Initial commit
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140
backend/src/services/schedulerService.ts
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140
backend/src/services/schedulerService.ts
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import cron from 'node-cron';
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import { scheduleService, PresetActionPayload } from './scheduleService';
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import { groupService } from './groupService';
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import { WledPlaylist } from '../wled/types';
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interface ScheduledTask {
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startTask: cron.ScheduledTask;
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endTask?: cron.ScheduledTask;
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scheduleId: string;
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}
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export class SchedulerService {
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private tasks: Map<string, ScheduledTask> = new Map();
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async initialize(): Promise<void> {
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console.log('Initializing scheduler...');
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const schedules = await scheduleService.getAllSchedules();
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const enabledSchedules = schedules.filter((s) => s.enabled);
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console.log(`Found ${enabledSchedules.length} enabled schedules`);
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for (const schedule of enabledSchedules) {
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this.registerSchedule(schedule.id);
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}
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}
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async registerSchedule(scheduleId: string): Promise<void> {
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// Remove existing task if any
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this.unregisterSchedule(scheduleId);
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const schedule = await scheduleService.getScheduleById(scheduleId);
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if (!schedule || !schedule.enabled) {
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return;
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}
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try {
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// Register start task
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const startTask = cron.schedule(
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schedule.cronExpression,
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async () => {
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console.log(`Executing schedule: ${schedule.name} (${schedule.id})`);
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await this.executeSchedule(scheduleId);
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},
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{
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timezone: schedule.timezone,
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scheduled: true,
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}
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);
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const scheduledTask: ScheduledTask = {
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startTask,
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scheduleId
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};
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// Register end task if endCronExpression exists
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if (schedule.endCronExpression) {
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const endTask = cron.schedule(
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schedule.endCronExpression,
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async () => {
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console.log(`Executing end schedule (turning off): ${schedule.name} (${schedule.id})`);
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await this.turnOffGroup(schedule.groupId);
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},
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{
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timezone: schedule.timezone,
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scheduled: true,
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}
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);
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scheduledTask.endTask = endTask;
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console.log(
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`Registered schedule: ${schedule.name} with start: ${schedule.cronExpression}, end: ${schedule.endCronExpression} (${schedule.timezone})`
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);
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} else {
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console.log(
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`Registered schedule: ${schedule.name} with cron: ${schedule.cronExpression} (${schedule.timezone})`
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);
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}
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this.tasks.set(scheduleId, scheduledTask);
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} catch (error) {
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console.error(`Failed to register schedule ${scheduleId}:`, error);
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}
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}
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unregisterSchedule(scheduleId: string): void {
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const existing = this.tasks.get(scheduleId);
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if (existing) {
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existing.startTask.stop();
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if (existing.endTask) {
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existing.endTask.stop();
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}
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this.tasks.delete(scheduleId);
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console.log(`Unregistered schedule: ${scheduleId}`);
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}
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}
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private async executeSchedule(scheduleId: string): Promise<void> {
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try {
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const schedule = await scheduleService.getScheduleById(scheduleId);
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if (!schedule) {
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console.error(`Schedule ${scheduleId} not found`);
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return;
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}
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const actionPayload = scheduleService.parseActionPayload(schedule);
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if (schedule.type === 'PRESET') {
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const payload = actionPayload as PresetActionPayload;
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console.log(`Applying preset ${payload.presetId} to group ${schedule.groupId}`);
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const result = await groupService.applyPresetToGroup(schedule.groupId, payload.presetId);
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console.log(`Preset applied. Success: ${result.results.success.length}, Failed: ${result.results.failed.length}`);
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} else if (schedule.type === 'PLAYLIST') {
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const payload = actionPayload as WledPlaylist;
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console.log(`Applying playlist to group ${schedule.groupId}`);
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const result = await groupService.applyPlaylistToGroup(schedule.groupId, payload);
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console.log(`Playlist applied. Success: ${result.results.success.length}, Failed: ${result.results.failed.length}`);
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}
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} catch (error) {
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console.error(`Error executing schedule ${scheduleId}:`, error);
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}
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}
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private async turnOffGroup(groupId: string): Promise<void> {
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try {
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console.log(`Turning off group ${groupId}`);
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const result = await groupService.turnOffGroup(groupId);
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console.log(`Group turned off. Success: ${result.results.success.length}, Failed: ${result.results.failed.length}`);
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} catch (error) {
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console.error(`Error turning off group ${groupId}:`, error);
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}
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}
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async shutdown(): Promise<void> {
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console.log('Shutting down scheduler...');
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for (const [scheduleId] of this.tasks) {
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this.unregisterSchedule(scheduleId);
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}
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}
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}
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export const schedulerService = new SchedulerService();
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