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Elwig: Add BackupService
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lorenz.stechauner
2026-08-26 10:39:50 +02:00
parent 163fe0fac8
commit ca5b719630
12 changed files with 267 additions and 84 deletions
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Elwig/Helpers/Export/Database.cs
+68 -56
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@@ -18,73 +18,85 @@ namespace Elwig.Helpers.Export {
}
public static async Task ExportSqlite(string filename, bool zipFile) {
if (zipFile) {
File.Delete(filename);
using var zip = ZipFile.Open(filename, ZipArchiveMode.Create);
var tmp = filename + ".tmp";
try {
File.Delete(tmp);
if (zipFile) {
using var zip = ZipFile.Open(tmp, ZipArchiveMode.Create);
var version = zip.CreateEntry("version", CompressionLevel.NoCompression);
using (var writer = new StreamWriter(version.Open(), Utils.UTF8)) {
await writer.WriteAsync("elwig:1");
var version = zip.CreateEntry("version", CompressionLevel.NoCompression);
using (var writer = new StreamWriter(version.Open(), Utils.UTF8)) {
await writer.WriteAsync("elwig:1");
}
var (applId, userVers, schemaVers, size) = await GetMeta();
var meta = zip.CreateEntry("meta.json", CompressionLevel.NoCompression);
using (var writer = new StreamWriter(meta.Open(), Utils.UTF8)) {
var obj = new JsonObject {
["timestamp"] = $"{DateTime.UtcNow:yyyy-MM-ddTHH:mm:ssZ}",
["zwstid"] = App.ZwstId,
["device"] = Environment.MachineName,
["database"] = new JsonObject {
["application_id"] = applId,
["user_version"] = userVers,
["schema_version"] = schemaVers,
["file_size"] = size,
},
};
await writer.WriteAsync(obj.ToJsonString(Utils.JsonOpts));
}
var db = zip.CreateEntryFromFile(App.Config.DatabaseFile, "database.sqlite3", CompressionLevel.SmallestSize);
} else {
File.Copy(App.Config.DatabaseFile, tmp);
}
var (applId, userVers, schemaVers, size) = await GetMeta();
var meta = zip.CreateEntry("meta.json", CompressionLevel.NoCompression);
using (var writer = new StreamWriter(meta.Open(), Utils.UTF8)) {
var obj = new JsonObject {
["timestamp"] = $"{DateTime.UtcNow:yyyy-MM-ddTHH:mm:ssZ}",
["zwstid"] = App.ZwstId,
["device"] = Environment.MachineName,
["database"] = new JsonObject {
["application_id"] = applId,
["user_version"] = userVers,
["schema_version"] = schemaVers,
["file_size"] = size,
},
};
await writer.WriteAsync(obj.ToJsonString(Utils.JsonOpts));
}
var db = zip.CreateEntryFromFile(App.Config.DatabaseFile, "database.sqlite3", CompressionLevel.SmallestSize);
} else {
File.Copy(App.Config.DatabaseFile, filename, true);
File.Move(tmp, filename, true);
} finally {
File.Delete(tmp);
}
}
public static async Task ExportSql(string filename, bool zipFile) {
if (zipFile) {
File.Delete(filename);
using var zip = ZipFile.Open(filename, ZipArchiveMode.Create);
var tmp = filename + ".tmp";
try {
File.Delete(tmp);
if (zipFile) {
using var zip = ZipFile.Open(tmp, ZipArchiveMode.Create);
var version = zip.CreateEntry("version", CompressionLevel.NoCompression);
using (var writer = new StreamWriter(version.Open(), Utils.UTF8)) {
await writer.WriteAsync("elwig:1");
}
var version = zip.CreateEntry("version", CompressionLevel.NoCompression);
using (var writer = new StreamWriter(version.Open(), Utils.UTF8)) {
await writer.WriteAsync("elwig:1");
}
var (applId, userVers, schemaVers, size) = await GetMeta();
var meta = zip.CreateEntry("meta.json", CompressionLevel.NoCompression);
using (var writer = new StreamWriter(meta.Open(), Utils.UTF8)) {
var obj = new JsonObject {
["timestamp"] = $"{DateTime.UtcNow:yyyy-MM-ddTHH:mm:ssZ}",
["zwstid"] = App.ZwstId,
["device"] = Environment.MachineName,
["database"] = new JsonObject {
["application_id"] = applId,
["user_version"] = userVers,
["schema_version"] = schemaVers,
["file_size"] = size,
},
};
await writer.WriteAsync(obj.ToJsonString(Utils.JsonOpts));
}
var (applId, userVers, schemaVers, size) = await GetMeta();
var meta = zip.CreateEntry("meta.json", CompressionLevel.NoCompression);
using (var writer = new StreamWriter(meta.Open(), Utils.UTF8)) {
var obj = new JsonObject {
["timestamp"] = $"{DateTime.UtcNow:yyyy-MM-ddTHH:mm:ssZ}",
["zwstid"] = App.ZwstId,
["device"] = Environment.MachineName,
["database"] = new JsonObject {
["application_id"] = applId,
["user_version"] = userVers,
["schema_version"] = schemaVers,
["file_size"] = size,
},
};
await writer.WriteAsync(obj.ToJsonString(Utils.JsonOpts));
}
var sql = zip.CreateEntry("database.sql", CompressionLevel.SmallestSize);
using (var writer = new StreamWriter(sql.Open(), Utils.UTF8)) {
var sql = zip.CreateEntry("database.sql", CompressionLevel.SmallestSize);
using (var writer = new StreamWriter(sql.Open(), Utils.UTF8)) {
await ExportSql(writer);
}
} else {
using var stream = File.OpenWrite(tmp);
using var writer = new StreamWriter(stream, Utils.UTF8);
await ExportSql(writer);
}
} else {
using var stream = File.OpenWrite(filename);
using var writer = new StreamWriter(stream, Utils.UTF8);
await ExportSql(writer);
File.Move(tmp, filename, true);
} finally {
File.Delete(tmp);
}
}