Automatically syncing timeblocks to external calendar

Author: Lorite

docs/releases/unreleased.md

@@ -31,3 +31,7 @@ When a change has user-facing documentation, include a canonical tasknotes.dev l
 ```
 
 -->
+
+## Added
+
+- Added a dedicated Google Calendar integration setting to enable or disable timeblock synchronization independently from task synchronization

src/bases/calendar-core.ts

@@ -1833,6 +1833,20 @@ export async function handleTimeblockDrop(
 			newEndTime
 		);
 
+		if (plugin.timeblockCalendarSyncService?.isEnabled()) {
+			const updatedTimeblock: TimeBlock = {
+				...timeblock,
+				startTime: newStartTime,
+				endTime: newEndTime,
+			};
+
+			plugin.timeblockCalendarSyncService
+				.updateTimeblockInCalendar(updatedTimeblock, newDate, originalDate)
+				.catch((error) => {
+					console.warn("Failed to sync moved timeblock to Google Calendar:", error);
+				});
+		}
+
 		new Notice("Timeblock moved successfully");
 	} catch (error: unknown) {
 		tasknotesLogger.error("Error moving timeblock:", {
@@ -1877,6 +1891,20 @@ export async function handleTimeblockResize(
 			newEndTime
 		);
 
+		if (plugin.timeblockCalendarSyncService?.isEnabled()) {
+			const updatedTimeblock: TimeBlock = {
+				...timeblock,
+				startTime: newStartTime,
+				endTime: newEndTime,
+			};
+
+			plugin.timeblockCalendarSyncService
+				.updateTimeblockInCalendar(updatedTimeblock, originalDate)
+				.catch((error) => {
+					console.warn("Failed to sync resized timeblock to Google Calendar:", error);
+				});
+		}
+
 		new Notice("Timeblock duration updated");
 	} catch (error: unknown) {
 		tasknotesLogger.error("Error resizing timeblock:", {

src/bootstrap/pluginBootstrap.ts

@@ -355,6 +355,11 @@ export function initializeServicesLazily(plugin: TaskNotesPlugin): void {
 					await plugin.taskCalendarSyncService.initializeExternalFileReconciliation();
 					plugin.taskCalendarSyncService.startRecoveryQueueProcessor();
 
+					// Initialize Timeblock Calendar Sync service for pushing timeblocks to Google Calendar
+					plugin.timeblockCalendarSyncService = new (
+						await import("../services/TimeblockCalendarSyncService")
+					).TimeblockCalendarSyncService(plugin, plugin.googleCalendarService);
+
 					plugin.registerEvent(
 						plugin.emitter.on("file-updated", (data: FileUpdatedEventData) => {
 							if (!plugin.taskCalendarSyncService || !data?.path) {

src/bootstrap/pluginRuntime.ts

@@ -75,6 +75,7 @@ export async function cleanupPluginRuntime(plugin: TaskNotesPlugin): Promise<voi
 	void plugin.oauthService?.destroy();
 	plugin.taskFileLifecycleReconciliationService?.destroy();
 	plugin.taskCalendarSyncService?.destroy();
+	plugin.timeblockCalendarSyncService?.destroy();
 	plugin.googleCalendarService?.destroy();
 	plugin.microsoftCalendarService?.destroy();
 	plugin.calendarProviderRegistry?.destroyAll();

src/main.ts

@@ -65,6 +65,7 @@ import { GoogleCalendarService } from "./services/GoogleCalendarService";
 import { MicrosoftCalendarService } from "./services/MicrosoftCalendarService";
 import { CalendarProviderRegistry } from "./services/CalendarProvider";
 import { TaskCalendarSyncService } from "./services/TaskCalendarSyncService";
+import { TimeblockCalendarSyncService } from "./services/TimeblockCalendarSyncService";
 import { addTaskToProject, assignTaskAsSubtask } from "./services/taskRelationshipActions";
 import {
 	initializeAfterLayoutReady,
@@ -211,6 +212,8 @@ export default class TaskNotesPlugin extends Plugin {
 
 	// Task-to-Google Calendar sync service
 	taskCalendarSyncService: TaskCalendarSyncService;
+	// Timeblock-to-Google Calendar sync service
+	timeblockCalendarSyncService: TimeblockCalendarSyncService;
 	taskFileLifecycleReconciliationService?: import("./services/TaskFileLifecycleReconciliationService").TaskFileLifecycleReconciliationService;
 
 	// mdbase-spec generation service

src/modals/TimeblockCreationModal.ts

@@ -357,6 +357,18 @@ export class TimeblockCreationModal extends Modal {
 			// Save to daily note
 			const dailyNote = await this.saveTimeblockToDailyNote(timeblock);
 
+			// Sync to Google Calendar if enabled (fire-and-forget to avoid blocking modal)
+			if (
+				this.plugin.timeblockCalendarSyncService?.isEnabled() &&
+				this.plugin.settings.googleCalendarExport.syncOnTaskCreate
+			) {
+				this.plugin.timeblockCalendarSyncService
+					.syncTimeblockToCalendar(timeblock, this.options.date)
+					.catch((error) => {
+						console.warn("Failed to sync timeblock to Google Calendar:", error);
+					});
+			}
+
 			// Refresh calendar views
 			this.plugin.emitter.trigger("data-changed");
 			void this.options.onCreated?.({

src/modals/TimeblockInfoModal.ts

@@ -51,7 +51,8 @@ export interface TimeBlock {
 	description?: string;
 	attachments?: string[];
 	color?: string;
-	id?: string;
+	id: string;
+	googleCalendarEventId?: string;
 }
 
 /**
@@ -469,6 +470,18 @@ export class TimeblockInfoModal extends Modal {
 			// Save to daily note
 			await this.updateTimeblockInDailyNote();
 
+			// Sync to Google Calendar if enabled (fire-and-forget to avoid blocking modal)
+			if (
+				this.plugin.timeblockCalendarSyncService?.isEnabled() &&
+				this.plugin.settings.googleCalendarExport.syncOnTaskUpdate
+			) {
+				this.plugin.timeblockCalendarSyncService
+					.updateTimeblockInCalendar(this.timeblock, this.timeblockDate)
+					.catch((error) => {
+						console.warn("Failed to sync timeblock update to Google Calendar:", error);
+					});
+			}
+
 			// Signal immediate update before triggering data change
 			this.onChange?.();
 
@@ -563,6 +576,15 @@ export class TimeblockInfoModal extends Modal {
 		if (!confirmed) return;
 
 		try {
+			// Delete from Google Calendar before deleting from daily note so we still have ID linkage
+			if (this.plugin.timeblockCalendarSyncService?.isEnabled()) {
+				this.plugin.timeblockCalendarSyncService
+					.deleteTimeblockFromCalendar(this.timeblock, this.timeblockDate)
+					.catch((error) => {
+						console.warn("Failed to delete timeblock from Google Calendar:", error);
+					});
+			}
+
 			await this.deleteTimeblockFromDailyNote();
 
 			// Signal immediate update before triggering data change