private IEnumerable <MountPointInfo> FindMountPointsToScan(bool forceRebuild)
{
// If the user settings version is out of date, or
// we've been asked to rebuild everything then
// we need to scan everything
bool forceScanAll = !IsVersionCurrent || forceRebuild;
// load up the culture neutral cache
// and get the mount points for templates from the culture neutral cache
HashSet <TemplateInfo> allTemplates = new HashSet <TemplateInfo>(_userTemplateCache.GetTemplatesForLocale(null, _userSettings.Version));
// loop through the localized caches and get all the locale mount points
foreach (string locale in _userTemplateCache.AllLocalesWithCacheFiles)
{
allTemplates.UnionWith(_userTemplateCache.GetTemplatesForLocale(locale, _userSettings.Version));
}
foreach (TemplateInfo template in allTemplates)
{
if (!_mountPoints.TryGetValue(template.ConfigMountPointId, out MountPointInfo mountPoint))
{
// TODO: This should never happen - throw an error?
continue;
}
if (forceScanAll)
{
yield return(mountPoint);
continue;
}
// For MountPoints using FileSystemMountPointFactories
// we scan the file system to see if the template
// is more recent than our cached version
if (mountPoint.MountPointFactoryId != FileSystemMountPointFactory.FactoryId)
{
continue;
}
string pathToTemplateFile = Path.Combine(mountPoint.Place, template.ConfigPlace.TrimStart('/'));
DateTime?timestampOnDisk = null;
if (_environmentSettings.Host.FileSystem is IFileLastWriteTimeSource timeSource)
{
timestampOnDisk = timeSource.GetLastWriteTimeUtc(pathToTemplateFile);
}
if (!template.ConfigTimestampUtc.HasValue ||
(timestampOnDisk.HasValue && template.ConfigTimestampUtc.Value < timestampOnDisk))
{
// Template on disk is more recent
yield return(mountPoint);
}
}
}
public void RebuildCacheFromSettingsIfNotCurrent(bool forceRebuild)
{
EnsureLoaded();
if (IsVersionCurrent && !forceRebuild)
{
return;
}
// load up the culture neutral cache
// and get the mount points for templates from the culture neutral cache
IReadOnlyList <TemplateInfo> cultureNeutralTemplates = _userTemplateCache.GetTemplatesForLocale(null, _userSettings.Version);
HashSet <Guid> templateMountPointIds = new HashSet <Guid>(cultureNeutralTemplates.Select(x => x.ConfigMountPointId));
_userTemplateCache.TemplateInfo.Clear();
HashSet <Guid> scannedMountPoints = new HashSet <Guid>();
// Scan the unique mount points for the templates.
foreach (MountPointInfo mountPoint in MountPoints)
{
if (templateMountPointIds.Contains(mountPoint.MountPointId) && scannedMountPoints.Add(mountPoint.MountPointId))
{
_userTemplateCache.Scan(mountPoint.Place);
}
}
// loop through the localized caches and get all the locale mount points
HashSet <Guid> localeMountPointIds = new HashSet <Guid>();
foreach (string locale in _userTemplateCache.AllLocalesWithCacheFiles)
{
IReadOnlyList <TemplateInfo> templatesForLocale = _userTemplateCache.GetTemplatesForLocale(locale, _userSettings.Version);
localeMountPointIds.UnionWith(templatesForLocale.Select(x => x.LocaleConfigMountPointId));
}
// Scan the unique local mount points
foreach (MountPointInfo mountPoint in MountPoints)
{
if (localeMountPointIds.Contains(mountPoint.MountPointId) && scannedMountPoints.Add(mountPoint.MountPointId))
{
_userTemplateCache.Scan(mountPoint.Place);
}
}
Save();
ReloadTemplates();
}
