public bool CheckForDuplicateNames <T>(IEnumerable <T> items, Func <T, string> nameExtractor, string whatItemsAre)
{
var grouped = from v in items
group v by nameExtractor(v).ToLowerInvariant()
into lowerCaseGrouped
where lowerCaseGrouped.Count() > 1
select Tuple.Create(lowerCaseGrouped.Key, lowerCaseGrouped.Count());
var any = false;
foreach (var duplicate in grouped)
{
any = true;
ErrorCache.AddError($"There are {duplicate.Item2} {whatItemsAre} with name '{duplicate.Item1}'");
}
return(any);
}
public bool ValidatePackageToLoad(Package package)
{
if (this.package != null)
{
throw new InvalidOperationException("This loader already has a package.");
}
// Store details of the package
this.package = package;
// Check for any reserved package names (etc.)
if (package.Id.StartsWith(Constants.PackageId))
{
ErrorCache.AddError($"Package can't start with the reserved name {Constants.PackageManagerIdentity}");
}
// Check the variables and load them
CheckForDuplicateNames(package.Variables, v => v.Name, "Variables");
foreach (var variable in package.Variables)
{
variable.PackageId = package.Id;
Scope.Store(variable);
}
// Check the datasets and load them
CheckForDuplicateNames(package.DataSets, d => d.Name, "Datasets");
var validator = new DataSetApiValidator
{
PackageId = package.Id,
Scope = Scope,
ErrorCache = ErrorCache
};
foreach (var dataSet in package.DataSets)
{
Jobs.AddRange(validator.DetermineJobs(dataSet));
}
return(ErrorCache.Count == 0);
}