✨(front) add main CalendarList component

Add CalendarList component for managing user calendars with
visibility toggles, color customization and CalDAV sync.
Replaces previous monolithic implementation.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/frontend/apps/calendars/src/features/calendar/components/calendar-list/CalendarList.tsx

@@ -0,0 +1,228 @@
+/**
+ * CalendarList component - List of calendars with visibility toggles.
+ */
+
+import { useState } from "react";
+import { useTranslation } from "react-i18next";
+
+import type { Calendar } from "../../types";
+import { useCalendarContext } from "../../contexts";
+
+import { CalendarModal } from "./CalendarModal";
+import { DeleteConfirmModal } from "./DeleteConfirmModal";
+import { SubscriptionUrlModal } from "./SubscriptionUrlModal";
+import { CalendarListItem, SharedCalendarListItem } from "./CalendarListItem";
+import { useCalendarListState } from "./hooks/useCalendarListState";
+import type { CalendarListProps } from "./types";
+import type { CalDavCalendar } from "../../services/dav/types/caldav-service";
+
+export const CalendarList = ({ calendars }: CalendarListProps) => {
+  const { t } = useTranslation();
+  const {
+    davCalendars,
+    visibleCalendarUrls,
+    toggleCalendarVisibility,
+    createCalendar,
+    updateCalendar,
+    deleteCalendar,
+    shareCalendar,
+  } = useCalendarContext();
+
+  const {
+    modalState,
+    deleteState,
+    isMyCalendarsExpanded,
+    isSharedCalendarsExpanded,
+    openMenuUrl,
+    handleOpenCreateModal,
+    handleOpenEditModal,
+    handleCloseModal,
+    handleSaveCalendar,
+    handleShareCalendar,
+    handleOpenDeleteModal,
+    handleCloseDeleteModal,
+    handleConfirmDelete,
+    handleMenuToggle,
+    handleCloseMenu,
+    handleToggleMyCalendars,
+    handleToggleSharedCalendars,
+  } = useCalendarListState({
+    createCalendar,
+    updateCalendar,
+    deleteCalendar,
+    shareCalendar,
+  });
+
+  // Subscription modal state
+  const [subscriptionModal, setSubscriptionModal] = useState<{
+    isOpen: boolean;
+    calendarName: string;
+    caldavPath: string | null;
+  }>({ isOpen: false, calendarName: "", caldavPath: null });
+
+  const handleOpenSubscriptionModal = (davCalendar: CalDavCalendar) => {
+    try {
+      // Extract the CalDAV path from the calendar URL
+      // URL format: http://localhost:8921/api/v1.0/caldav/calendars/user@example.com/uuid/
+      const url = new URL(davCalendar.url);
+      const pathParts = url.pathname.split("/").filter(Boolean);
+
+      // Find the index of "calendars" and extract from there
+      const calendarsIndex = pathParts.findIndex((part) => part === "calendars");
+
+      if (calendarsIndex === -1) {
+        console.error("Invalid calendar URL format - 'calendars' segment not found:", davCalendar.url);
+        return;
+      }
+
+      // Validate that we have enough parts for a valid path: calendars/email/uuid
+      const remainingParts = pathParts.slice(calendarsIndex);
+      if (remainingParts.length < 3) {
+        console.error("Invalid calendar URL format - incomplete path:", davCalendar.url);
+        return;
+      }
+
+      // Ensure trailing slash for consistency with backend expectations
+      const caldavPath = "/" + remainingParts.join("/") + "/";
+
+      setSubscriptionModal({
+        isOpen: true,
+        calendarName: davCalendar.displayName || "",
+        caldavPath: caldavPath,
+      });
+    } catch (error) {
+      console.error("Failed to parse calendar URL:", error);
+    }
+  };
+
+  const handleCloseSubscriptionModal = () => {
+    setSubscriptionModal({ isOpen: false, calendarName: "", caldavPath: null });
+  };
+
+  // Ensure calendars is an array
+  const calendarsArray = Array.isArray(calendars) ? calendars : [];
+
+  // Use translation key for shared marker
+  const sharedMarker = t('calendar.list.shared');
+
+  const sharedCalendars = calendarsArray.filter((cal) =>
+    cal.name.includes(sharedMarker)
+  );
+
+  return (
+    <>
+      <div className="calendar-list">
+        <div className="calendar-list__section">
+          <div className="calendar-list__section-header">
+            <button
+              className="calendar-list__toggle-btn"
+              onClick={handleToggleMyCalendars}
+              aria-expanded={isMyCalendarsExpanded}
+            >
+              <span
+                className={`material-icons calendar-list__toggle-icon ${
