444 use websocket to trigger reloads (#458)

* [#444] added refresh on sync token calendar update

* [#444] added refresh on register and tests

* [#444] extracted logic for useEffects and updates

* [#444] refactored code structure to use absolute paths

src/utils/CalendarRangeManager.ts

@@ -0,0 +1,44 @@
+import { getCalendarRange } from "./dateUtils";
+
+class CalendarRangeManager {
+  private static instance: CalendarRangeManager;
+  private displayedDate: Date = new Date();
+  private displayedCalendarRange: { start: Date; end: Date } = getCalendarRange(
+    new Date()
+  );
+
+  private constructor() {}
+
+  public static getInstance(): CalendarRangeManager {
+    if (!CalendarRangeManager.instance) {
+      CalendarRangeManager.instance = new CalendarRangeManager();
+    }
+    return CalendarRangeManager.instance;
+  }
+
+  public getDate(): Date {
+    return new Date(this.displayedDate);
+  }
+
+  public setDate(date: Date) {
+    this.displayedDate = new Date(date);
+    this.displayedCalendarRange = getCalendarRange(new Date(date));
+  }
+
+  public getRange(): { start: Date; end: Date } {
+    return {
+      start: this.displayedCalendarRange.start,
+      end: this.displayedCalendarRange.end,
+    };
+  }
+}
+
+export const calendarRangeManager = CalendarRangeManager.getInstance();
+
+export const getDisplayedDate = (): Date => calendarRangeManager.getDate();
+
+export const setDisplayedDateAndRange = (date: Date) =>
+  calendarRangeManager.setDate(date);
+
+export const getDisplayedCalendarRange = (): { start: Date; end: Date } =>
+  calendarRangeManager.getRange();

src/utils/findCalendarById.ts

@@ -0,0 +1,17 @@
+import { RootState } from "../app/store";
+import { Calendar } from "../features/Calendars/CalendarTypes";
+
+export function findCalendarById(
+  state: Partial<RootState>,
+  calendarId: string
+): { calendar: Calendar; type?: "temp" } | undefined {
+  if (calendarId.length === 0) {
+    return;
+  }
+  if (state.calendars?.list?.[calendarId]) {
+    return { calendar: state.calendars.list[calendarId] };
+  }
+  if (state.calendars?.templist?.[calendarId]) {
+    return { calendar: state.calendars.templist[calendarId], type: "temp" };
+  }
+}

src/utils/index.ts

@@ -0,0 +1,8 @@
+export {
+  getDisplayedDate,
+  setDisplayedDateAndRange,
+  getDisplayedCalendarRange,
+  calendarRangeManager,
+} from "./CalendarRangeManager";
+
+export { findCalendarById } from "./findCalendarById";