306 lines
11 KiB
Python
306 lines
11 KiB
Python
# Grading Views
|
|
|
|
import logging
|
|
import urllib
|
|
import re
|
|
|
|
from django.conf import settings
|
|
from django.views.decorators.cache import cache_control
|
|
from mitxmako.shortcuts import render_to_response
|
|
from django.core.urlresolvers import reverse
|
|
|
|
from student.models import unique_id_for_user
|
|
from courseware.courses import get_course_with_access
|
|
|
|
from controller_query_service import ControllerQueryService
|
|
from xmodule.grading_service_module import GradingServiceError
|
|
import json
|
|
from .staff_grading import StaffGrading
|
|
from student.models import unique_id_for_user
|
|
|
|
import open_ended_util
|
|
import open_ended_notifications
|
|
|
|
from xmodule.modulestore.django import modulestore
|
|
from xmodule.modulestore import search
|
|
|
|
from django.http import HttpResponse, Http404, HttpResponseRedirect
|
|
|
|
log = logging.getLogger(__name__)
|
|
|
|
template_imports = {'urllib': urllib}
|
|
|
|
controller_url = open_ended_util.get_controller_url()
|
|
controller_qs = ControllerQueryService(controller_url)
|
|
|
|
"""
|
|
Reverses the URL from the name and the course id, and then adds a trailing slash if
|
|
it does not exist yet
|
|
|
|
"""
|
|
|
|
|
|
def _reverse_with_slash(url_name, course_id):
|
|
ajax_url = _reverse_without_slash(url_name, course_id)
|
|
if not ajax_url.endswith('/'):
|
|
ajax_url += '/'
|
|
return ajax_url
|
|
|
|
|
|
def _reverse_without_slash(url_name, course_id):
|
|
ajax_url = reverse(url_name, kwargs={'course_id': course_id})
|
|
return ajax_url
|
|
|
|
DESCRIPTION_DICT = {
|
|
'Peer Grading': "View all problems that require peer assessment in this particular course.",
|
|
'Staff Grading': "View ungraded submissions submitted by students for the open ended problems in the course.",
|
|
'Problems you have submitted': "View open ended problems that you have previously submitted for grading.",
|
|
'Flagged Submissions': "View submissions that have been flagged by students as inappropriate."
|
|
}
|
|
ALERT_DICT = {
|
|
'Peer Grading': "New submissions to grade",
|
|
'Staff Grading': "New submissions to grade",
|
|
'Problems you have submitted': "New grades have been returned",
|
|
'Flagged Submissions': "Submissions have been flagged for review"
|
|
}
|
|
|
|
|
|
@cache_control(no_cache=True, no_store=True, must_revalidate=True)
|
|
def staff_grading(request, course_id):
|
|
"""
|
|
Show the instructor grading interface.
|
|
"""
|
|
course = get_course_with_access(request.user, course_id, 'staff')
|
|
|
|
ajax_url = _reverse_with_slash('staff_grading', course_id)
|
|
|
|
return render_to_response('instructor/staff_grading.html', {
|
|
'course': course,
|
|
'course_id': course_id,
|
|
'ajax_url': ajax_url,
|
|
# Checked above
|
|
'staff_access': True, })
|
|
|
|
|
|
@cache_control(no_cache=True, no_store=True, must_revalidate=True)
|
|
def peer_grading(request, course_id):
|
|
'''
|
|
Show a peer grading interface
|
|
'''
|
|
|
|
course = get_course_with_access(request.user, course_id, 'load')
|
|
course_id_parts = course.id.split("/")
|
|
course_id_norun = "/".join(course_id_parts[0:2])
|
|
pg_location = "i4x://" + course_id_norun + "/peergrading/init"
|
|
|
|
base_course_url = reverse('courses')
|
|
try:
|
|
problem_url_parts = search.path_to_location(modulestore(), course.id, pg_location)
|
|
problem_url = generate_problem_url(problem_url_parts, base_course_url)
|
|
|
|
return HttpResponseRedirect(problem_url)
|
|
except:
|
|
error_message = "Error with initializing peer grading. Centralized module does not exist. Please contact course staff."
