def test_CommaSeparatedIntegerField(self):
lazy_func = lazy(lambda: '1,2', six.text_type)
self.assertIsInstance(
CommaSeparatedIntegerField().get_prep_value(lazy_func()),
six.text_type)
lazy_func = lazy(lambda: 0, int)
self.assertIsInstance(
CommaSeparatedIntegerField().get_prep_value(lazy_func()),
six.text_type)
class Diem(models.Model):
sinh_vien=ForeignKey(SinhVien,
blank=False, null=False,
verbose_name="Sinh viên")
mon_thi = ForeignKey(MonThi,
blank=False, null=False,
verbose_name="Môn thi")
trang_thai_thi = CharField(max_length=20,
choices=TRANG_THAI_THI,
default='DA_THI',
verbose_name='Trạng thái thi')
diem=CommaSeparatedIntegerField(max_length=5, blank=True, null=True,
verbose_name="Điểm")
class Meta:
unique_together = (('sinh_vien', 'mon_thi'),)
verbose_name = "Điểm"
verbose_name_plural = "Bảng điểm"
class Binding(models.Model):
data_form = models.ForeignKey('DataForm')
field = models.ForeignKey('Field')
field_choice = models.ForeignKey(
'FieldChoice',
blank=True,
null=True,
help_text=
'Optionally narrow down to a choice on this field if available.')
operator = models.CharField(max_length=255,
choices=BINDING_OPERATOR_CHOICES)
value = models.CharField(
max_length=255,
blank=True,
help_text="Required if a Operator is equal to 'checked'.")
true_field = SeparatedValuesField(blank=True)
true_choice = SeparatedValuesField(blank=True)
false_field = SeparatedValuesField(blank=True)
false_choice = SeparatedValuesField(blank=True)
action = models.CharField(max_length=255,
choices=BINDING_ACTION_CHOICES,
default='show-hide')
function = models.CharField(
max_length=255,
blank=True,
help_text="Required if Action is equal to 'Function'.")
additional_rules = CommaSeparatedIntegerField(max_length=200, blank=True)
def clean(self):
# Field requires a Operator and Value
if self.operator != 'checked' and not self.value:
raise ValidationError(
"A Value is required if the Operator is not equal to 'checked'."
)
if self.field_choice and self.operator != 'checked':
raise ValidationError(
"Operator must be equal to 'checked of Field Choice is selected."
)
# A field or choice is required
if (not self.true_field and not self.true_choice
and not self.false_field and not self.field_choice):
raise ValidationError('A Field or Choice is required.')
# If action is function, then a function is needed
if self.action == 'function' and not self.function:
raise ValidationError(
'A function is required if action is function.')
# If additional rules are applied, then the rules cannot be the same as current record
if self.additional_rules and unicode(self.id) in self.additional_rules:
raise ValidationError(
'You cannot apply the current rule to additional rules.')
def __unicode__(self):
return '%s' % self.pk
class Meta:
verbose_name = 'Field Binding'
verbose_name_plural = 'Field Bindings'
class CaThi(models.Model):
'''
Thiet lap mot ca thi, trong do co danh sach cau hoi de tu do lam
cac de thi cho tung sinh vien
'''
title = CharField(verbose_name="Ca thi", max_length=200, blank=False)
description=TextField(verbose_name="Ghi chú", blank=True, null=True)
mon_thi = ForeignKey(MonThi, blank=False, null=False,
verbose_name="Môn thi")
# lop_thi = ForeignKey(Lop, blank=False, null=False,
# verbose_name="Lớp thi")
# ds_thisinh = ForeignKey(Lop_CaThi, blank=False, null=False,
# verbose_name="Danh sách thí sinh")
ds_giamthi = ManyToManyField(GiaoVien, verbose_name=u'Danh sách giám thị coi thi')
ds_thisinh = ManyToManyField(SinhVien, blank=False,
verbose_name=u"Danh sách thí sinh")
ds_thisinh.help_text = 'Tìm kiếm theo họ tên sinh viên hoặc mã lớp.'
