--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OrthancServer/Resources/Samples/Lua/OnStableStudy.lua	Wed Jun 10 20:30:34 2020 +0200
@@ -0,0 +1,46 @@
+function Initialize()
+   print('Number of stored studies at initialization: ' ..
+            table.getn(ParseJson(RestApiGet('/studies'))))
+end
+
+
+function Finalize()
+   print('Number of stored studies at finalization: ' ..
+            table.getn(ParseJson(RestApiGet('/studies'))))
+end
+
+
+function OnStoredInstance(instanceId, tags, metadata)
+   patient = ParseJson(RestApiGet('/instances/' .. instanceId .. '/patient'))
+   print('Received an instance for patient: ' .. 
+            patient['MainDicomTags']['PatientID'] .. ' - ' .. 
+            patient['MainDicomTags']['PatientName'])
+end
+
+
+function OnStableStudy(studyId, tags, metadata)
+   if (metadata['ModifiedFrom'] == nil and
+       metadata['AnonymizedFrom'] == nil) then
+
+      print('This study is now stable: ' .. studyId)
+      
+      -- The tags to be replaced
+      local replace = {}
+      replace['StudyDescription'] = 'Modified study'
+      replace['StationName'] = 'My Medical Device'
+      replace['0031-1020'] = 'Some private tag'
+
+      -- The tags to be removed
+      local remove = { 'MilitaryRank' }
+
+      -- The modification command
+      local command = {}
+      command['Remove'] = remove
+      command['Replace'] = replace
+
+      -- Modify the entire study in one single call
+      local m = RestApiPost('/studies/' .. studyId .. '/modify',
+                            DumpJson(command, true))
+      print('Modified study: ' .. m)
+   end
+end