|
|
log.exception(error_message + "Current course is: {0}".format(course_id))
|
|
return HttpResponse(error_message)
|
|
|
|
|
|
def generate_problem_url(problem_url_parts, base_course_url):
|
|
"""
|
|
From a list of problem url parts generated by search.path_to_location and a base course url, generates a url to a problem
|
|
@param problem_url_parts: Output of search.path_to_location
|
|
@param base_course_url: Base url of a given course
|
|
@return: A path to the problem
|
|
"""
|
|
problem_url = base_course_url + "/"
|
|
for z in xrange(0, len(problem_url_parts)):
|
|
part = problem_url_parts[z]
|
|
if part is not None:
|
|
if z == 1:
|
|
problem_url += "courseware/"
|
|
problem_url += part + "/"
|
|
return problem_url
|
|
|
|
|
|
@cache_control(no_cache=True, no_store=True, must_revalidate=True)
|
|
def student_problem_list(request, course_id):
|
|
'''
|
|
Show a student problem list
|
|
'''
|
|
course = get_course_with_access(request.user, course_id, 'load')
|
|
student_id = unique_id_for_user(request.user)
|
|
|
|
# call problem list service
|
|
success = False
|
|
error_text = ""
|
|
problem_list = []
|
|
base_course_url = reverse('courses')
|
|
|
|
#try:
|
|
problem_list_json = controller_qs.get_grading_status_list(course_id, unique_id_for_user(request.user))
|
|
problem_list_dict = json.loads(problem_list_json)
|
|
success = problem_list_dict['success']
|
|
if 'error' in problem_list_dict:
|
|
error_text = problem_list_dict['error']
|
|
problem_list = []
|
|
else:
|
|
problem_list = problem_list_dict['problem_list']
|
|
|
|
for i in xrange(0, len(problem_list)):
|
|
problem_url_parts = search.path_to_location(modulestore(), course.id, problem_list[i]['location'])
|
|
problem_url = generate_problem_url(problem_url_parts, base_course_url)
|
|
problem_list[i].update({'actual_url': problem_url})
|
|
|
|
"""
|
|
except GradingServiceError:
|
|
error_text = "Error occured while contacting the grading service"
|
|
success = False
|
|
# catch error if if the json loads fails
|
|
except ValueError:
|
|
error_text = "Could not get problem list"
|
|
success = False
|
|
"""
|
|
|
|
ajax_url = _reverse_with_slash('open_ended_problems', course_id)
|
|
|
|
return render_to_response('open_ended_problems/open_ended_problems.html', {
|
|
'course': course,
|
|
'course_id': course_id,
|
|
'ajax_url': ajax_url,
|
|
'success': success,
|
|
'problem_list': problem_list,
|
|
'error_text': error_text,
|
|
# Checked above
|
|
'staff_access': False, })
|
|
|
|
|
|
@cache_control(no_cache=True, no_store=True, must_revalidate=True)
|
|
def flagged_problem_list(request, course_id):
|
|
'''
|
|
Show a student problem list
|
|
'''
|
|
course = get_course_with_access(request.user, course_id, 'staff')
|
|
student_id = unique_id_for_user(request.user)
|
|
|
|
# call problem list service
|
|
success = False
|
|
error_text = ""
|
|
problem_list = []
|
|
base_course_url = reverse('courses')
|
|
|
|
try:
|
|
problem_list_json = controller_qs.get_flagged_problem_list(course_id)
|
|
problem_list_dict = json.loads(problem_list_json)
|
|
success = problem_list_dict['success']
|
|
if 'error' in problem_list_dict:
|
|
error_text = problem_list_dict['error']
|
|
problem_list = []
|
|
else:
|
|
problem_list = problem_list_dict['flagged_submissions']
|
|
|
|
except GradingServiceError:
|
|
error_text = "Error occured while contacting the grading service"
|
|
success = False
|
|
# catch error if if the json loads fails
|
|
except ValueError:
