n8n/packages/nodes-base/nodes/QuestDb/QuestDb.node.ts
Iván Ovejero 63b6c9f128
refactor: Apply more eslint-plugin-n8n-nodes-base autofixable rules (#3243)
* ✏️ Alphabetize rules

* 🔖 Update version

*  Update lintfix command

*  Run baseline lintfix

* 📦 Update package-lock.json

* 👕 Apply `node-param-description-untrimmed` (#3200)

* Removing unneeded backticks (#3249)

* 👕 Apply node-param-description-wrong-for-return-all (#3253)

* 👕 Apply node-param-description-missing-limit (#3252)

Co-authored-by: Iván Ovejero <ivov.src@gmail.com>

* 👕 Apply node-param-description-excess-final-period (#3250)

Co-authored-by: Iván Ovejero <ivov.src@gmail.com>

* 👕 Apply node-param-description-unencoded-angle-brackets (#3256)

Co-authored-by: Iván Ovejero <ivov.src@gmail.com>

* 👕 Apply node-param-description-url-missing-protocol (#3258)

* 👕 Apply `node-param-description-miscased-id` (#3254)

Co-authored-by: Iván Ovejero <ivov.src@gmail.com>

* 👕 Apply node-param-description-wrong-for-limit (#3257)

Co-authored-by: Iván Ovejero <ivov.src@gmail.com>

* 👕 Apply node-param-description-wrong-for-ignore-ssl-issues (#3261)

* 👕 Apply rule

*  Restore lintfix script

*  Restore lintfix script

Co-authored-by: agobrech <45268029+agobrech@users.noreply.github.com>
Co-authored-by: Omar Ajoue <krynble@gmail.com>
Co-authored-by: Michael Kret <88898367+michael-radency@users.noreply.github.com>
2022-05-06 23:01:25 +02:00

268 lines
6.6 KiB
TypeScript

import { IExecuteFunctions } from 'n8n-core';
import {
IDataObject,
INodeExecutionData,
INodeType,
INodeTypeDescription,
NodeOperationError,
} from 'n8n-workflow';
import pgPromise from 'pg-promise';
import {
pgInsert,
pgQuery,
} from '../Postgres/Postgres.node.functions';
export class QuestDb implements INodeType {
description: INodeTypeDescription = {
displayName: 'QuestDB',
name: 'questDb',
icon: 'file:questdb.png',
group: ['input'],
version: 1,
description: 'Get, add and update data in QuestDB',
defaults: {
name: 'QuestDB',
},
inputs: ['main'],
outputs: ['main'],
credentials: [
{
name: 'questDb',
required: true,
},
],
properties: [
{
displayName: 'Operation',
name: 'operation',
type: 'options',
options: [
{
name: 'Execute Query',
value: 'executeQuery',
description: 'Executes a SQL query',
},
{
name: 'Insert',
value: 'insert',
description: 'Insert rows in database',
},
],
default: 'insert',
description: 'The operation to perform.',
},
// ----------------------------------
// executeQuery
// ----------------------------------
{
displayName: 'Query',
name: 'query',
type: 'string',
typeOptions: {
alwaysOpenEditWindow: true,
},
displayOptions: {
show: {
operation: [
'executeQuery',
],
},
},
default: '',
placeholder: 'SELECT id, name FROM product WHERE quantity > $1 AND price <= $2',
required: true,
description: 'The SQL query to execute. You can use n8n expressions or $1 and $2 in conjunction with query parameters.',
},
// ----------------------------------
// insert
// ----------------------------------
{
displayName: 'Schema',
name: 'schema',
type: 'hidden', // Schema is used by pgInsert
displayOptions: {
show: {
operation: [
'insert',
],
},
},
default: '',
description: 'Name of the schema the table belongs to',
},
{
displayName: 'Table',
name: 'table',
type: 'string',
displayOptions: {
show: {
operation: [
'insert',
],
},
},
default: '',
required: true,
description: 'Name of the table in which to insert data to',
},
{
displayName: 'Columns',
name: 'columns',
type: 'string',
displayOptions: {
show: {
operation: ['insert'],
},
},
default: '',
placeholder: 'id,name,description',
description: 'Comma-separated list of the properties which should used as columns for the new rows',
},
{
displayName: 'Return Fields',
name: 'returnFields',
type: 'string',
displayOptions: {
show: {
operation: ['insert'],
},
},
default: '*',
description: 'Comma-separated list of the fields that the operation will return',
},
// ----------------------------------
// additional fields
// ----------------------------------
{
displayName: 'Additional Fields',
name: 'additionalFields',
type: 'collection',
placeholder: 'Add Field',
default: {},
displayOptions: {
show: {
operation: [
'executeQuery',
],
},
},
options: [
{
displayName: 'Mode',
name: 'mode',
type: 'options',
options: [
{
name: 'Independently',
value: 'independently',
description: 'Execute each query independently',
},
{
name: 'Transaction',
value: 'transaction',
description: 'Executes all queries in a single transaction',
},
],
default: 'independently',
description: 'The way queries should be sent to database. Can be used in conjunction with <b>Continue on Fail</b>. See <a href="https://docs.n8n.io/nodes/n8n-nodes-base.questDb/">the docs</a> for more examples.',
},
{
displayName: 'Query Parameters',
name: 'queryParams',
type: 'string',
displayOptions: {
show: {
'/operation': [
'executeQuery',
],
},
},
default: '',
placeholder: 'quantity,price',
description: 'Comma-separated list of properties which should be used as query parameters',
},
],
},
{
displayName: 'Additional Fields',
name: 'additionalFields',
type: 'hidden',
default: {},
displayOptions: {
show: {
operation: [
'insert',
],
},
},
},
],
};
async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
const credentials = await this.getCredentials('questDb');
const pgp = pgPromise();
const config = {
host: credentials.host as string,
port: credentials.port as number,
database: credentials.database as string,
user: credentials.user as string,
password: credentials.password as string,
ssl: !['disable', undefined].includes(credentials.ssl as string | undefined),
sslmode: (credentials.ssl as string) || 'disable',
};
const db = pgp(config);
let returnItems: INodeExecutionData[] = [];
const items = this.getInputData();
const operation = this.getNodeParameter('operation', 0) as string;
if (operation === 'executeQuery') {
// ----------------------------------
// executeQuery
// ----------------------------------
const additionalFields = this.getNodeParameter('additionalFields', 0) as IDataObject;
const mode = (additionalFields.mode || 'independently') as string;
const queryResult = await pgQuery(this.getNodeParameter, pgp, db, items, this.continueOnFail(), mode);
returnItems = this.helpers.returnJsonArray(queryResult);
} else if (operation === 'insert') {
// ----------------------------------
// insert
// ----------------------------------
// Transaction and multiple won't work properly with QuestDB.
// So we send queries independently.
await pgInsert(this.getNodeParameter, pgp, db, items, this.continueOnFail(), 'independently');
const returnFields = this.getNodeParameter('returnFields', 0) as string;
const table = this.getNodeParameter('table', 0) as string;
const insertData = await db.any('SELECT ${columns:name} from ${table:name}', {
columns: returnFields.split(',').map(value => value.trim()).filter(value => !!value),
table,
});
returnItems = this.helpers.returnJsonArray(insertData);
} else {
await pgp.end();
throw new NodeOperationError(this.getNode(), `The operation "${operation}" is not supported!`);
}
// Close the connection
await pgp.end();
return this.prepareOutputData(returnItems);
}
}