n8n/packages/nodes-base/nodes/Twitter/Twitter.node.ts

import {
	IExecuteFunctions,
	ILoadOptionsFunctions,
} from 'n8n-core';

import {
	IDataObject,
	INodeExecutionData,
	INodePropertyOptions,
	INodeType,
	INodeTypeDescription,
} from 'n8n-workflow';

import {
	directMessageFields,
	directMessageOperations,
} from './DirectMessageDescription';

import {
	tweetFields,
	tweetOperations,
} from './TweetDescription';

import {
	twitterApiRequest,
	twitterApiRequestAllItems,
	uploadAttachments,
} from './GenericFunctions';

import {
	ITweet,
} from './TweetInterface';

const ISO6391 = require('iso-639-1');

export class Twitter implements INodeType {
	description: INodeTypeDescription = {
		displayName: 'Twitter ',
		name: 'twitter',
		icon: 'file:twitter.svg',
		group: ['input', 'output'],
		version: 1,
		description: 'Consume Twitter API',
		subtitle: '={{$parameter["operation"] + ":" + $parameter["resource"]}}',
		defaults: {
			name: 'Twitter',
			color: '#1DA1F2',
		},
		inputs: ['main'],
		outputs: ['main'],
		credentials: [
			{
				name: 'twitterOAuth1Api',
				required: true,
			},
		],
		properties: [
			{
				displayName: 'Resource',
				name: 'resource',
				type: 'options',
				options: [
					{
						name: 'Direct Message',
						value: 'directMessage',
					},
					{
						name: 'Tweet',
						value: 'tweet',
					},
				],
				default: 'tweet',
				description: 'The resource to operate on.',
			},
			// DIRECT MESSAGE
			...directMessageOperations,
			...directMessageFields,
			// TWEET
			...tweetOperations,
			...tweetFields,
		],
	};

	methods = {
		loadOptions: {
			// Get all the available languages to display them to user so that he can
			// select them easily
			async getLanguages(this: ILoadOptionsFunctions): Promise<INodePropertyOptions[]> {
				const returnData: INodePropertyOptions[] = [];
				const languages = ISO6391.getAllNames();
				for (const language of languages) {
					const languageName = language;
					const languageId = ISO6391.getCode(language);
					returnData.push({
						name: languageName,
						value: languageId,
					});
				}
				return returnData;
			},
		},
	};

	async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
		const items = this.getInputData();
		const returnData: IDataObject[] = [];
		const length = items.length as unknown as number;
		let responseData;
		const resource = this.getNodeParameter('resource', 0) as string;
		const operation = this.getNodeParameter('operation', 0) as string;
		for (let i = 0; i < length; i++) {
			if (resource === 'directMessage') {
				//https://developer.twitter.com/en/docs/twitter-api/v1/direct-messages/sending-and-receiving/api-reference/new-event
				if (operation === 'create') {
					const userId = this.getNodeParameter('userId', i) as string;
					const text = this.getNodeParameter('text', i) as string;
					const additionalFields = this.getNodeParameter('additionalFields', i) as IDataObject;
					const body: IDataObject = {
						type: 'message_create',
						message_create: {
							target: {
								recipient_id: userId,
							},
							message_data: {
								text,
								attachment: {},
							},
						},
					};

					if (additionalFields.attachment) {
						const attachment = additionalFields.attachment as string;

						const attachmentProperties: string[] = attachment.split(',').map((propertyName) => {
							return propertyName.trim();
						});

						const medias = await uploadAttachments.call(this, attachmentProperties, items, i);
						//@ts-ignore
						body.message_create.message_data.attachment = { type: 'media', media: { id: medias[0].media_id_string } };
					} else {
						//@ts-ignore
						delete body.message_create.message_data.attachment;
					}

					responseData = await twitterApiRequest.call(this, 'POST', '/direct_messages/events/new.json', { event: body });

					responseData = responseData.event;
				}
			}
			if (resource === 'tweet') {
				// https://developer.twitter.com/en/docs/tweets/post-and-engage/api-reference/post-statuses-update
				if (operation === 'create') {
					const text = this.getNodeParameter('text', i) as string;
					const additionalFields = this.getNodeParameter('additionalFields', i) as IDataObject;
					const body: ITweet = {
						status: text,
					};

					if (additionalFields.inReplyToStatusId) {
						body.in_reply_to_status_id = additionalFields.inReplyToStatusId as string;
						body.auto_populate_reply_metadata = true;
					}

					if (additionalFields.attachments) {

						const attachments = additionalFields.attachments as string;

