Davide Scaini
303 lines
10 KiB
TypeScript
303 lines
10 KiB
TypeScript
import * as FileSystem from 'expo-file-system';
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import { useFocusEffect } from 'expo-router';
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import { useSQLiteContext } from 'expo-sqlite';
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import { useCallback, useState } from 'react';
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import { Alert, FlatList, Pressable, RefreshControl, StyleSheet, Text, TextInput, View } from 'react-native';
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import { deleteActivities, useActivities, useActivityCount, PAGE_SIZE } from '@/db/queries';
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import { downloadFeed, uploadFeed } from '@/db/sync';
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import { useTheme } from '@/ThemeContext';
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import { ActivityCard } from '@/components/ActivityCard';
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export default function FeedScreen() {
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const db = useSQLiteContext();
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const theme = useTheme();
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const [refreshKey, setRefreshKey] = useState(0);
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const [searchQuery, setSearchQuery] = useState('');
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const [limit, setLimit] = useState(PAGE_SIZE);
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const activities = useActivities(searchQuery, limit);
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const totalCount = useActivityCount(searchQuery);
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const hasMore = activities.length < totalCount;
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const [downloading, setDownloading] = useState(false);
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const [uploading, setUploading] = useState(false);
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const [statusMsg, setStatusMsg] = useState<{ ok: boolean; text: string } | null>(null);
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const [selected, setSelected] = useState<Set<string>>(new Set());
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const selecting = selected.size > 0;
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// Auto-refresh the local list whenever the tab comes into focus.
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// SQLite getAllSync is sub-millisecond — no network, no lag.
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useFocusEffect(useCallback(() => {
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setRefreshKey(k => k + 1);
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}, []));
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function showMsg(ok: boolean, text: string) {
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setStatusMsg({ ok, text });
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setTimeout(() => setStatusMsg(null), 3500);
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}
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const doDownload = useCallback(async () => {
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setDownloading(true);
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setStatusMsg(null);
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const result = await downloadFeed(db);
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setDownloading(false);
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setRefreshKey(k => k + 1);
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if (result.error) {
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showMsg(false, result.error);
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} else if (result.total === 0) {
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showMsg(true, 'No activities on instance');
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} else if (result.synced === 0 && !result.fetched) {
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showMsg(true, `Up to date (${result.total} activities)`);
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} else {
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const parts = [];
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if (result.synced > 0) parts.push(`${result.synced} new`);
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if (result.fetched) parts.push(`${result.fetched} full dataset${result.fetched === 1 ? '' : 's'}`);
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showMsg(true, `Downloaded: ${parts.join(', ')} (${result.total} total)`);
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}
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}, [db]);
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const doUpload = useCallback(async () => {
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setUploading(true);
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setStatusMsg(null);
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const result = await uploadFeed(db, (n, total) => {
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setStatusMsg({ ok: true, text: `Uploading ${n} / ${total}…` });
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});
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setUploading(false);
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if (result.error) {
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showMsg(false, result.error);
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} else if (!result.uploaded && !result.failed) {
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showMsg(true, 'Nothing to upload');
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} else {
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const parts: string[] = [];
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if (result.uploaded) parts.push(`${result.uploaded} uploaded`);
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if (result.failed) parts.push(`${result.failed} failed`);
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showMsg(result.failed ? false : true, parts.join(', '));
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}
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}, [db]);
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function doRefresh() {
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setRefreshKey(k => k + 1);
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}
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function handleSearch(q: string) {
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setSearchQuery(q);
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setLimit(PAGE_SIZE); // reset pagination when search changes
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}
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function loadMore() {
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if (hasMore) setLimit(l => l + PAGE_SIZE);
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}
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function toggleSelect(id: string) {
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setSelected(prev => {
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const next = new Set(prev);
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if (next.has(id)) next.delete(id); else next.add(id);
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return next;
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});
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}
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function cancelSelect() { setSelected(new Set()); }
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function confirmDeleteSelected() {
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const count = selected.size;
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Alert.alert(
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`Delete ${count} activit${count === 1 ? 'y' : 'ies'}`,
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'These activities will be permanently removed from your device.',
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[
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{ text: 'Cancel', style: 'cancel' },
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{
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text: 'Delete',
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style: 'destructive',
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onPress: async () => {
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const ids = Array.from(selected);
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const paths = await deleteActivities(db, ids);
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setSelected(new Set());
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for (const p of paths) {
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if (p) try { await FileSystem.deleteAsync(p, { idempotent: true }); } catch {}
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}
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},
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},
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],
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);
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}
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const busy = downloading || uploading;
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return (
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<View style={styles.container}>
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<View style={styles.headerRow}>
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{selecting ? (
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<>
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<Text style={styles.header}>{selected.size} selected</Text>
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<Pressable style={styles.cancelButton} onPress={cancelSelect}>
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<Text style={styles.cancelText}>Cancel</Text>
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</Pressable>
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</>
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) : (
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<>
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<Text style={styles.header}>Feed</Text>
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<View style={styles.actionButtons}>
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<ActionButton
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icon="↑"
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label="Upload"
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loading={uploading}
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disabled={busy}
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accent={theme.accent}
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dim={theme.dim}
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onPress={doUpload}
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/>
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<ActionButton
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icon="↓"
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label="Download"
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loading={downloading}
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disabled={busy}
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accent={theme.accent}
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dim={theme.dim}
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onPress={doDownload}
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/>
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<ActionButton
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icon="↺"
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label="Refresh"
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loading={false}
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disabled={busy}
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accent={theme.accent}
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dim={theme.dim}
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onPress={doRefresh}
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/>
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</View>
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</>
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)}
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</View>
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{statusMsg && (
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<Text style={statusMsg.ok ? styles.msgOk : styles.msgErr}>{statusMsg.text}</Text>
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)}
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{!selecting && (
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<View style={styles.searchRow}>
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<TextInput
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style={styles.searchInput}
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value={searchQuery}
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onChangeText={handleSearch}
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placeholder="Search activities…"
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placeholderTextColor="#52525b"
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returnKeyType="search"
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clearButtonMode="while-editing"
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/>
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</View>
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)}
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{activities.length === 0 && !busy ? (
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<View style={styles.empty}>
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<Text style={styles.emptyIcon}>🚴</Text>
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<Text style={styles.emptyTitle}>No activities yet</Text>
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<Text style={styles.emptyBody}>
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Import a file or tap ↓ to pull from your instance.
