n8n/packages/nodes-base/nodes/OpenWeatherMap.node.ts
Jan Oberhauser 40c2acd77b 👕 Fix lint issue
2020-10-22 15:46:03 +02:00

282 lines
6.3 KiB
TypeScript

import {
IExecuteFunctions,
} from 'n8n-core';
import {
IDataObject,
INodeExecutionData,
INodeType,
INodeTypeDescription,
} from 'n8n-workflow';
import { OptionsWithUri } from 'request';
export class OpenWeatherMap implements INodeType {
description: INodeTypeDescription = {
displayName: 'OpenWeatherMap',
name: 'openWeatherMap',
icon: 'fa:sun',
group: ['input'],
version: 1,
description: 'Gets current and future weather information.',
defaults: {
name: 'OpenWeatherMap',
color: '#554455',
},
inputs: ['main'],
outputs: ['main'],
credentials: [
{
name: 'openWeatherMapApi',
required: true,
},
],
properties: [
{
displayName: 'Operation',
name: 'operation',
type: 'options',
options: [
{
name: 'Current Weather',
value: 'currentWeather',
description: 'Returns the current weather data',
},
{
name: '5 day Forecast',
value: '5DayForecast',
description: 'Returns the weather data for the next 5 days',
},
],
default: 'currentWeather',
description: 'The operation to perform.',
},
{
displayName: 'Format',
name: 'format',
type: 'options',
options: [
{
name: 'Imperial',
value: 'imperial',
description: 'Fahrenheit | miles/hour',
},
{
name: 'Metric',
value: 'metric',
description: 'Celsius | meter/sec',
},
{
name: 'Scientific',
value: 'standard',
description: 'Kelvin | meter/sec',
},
],
default: 'metric',
description: 'The format in which format the data should be returned.',
},
// ----------------------------------
// Location Information
// ----------------------------------
{
displayName: 'Location Selection',
name: 'locationSelection',
type: 'options',
options: [
{
name: 'City Name',
value: 'cityName',
},
{
name: 'City ID',
value: 'cityId',
},
{
name: 'Coordinates',
value: 'coordinates',
},
{
name: 'Zip Code',
value: 'zipCode',
},
],
default: 'cityName',
description: 'How to define the location for which to return the weather.',
},
{
displayName: 'City',
name: 'cityName',
type: 'string',
default: '',
placeholder: 'berlin,de',
required: true,
displayOptions: {
show: {
locationSelection: [
'cityName',
],
},
},
description: 'The name of the city to return the weather of.',
},
{
displayName: 'City ID',
name: 'cityId',
type: 'number',
default: 160001123,
required: true,
displayOptions: {
show: {
locationSelection: [
'cityId',
],
},
},
description: 'The id of city to return the weather of. List can be downloaded here: http://bulk.openweathermap.org/sample/',
},
{
displayName: 'Latitude',
name: 'latitude',
type: 'string',
default: '',
placeholder: '13.39',
required: true,
displayOptions: {
show: {
locationSelection: [
'coordinates',
],
},
},
description: 'The latitude of the location to return the weather of.',
},
{
displayName: 'Longitude',
name: 'longitude',
type: 'string',
default: '',
placeholder: '52.52',
required: true,
displayOptions: {
show: {
locationSelection: [
'coordinates',
],
},
},
description: 'The longitude of the location to return the weather of.',
},
{
displayName: 'Zip Code',
name: 'zipCode',
type: 'string',
default: '',
placeholder: '10115,de',
required: true,
displayOptions: {
show: {
locationSelection: [
'zipCode',
],
},
},
description: 'The id of city to return the weather of. List can be downloaded here: http://bulk.openweathermap.org/sample/',
},
{
displayName: 'Language',
name: 'language',
type: 'string',
default: '',
placeholder: 'en',
required: false,
description: 'The two letter language code to get your output in (eg. en, de, ...).',
},
],
};
async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
const items = this.getInputData();
const returnData: IDataObject[] = [];
const credentials = this.getCredentials('openWeatherMapApi');
if (credentials === undefined) {
throw new Error('No credentials got returned!');
}
const operation = this.getNodeParameter('operation', 0) as string;
let endpoint = '';
let locationSelection;
let language;
let qs: IDataObject;
for (let i = 0; i < items.length; i++) {
// Set base data
qs = {
APPID: credentials.accessToken,
units: this.getNodeParameter('format', i) as string,
};
// Get the location
locationSelection = this.getNodeParameter('locationSelection', i) as string;
if (locationSelection === 'cityName') {
qs.q = this.getNodeParameter('cityName', i) as string;
} else if (locationSelection === 'cityId') {
qs.id = this.getNodeParameter('cityId', i) as number;
} else if (locationSelection === 'coordinates') {
qs.lat = this.getNodeParameter('latitude', i) as string;
qs.lon = this.getNodeParameter('longitude', i) as string;
} else if (locationSelection === 'zipCode') {
qs.zip = this.getNodeParameter('zipCode', i) as string;
} else {
throw new Error(`The locationSelection "${locationSelection}" is not known!`);
}
// Get the language
language = this.getNodeParameter('language', i) as string;
if (language) {
qs.lang = language;
}
if (operation === 'currentWeather') {
// ----------------------------------
// currentWeather
// ----------------------------------
endpoint = 'weather';
} else if (operation === '5DayForecast') {
// ----------------------------------
// 5DayForecast
// ----------------------------------
endpoint = 'forecast';
} else {
throw new Error(`The operation "${operation}" is not known!`);
}
const options: OptionsWithUri = {
method: 'GET',
qs,
uri: `https://api.openweathermap.org/data/2.5/${endpoint}`,
json: true,
};
const responseData = await this.helpers.request(options);
returnData.push(responseData as IDataObject);
}
return [this.helpers.returnJsonArray(returnData)];
}
}