feat: Refactor appointment handling to support multi-day events and improve calendar visibility

Web/app.py

@@ -4823,6 +4823,22 @@ def get_user_appointments():
 
         result = []
         import re as _re
+
+        def _date_iter(start_value: str, end_value: str):
+            try:
+                start_date = datetime.datetime.strptime(start_value, '%Y-%m-%d').date()
+                end_date = datetime.datetime.strptime(end_value, '%Y-%m-%d').date()
+            except Exception:
+                return []
+            if end_date < start_date:
+                end_date = start_date
+            cursor = start_date
+            days = []
+            while cursor <= end_date:
+                days.append(cursor.strftime('%Y-%m-%d'))
+                cursor += datetime.timedelta(days=1)
+            return days
+
         for appt in appointments:
             appt_id = str(appt.get('_id') or '')
             if not appt_id:
@@ -4831,64 +4847,36 @@ def get_user_appointments():
             date_start = str(appt.get('date_start') or '')
             date_end = str(appt.get('date_end') or date_start)
             time_span = appt.get('time_span', []) or []
+            title = appt.get('note') or f"Termin von {appt.get('user') or ''}"
+            days_in_range = _date_iter(date_start, date_end) or ([date_start] if date_start else [])
 
-            # Determine a sensible start and end datetime for the event.
+            span_entries = []
-            # Prefer a time from the time_span for the first day and a time for the last day when multi-day.
-            start_dt_str = date_start
-            end_dt_str = date_end
-            first_time = None
-            last_time = None
-            generic_first = None
-            generic_last = None
-            try:
-                # collect times from spans
             for entry in time_span:
                 s = str(entry or '').strip()
                 if not s:
                     continue
                 m_date = _re.match(r"^(\d{4}-\d{2}-\d{2})\s+(\d{2}:\d{2})-(\d{2}:\d{2})$", s)
                 if m_date:
-                        d = m_date.group(1)
+                    span_entries.append((m_date.group(1), m_date.group(2), m_date.group(3)))
-                        if d == date_start and not first_time:
-                            first_time = m_date.group(2)
-                        if d == date_end:
-                            last_time = m_date.group(3)
                     continue
                 m = _re.match(r"^(\d{2}:\d{2})-(\d{2}:\d{2})$", s)
                 if m:
-                        if generic_first is None:
+                    for day in days_in_range:
-                            generic_first = m.group(1)
+                        span_entries.append((day, m.group(1), m.group(2)))
-                        generic_last = m.group(2)
 
-                if not first_time and generic_first:
+            # If the stored span is already day-specific, use it as-is.
-                    first_time = generic_first
+            # If it was generic, we duplicated it to each day in the range above.
-                if not last_time and generic_last:
+            if not span_entries and days_in_range:
-                    last_time = generic_last
+                # Fallback: create a simple all-day marker for each date so the appointment is visible.
+                for day in days_in_range:
+                    span_entries.append((day, '08:00', '16:45'))
 
-                if first_time:
+            for day, start_time, end_time in span_entries:
-                    start_dt_str = f"{date_start}T{first_time}"
-
-                # If appointment spans multiple days and we have a last_time for the final day, use it
-                if date_end != date_start:
-                    if last_time:
-                        end_dt_str = f"{date_end}T{last_time}"
-                    else:
-                        # span until end of final day
-                        end_dt_str = f"{date_end}T23:59:59"
-                else:
-                    if last_time:
-                        end_dt_str = f"{date_start}T{last_time}"
-            except Exception:
-                # fallback: use whole-day span
-                if date_end != date_start:
-                    end_dt_str = f"{date_end}T23:59:59"
-
-            title = appt.get('note') or f"Termin von {appt.get('user') or ''}"
                 result.append({
-                'id': appt_id,
+                    'id': f"{appt_id}-{day}-{start_time}",
                     'title': title,
-                'start': start_dt_str,
+                    'start': f"{day}T{start_time}",
-                'end': end_dt_str,
+                    'end': f"{day}T{end_time}",
                     'status': 'planned',
                     'itemId': appt_id,
                     'userName': str(appt.get('user') or ''),

Web/templates/terminplan.html

@@ -288,22 +288,6 @@ document.addEventListener('DOMContentLoaded', function() {
                         ? processedEvents 
                         : processedEvents.filter(event => event.extendedProps.status !== 'completed');
 
-                    // If any event spans multiple days, switch to week view for better visibility
-                    try {
-                        const multiDay = processedEvents.some(ev => {
-                            try {
-                                const s = new Date(ev.start);
-                                const e = new Date(ev.end);
-                                return s && e && s.toDateString() !== e.toDateString();
-                            } catch (e) { return false; }
-                        });
-                        if (multiDay && calendar && calendar.view && calendar.view.type === 'timeGridDay') {
-                            calendar.changeView('timeGridWeek');
-                        }
-                    } catch (e) {
-                        // ignore
-                    }
-
                     // Provide events to calendar
                     successCallback(filteredEvents);
                 })
@@ -330,22 +314,6 @@ document.addEventListener('DOMContentLoaded', function() {
                 periodDiv.style.display = 'inline-block';
                 periodDiv.style.fontSize = '10px';
                 info.el.appendChild(periodDiv);
-            } else {
-                // Check if it is a multi-day event
-                const start = info.event.start;
-                const end = info.event.end;
-                if (start && end && start.toDateString() !== end.toDateString()) {
-                    const periodDiv = document.createElement('div');
-                    periodDiv.className = 'fc-event-period-marker';
-                    periodDiv.textContent = 'Mehrtägig';
-                    periodDiv.style.backgroundColor = 'rgba(255,255,255,0.3)';
-                    periodDiv.style.borderRadius = '3px';
-                    periodDiv.style.padding = '1px 3px';
-                    periodDiv.style.marginTop = '2px';
-                    periodDiv.style.display = 'inline-block';
-                    periodDiv.style.fontSize = '10px';
-                    info.el.appendChild(periodDiv);
-                }
             }
             
             // Add borrowed indicator if relevant