author | Lennard de Rijk <ljvderijk@gmail.com> |
Sat, 25 Jul 2009 13:13:20 +0200 | |
changeset 2680 | b96ba702e82c |
parent 2647 | 69ac7307bb50 |
permissions | -rw-r--r-- |
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#!/usr/bin/python2.5 |
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# |
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# Copyright 2009 the Melange authors. |
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# |
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# Licensed under the Apache License, Version 2.0 (the "License"); |
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# you may not use this file except in compliance with the License. |
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# You may obtain a copy of the License at |
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# |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, |
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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# See the License for the specific language governing permissions and |
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# limitations under the License. |
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"""Tasks related to Grading Survey Groups. |
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""" |
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__authors__ = [ |
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'"Lennard de Rijk" <ljvderijk@gmail.com>', |
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] |
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import datetime |
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import logging |
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from google.appengine.api.labs import taskqueue |
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from django import http |
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from soc.tasks.helper import error_handler |
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# batch size to use when going through StudentProjects |
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DEF_BATCH_SIZE = 10 |
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def getDjangoURLPatterns(): |
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"""Returns the URL patterns for the tasks in this module. |
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""" |
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patterns = [( |
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r'tasks/grading_survey_group/update_records$', |
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'soc.tasks.grading_survey_group.updateOrCreateRecordsForSurveyGroup'), |
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( |
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r'tasks/grading_survey_group/update_projects$', |
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'soc.tasks.grading_survey_group.updateProjectsForSurveyGroup'), |
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( |
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r'tasks/grading_survey_group/mail_result$', |
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'soc.tasks.grading_survey_group.sendMailAboutGradingRecordResult')] |
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return patterns |
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def updateOrCreateRecordsForSurveyGroup(request, *args, **kwargs): |
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"""Updates or creates GradingRecords for the given GradingSurveyGroup. |
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Expects the following to be present in the POST dict: |
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group_key: Specifies the GradingSurveyGroup key name. |
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project_key: optional to specify which project was the last for which this |
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task was run |
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Args: |
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request: Django Request object |
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""" |
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from soc.logic.models.grading_record import logic as grading_record_logic |
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from soc.logic.models.grading_survey_group import logic as survey_group_logic |
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from soc.logic.models.student_project import logic as student_project_logic |
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post_dict = request.POST |
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group_key = post_dict.get('group_key') |
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if not group_key: |
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# invalid task data, log and return OK |
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return error_handler.logErrorAndReturnOK( |
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'Invalid updateRecordForSurveyGroup data: %s' % post_dict) |
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# get the GradingSurveyGroup for the given keyname |
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survey_group_entity = survey_group_logic.getFromKeyName(group_key) |
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if not survey_group_entity: |
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# invalid GradingSurveyGroup specified, log and return OK |
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return error_handler.logErrorAndReturnOK( |
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'Invalid GradingSurveyGroup specified: %s' % group_key) |
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# check and retrieve the project_key that has been done last |
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if 'project_key' in post_dict: |
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project_start_key = post_dict['project_key'] |
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else: |
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project_start_key = None |
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# get all valid StudentProjects from starting key |
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fields = {'program': survey_group_entity.scope, |
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'status': ['accepted', 'failed', 'completed']} |
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if project_start_key: |
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# retrieve the last project that was done |
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project_start = student_project_logic.getFromKeyName(project_start_key) |
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if not project_start: |
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# invalid starting project key specified, log and return OK |
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return error_handler.logErrorAndReturnOK( |
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|
105 |
'Invalid Student Project Key specified: %s' %(project_start_key)) |
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changeset
|
106 |
|
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|
107 |
fields['__key__ >'] = project_start.key() |
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|
108 |
|
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|
109 |
# get the first batch_size number of StudentProjects |
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|
110 |
project_entities = student_project_logic.getForFields(fields, |
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|
111 |
limit=DEF_BATCH_SIZE) |
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changeset
|
112 |
|
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|
113 |
# update/create and batch put the new GradingRecords |
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|
114 |
grading_record_logic.updateOrCreateRecordsFor(survey_group_entity, |
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|
115 |
project_entities) |
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|
116 |
|
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|
117 |
if len(project_entities) == DEF_BATCH_SIZE: |
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|
118 |
# spawn new task starting from the last |
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|
119 |
new_project_start = project_entities[DEF_BATCH_SIZE-1].key().id_or_name() |
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|
120 |
|
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|
121 |
# pass along these params as POST to the new task |
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|
122 |
task_params = {'group_key': group_key, |
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|
123 |
'project_key': new_project_start} |
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|
124 |
task_url = '/tasks/grading_survey_group/update_records' |
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|
125 |
|
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|
126 |
new_task = taskqueue.Task(params=task_params, url=task_url) |
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|
127 |
new_task.add() |
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|
128 |
else: |
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|
129 |
# task completed, update timestamp for last update complete |
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|
130 |
fields = {'last_update_complete': datetime.datetime.now()} |
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131 |
survey_group_logic.updateEntityProperties(survey_group_entity, fields) |
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|
132 |
|
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|
133 |
# task completed, return OK |
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|
134 |
return http.HttpResponse('OK') |
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|
135 |
|
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Fixed style error in GradingSurveyGroup Task model.
