Done

packages/cli/src/databases/postgresdb/migrations/1589476000887-WebhookModel.ts

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+import {MigrationInterface, QueryRunner} from 'typeorm';
+
+import { IWorkflowDb, NodeTypes, WebhookHelpers } from '../../..';
+import { Workflow } from 'n8n-workflow/dist/src/Workflow';
+import {
+	IWebhookDb,
+ } from '../../../Interfaces';
+
+ import * as config from '../../../../config';
+
+export class WebhookModel1589476000887 implements MigrationInterface {
+	name = 'WebhookModel1589476000887';
+
+    async up(queryRunner: QueryRunner): Promise<void> {
+		let tablePrefix = config.get('database.tablePrefix');
+		const schema = config.get('database.postgresdb.schema');
+		if (schema) {
+			tablePrefix = schema + '.' + tablePrefix;
+		}
+
+        await queryRunner.query(`CREATE TABLE ${tablePrefix}webhook_entity ("id" SERIAL NOT NULL, "workflowId" integer NOT NULL, "webhookPath" character varying NOT NULL, "method" character varying NOT NULL, "node" character varying NOT NULL, CONSTRAINT "UQ_b21ace2e13596ccd87dc9bf4ea6" UNIQUE ("webhookPath", "method"), CONSTRAINT "PK_202217c8b912cf70b93b1e87256" PRIMARY KEY ("id"))`, undefined);
+
+		const workflows = await queryRunner.query(`SELECT * FROM ${tablePrefix}workflow_entity WHERE active=true`) as IWorkflowDb[];
+		const data: IWebhookDb[] = [];
+		const nodeTypes = NodeTypes();
+		for (const workflow of workflows) {
+			const workflowInstance = new Workflow({ id: workflow.id as string, name: workflow.name, nodes: workflow.nodes, connections: workflow.connections, active: workflow.active, nodeTypes, staticData: workflow.staticData, settings: workflow.settings });
+			// I'm writing something more simple than this. I tried to use the built in method
+			// getWorkflowWebhooks but it needs additionaldata and to get it I need the credentials
+			// and for some reason when I use
+			//	const credentials = await WorkflowCredentials(node);
+			// to get the credentials I got an error I think is cuz the database is yet not ready.
+			const webhooks = WebhookHelpers.getWorkflowWebhooksBasic(workflowInstance);
+			for (const webhook of webhooks) {
+				data.push({
+					workflowId: workflowInstance.id as string,
+					webhookPath: webhook.path,
+					method: webhook.httpMethod,
+					node: webhook.node,
+				 });
+			}
+		}
+
+		if (data.length !== 0) {
+			await queryRunner.manager.createQueryBuilder()
+			.insert()
+			.into(`${tablePrefix}webhook_entity`)
+			.values(data)
+			.execute();
+		}
+	}
+
+    async down(queryRunner: QueryRunner): Promise<void> {
+		let tablePrefix = config.get('database.tablePrefix');
+		const schema = config.get('database.postgresdb.schema');
+		if (schema) {
+			tablePrefix = schema + '.' + tablePrefix;
+		}
+        await queryRunner.query(`DROP TABLE ${tablePrefix}webhook_entity`, undefined);
+    }
+
+}