/// <summary>
/// Recreate the Cosmos Client / Container (after a key rotation)
/// </summary>
/// <param name="cosmosUrl">Cosmos URL</param>
/// <param name="cosmosKey">Cosmos Key</param>
/// <param name="cosmosDatabase">Cosmos Database</param>
/// <param name="cosmosCollection">Cosmos Collection</param>
/// <param name="force">force reconnection even if no params changed</param>
/// <returns>Task</returns>
public async Task Reconnect(Uri cosmosUrl, string cosmosKey, string cosmosDatabase, string cosmosCollection, bool force = false)
{
if (cosmosUrl == null)
{
throw new ArgumentNullException(nameof(cosmosUrl));
}
if (force ||
_cosmosDetails.CosmosCollection != cosmosCollection ||
_cosmosDetails.CosmosDatabase != cosmosDatabase ||
_cosmosDetails.CosmosKey != cosmosKey ||
_cosmosDetails.CosmosUrl != cosmosUrl.AbsoluteUri)
{
CosmosConfig d = new CosmosConfig
{
CosmosCollection = cosmosCollection,
CosmosDatabase = cosmosDatabase,
CosmosKey = cosmosKey,
CosmosUrl = cosmosUrl.AbsoluteUri
};
// open and test a new client / container
d.Client = await OpenAndTestCosmosClient(cosmosUrl, cosmosKey, cosmosDatabase, cosmosCollection).ConfigureAwait(false);
d.Container = d.Client.GetContainer(cosmosDatabase, cosmosCollection);
// set the current CosmosDetail
_cosmosDetails = d;
}
}
/// <summary>
/// Extension to allow services.AddDal(url, key, db, coll)
/// </summary>
/// <param name="services">IServiceCollection</param>
/// <param name="cosmosUrl">Cosmos URL</param>
/// <param name="cosmosKey">Cosmos Key</param>
/// <returns>ServiceCollection</returns>
public static IServiceCollection AddCosmosClient(this IServiceCollection services, Uri cosmosUrl, string cosmosKey)
{
if (cosmosUrl == null)
{
throw new ApplicationException("cosmosUrl cannot be null");
}
CosmosConfig config = new CosmosConfig();
CosmosClientOptions options = new CosmosClientOptions
{
RequestTimeout = TimeSpan.FromSeconds(config.Timeout),
MaxRetryAttemptsOnRateLimitedRequests = config.Retries,
MaxRetryWaitTimeOnRateLimitedRequests = TimeSpan.FromSeconds(config.Timeout),
};
CosmosClient client = new CosmosClient(cosmosUrl.AbsoluteUri, cosmosKey, options);
services.AddSingleton <CosmosClient>(client);
return(services);
}
/// <summary>
/// Data Access Layer Constructor
/// </summary>
/// <param name="cosmosUrl">CosmosDB Url</param>
/// <param name="cosmosKey">CosmosDB connection key</param>
/// <param name="cosmosDatabase">CosmosDB Database</param>
/// <param name="cosmosCollection">CosmosDB Collection</param>
public DAL(Uri cosmosUrl, string cosmosKey, string cosmosDatabase, string cosmosCollection)
{
if (cosmosUrl == null)
{
throw new ArgumentNullException(nameof(cosmosUrl));
}
_cosmosDetails = new CosmosConfig
{
MaxRows = MaxPageSize,
Retries = CosmosMaxRetries,
Timeout = CosmosTimeout,
CosmosCollection = cosmosCollection,
CosmosDatabase = cosmosDatabase,
CosmosKey = cosmosKey,
CosmosUrl = cosmosUrl.AbsoluteUri
};
// create the CosmosDB client and container
_cosmosDetails.Client = OpenAndTestCosmosClient(cosmosUrl, cosmosKey, cosmosDatabase, cosmosCollection).GetAwaiter().GetResult();
_cosmosDetails.Container = _cosmosDetails.Client.GetContainer(cosmosDatabase, cosmosCollection);
}
