private async Task Start()
{
var settings = Settings();
var connectionPolicy = new ConnectionPolicy
{
ConnectionMode = ConnectionMode.Direct,
ConnectionProtocol = Protocol.Tcp,
MaxConnectionLimit = 100
};
this.client = new DocumentClient(new Uri(settings.CosmosEndpointUri), settings.CosmosPrimaryKey, connectionPolicy);
var gtfsDataFolder = await DownloadGtfsData(settings);
await CreateCollectionIfNotExists(settings);
// Read the downloaded. None of the data is processed here, it's
// just loaded into objects to be processed later.
var rawData = new TransitFeedData().Read(gtfsDataFolder);
// Convert the transit feed from raw data objects to the structure
// to be uploaded to Cosmos.
var processedData = new ProcessedTransitFeedData().Process(rawData);
await WriteDataToCosmos(settings.CosmosDatabaseName, settings.CosmosCollectionName, processedData);
}
private async Task WriteDataToCosmos(string databaseName, string collectionName, ProcessedTransitFeedData data)
{
var documentCollection = UriFactory.CreateDocumentCollectionUri(databaseName, collectionName);
await CreateDocumentsAsync(documentCollection, data.Stops);
await CreateDocumentsAsync(documentCollection, data.Trips);
}