1
# IVLE - Informatics Virtual Learning Environment
2
# Copyright (C) 2007-2009 The University of Melbourne
4
# This program is free software; you can redistribute it and/or modify
5
# it under the terms of the GNU General Public License as published by
6
# the Free Software Foundation; either version 2 of the License, or
7
# (at your option) any later version.
9
# This program is distributed in the hope that it will be useful,
10
# but WITHOUT ANY WARRANTY; without even the implied warranty of
11
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12
# GNU General Public License for more details.
14
# You should have received a copy of the GNU General Public License
15
# along with this program; if not, write to the Free Software
16
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18
# Author: Matt Giuca, Nick Chadwick
20
'''AJAX backend for the tutorial application.'''
25
from storm.locals import Store
28
from ivle.database import Exercise, ExerciseAttempt, ExerciseSave, Worksheet, \
29
Offering, Subject, Semester, User, WorksheetExercise
30
import ivle.worksheet.utils
31
from ivle.webapp.base.rest import (JSONRESTView, named_operation,
33
from ivle.webapp.errors import NotFound
36
TIMESTAMP_FORMAT = '%Y-%m-%d %H:%M:%S'
39
class AttemptsRESTView(JSONRESTView):
40
'''REST view of a user's attempts at an exercise.'''
42
@require_permission('edit')
44
"""Handles a GET Attempts action."""
45
attempts = req.store.find(ExerciseAttempt,
46
ExerciseAttempt.ws_ex_id == self.context.worksheet_exercise.id,
47
ExerciseAttempt.user_id == self.context.user.id)
48
# attempts is a list of ExerciseAttempt objects. Convert to dictionaries
49
time_fmt = lambda dt: datetime.datetime.strftime(dt, TIMESTAMP_FORMAT)
50
attempts = [{'date': time_fmt(a.date), 'complete': a.complete}
56
@require_permission('edit')
57
def PUT(self, req, data):
58
""" Tests the given submission """
59
test_results = ivle.worksheet.utils.test_exercise_submission(
60
req.config, req.user, self.context.worksheet_exercise.exercise,
63
attempt = ivle.database.ExerciseAttempt(user=req.user,
64
worksheet_exercise = self.context.worksheet_exercise,
65
date = datetime.datetime.now(),
66
complete = test_results['passed'],
67
text = unicode(data['code'])
70
req.store.add(attempt)
72
# Query the DB to get an updated score on whether or not this problem
73
# has EVER been completed (may be different from "passed", if it has
74
# been completed before), and the total number of attempts.
75
completed, attempts = ivle.worksheet.utils.get_exercise_status(
76
req.store, req.user, self.context.worksheet_exercise)
77
test_results["completed"] = completed
78
test_results["attempts"] = attempts
83
class AttemptRESTView(JSONRESTView):
84
'''REST view of an exercise attempt.'''
86
@require_permission('view')
88
return {'code': self.context.text}
91
class WorksheetExerciseRESTView(JSONRESTView):
92
'''REST view of a worksheet exercise.'''
94
@named_operation('view')
95
def save(self, req, text):
96
# Find the appropriate WorksheetExercise to save to. If its not found,
97
# the user is submitting against a non-existant worksheet/exercise
99
old_save = req.store.find(ExerciseSave,
100
ExerciseSave.ws_ex_id == self.context.id,
101
ExerciseSave.user == req.user).one()
103
#Overwrite the old, or create a new if there isn't one
105
new_save = ExerciseSave()
106
req.store.add(new_save)
110
new_save.worksheet_exercise = self.context
111
new_save.user = req.user
112
new_save.text = unicode(text)
113
new_save.date = datetime.datetime.now()
115
return {"result": "ok"}
118
class WorksheetsRESTView(JSONRESTView):
119
"""View used to update and create Worksheets."""
121
@named_operation('edit_worksheets')
122
def move_up(self, req, worksheetid):
123
"""Takes a list of worksheet-seq_no pairs and updates their
124
corresponding Worksheet objects to match."""
126
worksheet_below = req.store.find(Worksheet,
127
Worksheet.offering_id == self.context.id,
128
Worksheet.identifier == unicode(worksheetid)).one()
129
if worksheet_below is None:
130
raise NotFound('worksheet_below')
131
worksheet_above = req.store.find(Worksheet,
132
Worksheet.offering_id == self.context.id,
133
Worksheet.seq_no == (worksheet_below.seq_no - 1)).one()
134
if worksheet_above is None:
135
raise NotFound('worksheet_above')
137
worksheet_below.seq_no = worksheet_below.seq_no - 1
138
worksheet_above.seq_no = worksheet_above.seq_no + 1
140
return {'result': 'ok'}
142
@named_operation('edit_worksheets')
143
def move_down(self, req, worksheetid):
144
"""Takes a list of worksheet-seq_no pairs and updates their
145
corresponding Worksheet objects to match."""
147
worksheet_above = req.store.find(Worksheet,
148
Worksheet.offering_id == self.context.id,
149
Worksheet.identifier == unicode(worksheetid)).one()
150
if worksheet_above is None:
151
raise NotFound('worksheet_below')
152
worksheet_below = req.store.find(Worksheet,
153
Worksheet.offering_id == self.context.id,
154
Worksheet.seq_no == (worksheet_above.seq_no + 1)).one()
155
if worksheet_below is None:
156
raise NotFound('worksheet_above')
158
worksheet_below.seq_no = worksheet_below.seq_no - 1
159
worksheet_above.seq_no = worksheet_above.seq_no + 1
161
return {'result': 'ok'}
added
removed
ivle/webapp/tutorial/service.py
