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import {
ActivityIndicator,
SectionList,
StyleSheet,
Text,
TouchableOpacity,
View,
} from 'react-native';
import { Ionicons } from '@expo/vector-icons';
import { router, useFocusEffect, type Href } from 'expo-router';
import { SafeAreaView } from 'react-native-safe-area-context';
import type { NotificationItem } from '@/models/notification';
import {
getNotificationPresentation,
isDedicatedParticipationNotification,
} from '@/utils/notificationPresentation';
import { resolveNotificationRoute } from '@/utils/notificationRouting';
import { formatRelativeTime } from '@/utils/relativeTime';
import { useNotificationsViewModel } from '@/viewmodels/notifications/useNotificationsViewModel';
import { useTranslation } from 'react-i18next';
import { useTheme } from '@/theme';
import type { Theme } from '@/theme';
interface NotificationRowProps {
item: NotificationItem;
onOpen: (item: NotificationItem) => void;
onDelete: (notificationId: string) => void;
theme: Theme;
}
function NotificationRow({ item, onOpen, onDelete, theme }: NotificationRowProps) {
const { t, i18n } = useTranslation();
const styles = useMemo(() => makeStyles(theme), [theme]);
const presentation = getNotificationPresentation(item);
const isDedicated = isDedicatedParticipationNotification(item.type);
return (
<TouchableOpacity
activeOpacity={0.88}
style={[styles.notificationRow, !item.is_read && styles.unreadRow, isDedicated && styles.notificationRowDedicated]}
onPress={() => onOpen(item)}
>
<View style={[styles.notificationIcon, isDedicated && { backgroundColor: presentation.accentBackgroundColor }]}>
<Ionicons name={presentation.iconName as any} size={22} color={isDedicated ? presentation.accentColor : theme.text} />
</View>
<View style={styles.notificationBody}>
<View style={styles.notificationHeader}>
<Text style={styles.notificationTitle} numberOfLines={1}>{presentation.title ?? item.title}</Text>
{!item.is_read && <View style={styles.unreadDot} />}
</View>
{presentation.badgeLabel && (
<View style={[styles.typePill, { backgroundColor: presentation.accentBackgroundColor }]}>
<Text style={[styles.typePillText, { color: presentation.accentColor }]}>{presentation.badgeLabel}</Text>
</View>
)}
<Text style={styles.notificationText} numberOfLines={3}>{presentation.summary}</Text>
<View style={styles.notificationMetaRow}>
{presentation.actionLabel && (
<Text style={[styles.notificationType, isDedicated && { color: presentation.accentColor }]}>{presentation.actionLabel}</Text>
)}
<Text style={styles.notificationTime}>
{formatRelativeTime(item.created_at, t, i18n.language)}
</Text>
</View>
</View>
<TouchableOpacity style={styles.deleteButton} onPress={() => onDelete(item.id)}>
<Ionicons name="trash-outline" size={18} color={theme.textMuted} />
</TouchableOpacity>
</TouchableOpacity>
);
}
export default function NotificationsView() {
const vm = useNotificationsViewModel();
const { t } = useTranslation();
const { theme } = useTheme();
const styles = useMemo(() => makeStyles(theme), [theme]);
const hasFocusedOnceRef = useRef(false);
useFocusEffect(useCallback(() => {
if (hasFocusedOnceRef.current) void vm.refresh();
else hasFocusedOnceRef.current = true;
}, [vm.refresh]));
const sections = useMemo(() => {
if (vm.notifications.length === 0) return [];
const now = new Date();
const today = new Date(now.getFullYear(), now.getMonth(), now.getDate()).getTime();
const todayKey = t('notifications.today');
const earlierKey = t('notifications.earlier');
const groups: { [key: string]: NotificationItem[] } = { [todayKey]: [], [earlierKey]: [] };
vm.notifications.forEach(item => {
const d = new Date(item.created_at);
const itemDate = new Date(d.getFullYear(), d.getMonth(), d.getDate()).getTime();
if (itemDate === today) groups[todayKey].push(item);
else groups[earlierKey].push(item);
});
return Object.entries(groups).filter(([_, items]) => items.length > 0).map(([title, data]) => ({ title, data }));
}, [vm.notifications, t]);
return (
<SafeAreaView edges={['top', 'left', 'right']} style={styles.safeArea}>
<View style={styles.container}>
<View style={styles.header}>
<TouchableOpacity style={styles.backButton} onPress={() => router.back()} accessibilityLabel="Go back">
<Ionicons name="chevron-back" size={24} color={theme.text} />
</TouchableOpacity>
<View style={styles.titleBlock}>
<Text style={styles.screenTitle}>{t('notifications.title')}</Text>
<Text style={styles.screenSubtitle}>
{vm.unreadCount === 0
? t('notifications.allCaughtUp')
: t('notifications.unreadCount', { count: vm.unreadCount })}
</Text>
</View>
<TouchableOpacity
style={[styles.markAllButton, vm.unreadCount === 0 && styles.markAllButtonDisabled]}
onPress={() => void vm.markAllRead()}
disabled={vm.unreadCount === 0}
accessibilityLabel="Mark all notifications as read"
>
