added stat file interface

src/python/dm/ds_web_service/service/fileSessionController.py

@@ -33,3 +33,19 @@ class FileSessionController(DmSessionController):
         self.logger.debug('Returning: %s' % response)
         return response
 
+    @cherrypy.expose
+    @DmSessionController.require(DmSessionController.isAdministrator())
+    @DmSessionController.execute
+    def statFile(self, **kwargs):
+        encodedFileInfo = kwargs.get('fileInfo')
+        if not encodedFileInfo:
+            raise InvalidRequest('Invalid file info provided.')
+        fileInfo = json.loads(Encoder.decode(encodedFileInfo))
+
+        if not fileInfo.has_key('experimentFilePath'):
+            raise InvalidRequest('Experiment file path is missing.')
+        if not fileInfo.has_key('experimentName'):
+            raise InvalidRequest('Experiment name is missing.')
+        response = self.fileSessionControllerImpl.statFile(fileInfo).getFullJsonRep()
+        self.logger.debug('Returning: %s' % response)
+        return response

src/python/dm/ds_web_service/service/impl/fileSessionControllerImpl.py

@@ -25,3 +25,10 @@ class FileSessionControllerImpl(DmObjectManager):
         experiment = self.experimentDbApi.getExperimentByName(experimentName)
         ExperimentManager.getInstance().processExperimentFile(experimentFilePath, experiment, fileInfo)
         return FileMetadata(fileInfo)
+
+    def statFile(self, fileInfo):
+        experimentFilePath = fileInfo.get('experimentFilePath')
+        experimentName = fileInfo.get('experimentName')
+        experiment = self.experimentDbApi.getExperimentByName(experimentName)
+        ExperimentManager.getInstance().statExperimentFile(experimentFilePath, experiment, fileInfo)
+        return FileMetadata(fileInfo)