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import {
MyEventStatus,
MyEventSummary,
} from '@/models/event';
import { useAuth } from '@/contexts/AuthContext';
import { listMyEvents } from '@/services/eventService';
const STATUS_OPTIONS: Array<{ value: MyEventStatus; label: string }> = [
{ value: 'ACTIVE', label: 'Active' },
{ value: 'IN_PROGRESS', label: 'In Progress' },
{ value: 'COMPLETED', label: 'Completed' },
{ value: 'CANCELED', label: 'Canceled' },
];
const EMPTY_STATE_COPY: Record<
MyEventStatus,
{ title: string; subtitle: string }
> = {
ACTIVE: {
title: 'No active events right now',
subtitle: 'Hosted plans and upcoming participations will appear here.',
},
IN_PROGRESS: {
title: 'Nothing is in progress',
subtitle: 'Events that are currently happening will show up here.',
},
COMPLETED: {
title: 'No completed events yet',
subtitle: 'Your hosted wrap-ups and participation history will build here.',
},
CANCELED: {
title: 'No canceled events',
subtitle: 'Canceled hosted or attended events will appear here when needed.',
},
};
export interface MyEventsStatusTab {
value: MyEventStatus;
label: string;
count: number;
}
export interface MyEventsViewModel {
activeStatus: MyEventStatus;
statusTabs: MyEventsStatusTab[];
hostedEvents: MyEventSummary[];
attendedEvents: MyEventSummary[];
visibleEvents: MyEventSummary[];
hostedCount: number;
attendedCount: number;
isLoading: boolean;
errorMessage: string | null;
canRetry: boolean;
emptyTitle: string;
emptySubtitle: string;
setActiveStatus: (status: MyEventStatus) => void;
reload: () => Promise<void>;
}
function getTimeValue(value: string) {
const time = new Date(value).getTime();
return Number.isNaN(time) ? 0 : time;
}
function sortVisibleEvents(
events: MyEventSummary[],
status: MyEventStatus,
): MyEventSummary[] {
const sorted = [...events];
sorted.sort((first, second) => {
const firstTime = getTimeValue(first.start_time);
const secondTime = getTimeValue(second.start_time);
Eif (firstTime !== secondTime) {
return status === 'ACTIVE' || status === 'IN_PROGRESS'
? firstTime - secondTime
: secondTime - firstTime;
}
if (first.relation !== second.relation) {
return first.relation === 'HOSTING' ? -1 : 1;
}
return first.title.localeCompare(second.title);
});
return sorted;
}
export function useMyEventsViewModel(): MyEventsViewModel {
const { token } = useAuth();
const [activeStatus, setActiveStatus] = useState<MyEventStatus>('ACTIVE');
const [hostedEvents, setHostedEvents] = useState<MyEventSummary[]>([]);
const [attendedEvents, setAttendedEvents] = useState<MyEventSummary[]>([]);
const [isLoading, setIsLoading] = useState(true);
const [errorMessage, setErrorMessage] = useState<string | null>(null);
async function reload() {
if (!token) {
setHostedEvents([]);
setAttendedEvents([]);
setErrorMessage('You must be logged in to manage your events.');
setIsLoading(false);
return;
}
setIsLoading(true);
setErrorMessage(null);
try {
const response = await listMyEvents(token);
setHostedEvents(response.hosted_events);
setAttendedEvents(response.attended_events);
} catch {
setHostedEvents([]);
setAttendedEvents([]);
setErrorMessage('Failed to load your events. Please try again.');
} finally {
setIsLoading(false);
}
}
useEffect(() => {
void reload();
}, [token]);
const allEvents = [...hostedEvents, ...attendedEvents];
const visibleEvents = sortVisibleEvents(
allEvents.filter((event) => event.status === activeStatus),
activeStatus,
);
const statusTabs = STATUS_OPTIONS.map((statusOption) => ({
...statusOption,
count: allEvents.filter((event) => event.status === statusOption.value).length,
}));
const hasAnyEvents = allEvents.length > 0;
const emptyTitle = hasAnyEvents
? EMPTY_STATE_COPY[activeStatus].title
: 'No events to manage yet';
const emptySubtitle = hasAnyEvents
? EMPTY_STATE_COPY[activeStatus].subtitle
: 'Events you host or join will appear here once your plans start coming together.';
return {
activeStatus,
statusTabs,
hostedEvents,
attendedEvents,
visibleEvents,
hostedCount: hostedEvents.length,
attendedCount: attendedEvents.length,
isLoading,
errorMessage,
canRetry: Boolean(token),
emptyTitle,
emptySubtitle,
setActiveStatus,
reload,
};
}
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