/// <summary>
/// Synchronously gets a single <see cref="IGroup">Group</see> from a query.
/// </summary>
/// <param name="parent">The parent resource that contains a link to a <see cref="ITenant">Tenant</see>.</param>
/// <param name="queryAction">The query.</param>
/// <returns>The located <see cref="IGroup">Group</see>.</returns>
private static IGroup GetSingleTenantGroup(
IHasTenant parent,
Func <IQueryable <IGroup>, IQueryable <IGroup> > queryAction)
{
if (queryAction == null)
{
throw new ArgumentNullException(nameof(queryAction));
}
var tenant = parent.GetTenant();
var queryable = tenant.GetGroups().Synchronously();
queryable = queryAction(queryable);
IGroup foundGroup = null;
foreach (var group in queryable)
{
if (foundGroup != null)
{
throw new ArgumentException("The provided query matched more than one Directory in the current Tenant.", nameof(queryAction));
}
foundGroup = group;
}
return(foundGroup);
}
/// <summary>
/// Synchronously gets a single <see cref="IDirectory">Directory</see> from a query.
/// </summary>
/// <param name="parent">The parent resource that contains a link to a <see cref="ITenant">Tenant</see>.</param>
/// <param name="queryAction">The query.</param>
/// <returns>The located <see cref="IDirectory">Directory</see>.</returns>
private static IDirectory GetSingleTenantDirectory(
IHasTenant parent,
Func <IQueryable <IDirectory>, IQueryable <IDirectory> > queryAction)
{
if (queryAction == null)
{
throw new ArgumentNullException(nameof(queryAction));
}
var tenant = parent.GetTenant();
var queryable = tenant.GetDirectories().Synchronously();
queryable = queryAction(queryable);
IDirectory foundDirectory = null;
foreach (var dir in queryable)
{
if (foundDirectory != null)
{
throw new ArgumentException("The provided query matched more than one Directory in the current Tenant.", nameof(queryAction));
}
foundDirectory = dir;
}
return(foundDirectory);
}