mirror of
https://github.com/n8n-io/n8n.git
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378 lines
11 KiB
TypeScript
378 lines
11 KiB
TypeScript
import {
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IExecuteFunctions,
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} from 'n8n-core';
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import {
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IDataObject,
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INodeExecutionData,
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INodeType,
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INodeTypeDescription,
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} from 'n8n-workflow';
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import {
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configOperations,
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} from './ConfigDescription';
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import {
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serviceFields,
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serviceOperations,
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} from './ServiceDescription';
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import {
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stateFields,
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stateOperations,
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} from './StateDescription';
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import {
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eventFields,
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eventOperations,
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} from './EventDescription';
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import {
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logFields,
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logOperations,
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} from './LogDescription';
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import {
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templateFields,
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templateOperations,
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} from './TemplateDescription';
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import {
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historyFields,
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historyOperations,
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} from './HistoryDescription';
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import {
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cameraProxyFields,
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cameraProxyOperations,
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} from './CameraProxyDescription';
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import {
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homeAssistantApiRequest,
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} from './GenericFunctions';
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export class HomeAssistant implements INodeType {
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description: INodeTypeDescription = {
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displayName: 'Home Assistant',
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name: 'homeAssistant',
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icon: 'file:homeAssistant.svg',
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group: ['output'],
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version: 1,
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subtitle: '={{$parameter["operation"] + ": " + $parameter["resource"]}}',
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description: 'Consume Home Assistant API',
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defaults: {
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name: 'Home Assistant',
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color: '#3578e5',
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},
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inputs: ['main'],
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outputs: ['main'],
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credentials: [
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{
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name: 'homeAssistantApi',
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required: true,
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},
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],
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properties: [
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{
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displayName: 'Resource',
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name: 'resource',
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type: 'options',
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options: [
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{
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name: 'Camera Proxy',
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value: 'cameraProxy',
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},
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{
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name: 'Config',
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value: 'config',
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},
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{
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name: 'Event',
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value: 'event',
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},
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// {
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// name: 'History',
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// value: 'history',
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// },
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{
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name: 'Log',
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value: 'log',
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},
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{
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name: 'Service',
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value: 'service',
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},
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{
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name: 'State',
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value: 'state',
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},
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{
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name: 'Template',
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value: 'template',
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},
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],
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default: 'config',
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description: 'Resource to consume.',
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},
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...cameraProxyOperations,
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...cameraProxyFields,
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...configOperations,
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...eventOperations,
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...eventFields,
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...historyOperations,
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...historyFields,
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...logOperations,
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...logFields,
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...serviceOperations,
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...serviceFields,
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...stateOperations,
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...stateFields,
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...templateOperations,
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...templateFields,
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],
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};
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async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
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const items = this.getInputData();
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const returnData: IDataObject[] = [];
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const length = items.length;
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const resource = this.getNodeParameter('resource', 0) as string;
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const operation = this.getNodeParameter('operation', 0) as string;
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const qs: IDataObject = {};
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let responseData;
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for (let i = 0; i < length; i++) {
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try {
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if (resource === 'config') {
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if (operation === 'get') {
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responseData = await homeAssistantApiRequest.call(this, 'GET', '/config');
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} else if (operation === 'check') {
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responseData = await homeAssistantApiRequest.call(this, 'POST', '/config/core/check_config');
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}
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} else if (resource === 'service') {
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if (operation === 'getAll') {
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const returnAll = this.getNodeParameter('returnAll', i) as boolean;
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responseData = await homeAssistantApiRequest.call(this, 'GET', '/services') as IDataObject[];
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if (!returnAll) {
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const limit = this.getNodeParameter('limit', i) as number;
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responseData = responseData.slice(0, limit);
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}
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} else if (operation === 'call') {
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const domain = this.getNodeParameter('domain', i) as string;
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const service = this.getNodeParameter('service', i) as string;
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const serviceAttributes = this.getNodeParameter('serviceAttributes', i) as {
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attributes: IDataObject[],
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};
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const body: IDataObject = {};
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if (Object.entries(serviceAttributes).length) {
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if (serviceAttributes.attributes !== undefined) {
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serviceAttributes.attributes.map(
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attribute => {
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// @ts-ignore
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body[attribute.name as string] = attribute.value;
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},
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);
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}
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}
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responseData = await homeAssistantApiRequest.call(this, 'POST', `/services/${domain}/${service}`, body);
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if (Array.isArray(responseData) && responseData.length === 0) {
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responseData = {};
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}
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}
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} else if (resource === 'state') {
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if (operation === 'getAll') {
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const returnAll = this.getNodeParameter('returnAll', i) as boolean;
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responseData = await homeAssistantApiRequest.call(this, 'GET', '/states') as IDataObject[];
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if (!returnAll) {
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const limit = this.getNodeParameter('limit', i) as number;
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responseData = responseData.slice(0, limit);
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}
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} else if (operation === 'get') {
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const entityId = this.getNodeParameter('entityId', i) as string;
