, $teamId: String!, $resources: [String!]!) { webhookCreate( input: { url: $url teamId: $teamId resourceTypes: $resources } ) { success webhook { id enabled } } }`, variables: { url: webhookUrl, teamId, resources: resources.map(capitalizeFirstLetter), }, }; const { data: { webhookCreate: { success, webhook: { id }, }, }, } = await linearApiRequest.call(this, body); if (!success) { return false; } webhookData.webhookId = id as string; return true; }, async delete(this: IHookFunctions): Promise { const webhookData = this.getWorkflowStaticData('node'); if (webhookData.webhookId !== undefined) { const body = { query: ` mutation webhookDelete($id: String!){ webhookDelete( id: $id ) { success } }`, variables: { id: webhookData.webhookId, }, }; try { await linearApiRequest.call(this, body); } catch (error) { return false; } // Remove from the static workflow data so that it is clear // that no webhooks are registred anymore delete webhookData.webhookId; } return true; }, }, }; async webhook(this: IWebhookFunctions): Promise { const bodyData = this.getBodyData(); return { workflowData: [this.helpers.returnJsonArray(bodyData)], }; } }