ungana

commit 6384141815d503a612eef5377741997555d145b1
parent 71c1a64e713264e78f6e46d2eeb2e39388879bc2
Author: Carlosokumu <carlosokumu254@gmail.com>
Date:   Thu, 14 Aug 2025 21:04:40 +0300

add logic to load  existing ical files

Diffstat:
M
calendarapp/ical/ical_manager.py
 | 
40
++++++++++++++++++++++++++++++++++++++++

1 file changed, 40 insertions(+), 0 deletions(-)
diff --git a/calendarapp/ical/ical_manager.py b/calendarapp/ical/ical_manager.py
@@ -1,3 +1,4 @@
+import os
 from icalendar import Calendar, Event, vDuration
 from datetime import datetime
 from typing import Dict, Any
@@ -31,6 +32,21 @@ class ICalManager:
             event['dtstart'].params['TZID'] = event_data['tzid']
         
         return event
+    
+    def update_event(self, cal: Calendar, updates: Dict[str, Any], uid: str) -> Calendar:
+        event_found = False
+        for component in cal.walk():
+            if component.name == "VEVENT" and str(component.get("UID")) == uid:
+                event_found = True
+                for key, value in updates.items():
+                    component[key] = value
+                break
+
+        if not event_found:
+            raise ValueError(f"No event with UID {uid} found.")
+
+        return cal
+
 
     def _parse_duration(self, duration_str: str) -> tuple[int, int]:
         """Parse duration string in format 'XhYm' into hours and minutes."""
@@ -48,6 +64,30 @@ class ICalManager:
     def _generate_uid(self, dtstart: datetime) -> str:
         """Generate a unique ID based on event start time."""
         return f"{dtstart.strftime('%Y%m%dT%H%M%S')}@calendarapp"
+    
+    def load_ical_file(self, filename: str) -> Calendar:
+        """Load an iCalendar file from disk with error handling."""
+        if not os.path.exists(filename):
+            raise FileNotFoundError(f"iCalendar file '{filename}' does not exist.")
+        
+        try:
+            with open(filename, 'rb') as f:
+                data = f.read()
+            self.calendar = Calendar.from_ical(data)
+            return self.calendar
+        except Exception as e:
+            raise ValueError(f"Failed to parse iCalendar file '{filename}': {e}")
+        
+    
+    def get_all_events(self,cal):
+        """
+        Return a list of all VEVENT components in the calendar.
+        """
+        events = []
+        for component in cal.walk():
+            if component.name == "VEVENT":
+                events.append(component)
+        return events
 
     def save_to_file(self, event: Event, filename: str) -> None:
         """Save calendar with event to .ics file."""