// Get or Set objectId pool for the tenant devices
private async Task GetOrSetObjectIdsPoolAsync()
{
_logger.LogInformation("Setting up devices objectId pool...");
var poolFilePath = _configuration["ObjectIdsPoolFilePath"];
if (await TryLoadExistingPoolFromFileAsync(poolFilePath).ConfigureAwait(false))
{
return;
}
_logger.LogInformation("ObjectId pool doesn't exist. Creating a new one...");
_objectIdsPool = new ObjectIdsPool {
Tenants = new List <Tenant>()
};
foreach (var tenant in _tenantDeviceClients)
{
var tnt = new Tenant
{
Id = tenant.Key.Id,
Devices = new List <TenantDevice>()
};
foreach (var deviceClient in tenant.Value)
{
tnt.Devices.Add(new TenantDevice
{
DeviceId = deviceClient.DeviceId,
ObjectId = Guid.NewGuid()
});
}
_objectIdsPool.Tenants.Add(tnt);
}
using var writeStream = new FileStream(poolFilePath, FileMode.Create, FileAccess.Write);
await JsonSerializer.SerializeAsync(writeStream, _objectIdsPool).ConfigureAwait(false);
_logger.LogInformation("Device objectId pool successfully set up.");
}
private async Task <bool> TryLoadExistingPoolFromFileAsync(string poolFilePath)
{
if (!File.Exists(poolFilePath))
{
return(false);
}
_logger.LogInformation("ObjectId pool exists. Reading...");
using var readStream = new FileStream(poolFilePath, FileMode.Open);
_objectIdsPool = await JsonSerializer.DeserializeAsync <ObjectIdsPool>(readStream).ConfigureAwait(false);
if (_tenantDeviceClients.Count != _objectIdsPool.Tenants.Count)
{
_objectIdsPool = null;
return(false);
}
foreach (var tenant in _tenantDeviceClients)
{
var poolTenant = _objectIdsPool.Tenants.FirstOrDefault(t => t.Id == tenant.Key.Id);
if (poolTenant == null)
{
_objectIdsPool = null;
return(false);
}
if (poolTenant.Devices.Count != tenant.Value.Count)
{
_objectIdsPool = null;
return(false);
}
}
return(true);
}
