public CustomTagEntry(string path, string vr, CustomTagLevel level, CustomTagStatus status)
{
Path = path;
VR = vr;
Level = level;
Status = status;
}
public CustomTagEntry(long key, string path, string vr, CustomTagLevel level, CustomTagStatus status)
{
Key = key;
Path = path;
VR = vr;
Level = level;
Status = status;
}
public static CustomTagStoreEntry BuildCustomTagStoreEntry(this DicomTag tag, long key = 1, CustomTagLevel level = CustomTagLevel.Series, CustomTagStatus status = CustomTagStatus.Reindexing)
{
return(new CustomTagStoreEntry(key: key, path: tag.GetPath(), vr: tag.DictionaryEntry.ValueRepresentations[0].Code, level: level, status: status));
}
public static CustomTagEntry BuildCustomTagEntry(this DicomTag tag, CustomTagLevel level = CustomTagLevel.Series, CustomTagStatus status = CustomTagStatus.Added)
{
return(new CustomTagEntry(path: tag.GetPath(), vr: tag.GetDefaultVR()?.Code, level: level, status: status));
}
public async Task <AddCustomTagResponse> AddCustomTagAsync(IEnumerable <CustomTagEntry> customTags, CancellationToken cancellationToken = default)
{
// TODO: this synchronous solution is transient, we will finally move onto job framework once it comes out.
// This transient solution should be able to work on main scnearios.
// TODO: when moving to job framework, these problems need to be considered
// 1. What if fail out for lost database connection when adding custom tags, in this case clean up will also not work
// 2. What if fail out during GetLatestInstanceAsync
// 3. What if fail out during reindex -- ideally the job frameworks should allow resume failed job
// 4. What if fail out during update custom tag status
// Validate input
_customTagEntryValidator.ValidateCustomTags(customTags);
Dictionary <long, CustomTagStoreEntry> addedTags = new Dictionary <long, CustomTagStoreEntry>();
foreach (var tag in customTags)
{
try
{
CustomTagStatus initStatus = CustomTagStatus.Reindexing;
long key = await _customTagStore.AddCustomTagAsync(tag.Path, tag.VR, tag.Level, initStatus);
CustomTagStoreEntry storeEntry = new CustomTagStoreEntry(key, tag.Path, tag.VR, tag.Level, initStatus);
addedTags.Add(key, storeEntry);
}
catch (Exception ex)
{
_logger.LogCritical(ex, "Failed to add custom tag {tag}.", tag);
// clean up
foreach (var tagkey in addedTags.Keys)
{
await _customTagStore.DeleteCustomTagAsync(tagkey);
}
throw;
}
}
// Current solution won't be able to handle when GetLatestInstanceAsyc fails, when moving to job framework, should solve it.
long?lastWatermark = await _customTagStore.GetLatestInstanceAsync(cancellationToken);
// if lastWatermark doesn't exist, means no instance in database
if (lastWatermark.HasValue)
{
// Reindex from latest one to earliest
// Current solution won't be able to handle when reindex fail in the middle, when moving to job framework, should solve it.
await _reindexJob.ReindexAsync(addedTags.Values, lastWatermark.Value);
}
// Update tag status
foreach (var tagkey in addedTags.Keys)
{
// Current solution won't be able to handle when update custom tag fail in the middle, when moving to job framework, should solve it.
await _customTagStore.UpdateCustomTagStatusAsync(tagkey, CustomTagStatus.Added);
}
// Current solution is synchronouse, no job uri is generated, so always return emtpy.
return(new AddCustomTagResponse(job: string.Empty));
}
private static CustomTagEntry CreateCustomTagEntry(string path, string vr, CustomTagLevel level = CustomTagLevel.Instance, CustomTagStatus status = CustomTagStatus.Added)
{
return(new CustomTagEntry(path, vr, level, status));
}
