119 lines
3.5 KiB
Python
119 lines
3.5 KiB
Python
# Grading Views
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import logging
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import urllib
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from django.conf import settings
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from django.views.decorators.cache import cache_control
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from mitxmako.shortcuts import render_to_response
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from django.core.urlresolvers import reverse
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from student.models import unique_id_for_user
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from courseware.courses import get_course_with_access
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from peer_grading_service import PeerGradingService
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from peer_grading_service import MockPeerGradingService
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from grading_service import GradingServiceError
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import json
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from .staff_grading import StaffGrading
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log = logging.getLogger(__name__)
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template_imports = {'urllib': urllib}
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if settings.MOCK_PEER_GRADING:
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peer_gs = MockPeerGradingService()
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else:
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peer_gs = PeerGradingService(settings.PEER_GRADING_INTERFACE)
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"""
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Reverses the URL from the name and the course id, and then adds a trailing slash if
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it does not exist yet
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"""
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def _reverse_with_slash(url_name, course_id):
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ajax_url = reverse(url_name, kwargs={'course_id': course_id})
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if not ajax_url.endswith('/'):
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ajax_url += '/'
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return ajax_url
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@cache_control(no_cache=True, no_store=True, must_revalidate=True)
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def staff_grading(request, course_id):
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"""
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Show the instructor grading interface.
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"""
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course = get_course_with_access(request.user, course_id, 'staff')
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ajax_url = _reverse_with_slash('staff_grading', course_id)
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return render_to_response('instructor/staff_grading.html', {
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'course': course,
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'course_id': course_id,
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'ajax_url': ajax_url,
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# Checked above
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'staff_access': True, })
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@cache_control(no_cache=True, no_store=True, must_revalidate=True)
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def peer_grading(request, course_id):
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'''
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Show a peer grading interface
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'''
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course = get_course_with_access(request.user, course_id, 'load')
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# call problem list service
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success = False
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error_text = ""
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problem_list = []
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try:
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problem_list_json = peer_gs.get_problem_list(course_id, unique_id_for_user(request.user))
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problem_list_dict = json.loads(problem_list_json)
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success = problem_list_dict['success']
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if 'error' in problem_list_dict:
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error_text = problem_list_dict['error']
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problem_list = problem_list_dict['problem_list']
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except GradingServiceError:
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error_text = "Error occured while contacting the grading service"
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success = False
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# catch error if if the json loads fails
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except ValueError:
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error_text = "Could not get problem list"
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success = False
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ajax_url = _reverse_with_slash('peer_grading', course_id)
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return render_to_response('peer_grading/peer_grading.html', {
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'course': course,
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'course_id': course_id,
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'ajax_url': ajax_url,
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'success': success,
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'problem_list': problem_list,
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'error_text': error_text,
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# Checked above
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'staff_access': False, })
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@cache_control(no_cache=True, no_store=True, must_revalidate=True)
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def peer_grading_problem(request, course_id):
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'''
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Show individual problem interface
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'''
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course = get_course_with_access(request.user, course_id, 'load')
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problem_location = request.GET.get("location")
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ajax_url = _reverse_with_slash('peer_grading', course_id)
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return render_to_response('peer_grading/peer_grading_problem.html', {
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'view_html': '',
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'course': course,
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'problem_location': problem_location,
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'course_id': course_id,
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'ajax_url': ajax_url,
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# Checked above
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'staff_access': False, })
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