// Search all of the registered sources.
public async Task <SearchResults> SearchForTemplatesAsync(IReadOnlyList <IInstallUnitDescriptor> existingInstallDescriptors, string inputTemplateName)
{
List <TemplateSourceSearchResult> matchesForAllSources = new List <TemplateSourceSearchResult>();
if (string.IsNullOrEmpty(inputTemplateName))
{
return(new SearchResults());
}
bool anySearchersConfigured = false;
foreach (ITemplateSearchSource searchSource in _environmentSettings.SettingsLoader.Components.OfType <ITemplateSearchSource>())
{
if (!await searchSource.TryConfigure(_environmentSettings, existingInstallDescriptors))
{
continue;
}
anySearchersConfigured = true;
TemplateSourceSearchResult matchesForSource = await GetBestMatchesForSourceAsync(searchSource, inputTemplateName);
if (matchesForSource.PacksWithMatches.Count > 0)
{
matchesForAllSources.Add(matchesForSource);
}
}
return(new SearchResults(matchesForAllSources, anySearchersConfigured));
}
// If needed, tweak the return logic - we may want fewer, or different constraints on what is considered a "match" than is used for installed templates.
private async Task <TemplateSourceSearchResult> GetBestMatchesForSourceAsync(ITemplateSearchSource searchSource, string templateName)
{
IReadOnlyList <ITemplateNameSearchResult> nameMatches = await searchSource.CheckForTemplateNameMatchesAsync(templateName);
IReadOnlyList <ITemplateMatchInfo> templateMatches = _matchFilter(nameMatches);
TemplateSourceSearchResult results = new TemplateSourceSearchResult(searchSource.DisplayName);
if (templateMatches.Count == 0)
{
return(results);
}
// Map the identities of the templateMatches to the corresponding pack info
HashSet <string> matchedTemplateIdentities = new HashSet <string>(templateMatches.Select(t => t.Info.Identity));
IReadOnlyDictionary <string, PackInfo> templateIdentityToPackInfoMap = nameMatches.Where(m => matchedTemplateIdentities.Contains(m.Template.Identity))
.ToDictionary(x => x.Template.Identity,
x => x.PackInfo);
foreach (ITemplateMatchInfo match in templateMatches)
{
if (!templateIdentityToPackInfoMap.TryGetValue(match.Info.Identity, out PackInfo packInfo))
{
// this can't realistically happen. The templateMatches will always be a subset of the nameMatches, and thus will always be in the map.
throw new Exception("Unexpected error searching for templates");
}
results.AddMatchForPack(packInfo, match);
}
return(results);
}
// Search all of the registered sources.
public async Task <SearchResults> SearchForTemplatesAsync(IReadOnlyList <IManagedTemplatePackage> existingTemplatePackages, string inputTemplateName)
{
List <TemplateSourceSearchResult> matchesForAllSources = new List <TemplateSourceSearchResult>();
bool anySearchersConfigured = false;
foreach (ITemplateSearchSource searchSource in _environmentSettings.SettingsLoader.Components.OfType <ITemplateSearchSource>())
{
if (!await searchSource.TryConfigure(_environmentSettings, existingTemplatePackages).ConfigureAwait(false))
{
continue;
}
anySearchersConfigured = true;
TemplateSourceSearchResult matchesForSource = await GetBestMatchesForSourceAsync(searchSource, inputTemplateName).ConfigureAwait(false);
if (matchesForSource.PacksWithMatches.Count > 0)
{
matchesForAllSources.Add(matchesForSource);
}
}
return(new SearchResults(matchesForAllSources, anySearchersConfigured));
}