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responseData = await homeAssistantApiRequest.call(this, 'GET', `/states/${entityId}`);
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} else if (operation === 'upsert') {
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const entityId = this.getNodeParameter('entityId', i) as string;
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const state = this.getNodeParameter('state', i) as string;
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const stateAttributes = this.getNodeParameter('stateAttributes', i) as {
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attributes: IDataObject[],
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};
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const body = {
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state,
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attributes: {},
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};
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if (Object.entries(stateAttributes).length) {
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if (stateAttributes.attributes !== undefined) {
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stateAttributes.attributes.map(
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attribute => {
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// @ts-ignore
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body.attributes[attribute.name as string] = attribute.value;
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},
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);
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}
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}
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responseData = await homeAssistantApiRequest.call(this, 'POST', `/states/${entityId}`, body);
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}
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} else if (resource === 'event') {
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if (operation === 'getAll') {
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const returnAll = this.getNodeParameter('returnAll', i) as boolean;
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responseData = await homeAssistantApiRequest.call(this, 'GET', '/events') as IDataObject[];
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if (!returnAll) {
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const limit = this.getNodeParameter('limit', i) as number;
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responseData = responseData.slice(0, limit);
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}
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} else if (operation === 'create') {
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const eventType = this.getNodeParameter('eventType', i) as string;
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const eventAttributes = this.getNodeParameter('eventAttributes', i) as {
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attributes: IDataObject[],
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};
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const body = {};
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if (Object.entries(eventAttributes).length) {
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if (eventAttributes.attributes !== undefined) {
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eventAttributes.attributes.map(
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attribute => {
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// @ts-ignore
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body[attribute.name as string] = attribute.value;
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},
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);
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}
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}
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responseData = await homeAssistantApiRequest.call(this, 'POST', `/events/${eventType}`, body);
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}
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} else if (resource === 'log') {
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if (operation === 'getErroLogs') {
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responseData = await homeAssistantApiRequest.call(this, 'GET', '/error_log');
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if (responseData) {
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responseData = {
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errorLog: responseData,
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};
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}
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} else if (operation === 'getLogbookEntries') {
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const additionalFields = this.getNodeParameter('additionalFields', i) as IDataObject;
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let endpoint = '/logbook';
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if (Object.entries(additionalFields).length) {
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if (additionalFields.startTime) {
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endpoint = `/logbook/${additionalFields.startTime}`;
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}
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if (additionalFields.endTime) {
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qs.end_time = additionalFields.endTime;
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}
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if (additionalFields.entityId) {
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qs.entity = additionalFields.entityId;
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}
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}
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responseData = await homeAssistantApiRequest.call(this, 'GET', endpoint, {}, qs);
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}
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} else if (resource === 'template') {
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if (operation === 'create') {
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const body = {
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template: this.getNodeParameter('template', i) as string,
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};
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responseData = await homeAssistantApiRequest.call(this, 'POST', '/template', body);
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if (responseData) {
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responseData = { renderedTemplate: responseData };
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}
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}
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} else if (resource === 'history') {
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if (operation === 'getAll') {
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const returnAll = this.getNodeParameter('returnAll', i) as boolean;
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const additionalFields = this.getNodeParameter('additionalFields', i) as IDataObject;
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let endpoint = '/history/period';
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if (Object.entries(additionalFields).length) {
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if (additionalFields.startTime) {
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endpoint = `/history/period/${additionalFields.startTime}`;
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}
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if (additionalFields.endTime) {
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qs.end_time = additionalFields.endTime;
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}
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if (additionalFields.entityIds) {
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qs.filter_entity_id = additionalFields.entityIds;
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}
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if (additionalFields.minimalResponse === true) {
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qs.minimal_response = additionalFields.minimalResponse;
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}
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if (additionalFields.significantChangesOnly === true) {
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qs.significant_changes_only = additionalFields.significantChangesOnly;
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}
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}
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responseData = await homeAssistantApiRequest.call(this, 'GET', endpoint, {}, qs) as IDataObject[];
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if (!returnAll) {
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const limit = this.getNodeParameter('limit', i) as number;
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responseData = responseData.slice(0, limit);
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}
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}
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} else if (resource === 'cameraProxy') {
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if (operation === 'getScreenshot') {
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const cameraEntityId = this.getNodeParameter('cameraEntityId', i) as string;
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const dataPropertyNameDownload = this.getNodeParameter('binaryPropertyName', i) as string;
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const endpoint = `/camera_proxy/${cameraEntityId}`;
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let mimeType: string | undefined;
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responseData = await homeAssistantApiRequest.call(this, 'GET', endpoint, {}, {}, undefined, {
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encoding: null,
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resolveWithFullResponse: true,
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});
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const newItem: INodeExecutionData = {
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json: items[i].json,
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binary: {},
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};
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if (mimeType === undefined && responseData.headers['content-type']) {
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mimeType = responseData.headers['content-type'];
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}
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if (items[i].binary !== undefined) {
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// Create a shallow copy of the binary data so that the old
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// data references which do not get changed still stay behind
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// but the incoming data does not get changed.
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Object.assign(newItem.binary, items[i].binary);
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}
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items[i] = newItem;
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const data = Buffer.from(responseData.body as string);
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items[i].binary![dataPropertyNameDownload] = await this.helpers.prepareBinaryData(data, 'screenshot.jpg', mimeType);
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}
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}
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} catch (error) {
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if (this.continueOnFail()) {
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if (resource === 'cameraProxy' && operation === 'get') {
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items[i].json = { error: error.message };
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} else {
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returnData.push({ error: error.message });
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}
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continue;
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}
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throw error;
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}
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Array.isArray(responseData)
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? returnData.push(...responseData)
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: returnData.push(responseData);
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}
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if (resource === 'cameraProxy' && operation === 'getScreenshot') {
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return this.prepareOutputData(items);
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} else {
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return [this.helpers.returnJsonArray(returnData)];
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}
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}
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}
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