private async Task CreateDeviceCollection()
{
string response;
string endpoint = string.Format("{0}dbs/{1}/colls", _docDbEndpoint, _dbId);
JObject body = new JObject();
body.Add("id", _collectionName);
using (WebClient client = new WebClient())
{
BuildHeaders(client);
client.Headers.Add(AUTHORIZATION_HEADER_KEY, GetAuthorizationToken("POST", COLLECTION_RESOURCE_TYPE, _dbId));
response = await AzureRetryHelper.OperationWithBasicRetryAsync <string>(async() =>
await client.UploadStringTaskAsync(endpoint, "POST", body.ToString()));
object json = JObject.Parse(response);
_collectionId =
ReflectionHelper.GetNamedPropertyValue(
json,
"_rid",
true,
false).ToString();
}
}
public async Task InitializeDeviceCollection()
{
IEnumerable collections;
string topResponse;
string endpoint = string.Format("{0}dbs/{1}/colls", _docDbEndpoint, _dbId);
using (WebClient client = new WebClient())
{
BuildHeaders(client);
client.Headers.Add(AUTHORIZATION_HEADER_KEY, GetAuthorizationToken("GET", COLLECTION_RESOURCE_TYPE, _dbId));
topResponse = await AzureRetryHelper.OperationWithBasicRetryAsync <string>(async() =>
await client.DownloadStringTaskAsync(endpoint));
}
object topJson = JObject.Parse(topResponse);
collections =
ReflectionHelper.GetNamedPropertyValue(
topJson,
"DocumentCollections",
true,
false) as IEnumerable;
if (collections != null)
{
foreach (object col in collections)
{
object id =
ReflectionHelper.GetNamedPropertyValue(
col,
"id",
true,
false);
if ((id != null) &&
(id.ToString() == this._collectionName))
{
object rid =
ReflectionHelper.GetNamedPropertyValue(
col,
"_rid",
true,
false);
if (rid != null)
{
this._collectionId = rid.ToString();
return;
}
}
}
}
if (string.IsNullOrWhiteSpace(_collectionId))
{
await CreateDeviceCollection();
}
}
/// <summary>
/// Update the record for an existing device.
/// </summary>
/// <param name="updatedDevice"></param>
/// <returns></returns>
public async Task <JObject> UpdateDeviceAsync(dynamic updatedDevice)
{
string rid = DeviceSchemaHelper.GetDocDbRid(updatedDevice);
WebClient client = new WebClient();
BuildHeaders(client);
client.Headers.Add(AUTHORIZATION_HEADER_KEY, GetAuthorizationToken("PUT", DOCUMENTS_RESOURCE_TYPE, rid));
string endpoint = string.Format("{0}dbs/{1}/colls/{2}/docs/{3}", _docDbEndpoint, _dbId, _collectionId, rid);
string response = await AzureRetryHelper.OperationWithBasicRetryAsync <string>(async() =>
await client.UploadStringTaskAsync(endpoint, "PUT", updatedDevice.ToString()));
return(JObject.Parse(response));
}
public async Task <JObject> SaveNewDeviceAsync(dynamic device)
{
WebClient client = new WebClient();
BuildHeaders(client);
client.Headers.Add(AUTHORIZATION_HEADER_KEY, GetAuthorizationTokenForDeviceManagementCollectionQuery("POST"));
string endpoint = string.Format("{0}dbs/{1}/colls/{2}/docs", _docDbEndpoint, _dbId, _collectionId);
if (device.id == null)
{
device.id = Guid.NewGuid().ToString();
}
string response = await AzureRetryHelper.OperationWithBasicRetryAsync <string>(async() =>
await client.UploadStringTaskAsync(endpoint, "POST", device.ToString()));
return(JObject.Parse(response));
}
/// <summary>
///
/// https://msdn.microsoft.com/en-us/library/azure/dn783363.aspx
/// </summary>
/// <param name="queryString"></param>
/// <param name="queryParameters"></param>
/// <returns></returns>
public async Task <DocDbRestQueryResult> QueryDeviceDbAsync(
string queryString, Dictionary <string, Object> queryParams, int pageSize = -1, string continuationToken = null)
{
WebClient client = new WebClient();
BuildHeaders(client);
client.Headers.Set("Content-Type", "application/query+json");
client.Headers.Add(AUTHORIZATION_HEADER_KEY, GetAuthorizationTokenForDeviceManagementCollectionQuery("POST"));
client.Headers.Add("x-ms-documentdb-isquery", "true");
if (pageSize >= 0)
{
client.Headers.Add("x-ms-max-item-count", pageSize.ToString());
}
if (continuationToken != null && continuationToken.Length > 0)
{
client.Headers.Add("x-ms-continuation", continuationToken);
}
JObject body = new JObject();
body.Add("query", queryString);
if (queryParams != null && queryParams.Count > 0)
{
JArray paramsArray = new JArray();
foreach (string key in queryParams.Keys)
{
JObject param = new JObject();
param.Add("name", key);
param.Add("value", JToken.FromObject(queryParams[key]));
paramsArray.Add(param);
}
body.Add("parameters", paramsArray);
}
string endpoint = string.Format("{0}dbs/{1}/colls/{2}/docs", _docDbEndpoint, _dbId, _collectionId);
DocDbRestQueryResult result = new DocDbRestQueryResult();
string response = await AzureRetryHelper.OperationWithBasicRetryAsync <string>(async() =>
await client.UploadStringTaskAsync(endpoint, "POST", body.ToString()));
JObject responseJobj = JObject.Parse(response);
JToken documents = responseJobj.GetValue("Documents");
if (documents != null)
{
result.Documents = (JArray)documents;
}
WebHeaderCollection responseHeaders = client.ResponseHeaders;
string count = responseHeaders["x-ms-item-count"];
if (!string.IsNullOrEmpty(count))
{
result.TotalDocuments = int.Parse(count);
}
result.ContinuationToken = responseHeaders["x-ms-continuation"];
return(result);
}