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|
136 |
|
2618
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|
137 |
def updateProjectsForSurveyGroup(request, *args, **kwargs): |
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|
138 |
"""Updates each StudentProject for which a GradingRecord is found. |
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|
139 |
|
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|
140 |
Expects the following to be present in the POST dict: |
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|
141 |
group_key: Specifies the GradingSurveyGroup key name. |
2644
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|
142 |
record_key: Optional, specifies the key of the last processed |
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|
143 |
GradingRecord. |
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|
144 |
send_mail: Optional, if this string evaluates to True mail will be send |
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|
145 |
for each GradingRecord that's processed. |
2618
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|
146 |
|
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|
147 |
Args: |
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|
148 |
request: Django Request object |
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|
149 |
""" |
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|
150 |
|
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|
151 |
from soc.logic.models.grading_record import logic as grading_record_logic |
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|
152 |
from soc.logic.models.grading_survey_group import logic as survey_group_logic |
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|
153 |
from soc.logic.models.student_project import logic as student_project_logic |
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|
154 |
|
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|
155 |
post_dict = request.POST |
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|
156 |
|
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|
157 |
group_key = post_dict.get('group_key') |
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|
158 |
|
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|
159 |
if not group_key: |
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|
160 |
# invalid task data, log and return OK |
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|
161 |
return error_handler.logErrorAndReturnOK( |
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|
162 |
'Invalid updateRecordForSurveyGroup data: %s' % post_dict) |
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changeset
|
163 |
|
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|
164 |
# get the GradingSurveyGroup for the given keyname |
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|
165 |
survey_group_entity = survey_group_logic.getFromKeyName(group_key) |
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|
166 |
|
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|
167 |
if not survey_group_entity: |
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|
168 |
# invalid GradingSurveyGroup specified, log and return OK |
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|
169 |
return error_handler.logErrorAndReturnOK( |
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changeset
|
170 |
'Invalid GradingSurveyGroup specified: %s' % group_key) |
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changeset
|
171 |
|
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|
172 |
# check and retrieve the record_key that has been done last |
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|
173 |
if 'record_key' in post_dict and post_dict['record_key'].isdigit(): |
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changeset
|
174 |
record_start_key = int(post_dict['record_key']) |
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changeset
|
175 |
else: |
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|
176 |
record_start_key = None |
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changeset
|
177 |
|
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|
178 |
# get all valid StudentProjects from starting key |
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|
179 |
fields = {'grading_survey_group': survey_group_entity} |
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changeset
|
180 |
|
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changeset
|
181 |
if record_start_key: |
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|
182 |
# retrieve the last record that was done |
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|
183 |
record_start = grading_record_logic.getFromID(record_start_key) |
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changeset
|
184 |
|
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changeset
|
185 |
if not record_start: |
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|
186 |
# invalid starting record key specified, log and return OK |
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|
187 |
return error_handler.logErrorAndReturnOK( |
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changeset
|
188 |
'Invalid GradingRecord Key specified: %s' %(record_start_key)) |
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changeset
|
189 |
|
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|
190 |
fields['__key__ >'] = record_start.key() |
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changeset
|
191 |
|
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|
192 |
# get the first batch_size number of GradingRecords |
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|
193 |
record_entities = grading_record_logic.getForFields(fields, |
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|
194 |
limit=DEF_BATCH_SIZE) |
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|
195 |
|
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|
196 |
student_project_logic.updateProjectsForGradingRecords(record_entities) |
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changeset
|
197 |
|
2647
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|
198 |
# check if we need to send an email for each GradingRecord |
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|
199 |
send_mail = post_dict.get('send_mail', '') |
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|
200 |
|
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changeset
|
201 |
if send_mail: |
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changeset
|
202 |
# enqueue a task to send mail for each GradingRecord |
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changeset
|
203 |
for record_entity in record_entities: |
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|
204 |
# pass along these params as POST to the new task |
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|
205 |
task_params = {'record_key': record_entity.key().id_or_name()} |
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|
206 |
task_url = '/tasks/grading_survey_group/mail_result' |
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changeset
|
207 |
|
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|
208 |
mail_task = taskqueue.Task(params=task_params, url=task_url) |
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mail_task.add('mail') |
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210 |
|
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if len(record_entities) == DEF_BATCH_SIZE: |
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# spawn new task starting from the last |
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new_record_start = record_entities[DEF_BATCH_SIZE-1].key().id_or_name() |
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|
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# pass along these params as POST to the new task |
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216 |
task_params = {'group_key': group_key, |
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'record_key': new_record_start, |
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'send_mail': send_mail} |