						const attachmentProperties: string[] = attachments.split(',').map((propertyName) => {
							return propertyName.trim();
						});

						const medias = await uploadAttachments.call(this, attachmentProperties, items, i);

						body.media_ids = (medias as IDataObject[]).map((media: IDataObject) => media.media_id_string).join(',');
					}

					if (additionalFields.possiblySensitive) {
						body.possibly_sensitive = additionalFields.possiblySensitive as boolean;
					}

					if (additionalFields.displayCoordinates) {
						body.display_coordinates = additionalFields.displayCoordinates as boolean;
					}

					if (additionalFields.locationFieldsUi) {
						const locationUi = additionalFields.locationFieldsUi as IDataObject;
						if (locationUi.locationFieldsValues) {
							const values = locationUi.locationFieldsValues as IDataObject;
							body.lat = parseFloat(values.latitude as string);
							body.long = parseFloat(values.longitude as string);
						}
					}

					responseData = await twitterApiRequest.call(this, 'POST', '/statuses/update.json', {}, body as unknown as IDataObject);
				}
				// https://developer.twitter.com/en/docs/twitter-api/v1/tweets/post-and-engage/api-reference/post-statuses-destroy-id
				if (operation === 'delete') {
					const tweetId = this.getNodeParameter('tweetId', i) as string;

					responseData = await twitterApiRequest.call(this, 'POST', `/statuses/destroy/${tweetId}.json`, {}, {});
				}
				// https://developer.twitter.com/en/docs/tweets/search/api-reference/get-search-tweets
				if (operation === 'search') {
					const q = this.getNodeParameter('searchText', i) as string;
					const returnAll = this.getNodeParameter('returnAll', i) as boolean;
					const additionalFields = this.getNodeParameter('additionalFields', i) as IDataObject;
					const qs: IDataObject = {
						q,
					};

					if (additionalFields.includeEntities) {
						qs.include_entities = additionalFields.includeEntities as boolean;
					}

					if (additionalFields.resultType) {
						qs.response_type = additionalFields.resultType as string;
					}

					if (additionalFields.until) {
						qs.until = additionalFields.until as string;
					}

					if (additionalFields.lang) {
						qs.lang = additionalFields.lang as string;
					}

					if (additionalFields.locationFieldsUi) {
						const locationUi = additionalFields.locationFieldsUi as IDataObject;
						if (locationUi.locationFieldsValues) {
							const values = locationUi.locationFieldsValues as IDataObject;
							qs.geocode = `${values.latitude as string},${values.longitude as string},${values.distance}${values.radius}`;
						}
					}

					if (returnAll) {
						responseData = await twitterApiRequestAllItems.call(this, 'statuses', 'GET', '/search/tweets.json', {}, qs);
					} else {
						qs.count = this.getNodeParameter('limit', 0) as number;
						responseData = await twitterApiRequest.call(this, 'GET', '/search/tweets.json', {}, qs);
						responseData = responseData.statuses;
					}
				}
				//https://developer.twitter.com/en/docs/twitter-api/v1/tweets/post-and-engage/api-reference/post-favorites-create
				if (operation === 'like') {
					const tweetId = this.getNodeParameter('tweetId', i) as string;
					const additionalFields = this.getNodeParameter('additionalFields', i) as IDataObject;

					const qs: IDataObject = {
						id: tweetId,
					};

					if (additionalFields.includeEntities) {
						qs.include_entities = additionalFields.includeEntities as boolean;
					}

					responseData = await twitterApiRequest.call(this, 'POST', '/favorites/create.json', {}, qs);
				}
				//https://developer.twitter.com/en/docs/twitter-api/v1/tweets/post-and-engage/api-reference/post-statuses-retweet-id
				if (operation === 'retweet') {
					const tweetId = this.getNodeParameter('tweetId', i) as string;
					const additionalFields = this.getNodeParameter('additionalFields', i) as IDataObject;

					const qs: IDataObject = {
						id: tweetId,
					};

					if (additionalFields.trimUser) {
						qs.trim_user = additionalFields.trimUser as boolean;
					}

					responseData = await twitterApiRequest.call(this, 'POST', `/statuses/retweet/${tweetId}.json`, {}, qs);
				}
			}
			if (Array.isArray(responseData)) {
				returnData.push.apply(returnData, responseData as IDataObject[]);
			} else if (responseData !== undefined) {
				returnData.push(responseData as IDataObject);
			}
		}
		return [this.helpers.returnJsonArray(returnData)];
	}
}