<Ionicons name="checkmark-done-outline" size={21} color={vm.unreadCount === 0 ? theme.border : theme.text} />
</TouchableOpacity>
</View>
{vm.apiError && (
<View style={styles.errorBanner}>
<Text style={styles.errorText}>{vm.apiError}</Text>
</View>
)}
{vm.isLoading && !vm.isRefreshing ? (
<View style={styles.loadingPanel}>
<ActivityIndicator size="large" color={theme.primary} />
<Text style={styles.loadingText}>{t('notifications.loading')}</Text>
</View>
) : (
<SectionList
sections={sections}
keyExtractor={item => item.id}
renderItem={({ item }) => <NotificationRow item={item} onOpen={item => {
void vm.markRead(item.id);
const r = resolveNotificationRoute(item);
Iif (r) router.push(r as Href);
}} onDelete={id => void vm.removeNotification(id)} theme={theme} />}
renderSectionHeader={({ section: { title } }) => (
<View style={styles.sectionHeader}>
<Text style={styles.sectionHeaderText}>{title}</Text>
</View>
)}
contentContainerStyle={[styles.listContent, sections.length === 0 && { flex: 1 }]}
stickySectionHeadersEnabled={false}
refreshing={vm.isRefreshing}
onRefresh={vm.refresh}
onEndReached={vm.loadMore}
ListEmptyComponent={
<View style={styles.emptyStateContainer}>
<View style={styles.emptyStateIconCircle}>
<Ionicons name="notifications-outline" size={48} color={theme.primary} />
</View>
<Text style={styles.emptyTitle}>{t('notifications.emptyTitle')}</Text>
<Text style={styles.emptySubtitle}>{t('notifications.emptySubtitle')}</Text>
</View>
}
/>
)}
</View>
</SafeAreaView>
);
}
function makeStyles(t: Theme) {
return StyleSheet.create({
safeArea: { flex: 1, backgroundColor: t.background },
container: { flex: 1, paddingHorizontal: 20 },
header: { flexDirection: 'row', alignItems: 'center', paddingTop: 14, paddingBottom: 18, gap: 12 },
backButton: { width: 42, height: 42, borderRadius: 21, backgroundColor: t.surface, borderWidth: 1, borderColor: t.border, alignItems: 'center', justifyContent: 'center' },
titleBlock: { flex: 1 },
screenTitle: { fontSize: 28, fontWeight: '800', color: t.text },
screenSubtitle: { marginTop: 2, color: t.textMuted, fontSize: 14, fontWeight: '600' },
markAllButton: { width: 42, height: 42, borderRadius: 21, backgroundColor: t.surface, borderWidth: 1, borderColor: t.border, alignItems: 'center', justifyContent: 'center' },
markAllButtonDisabled: { backgroundColor: t.background },
errorBanner: { backgroundColor: t.errorBg, borderColor: t.errorBorder, borderWidth: 1, borderRadius: 12, padding: 12, marginBottom: 12 },
errorText: { color: t.errorText, fontSize: 14 },
loadingPanel: { flex: 1, alignItems: 'center', justifyContent: 'center', paddingBottom: 60 },
loadingText: { marginTop: 12, color: t.textMuted, fontSize: 15 },
listContent: { paddingBottom: 24, gap: 10 },
notificationRow: { flexDirection: 'row', alignItems: 'flex-start', gap: 12, backgroundColor: t.surface, borderWidth: 1, borderColor: t.border, borderRadius: 18, padding: 12 },
notificationRowDedicated: { borderColor: t.borderStrong },
unreadRow: { borderColor: t.unreadBorder, backgroundColor: t.unreadBg },
notificationIcon: { width: 54, height: 54, borderRadius: 12, backgroundColor: t.infoBg, alignItems: 'center', justifyContent: 'center' },
notificationBody: { flex: 1, minWidth: 0, gap: 5 },
notificationHeader: { flexDirection: 'row', alignItems: 'flex-start', gap: 8 },
notificationTitle: { flex: 1, color: t.text, fontSize: 15, fontWeight: '800', lineHeight: 20 },
unreadDot: { width: 8, height: 8, borderRadius: 4, backgroundColor: t.unreadDot },
typePill: { alignSelf: 'flex-start', paddingHorizontal: 10, paddingVertical: 5, borderRadius: 999 },
typePillText: { fontSize: 11, fontWeight: '800' },
notificationText: { color: t.textSecondary, fontSize: 14, lineHeight: 19 },
notificationMetaRow: { flexDirection: 'row', alignItems: 'center', gap: 8, marginTop: 9 },
notificationType: { flex: 1, color: t.infoText, fontSize: 11, fontWeight: '800', textTransform: 'uppercase', letterSpacing: 0.6 },
notificationTime: { color: t.textMuted, fontSize: 12, fontWeight: '700' },
deleteButton: { width: 36, height: 36, borderRadius: 18, alignItems: 'center', justifyContent: 'center' },
emptyStateContainer: { flex: 1, alignItems: 'center', justifyContent: 'center', paddingBottom: 80 },
emptyStateIconCircle: { width: 90, height: 90, borderRadius: 45, backgroundColor: t.surface, borderWidth: 1, borderColor: t.border, alignItems: 'center', justifyContent: 'center', marginBottom: 20 },
emptyTitle: { fontSize: 22, fontWeight: '800', color: t.text },
emptySubtitle: { marginTop: 10, fontSize: 15, lineHeight: 22, color: t.textMuted, textAlign: 'center', paddingHorizontal: 40 },
sectionHeader: { backgroundColor: t.background, paddingTop: 24, paddingBottom: 10 },
sectionHeaderText: { fontSize: 16, fontWeight: '800', color: t.textMuted, textTransform: 'uppercase', letterSpacing: 1.2 },
});
}
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