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from storm.locals import Store
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import ivle.console
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import ivle.database
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from ivle.database import Exercise, ExerciseAttempt, ExerciseSave, Worksheet, \
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Offering, Subject, Semester, WorksheetExercise
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Offering, Subject, Semester, User, WorksheetExercise
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import ivle.worksheet.utils
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import ivle.webapp.tutorial.test
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from ivle.webapp.base.rest import (JSONRESTView, named_operation,
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require_permission)
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from ivle.webapp.errors import NotFound
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# If True, getattempts or getattempt will allow browsing of inactive/disabled
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# attempts. If False, will not allow this.
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HISTORY_ALLOW_INACTIVE = False
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TIMESTAMP_FORMAT = '%Y-%m-%d %H:%M:%S'
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class AttemptsRESTView(JSONRESTView):
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'''REST view of a user's attempts at an exercise.'''
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def __init__(self, req, subject, year, semester, worksheet,
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self.user = ivle.database.User.get_by_login(req.store, username)
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self.worksheet_exercise = req.store.find(WorksheetExercise,
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WorksheetExercise.exercise_id == unicode(exercise),
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WorksheetExercise.worksheet_id == Worksheet.id,
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Worksheet.offering_id == Offering.id,
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Worksheet.identifier == unicode(worksheet),
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Offering.subject_id == Subject.id,
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Subject.code == subject,
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Offering.semester_id == Semester.id,
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Semester.year == year,
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Semester.semester == semester).one()
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self.context = self.user # XXX: Not quite right.
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@require_permission('edit')
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def GET(self, req):
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"""Handles a GET Attempts action."""
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attempts = req.store.find(ExerciseAttempt,
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ExerciseAttempt.ws_ex_id == self.worksheet_exercise.id,
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ExerciseAttempt.user_id == self.user.id)
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ExerciseAttempt.ws_ex_id == self.context.worksheet_exercise.id,
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ExerciseAttempt.user_id == self.context.user.id)
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# attempts is a list of ExerciseAttempt objects. Convert to dictionaries
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time_fmt = lambda dt: datetime.datetime.strftime(dt, TIMESTAMP_FORMAT)
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attempts = [{'date': time_fmt(a.date), 'complete': a.complete}
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@require_permission('edit')
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def PUT(self, req, data):
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""" Tests the given submission """
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exercise = req.store.find(Exercise,
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Exercise.id == self.worksheet_exercise.exercise_id).one()
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# Start a console to run the tests on
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jail_path = os.path.join(ivle.conf.jail_base, req.user.login)
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jail_path = os.path.join(req.config['paths']['jails']['mounts'],
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working_dir = os.path.join("/home", req.user.login)
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cons = ivle.console.Console(req.user.unixid, jail_path, working_dir)
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cons = ivle.console.Console(req.config, req.user.unixid, jail_path,
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# Parse the file into a exercise object using the test suite
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exercise_obj = ivle.webapp.tutorial.test.parse_exercise_file(
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self.context.worksheet_exercise.exercise, cons)
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# Run the test cases. Get the result back as a JSONable object.
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class AttemptRESTView(JSONRESTView):
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'''REST view of an exercise attempt.'''
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def __init__(self, req, subject, year, semester, worksheet, exercise,
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# TODO: Find exercise within worksheet.
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user = ivle.database.User.get_by_login(req.store, username)
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date = datetime.datetime.strptime(date, TIMESTAMP_FORMAT)
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# XXX Hack around Google Code issue #87
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# Query from the given date +1 secnod.
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# Date is in seconds (eg. 3:47:12), while the data is in finer time
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# (eg. 3:47:12.3625). The query "date <= 3:47:12" will fail because
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# 3:47:12.3625 is greater. Hence we do the query from +1 second,
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# "date <= 3:47:13", and it finds the correct submission, UNLESS there
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# are multiple submissions inside the same second.
