From abd1fdee62296d54e30ea879d460f9569019446e Mon Sep 17 00:00:00 2001
From: Bruno Bernardino <me@brunobernardino.com>
Date: Sat, 30 Mar 2024 07:05:28 +0000
Subject: [PATCH] Support editing and exporting transparency

---
 islands/calendar/ViewCalendarEvent.tsx | 15 ++++++++++++++-
 lib/utils/calendar.ts                  | 20 ++++++++++++++++----
 routes/calendar/[calendarEventId].tsx  |  4 +++-
 3 files changed, 33 insertions(+), 6 deletions(-)

diff --git a/islands/calendar/ViewCalendarEvent.tsx b/islands/calendar/ViewCalendarEvent.tsx
index d8fa331..f4f3162 100644
--- a/islands/calendar/ViewCalendarEvent.tsx
+++ b/islands/calendar/ViewCalendarEvent.tsx
@@ -92,7 +92,20 @@ export function formFields(calendarEvent: CalendarEvent, calendars: Calendar[])
       value: calendarEvent.extra.location,
       required: false,
     },
-    // TODO: More fields, transparency, attendees, recurrence
+    {
+      name: 'transparency',
+      label: 'Transparency',
+      type: 'select',
+      value: calendarEvent.extra.transparency,
+      options: (['default', 'opaque', 'transparent'] as CalendarEvent['extra']['transparency'][]).map((
+        transparency,
+      ) => ({
+        label: capitalizeWord(transparency),
+        value: transparency,
+      })),
+      required: true,
+    },
+    // TODO: More fields, attendees, recurrence
   ];
 
   return fields;
diff --git a/lib/utils/calendar.ts b/lib/utils/calendar.ts
index 6630988..88010dc 100644
--- a/lib/utils/calendar.ts
+++ b/lib/utils/calendar.ts
@@ -50,7 +50,7 @@ export const CALENDAR_BORDER_COLOR_OPTIONS = [
 // TODO: Build this
 export function formatCalendarEventsToVCalendar(
   calendarEvents: CalendarEvent[],
-  _calendars: Pick<Calendar, 'id' | 'color' | 'is_visible'>[],
+  calendars: Pick<Calendar, 'id' | 'color' | 'is_visible' | 'extra'>[],
 ): string {
   const vCalendarText = calendarEvents.map((calendarEvent) =>
     `BEGIN:VEVENT
@@ -59,6 +59,7 @@ DTSTART:${new Date(calendarEvent.start_date).toISOString().substring(0, 19).repl
 DTEND:${new Date(calendarEvent.end_date).toISOString().substring(0, 19).replaceAll('-', '').replaceAll(':', '')}
 ORGANIZER;CN=:MAILTO:${calendarEvent.extra.organizer_email}
 SUMMARY:${calendarEvent.title}
+TRANSP:${getCalendarEventTransparency(calendarEvent, calendars).toUpperCase()}
 ${calendarEvent.extra.uid ? `UID:${calendarEvent.extra.uid}` : ''}
 END:VEVENT`
   ).join('\n');
@@ -289,6 +290,19 @@ export function getDaysForWeek(
   return days;
 }
 
+function getCalendarEventTransparency(
+  calendarEvent: CalendarEvent,
+  calendars: Pick<Calendar, 'id' | 'extra'>[],
+) {
+  const matchingCalendar = calendars.find((calendar) => calendar.id === calendarEvent.calendar_id);
+
+  const transparency = calendarEvent.extra.transparency === 'default'
+    ? (matchingCalendar?.extra.default_transparency || 'opaque')
+    : calendarEvent.extra.transparency;
+
+  return transparency;
+}
+
 export function getCalendarEventColor(
   calendarEvent: CalendarEvent,
   calendars: Pick<Calendar, 'id' | 'color' | 'extra'>[],
@@ -297,9 +311,7 @@ export function getCalendarEventColor(
   const opaqueColor = matchingCalendar?.color || 'bg-gray-700';
   const transparentColor = opaqueColor.replace('bg-', 'border border-');
 
-  const transparency = calendarEvent.extra.transparency === 'default'
-    ? (matchingCalendar?.extra.default_transparency || 'opaque')
-    : calendarEvent.extra.transparency;
+  const transparency = getCalendarEventTransparency(calendarEvent, calendars);
 
   return transparency === 'opaque' ? opaqueColor : transparentColor;
 }
diff --git a/routes/calendar/[calendarEventId].tsx b/routes/calendar/[calendarEventId].tsx
index 6d48784..3705c3e 100644
--- a/routes/calendar/[calendarEventId].tsx
+++ b/routes/calendar/[calendarEventId].tsx
@@ -58,6 +58,8 @@ export const handler: Handlers<Data, FreshContextState> = {
     calendarEvent.extra.description = getFormDataField(formData, 'description') || undefined;
     calendarEvent.extra.url = getFormDataField(formData, 'url') || undefined;
     calendarEvent.extra.location = getFormDataField(formData, 'location') || undefined;
+    calendarEvent.extra.transparency =
+      getFormDataField(formData, 'transparency') as CalendarEvent['extra']['transparency'] || 'default';
 
     const newCalendarId = getFormDataField(formData, 'calendar_id');
     let oldCalendarId: string | undefined;
@@ -68,7 +70,7 @@ export const handler: Handlers<Data, FreshContextState> = {
 
     calendarEvent.calendar_id = newCalendarId;
 
-    // TODO: More fields, transparency, attendees, recurrence
+    // TODO: More fields, attendees, recurrence
 
     try {
       if (!calendarEvent.title) {