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task_url = '/tasks/grading_survey_group/update_projects' |
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|
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new_task = taskqueue.Task(params=task_params, url=task_url) |
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222 |
new_task.add() |
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223 |
|
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224 |
# task completed, return OK |
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return http.HttpResponse('OK') |
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|
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|
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def sendMailAboutGradingRecordResult(request, *args, **kwargs): |
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"""Sends out a mail about the result of one GradingRecord. |
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230 |
|
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231 |
Expects the following to be present in the POST dict: |
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record_key: Specifies the key for the record to process. |
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233 |
|
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234 |
Args: |
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235 |
request: Django Request object |
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""" |
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|
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238 |
from soc.logic import mail_dispatcher |
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239 |
from soc.logic.models.grading_record import logic as grading_record_logic |
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240 |
from soc.logic.models.org_admin import logic as org_admin_logic |
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241 |
from soc.logic.models.site import logic as site_logic |
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242 |
|
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post_dict = request.POST |
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244 |
|
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# check and retrieve the record_key that has been done last |
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246 |
if 'record_key' in post_dict and post_dict['record_key'].isdigit(): |
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record_key = int(post_dict['record_key']) |
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248 |
else: |
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record_key = None |
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250 |
|
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251 |
if not record_key: |
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252 |
# no GradingRecord key specified, log and return OK |
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253 |
error_handler.logErrorAndReturnOK( |
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254 |
'No valid record_key specified in POST data: %s' % request.POST) |
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|
255 |
|
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256 |
record_entity = grading_record_logic.getFromID(record_key) |
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257 |
|
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258 |
if not record_entity: |
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# no valid GradingRecord key specified, log and return OK |
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260 |
error_handler.logErrorAndReturnOK( |
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'No valid GradingRecord key specified: %s' % record_key) |
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|
262 |
|
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263 |
survey_group_entity = record_entity.grading_survey_group |
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264 |
project_entity = record_entity.project |
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265 |
student_entity = project_entity.student |
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266 |
mentor_entity = project_entity.mentor |
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267 |
org_entity = project_entity.scope |
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268 |
site_entity = site_logic.getSingleton() |
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|
269 |
|
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|
270 |
mail_context = { |
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271 |
'survey_group': survey_group_entity, |
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272 |
'grading_record': record_entity, |
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273 |
'project': project_entity, |
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274 |
'organization': org_entity, |
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275 |
'site_name': site_entity.site_name, |
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276 |
'to_name': student_entity.name() |
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277 |
} |
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|
278 |
|
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|
279 |
# set the sender |
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|
280 |
(sender, sender_address) = mail_dispatcher.getDefaultMailSender() |
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|
281 |
mail_context['sender'] = sender_address |
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|
282 |
|
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|
283 |
# set the receiver and subject |
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|
284 |
mail_context['to'] = student_entity.email |
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|
285 |
mail_context['cc'] = [mentor_entity.email] |
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|
286 |
mail_context['subject'] = '%s results processed for %s' %( |
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|
287 |
survey_group_entity.name, project_entity.title) |
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|
288 |
|
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|
289 |
# find all org admins for the project's organization |
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|
290 |
fields = {'scope': org_entity, |
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|
291 |
'status': 'active'} |
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292 |
org_admin_entities = org_admin_logic.getForFields(fields) |
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|
293 |
|
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|
294 |
# collect email addresses for all found org admins |
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295 |
org_admin_addresses = [] |
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|
296 |
|
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297 |
for org_admin_entity in org_admin_entities: |
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298 |
org_admin_addresses.append(org_admin_entity.email) |
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|
299 |
|
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|
300 |
if org_admin_addresses: |
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|
301 |
mail_context['cc'].extend(org_admin_addresses) |
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|
302 |
|
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|
303 |
# send out the email using a template |
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|
304 |
mail_template = 'soc/grading_record/mail/result.html' |
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|
305 |
mail_dispatcher.sendMailFromTemplate(mail_template, mail_context) |
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306 |
|
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|
307 |
# return OK |
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|
308 |
return http.HttpResponse() |