/// <summary>
/// Implementation of exporting an entity.
/// </summary>
/// <remarks>
/// This has been split to try and capture the common code shared by a PlatformConfigure export and a console export.
/// </remarks>
/// <param name="tenantId">The tenant</param>
/// <param name="entityIds">The entity</param>
/// <param name="target">The target</param>
/// <param name="context">Processing context.</param>
/// <param name="demandReadPermission">If true, perform a read demand as the current user.</param>
internal void ExportEntity(long tenantId, IEnumerable <long> entityIds, IDataTarget target, IProcessingContext context, bool demandReadPermission)
{
using (IDataSource source = new TenantGraphSource {
TenantId = tenantId,
RootEntities = entityIds.ToList( ),
DemandReadPermission = demandReadPermission
})
{
if (demandReadPermission)
{
CheckExportSecurity(source, context);
}
/////
// Copy the data
/////
var processor = new CopyProcessor(source, target, context);
processor.MigrateData( );
}
}
/// <summary>
/// Create a baseline source for importing data into a tenant.
/// </summary>
/// <remarks>
/// Check the tenant to see if the root entity is present.
/// If it is, then perform an export to use the existing contents as a baseline, so it gets updated.
/// If it's not, then use an empty source so that everything gets added.
/// </remarks>
/// <param name="tenantId">Target tenant.</param>
/// <param name="rootGuids">UpgradeID of entity to be targeted, if present.</param>
/// <returns></returns>
private IDataSource GetBaselineSourceForImport(long tenantId, IEnumerable <Guid> rootGuids)
{
IDataSource baseline;
using (new TenantAdministratorContext(tenantId))
{
IDictionary <Guid, long> ids = UpgradeIdProvider.GetIdsFromUpgradeIds(rootGuids);
if (ids.Count == 0)
{
baseline = new EmptySource( );
}
else
{
baseline = new TenantGraphSource
{
TenantId = tenantId,
RootEntities = ids.Values.ToList( )
};
}
}
return(baseline);
}
