feat: tweak calendar and clean it up

src/seqta/utils/googleCalendar/syncRunner.ts

@@ -0,0 +1,83 @@
+import browser from "webextension-polyfill";
+import {
+  fetchTimetableForSync,
+  fetchTimetableLessons,
+  trailingWeekRange,
+} from "@/seqta/utils/googleCalendar/fetchTimetable";
+import {
+  getSyncWeeksAhead,
+  markWeeklySyncComplete,
+} from "@/seqta/utils/googleCalendar/syncSettings";
+import { syncLessonsToGoogleCalendar } from "@/seqta/utils/googleCalendar/syncEngine";
+import type {
+  GoogleCalendarSyncOptions,
+  GoogleCalendarSyncProgress,
+  GoogleCalendarSyncResult,
+} from "@/seqta/utils/googleCalendar/types";
+
+export type GoogleCalendarRunMode = "full" | "incremental";
+
+export interface RunGoogleCalendarSyncParams {
+  mode?: GoogleCalendarRunMode;
+  silent?: boolean;
+  onProgress?: (progress: GoogleCalendarSyncProgress) => void;
+}
+
+async function getAccessTokenFromBackground(): Promise<string> {
+  const res = (await browser.runtime.sendMessage({
+    type: "googleCalendarGetAccessToken",
+  })) as { success?: boolean; accessToken?: string; error?: string };
+  if (!res?.success || !res.accessToken) {
+    throw new Error(res?.error ?? "Could not get Google Calendar access token.");
+  }
+  return res.accessToken;
+}
+
+export async function runGoogleCalendarSync(
+  params: RunGoogleCalendarSyncParams = {},
+): Promise<GoogleCalendarSyncResult> {
+  const mode = params.mode ?? "full";
+  const weeksAhead = await getSyncWeeksAhead();
+
+  params.onProgress?.({
+    phase: "preparing",
+    current: 0,
+    total: 1,
+    message: mode === "incremental" ? "Fetching new week…" : "Fetching timetable…",
+  });
+
+  const lessons =
+    mode === "incremental"
+      ? await fetchTimetableLessons(trailingWeekRange(weeksAhead))
+      : await fetchTimetableForSync(weeksAhead);
+
+  const options: GoogleCalendarSyncOptions = { onProgress: params.onProgress };
+  const result = await syncLessonsToGoogleCalendar(
+    {
+      origin: location.origin,
+      lessons,
+      mode,
+      weeksAhead,
+    },
+    getAccessTokenFromBackground,
+    options,
+  );
+
+  if (result.success && mode === "incremental") {
+    await markWeeklySyncComplete();
+  }
+
+  return result;
+}
+
+export function formatSyncResultMessage(result: GoogleCalendarSyncResult): string {
+  const created = result.created ?? 0;
+  const updated = result.updated ?? 0;
+  const deleted = result.deleted ?? 0;
+  const parts: string[] = [];
+  if (created > 0) parts.push(`${created} new`);
+  if (updated > 0) parts.push(`${updated} updated`);
+  if (deleted > 0) parts.push(`${deleted} removed`);
+  if (parts.length === 0) return "Google Calendar is up to date.";
+  return `Google Calendar updated (${parts.join(", ")}).`;
+}