|
|
error_text = "Could not get problem list"
|
|
success = False
|
|
|
|
ajax_url = _reverse_with_slash('open_ended_flagged_problems', course_id)
|
|
context = {
|
|
'course': course,
|
|
'course_id': course_id,
|
|
'ajax_url': ajax_url,
|
|
'success': success,
|
|
'problem_list': problem_list,
|
|
'error_text': error_text,
|
|
# Checked above
|
|
'staff_access': True,
|
|
}
|
|
return render_to_response('open_ended_problems/open_ended_flagged_problems.html', context)
|
|
|
|
|
|
@cache_control(no_cache=True, no_store=True, must_revalidate=True)
|
|
def combined_notifications(request, course_id):
|
|
"""
|
|
Gets combined notifications from the grading controller and displays them
|
|
"""
|
|
course = get_course_with_access(request.user, course_id, 'load')
|
|
user = request.user
|
|
notifications = open_ended_notifications.combined_notifications(course, user)
|
|
response = notifications['response']
|
|
notification_tuples = open_ended_notifications.NOTIFICATION_TYPES
|
|
|
|
notification_list = []
|
|
for response_num in xrange(0, len(notification_tuples)):
|
|
tag = notification_tuples[response_num][0]
|
|
if tag in response:
|
|
url_name = notification_tuples[response_num][1]
|
|
human_name = notification_tuples[response_num][2]
|
|
url = _reverse_without_slash(url_name, course_id)
|
|
has_img = response[tag]
|
|
|
|
# check to make sure we have descriptions and alert messages
|
|
if human_name in DESCRIPTION_DICT:
|
|
description = DESCRIPTION_DICT[human_name]
|
|
else:
|
|
description = ""
|
|
|
|
if human_name in ALERT_DICT:
|
|
alert_message = ALERT_DICT[human_name]
|
|
else:
|
|
alert_message = ""
|
|
|
|
notification_item = {
|
|
'url': url,
|
|
'name': human_name,
|
|
'alert': has_img,
|
|
'description': description,
|
|
'alert_message': alert_message
|
|
}
|
|
notification_list.append(notification_item)
|
|
|
|
ajax_url = _reverse_with_slash('open_ended_notifications', course_id)
|
|
combined_dict = {
|
|
'error_text': "",
|
|
'notification_list': notification_list,
|
|
'course': course,
|
|
'success': True,
|
|
'ajax_url': ajax_url,
|
|
}
|
|
|
|
return render_to_response('open_ended_problems/combined_notifications.html',
|
|
combined_dict
|
|
)
|
|
|
|
|
|
@cache_control(no_cache=True, no_store=True, must_revalidate=True)
|
|
def take_action_on_flags(request, course_id):
|
|
"""
|
|
Takes action on student flagged submissions.
|
|
Currently, only support unflag and ban actions.
|
|
"""
|
|
if request.method != 'POST':
|
|
raise Http404
|
|
|
|
|
|
required = ['submission_id', 'action_type', 'student_id']
|
|
for key in required:
|
|
if key not in request.POST:
|
|
return HttpResponse(json.dumps({'success': False, 'error': 'Missing key {0}'.format(key)}),
|
|
mimetype="application/json")
|
|
|
|
p = request.POST
|
|
submission_id = p['submission_id']
|
|
action_type = p['action_type']
|
|
student_id = p['student_id']
|
|
student_id = student_id.strip(' \t\n\r')
|
|
submission_id = submission_id.strip(' \t\n\r')
|
|
action_type = action_type.lower().strip(' \t\n\r')
|
|
try:
|
|
response = controller_qs.take_action_on_flags(course_id, student_id, submission_id, action_type)
|
|
return HttpResponse(response, mimetype="application/json")
|
|
except GradingServiceError:
|
|
log.exception("Error saving calibration grade, submission_id: {0}, submission_key: {1}, grader_id: {2}".format(submission_id, submission_key, grader_id))
|
|
return _err_response('Could not connect to grading service')
|