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</Text>
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</View>
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) : (
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<FlatList
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data={activities}
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keyExtractor={(a) => a.id}
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extraData={refreshKey}
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renderItem={({ item }) => (
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<ActivityCard
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activity={item}
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selecting={selecting}
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checked={selected.has(item.id)}
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onToggleSelect={() => toggleSelect(item.id)}
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onLongPress={() => toggleSelect(item.id)}
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/>
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)}
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contentContainerStyle={styles.list}
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onEndReached={loadMore}
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onEndReachedThreshold={0.3}
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refreshControl={
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<RefreshControl
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refreshing={false}
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onRefresh={doRefresh}
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tintColor="#60a5fa"
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/>
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}
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/>
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)}
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{selecting && (
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<View style={styles.actionBar}>
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<Pressable style={styles.deleteBarButton} onPress={confirmDeleteSelected}>
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<Text style={styles.deleteBarText}>Delete {selected.size}</Text>
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</Pressable>
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</View>
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)}
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</View>
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);
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}
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function ActionButton({
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icon, label, loading, disabled, accent, dim, onPress,
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}: {
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icon: string;
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label: string;
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loading: boolean;
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disabled: boolean;
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accent: string;
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dim: string;
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onPress: () => void;
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}) {
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return (
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<Pressable
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style={[styles.actionBtn, { backgroundColor: dim }, disabled && styles.actionBtnDisabled]}
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onPress={disabled ? undefined : onPress}
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accessibilityLabel={label}
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>
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<Text style={[styles.actionBtnIcon, { color: loading ? '#52525b' : accent }]}>
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{loading ? '…' : icon}
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</Text>
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</Pressable>
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);
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}
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const styles = StyleSheet.create({
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container: { flex: 1, backgroundColor: '#09090b' },
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headerRow: {
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flexDirection: 'row', alignItems: 'center', justifyContent: 'space-between',
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paddingHorizontal: 16, paddingTop: 60, paddingBottom: 12,
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},
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header: { color: '#fff', fontSize: 22, fontWeight: '700' },
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actionButtons: { flexDirection: 'row', gap: 8 },
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actionBtn: {
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width: 36, height: 36, borderRadius: 8,
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alignItems: 'center', justifyContent: 'center',
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},
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actionBtnDisabled: { opacity: 0.4 },
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actionBtnIcon: { fontSize: 18, fontWeight: '700', lineHeight: 22 },
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cancelButton: {
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backgroundColor: '#27272a', borderRadius: 8,
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paddingHorizontal: 14, paddingVertical: 7,
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},
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cancelText: { color: '#a1a1aa', fontSize: 13, fontWeight: '600' },
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msgOk: { color: '#86efac', fontSize: 12, textAlign: 'center', paddingHorizontal: 16, paddingBottom: 8 },
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msgErr: { color: '#fca5a5', fontSize: 12, textAlign: 'center', paddingHorizontal: 16, paddingBottom: 8 },
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searchRow: { paddingHorizontal: 16, paddingBottom: 10 },
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searchInput: {
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backgroundColor: '#18181b', borderWidth: 1, borderColor: '#27272a',
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borderRadius: 8, paddingHorizontal: 12, paddingVertical: 8,
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color: '#f4f4f5', fontSize: 14,
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},
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list: { padding: 16, gap: 12, paddingBottom: 80 },
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empty: {
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flex: 1, alignItems: 'center', justifyContent: 'center', padding: 32,
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},
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emptyIcon: { fontSize: 48, marginBottom: 16 },
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emptyTitle: { color: '#f4f4f5', fontSize: 18, fontWeight: '600', marginBottom: 8 },
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emptyBody: { color: '#71717a', fontSize: 14, textAlign: 'center', lineHeight: 20 },
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actionBar: {
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position: 'absolute', bottom: 0, left: 0, right: 0,
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backgroundColor: '#18181b', borderTopWidth: 1, borderTopColor: '#27272a',
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paddingHorizontal: 16, paddingVertical: 12, paddingBottom: 28,
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},
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deleteBarButton: {
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backgroundColor: '#7f1d1d', borderRadius: 10,
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paddingVertical: 14, alignItems: 'center',
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},
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deleteBarText: { color: '#fca5a5', fontSize: 15, fontWeight: '700' },
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});
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