168f76ce5a
* More tests for mongo modulestore, including tweaks to test files * add location_to_id method to CourseDescriptors * Implement path_to_location method in mongo.py - TODO: does not handle position in sequences yet. * fix bug in jump_to view.
75 lines
2.2 KiB
Python
75 lines
2.2 KiB
Python
import time
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import dateutil.parser
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import logging
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from xmodule.modulestore import Location
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from xmodule.seq_module import SequenceDescriptor, SequenceModule
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log = logging.getLogger(__name__)
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class CourseDescriptor(SequenceDescriptor):
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module_class = SequenceModule
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metadata_attributes = SequenceDescriptor.metadata_attributes + ('org', 'course')
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def __init__(self, system, definition=None, **kwargs):
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super(CourseDescriptor, self).__init__(system, definition, **kwargs)
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try:
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self.start = time.strptime(self.metadata["start"], "%Y-%m-%dT%H:%M")
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except KeyError:
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self.start = time.gmtime(0) #The epoch
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log.critical("Course loaded without a start date. %s", self.id)
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except ValueError as e:
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self.start = time.gmtime(0) #The epoch
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log.critical("Course loaded with a bad start date. %s '%s'",
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self.id, e)
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def has_started(self):
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return time.gmtime() > self.start
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@staticmethod
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def id_to_location(course_id):
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'''Convert the given course_id (org/course/name) to a location object.
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Throws ValueError if course_id is of the wrong format.
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'''
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org, course, name = course_id.split('/')
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return Location('i4x', org, course, 'course', name)
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@staticmethod
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def location_to_id(location):
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'''Convert a location of a course to a course_id. If location category
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is not "course", raise a ValueError.
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location: something that can be passed to Location
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'''
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loc = Location(location)
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if loc.category != "course":
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raise ValueError("{0} is not a course location".format(loc))
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return "/".join([loc.org, loc.course, loc.name])
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@property
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def id(self):
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return self.location_to_id(self.location)
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@property
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def start_date_text(self):
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return time.strftime("%b %d, %Y", self.start)
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@property
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def title(self):
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return self.metadata['display_name']
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@property
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def number(self):
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return self.location.course
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@property
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def wiki_namespace(self):
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return self.location.course
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@property
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def org(self):
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return self.location.org
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