Files
edx-platform/lms/djangoapps/open_ended_grading/views.py
2013-01-29 21:24:03 -05:00

231 lines
7.7 KiB
Python

# Grading Views
import logging
import urllib
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 peer_grading_service import PeerGradingService
from peer_grading_service import MockPeerGradingService
from controller_query_service import ControllerQueryService
from grading_service 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
log = logging.getLogger(__name__)
template_imports = {'urllib': urllib}
if settings.MOCK_PEER_GRADING:
peer_gs = MockPeerGradingService()
else:
peer_gs = PeerGradingService(settings.PEER_GRADING_INTERFACE)
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
@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')
# call problem list service
success = False
error_text = ""
problem_list = []
try:
problem_list_json = peer_gs.get_problem_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 = problem_list_dict['problem_list']
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('peer_grading', course_id)
return render_to_response('peer_grading/peer_grading.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 peer_grading_problem(request, course_id):
'''
Show individual problem interface
'''
course = get_course_with_access(request.user, course_id, 'load')
problem_location = request.GET.get("location")
ajax_url = _reverse_with_slash('peer_grading', course_id)
return render_to_response('peer_grading/peer_grading_problem.html', {
'view_html': '',
'course': course,
'problem_location': problem_location,
'course_id': course_id,
'ajax_url': ajax_url,
# Checked above
'staff_access': False, })
@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 = 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 = 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 + "/"
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 combined_notifications(request, course_id):
course = get_course_with_access(request.user, course_id, 'load')
user = request.user
notifications = open_ended_notifications.combined_notifications(course, user)
log.debug(notifications)
response = notifications['response']
notification_tuples=open_ended_notifications.NOTIFICATION_TYPES
notification_list = []
description_dict = {
'Peer Grading': "View all problems that require peer assessment in this particular course.",
'Staff Grading': "View ungraded submissions submitted by your students for the open ended problems in the course.",
'Problems you have submitted': "View open ended problems that you have previously submitted for grading."
}
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]
notification_item = {
'url' : url,
'name' : human_name,
'alert' : has_img,
'description': description_dict[human_name]
}
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
)