From 85dac3f08c75de6167fd4c4ad3fb416a1edb54c7 Mon Sep 17 00:00:00 2001
From: sebu06 <sebastian@prebtec.de>
Date: Thu, 26 Jan 2023 13:45:44 +0100
Subject: [PATCH] Added Support for Microsoft Busystatus

---
 khal/icalendar.py       |  1 +
 khal/khalendar/event.py | 29 +++++++++++++++++++++++++++++
 khal/ui/__init__.py     |  3 +++
 khal/ui/editor.py       | 11 +++++++++++
 4 files changed, 44 insertions(+)

diff --git a/khal/icalendar.py b/khal/icalendar.py
index b9d6334aa..8fe84e160 100644
--- a/khal/icalendar.py
+++ b/khal/icalendar.py
@@ -111,6 +111,7 @@ def new_vevent(locale,
 
     event = icalendar.Event()
     event.add('dtstart', dtstart)
+    event.add('X-MICROSOFT-CDO-BUSYSTATUS', "BUSY")
     event.add('dtend', dtend)
     event.add('dtstamp', dt.datetime.now())
     event.add('summary', summary)
diff --git a/khal/khalendar/event.py b/khal/khalendar/event.py
index 8f3a88fc0..4feaecab1 100644
--- a/khal/khalendar/event.py
+++ b/khal/khalendar/event.py
@@ -299,6 +299,14 @@ def symbol_strings(self) -> Dict[str, str]:
                 'right_arrow': '->'
             }
 
+    @property
+    def allowed_busystatus(self) -> Dict[str, str]:
+        return {'BUSY': 'Busy',
+                'FREE': 'Free',
+                'TENTATIVE': 'Tentative',
+                'WORKINGELSEWHERE': 'Work elsewhere',
+                'OOF': 'Out of office'}
+
     @property
     def start_local(self) -> dt.datetime:
         """self.start() localized to local timezone"""
@@ -343,6 +351,27 @@ def organizer(self) -> str:
         else:
             return email
 
+    @property
+    def busystatus(self) -> str:
+        if 'X-MICROSOFT-CDO-BUSYSTATUS' not in self._vevents[self.ref]:
+            return 'BUSY'
+        return self._vevents[self.ref]['X-MICROSOFT-CDO-BUSYSTATUS']
+
+    @property
+    def busystatus_formatted(self) -> str:
+        if 'X-MICROSOFT-CDO-BUSYSTATUS' not in self._vevents[self.ref]:
+            return ''
+        busystatus = self._vevents[self.ref]['X-MICROSOFT-CDO-BUSYSTATUS']
+        if busystatus not in self.allowed_busystatus.keys():
+            return ''
+        return self.allowed_busystatus[busystatus]
+
+    def update_busystatus(self, busystatus: str) -> None:
+        if busystatus and busystatus in self.allowed_busystatus.keys():
+            self._vevents[self.ref]['X-MICROSOFT-CDO-BUSYSTATUS'] = busystatus
+        else:
+            self._vevents[self.ref].pop('X-MICROSOFT-CDO-BUSYSTATUS')
+
     @property
     def url(self) -> str:
         if 'URL' not in self._vevents[self.ref]:
diff --git a/khal/ui/__init__.py b/khal/ui/__init__.py
index 41b2ca9fe..457bc7121 100644
--- a/khal/ui/__init__.py
+++ b/khal/ui/__init__.py
@@ -965,6 +965,9 @@ def __init__(self, conf, event, collection=None):
         if event.url != '':
             lines.append(urwid.Text('URL: ' + event.url))
 
+        if event.busystatus:
+            lines.append(urwid.Text('Busy: ' + event.busystatus_formatted))
+
         if event.attendees != '':
             lines.append(urwid.Text('Attendees:'))
             for attendee in event.attendees.split(', '):
diff --git a/khal/ui/editor.py b/khal/ui/editor.py
index 3edf3b0ce..dbbcbf7d0 100644
--- a/khal/ui/editor.py
+++ b/khal/ui/editor.py
@@ -340,6 +340,7 @@ def __init__(self, pane, event, save_callback=None, always_save=False):
         self.location = event.location
         self.attendees = event.attendees
         self.categories = event.categories
+        self.busystatus = event.busystatus
         self.url = event.url
         self.startendeditor = StartEndEditor(
             event.start_local, event.end_local, self._conf,
@@ -372,6 +373,12 @@ def decorate_choice(c):
             ),
             'edit'
         )
+
+        allowed_status = self.event.allowed_busystatus
+        self.busystatus_choose = Choice(
+            allowed_status.keys(), active=self.busystatus,
+            decorate_func=(lambda x: allowed_status[x]), overlay_width=24)
+
         self.location = urwid.AttrMap(ExtendedEdit(
             caption=('', 'Location:     '), edit_text=self.location), 'edit'
         )
@@ -402,6 +409,7 @@ def decorate_choice(c):
             self.attendees,
             divider,
             self.startendeditor,
+            urwid.Columns([(24, self.busystatus_choose)]),
             self.recurrenceeditor,
             divider,
             self.alarms,
@@ -443,6 +451,8 @@ def changed(self):
             return True
         if self.startendeditor.changed or self.calendar_chooser.changed:
             return True
+        if self.busystatus_choose.changed:
+            return True
         if self.recurrenceeditor.changed:
             return True
         if self.alarms.changed:
@@ -456,6 +466,7 @@ def update_vevent(self):
         self.event.update_attendees(get_wrapped_text(self.attendees).split(','))
         self.event.update_categories(get_wrapped_text(self.categories).split(','))
         self.event.update_url(get_wrapped_text(self.url))
+        self.event.update_busystatus(self.busystatus_choose.active)
 
         if self.startendeditor.changed:
             self.event.update_start_end(