Added Task to process GradingRecords and update their StudentProjects.
An index for this operation is required and has been added to the index.yaml file.
--- a/app/index.yaml Tue Jul 14 16:46:42 2009 +0200
+++ b/app/index.yaml Tue Jul 14 16:48:08 2009 +0200
@@ -56,13 +56,21 @@
- name: status
- name: __key__
-# used for bulk mailing student and mentors with survey reminders
+# Used for bulk mailing student and mentors with survey reminders. Also used
+# for gathering GradingRecords for evaluation purposes.
- kind: StudentProject
properties:
- name: program
- name: status
- name: __key__
+# Used to update StudentProjects with the grade_decsion contained in a
+# GradingRecord.
+- kind: GradingRecord
+ properties:
+ - name: grading_survey_group
+ - name: __key__
+
# AUTOGENERATED
# This index.yaml is automatically updated whenever the dev_appserver
--- a/app/soc/tasks/grading_survey_group.py Tue Jul 14 16:46:42 2009 +0200
+++ b/app/soc/tasks/grading_survey_group.py Tue Jul 14 16:48:08 2009 +0200
@@ -136,9 +136,71 @@
Expects the following to be present in the POST dict:
group_key: Specifies the GradingSurveyGroup key name.
+ record_key: Optional, specifies the key of the last processed
+ GradingRecord.
Args:
request: Django Request object
"""
- # TODO(ljvderijk) implement this method
+
+ from soc.logic.models.grading_record import logic as grading_record_logic
+ from soc.logic.models.grading_survey_group import logic as survey_group_logic
+ from soc.logic.models.student_project import logic as student_project_logic
+
+ post_dict = request.POST
+
+ group_key = post_dict.get('group_key')
+
+ if not group_key:
+ # invalid task data, log and return OK
+ return error_handler.logErrorAndReturnOK(
+ 'Invalid updateRecordForSurveyGroup data: %s' % post_dict)
+
+ # get the GradingSurveyGroup for the given keyname
+ survey_group_entity = survey_group_logic.getFromKeyName(group_key)
+
+ if not survey_group_entity:
+ # invalid GradingSurveyGroup specified, log and return OK
+ return error_handler.logErrorAndReturnOK(
+ 'Invalid GradingSurveyGroup specified: %s' % group_key)
+
+ # check and retrieve the record_key that has been done last
+ if 'record_key' in post_dict and post_dict['record_key'].isdigit():
+ record_start_key = int(post_dict['record_key'])
+ else:
+ record_start_key = None
+
+ # get all valid StudentProjects from starting key
+ fields = {'grading_survey_group': survey_group_entity}
+
+ if record_start_key:
+ # retrieve the last record that was done
+ record_start = grading_record_logic.getFromID(record_start_key)
+
+ if not record_start:
+ # invalid starting record key specified, log and return OK
+ return error_handler.logErrorAndReturnOK(
+ 'Invalid GradingRecord Key specified: %s' %(record_start_key))
+
+ fields['__key__ >'] = record_start.key()
+
+ # get the first batch_size number of GradingRecords
+ record_entities = grading_record_logic.getForFields(fields,
+ limit=DEF_BATCH_SIZE)
+
+ student_project_logic.updateProjectsForGradingRecords(record_entities)
+
+ if len(record_entities) == DEF_BATCH_SIZE:
+ # spawn new task starting from the last
+ new_record_start = record_entities[DEF_BATCH_SIZE-1].key().id_or_name()
+
+ # pass along these params as POST to the new task
+ task_params = {'group_key': group_key,
+ 'record_key': new_record_start}
+ task_url = '/tasks/grading_survey_group/update_projects'
+
+ new_task = taskqueue.Task(params=task_params, url=task_url)
+ new_task.add()
+
+ # task completed, return OK
return http.HttpResponse('OK')