[#638] added passthrough data for fields we do not use yet (#640)

Extracted utils to own files for better readability

Co-authored-by: Camille Moussu <cmoussu@linagora.com>

src/features/Events/EventsTypes.ts

@@ -1,4 +1,5 @@
 import { Calendar } from "../Calendars/CalendarTypes";
+import { VObjectProperty } from "../Calendars/types/CalendarData";
 import { userAttendee } from "../User/models/attendee";
 import { userOrganiser } from "../User/userDataTypes";
 
@@ -27,6 +28,7 @@ export interface CalendarEvent {
   repetition?: RepetitionObject;
   alarm?: AlarmObject;
   exdates?: string[];
+  passthroughProps?: VObjectProperty[];
 }
 
 export interface RepetitionObject {

src/features/Events/utils/makeVevent.ts

@@ -121,5 +121,16 @@ export function makeVevent(
     });
   }
 
+  if (event.passthroughProps?.length) {
+    const existingKeys = new Set(
+      (vevent[1] as unknown[]).map((p) => (p as [string])[0].toLowerCase())
+    );
+    for (const prop of event.passthroughProps) {
+      if (!existingKeys.has(prop[0].toLowerCase())) {
+        vevent[1].push(prop);
+      }
+    }
+  }
+
   return vevent;
 }

src/features/Events/utils/parseCalendarEvent.ts

@@ -9,9 +9,30 @@ import {
 import { userAttendee } from "../../User/models/attendee";
 import { createAttendee } from "../../User/models/attendee.mapper";
 import { AlarmObject, CalendarEvent } from "../EventsTypes";
-import { inferTimezoneFromValue } from "./inferTimezoneFromValue";
 import { buildDelegatedEventURL } from "./buildDelegatedEventURL";
 import { formatDateToICal } from "./formatDateToICal";
+import { inferTimezoneFromValue } from "./inferTimezoneFromValue";
+
+const KNOWN_PROPS = new Set([
+  "uid",
+  "transp",
+  "dtstart",
+  "dtend",
+  "class",
+  "x-openpaas-videoconference",
+  "summary",
+  "description",
+  "location",
+  "organizer",
+  "attendee",
+  "dtstamp",
+  "sequence",
+  "recurrence-id",
+  "exdate",
+  "status",
+  "duration",
+  "rrule",
+]);
 
 export function parseCalendarEvent(
   data: VObjectProperty[],
@@ -211,6 +232,9 @@ export function parseCalendarEvent(
       event.end = endISO;
     }
   }
+  event.passthroughProps = data.filter(
+    ([key]) => !KNOWN_PROPS.has(key.toLowerCase())
+  );
 
   return event as CalendarEvent;
 }