291 lines
10 KiB
Python
291 lines
10 KiB
Python
import logging
|
|
import urllib
|
|
|
|
from fs.osfs import OSFS
|
|
|
|
from django.conf import settings
|
|
from django.core.context_processors import csrf
|
|
from django.contrib.auth.models import User
|
|
from django.contrib.auth.decorators import login_required
|
|
from django.http import Http404
|
|
from django.shortcuts import redirect
|
|
from mitxmako.shortcuts import render_to_response, render_to_string
|
|
#from django.views.decorators.csrf import ensure_csrf_cookie
|
|
from django_future.csrf import ensure_csrf_cookie
|
|
from django.views.decorators.cache import cache_control
|
|
|
|
from lxml import etree
|
|
|
|
from module_render import render_x_module, make_track_function, I4xSystem
|
|
from models import StudentModule
|
|
from student.models import UserProfile
|
|
from multicourse import multicourse_settings
|
|
import xmodule
|
|
|
|
import courseware.content_parser as content_parser
|
|
|
|
import courseware.grades as grades
|
|
|
|
log = logging.getLogger("mitx.courseware")
|
|
|
|
etree.set_default_parser(etree.XMLParser(dtd_validation=False, load_dtd=False,
|
|
remove_comments = True))
|
|
|
|
template_imports={'urllib':urllib}
|
|
|
|
@cache_control(no_cache=True, no_store=True, must_revalidate=True)
|
|
def gradebook(request):
|
|
if 'course_admin' not in content_parser.user_groups(request.user):
|
|
raise Http404
|
|
|
|
coursename = multicourse_settings.get_coursename_from_request(request)
|
|
|
|
student_objects = User.objects.all()[:100]
|
|
student_info = [{'username' :s.username,
|
|
'id' : s.id,
|
|
'email': s.email,
|
|
'grade_info' : grades.grade_sheet(s,coursename),
|
|
'realname' : UserProfile.objects.get(user = s).name
|
|
} for s in student_objects]
|
|
|
|
return render_to_response('gradebook.html',{'students':student_info})
|
|
|
|
@login_required
|
|
@cache_control(no_cache=True, no_store=True, must_revalidate=True)
|
|
def profile(request, student_id = None):
|
|
''' User profile. Show username, location, etc, as well as grades .
|
|
We need to allow the user to change some of these settings .'''
|
|
|
|
if student_id is None:
|
|
student = request.user
|
|
else:
|
|
if 'course_admin' not in content_parser.user_groups(request.user):
|
|
raise Http404
|
|
student = User.objects.get( id = int(student_id))
|
|
|
|
user_info = UserProfile.objects.get(user=student) # request.user.profile_cache #
|
|
|
|
coursename = multicourse_settings.get_coursename_from_request(request)
|
|
|
|
context={'name':user_info.name,
|
|
'username':student.username,
|
|
'location':user_info.location,
|
|
'language':user_info.language,
|
|
'email':student.email,
|
|
'format_url_params' : content_parser.format_url_params,
|
|
'csrf':csrf(request)['csrf_token']
|
|
}
|
|
context.update(grades.grade_sheet(student,coursename))
|
|
|
|
return render_to_response('profile.html', context)
|
|
|
|
def render_accordion(request,course,chapter,section):
|
|
''' Draws navigation bar. Takes current position in accordion as
|
|
parameter. Returns (initialization_javascript, content)'''
|
|
if not course:
|
|
course = "6.002 Spring 2012"
|
|
|
|
toc=content_parser.toc_from_xml(content_parser.course_file(request.user,course), chapter, section)
|
|
active_chapter=1
|
|
for i in range(len(toc)):
|
|
if toc[i]['active']:
|
|
active_chapter=i
|
|
context=dict([['active_chapter',active_chapter],
|
|
['toc',toc],
|
|
['course_name',course],
|
|
['format_url_params',content_parser.format_url_params],
|
|
['csrf',csrf(request)['csrf_token']]] + \
|
|
template_imports.items())
|
|
return render_to_string('accordion.html',context)
|
|
|
|
@cache_control(no_cache=True, no_store=True, must_revalidate=True)
|
|
def render_section(request, section):
|
|
''' TODO: Consolidate with index
|
|
'''
|
|
user = request.user
|
|
if not settings.COURSEWARE_ENABLED:
|
|
return redirect('/')
|
|
|
|
coursename = multicourse_settings.get_coursename_from_request(request)
|
|
|
|
try:
|
|
dom = content_parser.section_file(user, section, coursename)
|
|
except:
|
|
log.exception("Unable to parse courseware xml")
|
|
return render_to_response('courseware-error.html', {})
|
|
|
|
context = {
|
|
'csrf': csrf(request)['csrf_token'],
|
|
'accordion': render_accordion(request, '', '', '')
|
|
}
|
|
|
|
module_ids = dom.xpath("//@id")
|
|
|
|
if user.is_authenticated():
|
|
module_object_preload = list(StudentModule.objects.filter(student=user,
|
|
module_id__in=module_ids))
|
|
else:
|
|
module_object_preload = []
|
|
|
|
try:
|
|
module = render_x_module(user, request, dom, module_object_preload)
|
|
except:
|
|
log.exception("Unable to load module")
|
|
context.update({
|
|
'init': '',
|
|
'content': render_to_string("module-error.html", {}),
|
|
})
|
|
return render_to_response('courseware.html', context)
|
|
|
|
context.update({
|
|
'init':module.get('init_js', ''),
|
|
'content':module['content'],
|
|
})
|
|
|
|
result = render_to_response('courseware.html', context)
|
|
return result
|
|
|
|
|
|
@ensure_csrf_cookie
|
|
@cache_control(no_cache=True, no_store=True, must_revalidate=True)
|
|
def index(request, course=None, chapter="Using the System", section="Hints",position=None):
|
|
''' Displays courseware accordion, and any associated content.
