feat(app): seed restaurants, geocode addresses, refresh sharing
This commit is contained in:
JiWoong Sul
192
lib/builders/store_seed_builder.dart
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192
lib/builders/store_seed_builder.dart
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import 'dart:convert';
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import 'dart:io';
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import 'package:build/build.dart';
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import 'package:path/path.dart' as p;
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class StoreSeedBuilder implements Builder {
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StoreSeedBuilder();
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@override
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final Map<String, List<String>> buildExtensions = const {
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'doc/restaurant_data/store.db': [
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'assets/data/store_seed.json',
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'assets/data/store_seed.meta.json',
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],
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};
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@override
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Future<void> build(BuildStep buildStep) async {
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final inputId = buildStep.inputId;
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final bytes = await buildStep.readAsBytes(inputId);
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if (bytes.isEmpty) {
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log.warning('store.db가 비어 있습니다. 시드를 건너뜁니다.');
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return;
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}
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final tempDir = await Directory.systemTemp.createTemp('store_seed_');
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final tempDbPath = p.join(tempDir.path, 'store.db');
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await File(tempDbPath).writeAsBytes(bytes, flush: true);
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final sqlitePath = await _findSqliteBinary();
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if (sqlitePath == null) {
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log.severe('sqlite3 바이너리를 찾을 수 없습니다. 설치 후 다시 시도하세요.');
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return;
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}
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final rows = await _fetchRows(sqlitePath, tempDbPath);
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if (rows.isEmpty) {
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log.warning('restaurants 테이블에서 가져온 행이 없습니다.');
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await tempDir.delete(recursive: true);
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return;
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}
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final newSeeds = rows.map(_seedFromMap).toList();
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final merged = await _mergeWithExisting(buildStep, newSeeds);
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final signature = _buildSignature(bytes);
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final generatedAt = DateTime.now().toUtc().toIso8601String();
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final meta = {
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'version': signature,
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'generatedAt': generatedAt,
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'sourceDb': inputId.path,
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'itemCount': merged.length,
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'sourceSignature': {'hash': signature, 'size': bytes.length},
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};
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final encoder = const JsonEncoder.withIndent(' ');
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await buildStep.writeAsString(
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AssetId(inputId.package, 'assets/data/store_seed.json'),
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'${encoder.convert(merged)}\n',
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);
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await buildStep.writeAsString(
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AssetId(inputId.package, 'assets/data/store_seed.meta.json'),
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'${encoder.convert(meta)}\n',
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);
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await tempDir.delete(recursive: true);
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log.info(
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'store_seed 생성 완료: ${merged.length}개 (sig: $signature, src: ${inputId.path})',
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);
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}
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Future<List<Map<String, dynamic>>> _fetchRows(
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String sqlitePath,
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String dbPath,
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) async {
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const query =
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'SELECT id, province, district, name, title, address, road_address, '
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'latitude, longitude FROM restaurants';
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final result = await Process.run(
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sqlitePath,
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['-json', dbPath, query],
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stdoutEncoding: utf8,
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stderrEncoding: utf8,
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);
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if (result.exitCode != 0) {
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throw StateError('sqlite3 실행 실패: ${result.stderr}');
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}
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final output = result.stdout as String;
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final decoded = jsonDecode(output);
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if (decoded is! List) {
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throw const FormatException('예상치 못한 JSON 포맷입니다.');
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}
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return decoded.cast<Map<String, dynamic>>();
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}
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Map<String, dynamic> _seedFromMap(Map<String, dynamic> map) {
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return {
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'storeId': map['id'] as int,
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'province': (map['province'] as String).trim(),
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'district': (map['district'] as String).trim(),
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'name': (map['name'] as String).trim(),
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'title': (map['title'] as String).trim(),
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'address': (map['address'] as String).trim(),
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'roadAddress': (map['road_address'] as String).trim(),
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'latitude': (map['latitude'] as num).toDouble(),
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'longitude': (map['longitude'] as num).toDouble(),
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};
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}
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Future<List<Map<String, dynamic>>> _mergeWithExisting(
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BuildStep buildStep,
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List<Map<String, dynamic>> newSeeds,
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) async {
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final existingId = AssetId(
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buildStep.inputId.package,
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'assets/data/store_seed.json',
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);
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List<Map<String, dynamic>> existing = [];
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if (await buildStep.canRead(existingId)) {
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final raw = await buildStep.readAsString(existingId);
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try {
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final decoded = jsonDecode(raw);
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if (decoded is List) {
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existing = decoded.cast<Map<String, dynamic>>();
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}
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} catch (_) {
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log.warning('기존 store_seed.json 파싱 실패, 신규 데이터로 대체합니다.');
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}
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}
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final byId = <String, Map<String, dynamic>>{};
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for (final seed in existing) {
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final id = _seedId(seed);
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byId[id] = seed;
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}
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for (final seed in newSeeds) {
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final id = _seedId(seed);
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if (!byId.containsKey(id)) {
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byId[id] = seed;
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continue;
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}
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final isDuplicateByNameAndAddress = byId.values.any((existingSeed) {
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return existingSeed['name'] == seed['name'] &&
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existingSeed['roadAddress'] == seed['roadAddress'];
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});
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if (!isDuplicateByNameAndAddress) {
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byId[id] = seed; // 같은 ID는 최신 값으로 교체
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}
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}
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final merged = byId.values.toList()
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..sort((a, b) => (_seedId(a)).compareTo(_seedId(b)));
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return merged;
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}
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String _seedId(Map<String, dynamic> seed) => 'store-${seed['storeId']}';
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Future<String?> _findSqliteBinary() async {
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try {
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final result = await Process.run('which', ['sqlite3']);
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if (result.exitCode == 0) {
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final path = (result.stdout as String).trim();
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if (path.isNotEmpty) {
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return path;
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}
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}
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} catch (_) {
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return null;
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}
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return null;
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}
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String _buildSignature(List<int> bytes) {
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int hash = 0;
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for (final byte in bytes) {
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hash = (hash * 31 + byte) & 0x7fffffff;
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}
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return hash.toRadixString(16).padLeft(8, '0');
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}
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}
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Builder storeSeedBuilder(BuilderOptions options) => StoreSeedBuilder();
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// ignore_for_file: depend_on_referenced_packages
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