+                  isMyCalendarsExpanded
+                    ? 'calendar-list__toggle-icon--expanded'
+                    : ''
+                }`}
+              >
+                expand_more
+              </span>
+              <span className="calendar-list__section-title">
+                {t('calendar.list.myCalendars')}
+              </span>
+            </button>
+            <button
+              className="calendar-list__add-btn"
+              onClick={handleOpenCreateModal}
+              title={t('calendar.createCalendar.title')}
+            >
+              <span className="material-icons">add</span>
+            </button>
+          </div>
+          {isMyCalendarsExpanded && (
+            <div className="calendar-list__items">
+              {davCalendars.map((calendar) => (
+                <CalendarListItem
+                  key={calendar.url}
+                  calendar={calendar}
+                  isVisible={visibleCalendarUrls.has(calendar.url)}
+                  isMenuOpen={openMenuUrl === calendar.url}
+                  onToggleVisibility={toggleCalendarVisibility}
+                  onMenuToggle={handleMenuToggle}
+                  onEdit={handleOpenEditModal}
+                  onDelete={handleOpenDeleteModal}
+                  onSubscription={handleOpenSubscriptionModal}
+                  onCloseMenu={handleCloseMenu}
+                />
+              ))}
+            </div>
+          )}
+        </div>
+
+        {sharedCalendars.length > 0 && (
+          <div className="calendar-list__section">
+            <div className="calendar-list__section-header">
+              <button
+                className="calendar-list__toggle-btn"
+                onClick={handleToggleSharedCalendars}
+                aria-expanded={isSharedCalendarsExpanded}
+              >
+                <span
+                  className={`material-icons calendar-list__toggle-icon ${
+                    isSharedCalendarsExpanded
+                      ? 'calendar-list__toggle-icon--expanded'
+                      : ''
+                  }`}
+                >
+                  expand_more
+                </span>
+                <span className="calendar-list__section-title">
+                  {t('calendar.list.sharedCalendars')}
+                </span>
+              </button>
+            </div>
+            {isSharedCalendarsExpanded && (
+              <div className="calendar-list__items">
+                {sharedCalendars.map((calendar: Calendar) => (
+                  <SharedCalendarListItem
+                    key={calendar.id}
+                    calendar={calendar}
+                    isVisible={visibleCalendarUrls.has(String(calendar.id))}
+                    onToggleVisibility={toggleCalendarVisibility}
+                  />
+                ))}
+              </div>
+            )}
+          </div>
+        )}
+      </div>
+
+      <CalendarModal
+        isOpen={modalState.isOpen}
+        mode={modalState.mode}
+        calendar={modalState.calendar}
+        onClose={handleCloseModal}
+        onSave={handleSaveCalendar}
+        onShare={handleShareCalendar}
+      />
+
+      <DeleteConfirmModal
+        isOpen={deleteState.isOpen}
+        calendarName={deleteState.calendar?.displayName || ''}
+        onConfirm={handleConfirmDelete}
+        onCancel={handleCloseDeleteModal}
+        isLoading={deleteState.isLoading}
+      />
+
+      {subscriptionModal.isOpen && subscriptionModal.caldavPath && (
+        <SubscriptionUrlModal
+          isOpen={subscriptionModal.isOpen}
+          caldavPath={subscriptionModal.caldavPath}
+          calendarName={subscriptionModal.calendarName}
+          onClose={handleCloseSubscriptionModal}
+        />
+      )}
+    </>
+  );
+};

src/frontend/apps/calendars/src/features/calendar/components/calendar-list/index.ts

@@ -0,0 +1,13 @@
+/**
+ * Calendar List components exports.
+ */
+
+export { CalendarList } from "./CalendarList";
+export { CalendarModal } from "./CalendarModal";
+export { CalendarItemMenu } from "./CalendarItemMenu";
+export { DeleteConfirmModal } from "./DeleteConfirmModal";
+export { SubscriptionUrlModal } from "./SubscriptionUrlModal";
+export { CalendarListItem, SharedCalendarListItem } from "./CalendarListItem";
+export { useCalendarListState } from "./hooks/useCalendarListState";
+export { DEFAULT_COLORS } from "./constants";
+export * from "./types";