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# IVLE - Informatics Virtual Learning Environment
# Copyright (C) 2007-2009 The University of Melbourne
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
# Author: Nick Chadwick
import ivle.database
from ivle.database import Exercise, TestSuite, TestCase, \
TestSuiteVar, TestCasePart
from ivle.webapp.base.rest import (JSONRESTView, named_operation,
require_permission)
from ivle.webapp.errors import NotFound
class ExercisesRESTView(JSONRESTView):
"""Rest view for adding an exercise."""
#Only lecturers and admins can add exercises
def get_permissions(self, user):
if user is not None:
if user.admin:
return set(['save'])
elif user in set((e.role for e in req.user.active_enrolments)):
return set(['save'])
else:
return set()
else:
return set()
@named_operation('save')
def add_exercise(self, req, identifier, name, description, partial, solution, include, num_rows):
new_exercise = Exercise()
new_exercise.id = unicode(identifier)
new_exercise.description = description
new_exercise.partial = partial
new_exercise.solution = solution
new_exercise.include = include
new_exercise.num_rows = num_rows
req.store.add(new_exercise)
return {'result': 'ok'}
class ExerciseRESTView(JSONRESTView):
"""View for updating Exercises"""
def get_permissions(self, user):
if user is not None:
if user.admin:
return set([u'edit'])
elif user in set((e.role for e in req.user.active_enrolments)):
return set([u'edit'])
else:
return set()
else:
return set()
def __init__(self, req, exercise):
self.context = req.store.find(Exercise,
Exercise.id == exercise).one()
if self.context is None:
raise NotFound()
@named_operation(u'edit')
def edit_exercise(self, req, name, description, partial,
solution, include, num_rows):
self.context.name = unicode(name)
self.context.description = unicode(description)
self.context.partial = unicode(partial)
self.context.solution = unicode(solution)
self.context.include = unicode(include)
self.context.num_rows = int(num_rows)
return {'result': 'moo'}
@named_operation(u'edit')
def add_suite(self, req, description, function, stdin):
new_suite = TestSuite()
new_suite.description = unicode(description)
new_suite.seq_no = self.context.test_suites.count()
new_suite.function = unicode(function)
new_suite.stdin = unicode(stdin)
new_suite.exercise = self.context
req.store.add(new_suite)
return {'result': 'ok'}
@named_operation(u'edit')
def edit_suite(self, req, suiteid, description, function, stdin):
suite = req.store.find(TestSuite,
TestSuite.suiteid == int(suiteid),
TestSuite.exercise_id == self.context.id).one()
if suite is None:
raise NotFound()
suite.description = unicode(description)
suite.function = unicode(function)
suite.stdin = unicode(stdin)
return {'result': 'ok'}
@named_operation(u'edit')
def add_var(self, req, suiteid, var_type, var_name, var_val, argno):
suite = req.store.find(TestSuite,
TestSuite.suiteid == int(suiteid),
TestSuite.exercise_id == self.context.id).one()
if suite is None:
raise NotFound()
new_var = TestSuiteVar()
new_var.var_type = unicode(var_type)
new_var.var_name = unicode(var_name)
new_var.var_val = unicode(var_val)
new_var.argno = argno
new_var.suite = suite
req.store.add(new_var)
return {'result': 'ok'}
@named_operation(u'edit')
def edit_var(self, req, suiteid, varid, var_type, var_name, var_val, argno):
var = req.store.find(TestSuiteVar,
TestSuiteVar.varid == int(varid),
TestSuiteVar.suiteid == int(suiteid)
).one()
if var is None:
raise NotFound()
var.var_type = unicode(var_type)
var.var_name = unicode(var_name)
var.var_val = unicode(var_val)
var.argno = int(argno)
return {'result': 'ok'}
@named_operation(u'edit')
def add_testcase(self, req, suiteid, passmsg, failmsg, default):
suite = req.store.find(TestSuite,
TestSuite.suiteid == int(suiteid),
TestSuite.exercise_id == self.context.id).one()
if suite is None:
raise NotFound()
new_case = TestCase()
new_case.passmsg = unicode(passmsg)
new_case.failmsg = unicode(failmsg)
new_case.default = unicode(default)
new_case.seq_no = suite.test_cases.count()
suite.test_cases.add(new_case)
req.store.add(new_case)
return {'result': 'ok'}
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