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# IVLE - Informatics Virtual Learning Environment
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# Copyright (C) 2007-2009 The University of Melbourne
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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# Author: Matt Giuca, Nick Chadwick
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'''AJAX backend for the tutorial application.'''
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from storm.locals import Store
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from ivle.database import Exercise, ExerciseAttempt, ExerciseSave, Worksheet, \
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Offering, Subject, Semester, User, WorksheetExercise
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import ivle.worksheet.utils
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from ivle.webapp.base.rest import (JSONRESTView, write_operation,
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from ivle.webapp.errors import NotFound
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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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@require_permission('edit')
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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.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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# Trim off any trailing whitespace (can cause syntax errors in python)
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# While technically this is a user error, it causes a lot of confusion
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# for student since it's "invisible".
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code = data['code'].rstrip()
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test_results = ivle.worksheet.utils.test_exercise_submission(
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req.config, req.user, self.context.worksheet_exercise.exercise,
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attempt = ivle.database.ExerciseAttempt(user=req.user,
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worksheet_exercise = self.context.worksheet_exercise,
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date = datetime.datetime.now(),
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complete = test_results['passed'],
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req.store.add(attempt)
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# Query the DB to get an updated score on whether or not this problem
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# has EVER been completed (may be different from "passed", if it has
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# been completed before), and the total number of attempts.
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completed, attempts = ivle.worksheet.utils.get_exercise_status(
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req.store, req.user, self.context.worksheet_exercise)
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test_results["completed"] = completed
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test_results["attempts"] = attempts
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class AttemptRESTView(JSONRESTView):
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'''REST view of an exercise attempt.'''
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@require_permission('view')
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return {'code': self.context.text}
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class WorksheetExerciseRESTView(JSONRESTView):
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'''REST view of a worksheet exercise.'''
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@write_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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old_save = req.store.find(ExerciseSave,
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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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new_save = ExerciseSave()
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req.store.add(new_save)
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new_save.worksheet_exercise = self.context
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new_save.user = req.user
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new_save.text = unicode(text)
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new_save.date = datetime.datetime.now()
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return {"result": "ok"}
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class WorksheetsRESTView(JSONRESTView):
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"""View used to update and create Worksheets."""
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@write_operation('edit_worksheets')
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def move_up(self, req, worksheetid):
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"""Takes a list of worksheet-seq_no pairs and updates their
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corresponding Worksheet objects to match."""
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worksheet_below = req.store.find(Worksheet,
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Worksheet.offering_id == self.context.id,
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Worksheet.identifier == unicode(worksheetid)).one()
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if worksheet_below is None:
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raise NotFound('worksheet_below')
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worksheet_above = req.store.find(Worksheet,
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Worksheet.offering_id == self.context.id,
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Worksheet.seq_no == (worksheet_below.seq_no - 1)).one()
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if worksheet_above is None:
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raise NotFound('worksheet_above')
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worksheet_below.seq_no = worksheet_below.seq_no - 1
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worksheet_above.seq_no = worksheet_above.seq_no + 1
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return {'result': 'ok'}
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@write_operation('edit_worksheets')
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def move_down(self, req, worksheetid):
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"""Takes a list of worksheet-seq_no pairs and updates their
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corresponding Worksheet objects to match."""
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worksheet_above = req.store.find(Worksheet,
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Worksheet.offering_id == self.context.id,
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Worksheet.identifier == unicode(worksheetid)).one()
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if worksheet_above is None:
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raise NotFound('worksheet_below')
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worksheet_below = req.store.find(Worksheet,
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Worksheet.offering_id == self.context.id,
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Worksheet.seq_no == (worksheet_above.seq_no + 1)).one()
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if worksheet_below is None:
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raise NotFound('worksheet_above')
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worksheet_below.seq_no = worksheet_below.seq_no - 1
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worksheet_above.seq_no = worksheet_above.seq_no + 1
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return {'result': 'ok'}
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removed
ivle/webapp/tutorial/service.py
