✨ Add Line-Node (#1137)

* ✨ Line-Node

* ⚡ Improvements

packages/nodes-base/nodes/Line/Line.node.ts

@@ -0,0 +1,144 @@
+import {
+	BINARY_ENCODING,
+	IExecuteFunctions,
+} from 'n8n-core';
+
+import {
+	IBinaryKeyData,
+	IDataObject,
+	INodeExecutionData,
+	INodeType,
+	INodeTypeDescription,
+} from 'n8n-workflow';
+
+import {
+	lineApiRequest,
+} from './GenericFunctions';
+
+import {
+	notificationFields,
+	notificationOperations,
+} from './NotificationDescription';
+
+export class Line implements INodeType {
+	description: INodeTypeDescription = {
+		displayName: 'Line',
+		name: 'line',
+		icon: 'file:line.png',
+		group: ['input'],
+		version: 1,
+		subtitle: '={{$parameter["operation"] + ": " + $parameter["resource"]}}',
+		description: 'Consume Line API.',
+		defaults: {
+			name: 'Line',
+			color: '#00b900',
+		},
+		inputs: ['main'],
+		outputs: ['main'],
+		credentials: [
+			{
+				name: 'lineNotifyOAuth2Api',
+				required: true,
+				displayOptions: {
+					show: {
+						resource: [
+							'notification',
+						],
+					},
+				},
+			},
+		],
+		properties: [
+			{
+				displayName: 'Resource',
+				name: 'resource',
+				type: 'options',
+				options: [
+					{
+						name: 'Notification',
+						value: 'notification',
+					},
+				],
+				default: 'notification',
+				description: 'The resource to operate on.',
+			},
+			...notificationOperations,
+			...notificationFields,
+		],
+	};
+
+	async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
+		const items = this.getInputData();
+		const returnData: IDataObject[] = [];
+		const length = (items.length as unknown) as number;
+		const qs: IDataObject = {};
+		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 === 'notification') {
+				//https://notify-bot.line.me/doc/en/
+				if (operation === 'send') {
+					const message = this.getNodeParameter('message', i) as string;
+
+					const additionalFields = this.getNodeParameter('additionalFields', i) as IDataObject;
+
+					const body: IDataObject = {
+						message,
+					};
+
+					Object.assign(body, additionalFields);
+
+					if (body.hasOwnProperty('notificationDisabled')) {
+						body.notificationDisabled = (body.notificationDisabled) ? 'true' : 'false';
+					}
+
+					if (body.stickerUi) {
+						const sticker = (body.stickerUi as IDataObject).stickerValue as IDataObject;
+						if (sticker) {
+							body.stickerId = sticker.stickerId;
+							body.stickerPackageId = sticker.stickerPackageId;
+						}
+						delete body.stickerUi;
+					}
+					
+					if (body.imageUi) {
+						const image = (body.imageUi as IDataObject).imageValue as IDataObject;
+
+						if (image && image.binaryData === true) {
+							if (items[i].binary === undefined) {
+								throw new Error('No binary data exists on item!');
+							}
+							//@ts-ignore
+							if (items[i].binary[image.binaryProperty] === undefined) {
+								throw new Error(`No binary data property "${image.binaryProperty}" does not exists on item!`);
+							}
+
+							const binaryData = (items[i].binary as IBinaryKeyData)[image.binaryProperty as string];
+
+							body.imageFile = {
+								value: Buffer.from(binaryData.data, BINARY_ENCODING),
+								options: {
+									filename: binaryData.fileName,
+								},
+							};
+						} else {
+							body.imageFullsize = image.imageFullsize;
+							body.imageThumbnail = image.imageThumbnail;
+						}	
+						delete body.imageUi;			
+					}
+					responseData = await lineApiRequest.call(this, 'POST', '', {}, {}, 'https://notify-api.line.me/api/notify', { formData: body });
+				}
+			}
+		}
+		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)];
+	}
+}