public async Task <RewardQueueItem> FindByIndexAsync(int index)
{
if (queueFile.Exists)
{
try
{
await successSemaphore.WaitAsync();
List <RewardQueueItem> items = JsonSerializer.Deserialize <List <RewardQueueItem> >(await File.ReadAllTextAsync(queueFile.FullName), options);
if (items.Count > 0)
{
RewardQueueItem item = items.Find(item => items.IndexOf(item) == (index - 1));
if (item != null)
{
return(item);
}
}
}
catch (Exception e)
{
logger.LogError(e, $"Could not find next queue item by index: {index}");
}
finally
{
successSemaphore.Release();
}
}
return(null);
}
public async Task <RewardQueueItem> DequeueItemAsync()
{
if (queueFile.Exists)
{
try
{
await successSemaphore.WaitAsync();
List <RewardQueueItem> items = JsonSerializer.Deserialize <List <RewardQueueItem> >(await File.ReadAllTextAsync(queueFile.FullName), options);
if (items.Count > 0)
{
RewardQueueItem item = items[0];
if (items.Remove(item))
{
await File.WriteAllTextAsync(queueFile.FullName, JsonSerializer.Serialize(items, options));
logger.LogInformation($"Request: '{item.Request.RewardTitle}' removed from the queue.");
return(item);
}
}
}
catch (Exception e)
{
logger.LogError(e, "Could not dequeue item");
}
finally
{
successSemaphore.Release();
}
}
return(null);
}
private async Task <int> QueueReplayId(RewardQueueItem item)
{
if (!queueFile.Exists)
{
await File.WriteAllTextAsync(queueFile.FullName, JsonSerializer.Serialize(new List <RewardQueueItem> {
item
}, options));
return(1);
}
else
{
List <RewardQueueItem> items = new (JsonSerializer.Deserialize <List <RewardQueueItem> >(await File.ReadAllTextAsync(queueFile.FullName), options)) { item };
await File.WriteAllTextAsync(queueFile.FullName, JsonSerializer.Serialize(items, options));
return(items.Count);
}
}
public async Task <(RewardQueueItem Item, int Position)?> RemoveItemAsync(string login)
{
if (queueFile.Exists)
{
try
{
await successSemaphore.WaitAsync();
List <RewardQueueItem> items = JsonSerializer.Deserialize <List <RewardQueueItem> >(await File.ReadAllTextAsync(queueFile.FullName), options);
if (items.Count > 0)
{
RewardQueueItem item = items.Find(item => item.Request.Login.Equals(login, StringComparison.OrdinalIgnoreCase));
if (item != null)
{
int position = items.IndexOf(item) + 1;
if (items.Remove(item))
{
await File.WriteAllTextAsync(queueFile.FullName, JsonSerializer.Serialize(items, options));
logger.LogInformation($"Request: '{item.Request.RewardTitle}' removed from the queue.");
return(item, position);
}
}
}
}
catch (Exception e)
{
logger.LogError(e, "Could not remove item from queue");
}
finally
{
successSemaphore.Release();
}
}
return(null);
}
private async Task AddToFailedRequestsAsync(RewardQueueItem item)
{
try
{
await failedSemaphore.WaitAsync();
if (failedFile.Exists)
{
List <RewardQueueItem> items = new(JsonSerializer.Deserialize <List <RewardQueueItem> >(await File.ReadAllTextAsync(failedFile.FullName), options)) { item };
await File.WriteAllTextAsync(failedFile.FullName, JsonSerializer.Serialize(items, options));
}
else
{
await File.WriteAllTextAsync(failedFile.FullName, JsonSerializer.Serialize(new List <RewardQueueItem> {
item
}, options));
}
}
finally
{
failedSemaphore.Release();
}
}
