public async Task <string> Post(Uri uri, object data)
{
var w = Stopwatch.StartNew();
var json = Jsonizer.Serialize(data);
while (true)
{
using (var content = new StringContent(json, Encoding.UTF8, "application/json"))
using (var response = await _client.PostAsync(uri, content))
{
var message = await response.Content.ReadAsStringAsync();
if (response.IsSuccessStatusCode)
{
return(message);
}
if (response.StatusCode.EqualsAny(HttpStatusCode.BadGateway, HttpStatusCode.InternalServerError))
{
if (w.Elapsed.TotalMinutes < 15)
{
await Task.Delay(5000);
continue;
}
}
Loggers.Error(message);
response.EnsureSuccessStatusCode();
return(null);
}
}
}
public T Deserialize <T>(string json)
{
try
{
//still need to find a way to detect if properties are missing
return(Jsonizer.Deserialize <T>(json));
}
catch (Exception e)
{
Loggers.Warn(e.Message);
}
return(Jsonizer.Deserialize <T>(json));
}
private async Task InitializeFromZip(ZipArchive zip)
{
foreach (var entry in zip.Entries)
{
using var stream = entry.Open();
var item = await Jsonizer.DeserializeAsync <T>(stream);
foreach (var upsert in _upserters)
{
await upsert(new JsonTransaction <T>
{
Item = item,
Write = false,
});
}
}
}
public override string ToString() => Jsonizer.Serialize(this);
public Func <Key, ValueTask <T> > CreatePrimaryKey <Key>(Expression <Func <T, Key> > keySelectorExpression)
{
keySelectorExpression.NotNull(nameof(keySelectorExpression));
if (!_primaryKeyCreated.TrySet(true))
{
throw new Exception("Primary Key already exists");
}
var keySelector = keySelectorExpression.Compile();
var index = new AtomicDictionary <Key, T>();
_items = index.Values;
_upserters.Add(async transaction =>
{
var key = keySelector(transaction.Item);
if (key is null)
{
throw new Exception($"Upsert failed, key is null. Key: {keySelectorExpression.ToString()}, Document: {typeof(T).FullName}");
}
if (transaction.Write && _settings.DataDir.IsNotNullOrWhiteSpace())
{
var zipFile = GetFile(key.ToString());
var zipPath = zipFile.FullName;
using (await _fileLocks.GetOrAdd(zipPath).EnterAsync())
{
var tempFile = new FileInfo($"{zipPath}.temp");
using (var zip = ZipFile.Open(tempFile.FullName, ZipArchiveMode.Update))
{
var name = zipFile.Name.SkipLast(zipFile.Extension.Length).AsString();
using var stream = zip.CreateEntry(name, CompressionLevel.Optimal).Open();
await Jsonizer.SerializeAsync(transaction.Item, stream);
}
await tempFile.MoveAsync(zipFile);
}
}
else if (index.ContainsKey(key))
{
throw new Exception($"Duplicate entry found in db.json files. Key: {key}");
}
index[key] = transaction.Item;
});
_deleters.Add(async item =>
{
var key = keySelector(item);
if (key is null)
{
throw new Exception($"Delete failed, key is null. Key: {keySelectorExpression.ToString()}, Document: {typeof(T).FullName}");
}
if (index.TryRemove(key) && _settings.DataDir.IsNotNullOrWhiteSpace())
{
var zip = GetFile(key.ToString());
using (await _fileLocks.GetOrAdd(zip.FullName).EnterAsync())
await zip.DeleteAsync();
}
});
return(async key =>
{
await Initialize();
return index.TryGetValue(key, out var item) ? item : default;
});
}
