// There are no unit tests for this file, as they would amount to a re-implementation of it.
// It's simply too trivial to be worth testing with mocks.
// However, it *is* tested via functional tests in the FunctionalTests class.
/// <summary>
/// Construct a ReportAnalyser that can read a report and count licenses.
/// </summary>
/// <param name="reportLoader">An IReportLoader to handle the file loading and parsing.</param>
/// <param name="reportToModelConverter">An IReportToModelConverter to convert load results into model data.</param>
/// <param name="installationCatalog">An IInstallationCatalog smart container that can perform efficient licesnse assessments.</param>
/// <param name="licenseAssessor">An ILicenseAssessor to identify per-user license requirements.</param>
public ReportAnalyser(IReportLoader reportLoader, IReportToModelConverter reportToModelConverter, IInstallationCatalog installationCatalog, ILicenseAssessor licenseAssessor)
{
_reportLoader = reportLoader;
_reportToModelConverter = reportToModelConverter;
_installationCatalog = installationCatalog;
_licenseAssessor = licenseAssessor;
}
/// <summary>
/// Counts licenses that are tracked on a per-user basis.
/// Filters the installations for each user, then assesses how many licenses are required for that installation set.
/// The installs for all users are summed and returned.
/// </summary>
/// <param name="installationFilter">Filter used to isolate the installations to consider; applied to each user's installations prior to assessment.</param>
/// <param name="licenseAssessor">Assessor used to count the licenses required for each user's filtered installations.</param>
/// <returns>The sum of required licenses across all users.</returns>
public int CountLicensesByUser(IInstallationFilter installationFilter, ILicenseAssessor licenseAssessor)
{
// Walk the dictionary, considering each user individually.
var licensesRequiredTotal = 0;
foreach (var userInstallations in _indexMap.Values)
{
var considerInstallations = userInstallations.Where(installationFilter.Filter);
licensesRequiredTotal += licenseAssessor.AssessInstallationLicenses(considerInstallations);
}
return(licensesRequiredTotal);
}
