FedMCP - Federal Parliamentary Information

/** * useCommitteeActivity Hook * * Tracks committee viewing activity and new meeting indicators * Uses bookmark metadata to store visit state across devices */ import { useCallback, useMemo } from 'react'; import { useBookmarks } from './useBookmarks'; import { useAuth } from '@/contexts/AuthContext'; export interface CommitteeActivity { code: string; latestMeetingNumber: number | null; latestMeetingDate: string | null; totalMeetings: number; lastViewedMeetingNumber: number | null; lastViewedAt: string | null; newMeetingsCount: number; } export function useCommitteeActivity() { const { user } = useAuth(); const { bookmarks, updateBookmark, getBookmark } = useBookmarks(); /** * Get all bookmarked committees */ const bookmarkedCommittees = useMemo(() => { return bookmarks.filter((b) => b.item_type === 'committee'); }, [bookmarks]); /** * Calculate new meetings count for a committee */ const getNewMeetingsCount = useCallback( (committeeCode: string, currentLatestMeetingNumber?: number | null): number => { const bookmark = getBookmark('committee', committeeCode); if (!bookmark) return 0; // Only track bookmarked committees if (!currentLatestMeetingNumber) return 0; // No meetings data const lastViewed = bookmark.metadata?.last_meeting_number as number | undefined; if (!lastViewed) { // Never viewed - show all meetings as new return currentLatestMeetingNumber; } return Math.max(0, currentLatestMeetingNumber - lastViewed); }, [getBookmark] ); /** * Mark committee as viewed * Updates the bookmark metadata with latest meeting info */ const markCommitteeViewed = useCallback( async ( committeeCode: string, meetingNumber?: number, totalMeetings?: number ): Promise<void> => { const bookmark = getBookmark('committee', committeeCode); if (!bookmark) return; // Only track bookmarked committees // Optimistic update await updateBookmark(bookmark.id, { metadata: { ...bookmark.metadata, last_visit: new Date().toISOString(), last_meeting_number: meetingNumber ?? bookmark.metadata?.last_meeting_number, total_meetings: totalMeetings ?? bookmark.metadata?.total_meetings, }, }); }, [getBookmark, updateBookmark] ); /** * Get activity data for a specific committee */ const getCommitteeActivity = useCallback( ( committeeCode: string, latestMeetingNumber?: number | null, latestMeetingDate?: string | null, totalMeetings?: number ): CommitteeActivity | null => { const bookmark = getBookmark('committee', committeeCode); if (!bookmark) return null; const lastViewedMeetingNumber = (bookmark.metadata?.last_meeting_number as number) ?? null; const lastViewedAt = (bookmark.metadata?.last_visit as string) ?? null; return { code: committeeCode, latestMeetingNumber: latestMeetingNumber ?? null, latestMeetingDate: latestMeetingDate ?? null, totalMeetings: totalMeetings ?? 0, lastViewedMeetingNumber, lastViewedAt, newMeetingsCount: getNewMeetingsCount(committeeCode, latestMeetingNumber), }; }, [getBookmark, getNewMeetingsCount] ); /** * Get all bookmarked committees with activity data */ const bookmarkedCommitteesWithActivity = useMemo(() => { return bookmarkedCommittees.map((bookmark) => ({ bookmark, activity: getCommitteeActivity(bookmark.item_id), })); }, [bookmarkedCommittees, getCommitteeActivity]); /** * Check if a committee is being tracked (bookmarked) */ const isTracking = useCallback( (committeeCode: string): boolean => { return bookmarkedCommittees.some((b) => b.item_id === committeeCode); }, [bookmarkedCommittees] ); return { // State bookmarkedCommittees, bookmarkedCommitteesWithActivity, isAuthenticated: !!user, // Actions markCommitteeViewed, getNewMeetingsCount, getCommitteeActivity, isTracking, }; }