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date += datetime.timedelta(seconds=1)
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worksheet_exercise = req.store.find(WorksheetExercise,
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WorksheetExercise.exercise_id == exercise,
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WorksheetExercise.worksheet_id == Worksheet.id,
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Worksheet.identifier == worksheet,
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Worksheet.offering_id == Offering.id,
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Offering.subject_id == Subject.id,
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Subject.code == subject,
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Offering.semester_id == Semester.id,
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Semester.year == year,
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Semester.semester == semester).one()
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attempt = ivle.worksheet.utils.get_exercise_attempt(req.store, user,
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worksheet_exercise, as_of=date,
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allow_inactive=HISTORY_ALLOW_INACTIVE)
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self.context = attempt
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@require_permission('view')
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def GET(self, req):
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return {'code': self.context.text}
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class WorksheetExerciseRESTView(JSONRESTView):
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'''REST view of an exercise.'''
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def get_permissions(self, user):
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# XXX: Do it properly.
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# XXX: Does any user have the ability to save as themselves?
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# XXX: Does a user EVER have permission to save as another user?
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@named_operation('save')
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'''REST view of a worksheet exercise.'''
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@named_operation('view')
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def save(self, req, text):
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# Find the appropriate WorksheetExercise to save to. If its not found,
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# the user is submitting against a non-existant worksheet/exercise
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worksheet_exercise = req.store.find(WorksheetExercise,
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WorksheetExercise.exercise_id == self.exercise,
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WorksheetExercise.worksheet_id == Worksheet.id,
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Worksheet.offering_id == Offering.id,
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Offering.subject_id == Subject.id,
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Subject.code == self.subject,
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Offering.semester_id == Semester.id,
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Semester.year == self.year,
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Semester.semester == self.semester).one()
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if worksheet_exercise is None:
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old_save = req.store.find(ExerciseSave,
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ExerciseSave.ws_ex_id == worksheet_exercise.id,
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ExerciseSave.ws_ex_id == self.context.id,
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ExerciseSave.user == req.user).one()
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#Overwrite the old, or create a new if there isn't one
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return {"result": "ok"}
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# Note that this is the view of an existing worksheet. Creation is handled
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# by OfferingRESTView (as offerings have worksheets)
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class WorksheetRESTView(JSONRESTView):
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"""View used to update a worksheet."""
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def get_permissions(self, user):
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# XXX: Do it properly.
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# XXX: Lecturers should be allowed to add worksheets Only to subjects
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# under their control
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def __init__(self, req, **kwargs):
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self.worksheet = kwargs['worksheet']
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self.subject = kwargs['subject']
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self.year = kwargs['year']
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self.semester = kwargs['semester']
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self.context = req.store.find(Worksheet,
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Worksheet.identifier == self.worksheet,
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Worksheet.offering_id == Offering.id,
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Offering.subject_id == Subject.id,
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Subject.code == self.subject,
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Offering.semester_id == Semester.id,
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Semester.year == self.year,
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Semester.semester == self.semester).one()
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if self.context is None:
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@named_operation('save')
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@named_operation('edit')
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def save(self, req, name, assessable, data, format):
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"""Takes worksheet data and saves it."""
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self.context.name = unicode(name)
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class WorksheetsRESTView(JSONRESTView):
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"""View used to update and create Worksheets."""
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def get_permissions(self, user):
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# XXX: Do it properly.
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# XXX: Lecturers should be allowed to add worksheets Only to subjects
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# under their control
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def __init__(self, req, **kwargs):
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self.subject = kwargs['subject']
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self.year = kwargs['year']
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self.semester = kwargs['semester']
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self.context = req.store.find(Offering,
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Offering.subject_id == Subject.id,
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Subject.code == self.subject,
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Offering.semester_id == Semester.id,
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Semester.year == self.year,
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Semester.semester == self.semester).one()
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if self.context is None:
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@named_operation('edit')
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def add_worksheet(self, req, identifier, name, assessable, data, format):
added
removed
ivle/webapp/tutorial/service.py