|
|
|
|
Arguments:
|
|
|
|
- request : HTTP request
|
|
- course : coursename (str)
|
|
- chapter : chapter name (str)
|
|
- section : section name (str)
|
|
- position : position in module, eg of <sequential> module (str)
|
|
|
|
Returns:
|
|
|
|
- HTTPresponse
|
|
|
|
'''
|
|
user = request.user
|
|
if not settings.COURSEWARE_ENABLED:
|
|
return redirect('/')
|
|
|
|
if course==None:
|
|
if not settings.ENABLE_MULTICOURSE:
|
|
course = "6.002 Spring 2012"
|
|
elif 'coursename' in request.session:
|
|
course = request.session['coursename']
|
|
else:
|
|
course = settings.COURSE_DEFAULT
|
|
|
|
# Fixes URLs -- we don't get funny encoding characters from spaces
|
|
# so they remain readable
|
|
## TODO: Properly replace underscores
|
|
course=course.replace("_"," ")
|
|
chapter=chapter.replace("_"," ")
|
|
section=section.replace("_"," ")
|
|
|
|
# use multicourse module to determine if "course" is valid
|
|
#if course!=settings.COURSE_NAME.replace('_',' '):
|
|
if not multicourse_settings.is_valid_course(course):
|
|
return redirect('/')
|
|
|
|
request.session['coursename'] = course # keep track of current course being viewed in django's request.session
|
|
|
|
try:
|
|
# this is the course.xml etree
|
|
dom = content_parser.course_file(user,course) # also pass course to it, for course-specific XML path
|
|
except:
|
|
log.exception("Unable to parse courseware xml")
|
|
return render_to_response('courseware-error.html', {})
|
|
|
|
# this is the module's parent's etree
|
|
dom_module = dom.xpath("//course[@name=$course]/chapter[@name=$chapter]//section[@name=$section]",
|
|
course=course, chapter=chapter, section=section)
|
|
|
|
#print "DM", dom_module
|
|
|
|
if len(dom_module) == 0:
|
|
module_wrapper = None
|
|
else:
|
|
module_wrapper = dom_module[0]
|
|
|
|
if module_wrapper is None:
|
|
module = None
|
|
elif module_wrapper.get("src"):
|
|
module = content_parser.section_file(user=user, section=module_wrapper.get("src"), coursename=course)
|
|
else:
|
|
# this is the module's etree
|
|
module = etree.XML(etree.tostring(module_wrapper[0])) # Copy the element out of the tree
|
|
|
|
module_ids = []
|
|
if module is not None:
|
|
module_ids = module.xpath("//@id",
|
|
course=course, chapter=chapter, section=section)
|
|
|
|
if user.is_authenticated():
|
|
module_object_preload = list(StudentModule.objects.filter(student=user,
|
|
module_id__in=module_ids))
|
|
else:
|
|
module_object_preload = []
|
|
|
|
context = {
|
|
'csrf': csrf(request)['csrf_token'],
|
|
'accordion': render_accordion(request, course, chapter, section),
|
|
'COURSE_TITLE':multicourse_settings.get_course_title(course),
|
|
}
|
|
|
|
try:
|
|
module_context = render_x_module(user, request, module, module_object_preload, position)
|
|
except:
|
|
log.exception("Unable to load module")
|
|
context.update({
|
|
'init': '',
|
|
'content': render_to_string("module-error.html", {}),
|
|
})
|
|
return render_to_response('courseware.html', context)
|
|
|
|
context.update({
|
|
'init': module_context.get('init_js', ''),
|
|
'content': module_context['content'],
|
|
})
|
|
|
|
result = render_to_response('courseware.html', context)
|
|
return result
|
|
|
|
def jump_to(request, probname=None):
|
|
'''
|
|
Jump to viewing a specific problem. The problem is specified by a problem name - currently the filename (minus .xml)
|
|
of the problem. Maybe this should change to a more generic tag, eg "name" given as an attribute in <problem>.
|
|
|
|
We do the jump by (1) reading course.xml to find the first instance of <problem> with the given filename, then
|
|
(2) finding the parent element of the problem, then (3) rendering that parent element with a specific computed position
|
|
value (if it is <sequential>).
|
|
|
|
'''
|
|
# get coursename if stored
|
|
coursename = multicourse_settings.get_coursename_from_request(request)
|
|
|
|
# begin by getting course.xml tree
|
|
xml = content_parser.course_file(request.user,coursename)
|
|
|
|
# look for problem of given name
|
|
pxml = xml.xpath('//problem[@filename="%s"]' % probname)
|
|
if pxml: pxml = pxml[0]
|
|
|
|
# get the parent element
|
|
parent = pxml.getparent()
|
|
|
|
# figure out chapter and section names
|
|
chapter = None
|
|
section = None
|
|
branch = parent
|
|
for k in range(4): # max depth of recursion
|
|
if branch.tag=='section': section = branch.get('name')
|
|
if branch.tag=='chapter': chapter = branch.get('name')
|
|
branch = branch.getparent()
|
|
|
|
position = None
|
|
if parent.tag=='sequential':
|
|
position = parent.index(pxml)+1 # position in sequence
|
|
|
|
return index(request,course=coursename,chapter=chapter,section=section,position=position)
|