lifegpc/eh_downloader_flutter
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Add size property to database

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lifegpc
2024-05-27 08:55:30 +08:00
parent 538a907f48
commit 2d7318e296
1 changed files with 32 additions and 2 deletions
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34
lib/platform/image_cache_io.dart
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@@ -16,6 +16,7 @@ path TEXT,
last_used INT, last_used INT,
headers TEXT, headers TEXT,
realUrl TEXT, realUrl TEXT,
size INT,
PRIMARY KEY(url) PRIMARY KEY(url)
);"""; );""";
const _allTables = ['images']; const _allTables = ['images'];
@@ -29,6 +30,7 @@ class ImageCaches {
String? _exeDir; String? _exeDir;
final Set<String> _existingTable = {}; final Set<String> _existingTable = {};
bool _inited = false; bool _inited = false;
static const version = 1;
ImageCaches(); ImageCaches();
Future<String?> _desktopFilePath() async { Future<String?> _desktopFilePath() async {
final String? exe = await platformPath.getCurrentExe(); final String? exe = await platformPath.getCurrentExe();
@@ -70,6 +72,30 @@ class ImageCaches {
await _updateExistsTable(); await _updateExistsTable();
final v = await _db!.getVersion(); final v = await _db!.getVersion();
_log.fine("Database version: $v"); _log.fine("Database version: $v");
if (v < version) {
bool needOptimized = false;
if (v < 1 && _existingTable.contains("images")) {
await _db!.execute("ALTER TABLE images ADD size INT;");
final re = await _db!.query("images", columns: ['url', 'path']);
for (final r in re) {
final f = _fs.file(r["path"] as String);
try {
final stats = await f.stat();
Map<String, Object?> map = {};
map["size"] = stats.size;
await _db!
.update("images", map, where: 'url = ?', whereArgs: [r["url"]]);
} catch (e) {
_log.warning("Failed to stat ${f.path}: $e");
await _db!
.delete("images", where: 'url = ?', whereArgs: [r["url"]]);
needOptimized = true;
}
}
}
await _db!.setVersion(version);
if (needOptimized) await _optimize();
}
if (_allTables.length != _existingTable.length || if (_allTables.length != _existingTable.length ||
!_allTables.every((e) => _existingTable.contains(e))) { !_allTables.every((e) => _existingTable.contains(e))) {
return false; return false;
@@ -93,6 +119,10 @@ class ImageCaches {
} }
} }
Future<void> _optimize() async {
await _db!.execute("VACUUM;");
}
Future<void> init() async { Future<void> init() async {
sqfliteFfiInit(); sqfliteFfiInit();
_db = await databaseFactoryFfi.openDatabase(await _filePath); _db = await databaseFactoryFfi.openDatabase(await _filePath);
@@ -157,7 +187,7 @@ class ImageCaches {
p = path.relative(p, from: _exeDir!); p = path.relative(p, from: _exeDir!);
} }
await _db!.rawInsert( await _db!.rawInsert(
"INSERT OR REPLACE INTO images VALUES (?, ?, ?, ?, ?);", "INSERT OR REPLACE INTO images VALUES (?, ?, ?, ?, ?, ?);",
[uri, p, lastUsed, header, realUri]); [uri, p, lastUsed, header, realUri, data.length]);
} }
} }