private async Task SaveDeviceProperties(string tenantId, string deploymentId, List <TwinServiceModel> deviceTwins)
{
if (deviceTwins != null)
{
TwinServiceListModel existingDeviceTwins = await this.GetTwins(tenantId, string.Format(DeploymentDevicePropertiesCollection, deploymentId));
if (existingDeviceTwins == null || (existingDeviceTwins != null && existingDeviceTwins.Items.Count == 0))
{
await this.SaveDeviceTwins(tenantId, deploymentId, deviceTwins);
}
else
{
foreach (var deviceTwin in deviceTwins)
{
CosmosOperations storageClient = await CosmosOperations.GetClientAsync();
var existingDeviceTwin = existingDeviceTwins.Items.FirstOrDefault(x => x.DeviceId == deviceTwin.DeviceId);
var value = JsonConvert.SerializeObject(
deviceTwin,
Formatting.Indented,
new JsonSerializerSettings
{
NullValueHandling = NullValueHandling.Ignore,
});
try
{
await storageClient.SaveDocumentAsync(string.Format(DeploymentDevicePropertiesCollection, deploymentId), deviceTwin.DeviceId, new ValueServiceModel()
{
Data = value, ETag = existingDeviceTwin.ETag
}, this.GenerateCollectionLink(tenantId));
}
catch (Exception)
{
}
// archive exisiting Device Twin
var archiveDeviceTwinValue = JsonConvert.SerializeObject(
existingDeviceTwin,
Formatting.Indented,
new JsonSerializerSettings
{
NullValueHandling = NullValueHandling.Ignore,
});
await storageClient.SaveDocumentAsync(string.Format(DeploymentHistoryPropertiesCollection, deploymentId, Guid.NewGuid().ToString()), deviceTwin.DeviceId, new ValueServiceModel()
{
Data = archiveDeviceTwinValue
}, this.GenerateCollectionLink(tenantId));
}
}
}
}
private async Task GetModuleTwins(string tenantId, string query, string continuationToken, List <TwinServiceModel> twins)
{
TwinServiceListModel moduleTwins = null;
moduleTwins = await this.GetModuleTwinsByQueryAsync(tenantId, query, null);
if (moduleTwins != null && moduleTwins.Items.Count() > 0)
{
twins.AddRange(moduleTwins.Items);
if (!string.IsNullOrWhiteSpace(moduleTwins.ContinuationToken))
{
await this.GetModuleTwins(tenantId, query, continuationToken, twins);
}
}
}
private async Task StoreModuleTwinsInStorage(string tenantId, List <TwinServiceModel> moduleTwins, string deploymentId)
{
if (moduleTwins != null && moduleTwins.Count > 0)
{
TwinServiceListModel existingModuleTwins = await this.GetTwins(tenantId, string.Format(DeploymentEdgeModulePropertiesCollection, deploymentId));
if (existingModuleTwins == null || (existingModuleTwins != null && existingModuleTwins.Items.Count == 0))
{
foreach (var moduleTwin in moduleTwins)
{
await this.SaveModuleTwin(tenantId, deploymentId, moduleTwin);
}
}
else
{
foreach (var moduleTwin in moduleTwins)
{
var existingModuleTwin = existingModuleTwins.Items.FirstOrDefault(x => x.ModuleId == moduleTwin.ModuleId && x.DeviceId == moduleTwin.DeviceId);
CosmosOperations storageClient = await CosmosOperations.GetClientAsync();
var value = JsonConvert.SerializeObject(
moduleTwin,
Formatting.Indented,
new JsonSerializerSettings
{
NullValueHandling = NullValueHandling.Ignore,
});
try
{
await storageClient.SaveDocumentAsync(string.Format(DeploymentEdgeModulePropertiesCollection, deploymentId), $"{moduleTwin.DeviceId}-{this.RemoveSpecialCharacters(moduleTwin.ModuleId)}", new ValueServiceModel()
{
Data = value, ETag = existingModuleTwin.ETag
}, this.GenerateCollectionLink(tenantId));
}
catch (Exception)
{
}
// archive exisiting Device Twin
var archiveModuleTwinValue = JsonConvert.SerializeObject(
existingModuleTwin,
Formatting.Indented,
new JsonSerializerSettings
{
NullValueHandling = NullValueHandling.Ignore,
});
try
{
await storageClient.SaveDocumentAsync(string.Format(DeploymentModuleHistoryPropertiesCollection, deploymentId, Guid.NewGuid().ToString()), $"{moduleTwin.DeviceId}-{this.RemoveSpecialCharacters(moduleTwin.ModuleId)}", new ValueServiceModel()
{
Data = archiveModuleTwinValue
}, this.GenerateCollectionLink(tenantId));
}
catch (Exception)
{
}
}
}
}
}