static void Main(string[] args)
{
var serviceCollection = new ServiceCollection();
var serviceProvider = ConfigureLog(serviceCollection);
var logger = serviceProvider.GetService <ILogger <Program> >();
TopperImportExportConfig topperImportExportConfig = ReadConfiguration(logger, args);
serviceProvider = ConfigureServices(serviceCollection, topperImportExportConfig);
if (topperImportExportConfig.OperationType == OperationType.Export)
{
ExecuteExport(logger, serviceProvider, topperImportExportConfig);
}
else if (topperImportExportConfig.OperationType == OperationType.Import)
{
ExecuteImport(logger, serviceProvider, topperImportExportConfig);
}
}
private static ServiceProvider ConfigureServices(ServiceCollection serviceCollection, TopperImportExportConfig topperImportExportConfig)
{
serviceCollection.AddSingleton <IRepository <TopItem> >(r => new Repository <TopItem>(r.GetRequiredService <ILogger <Repository <TopItem> > >(), topperImportExportConfig.CosmosDbConfig, topperImportExportConfig.Collection));
serviceCollection.AddSingleton <IRepository <TopItemWithPartitionKey> >(r => new Repository <TopItemWithPartitionKey>(r.GetRequiredService <ILogger <Repository <TopItemWithPartitionKey> > >(), topperImportExportConfig.CosmosDbConfig, topperImportExportConfig.Collection));
return(serviceCollection.BuildServiceProvider());
}
private static void ExecuteExport(ILogger <Program> logger, ServiceProvider serviceProvider, TopperImportExportConfig topperImportExportConfig)
{
int noOfItemsExported = 0;
if (topperImportExportConfig.CosmosDbConfig.CosmosDbCollections
.FirstOrDefault(c => c.CollectionId == topperImportExportConfig.Collection).TypeOfItem == typeof(TopItem).Name)
{
noOfItemsExported = new Exporter <TopItem>(
serviceProvider.GetService <ILogger <Exporter <TopItem> > >(),
serviceProvider.GetService <IRepository <TopItem> >())
.Export(topperImportExportConfig.Csv);
}
if (topperImportExportConfig.CosmosDbConfig.CosmosDbCollections
.FirstOrDefault(c => c.CollectionId == topperImportExportConfig.Collection).TypeOfItem == typeof(TopItemWithPartitionKey).Name)
{
noOfItemsExported = new Exporter <TopItemWithPartitionKey>(
serviceProvider.GetService <ILogger <Exporter <TopItemWithPartitionKey> > >(),
serviceProvider.GetService <IRepository <TopItemWithPartitionKey> >())
.Export(topperImportExportConfig.Csv);
}
logger.LogInformation("Exported: {0} items from collection {1}", noOfItemsExported, topperImportExportConfig.Collection);
}
private static void ExecuteImport(ILogger <Program> logger, ServiceProvider serviceProvider, TopperImportExportConfig topperImportExportConfig)
{
int noOfItemsImported = 0;
if (topperImportExportConfig.CosmosDbConfig.CosmosDbCollections
.FirstOrDefault(c => c.CollectionId == topperImportExportConfig.Collection).TypeOfItem == typeof(TopItem).Name)
{
var repository = serviceProvider.GetService <IRepository <TopItem> >();
repository.OpenConnection();
noOfItemsImported = new Importer <TopItem>(
serviceProvider.GetService <ILogger <Importer <TopItem> > >(),
repository
)
.Import(topperImportExportConfig.Csv, topperImportExportConfig.ImportTransformations);
}
if (topperImportExportConfig.CosmosDbConfig.CosmosDbCollections
.FirstOrDefault(c => c.CollectionId == topperImportExportConfig.Collection).TypeOfItem == typeof(TopItemWithPartitionKey).Name)
{
var repository = serviceProvider.GetService <IRepository <TopItemWithPartitionKey> >();
repository.OpenConnection();
noOfItemsImported = new Importer <TopItemWithPartitionKey>(
serviceProvider.GetService <ILogger <Importer <TopItemWithPartitionKey> > >(),
repository)
.Import(topperImportExportConfig.Csv, topperImportExportConfig.ImportTransformations);
}
logger.LogInformation("Imported: {0} items in collection {1}", noOfItemsImported, topperImportExportConfig.Collection);
}
