public async Task <bool> RemoveStringFromHashField(string hashSet, string key, string value)
{
var mutex = Semaphores.GetIndexSemaphore(hashSet, key);
await mutex.WaitAsync();
try
{
var field = await GetHashField(hashSet, key);
if (!string.IsNullOrEmpty(field))
{
field = string.Join(",", field.Split(',').Where(x => x != value));
}
if (string.IsNullOrEmpty(field))
{
return(await _redisDatabase.HashDeleteAsync(hashSet.ToLower(), key.ToLower()));
}
return(await SetHashField(hashSet, key, Helpers.SerializeRedisValue(field)));
}
finally
{
mutex.Release();
}
}
public async Task <bool> AppendStringToHashField(string hashSet, string key, string value)
{
var mutex = Semaphores.GetIndexSemaphore(hashSet, key);
await mutex.WaitAsync();
try
{
var field = await GetHashField(hashSet, key);
if (string.IsNullOrEmpty(field))
{
field = value;
}
else if (field.Split(',').All(x => x != value))
{
field += "," + value;
}
return(await SetHashField(hashSet, key, Helpers.SerializeRedisValue(field)));
}
finally
{
mutex.Release();
}
}
