feat: Phase 0 mobile app scaffold — Expo 55, SQLite, Feed/Import/Settings screens

2026-04-24 10:39:06 +02:00
parent 565f5a3ff1
commit b37df88fe1
17 changed files with 1076 additions and 0 deletions
@@ -0,0 +1,170 @@
+import * as DocumentPicker from 'expo-document-picker';
+import * as FileSystem from 'expo-file-system';
+import { useSQLiteContext } from 'expo-sqlite';
+import { useState } from 'react';
+import { Alert, Pressable, ScrollView, StyleSheet, Text, View } from 'react-native';
+import { insertActivity } from '@/db/queries';
+
+type ImportState =
+  | { status: 'idle' }
+  | { status: 'loading' }
+  | { status: 'done'; title: string; id: string }
+  | { status: 'error'; message: string };
+
+export default function ImportScreen() {
+  const db = useSQLiteContext();
+  const [state, setState] = useState<ImportState>({ status: 'idle' });
+
+  async function pickFile() {
+    setState({ status: 'loading' });
+    try {
+      const result = await DocumentPicker.getDocumentAsync({
+        type: ['*/*'],
+        copyToCacheDirectory: true,
+      });
+      if (result.canceled || !result.assets?.[0]) {
+        setState({ status: 'idle' });
+        return;
+      }
+
+      const asset = result.assets[0];
+      const name = asset.name ?? '';
+      const uri = asset.uri;
+      const lower = name.toLowerCase();
+
+      if (lower.endsWith('.json')) {
+        await importBasJson(uri, db);
+        const detail = JSON.parse(await FileSystem.readAsStringAsync(uri));
+        setState({ status: 'done', title: detail.title ?? detail.id, id: detail.id });
+      } else if (['.fit', '.gpx', '.tcx', '.fit.gz', '.gpx.gz', '.tcx.gz'].some(ext => lower.endsWith(ext))) {
+        // Phase 1: Pyodide extraction. Placeholder for now.
+        Alert.alert(
+          'Extraction coming in Phase 1',
+          `File "${name}" received. FIT/GPX/TCX extraction via Pyodide will be added in Phase 1. For now, you can import a pre-extracted BAS .json file.`,
+        );
+        setState({ status: 'idle' });
+      } else {
+        setState({ status: 'error', message: `Unsupported file type: ${name}` });
+      }
+    } catch (e: unknown) {
+      setState({ status: 'error', message: e instanceof Error ? e.message : String(e) });
+    }
+  }
+
+  async function importBasJson(uri: string, dbCtx: typeof db) {
+    const text = await FileSystem.readAsStringAsync(uri);
+    const detail = JSON.parse(text);
+
+    if (!detail.id || !detail.started_at) {
+      throw new Error('Not a valid BAS activity JSON (missing id or started_at)');
+    }
+
+    // Simple hash: SHA-256 not available without a library, use content length + id as stand-in.
+    // Phase 1 will use a proper hash.
+    const hash = `${detail.id}-${text.length}`;
+
+    // Copy to permanent storage
+    const origDir = `${FileSystem.documentDirectory}originals/`;
+    await FileSystem.makeDirectoryAsync(origDir, { intermediates: true });
+    const dest = `${origDir}${detail.id}.json`;
+    await FileSystem.copyAsync({ from: uri, to: dest });
+
+    await insertActivity(dbCtx, {
+      id: detail.id,
+      source_hash: hash,
+      detail_json: text,
+      timeseries_json: null,
+      geojson: null,
+      original_path: dest,
+      origin: 'local',
+    });
+  }
+
+  return (
+    <ScrollView style={styles.container} contentContainerStyle={styles.content}>
+      <Text style={styles.header}>Import</Text>
+
+      <Text style={styles.body}>
+        Import a FIT, GPX, or TCX file to extract and store it locally.
+        You can also import a pre-extracted BAS <Text style={styles.code}>.json</Text> file directly.
+      </Text>
+
+      <Pressable
+        style={[styles.button, state.status === 'loading' && styles.buttonDisabled]}
+        onPress={state.status !== 'loading' ? pickFile : undefined}
+      >
+        <Text style={styles.buttonText}>
+          {state.status === 'loading' ? 'Importing…' : '＋ Pick file'}
+        </Text>
+      </Pressable>
+
+      {state.status === 'done' && (
+        <View style={styles.success}>
+          <Text style={styles.successText}>✓ Imported: {state.title}</Text>
+        </View>
+      )}
+
+      {state.status === 'error' && (
+        <View style={styles.error}>
+          <Text style={styles.errorText}>{state.message}</Text>
+        </View>
+      )}
+
+      <View style={styles.divider} />
+
+      <Text style={styles.sectionTitle}>Supported formats</Text>
+      {[
+        ['FIT', 'Garmin, Wahoo, Karoo native format'],
+        ['GPX', 'Most GPS devices and apps'],
+        ['TCX', 'Garmin Training Center'],
+        ['BAS JSON', 'Pre-extracted Bincio format'],
+      ].map(([fmt, desc]) => (
+        <View key={fmt} style={styles.formatRow}>
+          <Text style={styles.formatName}>{fmt}</Text>
+          <Text style={styles.formatDesc}>{desc}</Text>
+        </View>
+      ))}
+
+      <View style={styles.notice}>
+        <Text style={styles.noticeText}>
+          FIT/GPX/TCX extraction runs entirely on your device via the Bincio
+          extraction engine. No data is uploaded.
+        </Text>
+      </View>
+    </ScrollView>
+  );
+}
+
+const styles = StyleSheet.create({
+  container: { flex: 1, backgroundColor: '#09090b' },
+  content: { padding: 16, paddingTop: 60, paddingBottom: 40 },
+  header: { color: '#fff', fontSize: 22, fontWeight: '700', marginBottom: 12 },
+  body: { color: '#a1a1aa', fontSize: 14, lineHeight: 20, marginBottom: 24 },
+  code: { color: '#60a5fa', fontFamily: 'monospace' },
+  button: {
+    backgroundColor: '#2563eb', borderRadius: 10,
+    paddingVertical: 14, alignItems: 'center', marginBottom: 16,
+  },
+  buttonDisabled: { opacity: 0.5 },
+  buttonText: { color: '#fff', fontWeight: '600', fontSize: 16 },
+  success: {
+    backgroundColor: '#14532d', borderRadius: 8,
+    padding: 12, marginBottom: 16,
+  },
+  successText: { color: '#86efac', fontSize: 14 },
+  error: {
+    backgroundColor: '#450a0a', borderRadius: 8,
+    padding: 12, marginBottom: 16,
+  },
+  errorText: { color: '#fca5a5', fontSize: 14 },
+  divider: { height: 1, backgroundColor: '#27272a', marginVertical: 24 },
+  sectionTitle: { color: '#a1a1aa', fontSize: 12, fontWeight: '600', marginBottom: 12, letterSpacing: 0.5 },
+  formatRow: { flexDirection: 'row', gap: 12, marginBottom: 10 },
+  formatName: { color: '#f4f4f5', fontSize: 13, fontWeight: '600', width: 72 },
+  formatDesc: { color: '#71717a', fontSize: 13, flex: 1 },
+  notice: {
+    marginTop: 8, backgroundColor: '#18181b',
+    borderRadius: 8, padding: 12, borderWidth: 1, borderColor: '#27272a',
+  },
+  noticeText: { color: '#71717a', fontSize: 12, lineHeight: 18 },
+});