ngay_thi = DateField(verbose_name="Ngày thi")
tg_bat_dau=TimeField(verbose_name="Thời gian bắt đầu")
tg_ket_thuc=TimeField(verbose_name="Thời gian kết thúc")
ds_cau_hoi = CommaSeparatedIntegerField(max_length=1024,
verbose_name="Danh sach cau hoi (ids)")
# setting = ManyToManyField(QuestionGroup_Setting,
# verbose_name="Thiết lập cấu hình ca thi")
tao_moi_de_thi = BooleanField(blank=False, null=False,
verbose_name="Tạo mới đề thi cho các sinh viên",
default=True)
random_order = BooleanField(blank=False, null=False,
verbose_name="Hiển thị câu hỏi ngẫu nhiên",
default=True)
answers_at_end = BooleanField(blank=False, null=False,
verbose_name="Hiển thị câu trả lời khi kết thúc",
default=False)
result_at_end = BooleanField(blank=False, null=False,
verbose_name="Hiển thị kết quả khi kết thúc",
default=True)
exam_paper = BooleanField(blank=False, null=False,
verbose_name="Lưu bài thi",
default=True)
single_attempt = BooleanField(blank=False, null=False,
verbose_name="Mỗi người một đề thi",
default=True)
pass_mark = PositiveIntegerField(verbose_name="Điểm đạt yêu cầu")
success_text = TextField(blank=True,
verbose_name="Thông báo được hiển thị nếu thí sinh vượt qua")
fail_text = TextField(blank=True,
verbose_name="Thông báo được hiển thị nếu thí sinh không vượt qua")
draft=BooleanField(verbose_name="Bản nháp",
default=False)
class Meta:
verbose_name = "Ca thi"
verbose_name_plural = "Danh sách ca thi"
def __unicode__(self):
return u'%s' %(self.title)
def save(self, *args, **kwargs):
# luu CaThi va Cathi_Setting
# super(CaThi, self).save(*args, **kwargs)
# # lay danh sach cau hoi cho ca thi
# # lay cathi_setting
questionGroup_settings = QuestionGroup_Setting.objects.filter(ca_thi__exact=self)
# # cac cau hoi cua de thi
questions = []
for cathi_setting in questionGroup_settings:
# lay cau hoi theo nhom va loai (type)
qs = Question.objects.filter(mon_thi=self.mon_thi,
question_type = cathi_setting.question_type,
question_group = cathi_setting.question_group)
# lay id
q_ids = qs.values_list('id', flat=True)
# lay ngau nhien so cau hoi
questions += sample(q_ids, cathi_setting.num_of_questions)
self.ds_cau_hoi = ','.join(map(str, questions)) + ","
# luu CaThi-ds_cauhoi
super(CaThi, self).save(*args, **kwargs)
# tao de thi cho tung sinh vien
# lay danh sach sinh vien cua lop
# dsSV = SinhVien.objects.filter(lop=self.lop_thi)
dsSV = self.ds_thisinh.all()
if(self.tao_moi_de_thi == False):
return
# voi moi sinh vien, tao mot de thi
for sv in dsSV:
# tao de thi
dethi = DeThi.objects.update_or_create(sinh_vien=sv,
ca_thi=self,
)[0]
# lay ngau nhien cau hoi trong ngan hang de
ds_cauhoi = sample(questions, len(questions))
ds_cauhoi_answer = []
for cauhoi_id in ds_cauhoi:
# lay cau hoi voi id tuong ung
q = Question.objects.get(id=cauhoi_id)
# neu cau hoi la multichoice question thi hoan doi thu tu
# cau tra loi
if q.question_type == MCQUESTION:
# lay cac cau tra loi cua cau hoi nay
# q = (MCQuestion)q
# answers = Answer.objects.filter(question=q.id)
q.__class__ = MCQuestion
answers = q.getAnswers()
# lay id cua cac cau hoi
answer_ids = answers.values_list('id', flat=True)
# dao thu tu cau tra loi
answer_ids = sample(answer_ids, len(answer_ids))
# add vao mot dictionary
ds_cauhoi_answer.append((cauhoi_id, answer_ids))
elif q.question_type == TFQUESTION:
ds_cauhoi_answer.append((cauhoi_id, [1, 0]))
else:
ds_cauhoi_answer.append((cauhoi_id, []))
dethi.ds_cau_hoi = json.dumps(ds_cauhoi_answer)
dethi.save()
def test_CommaSeparatedIntegerField(self):
self.assertIsInstance(
CommaSeparatedIntegerField().get_prep_value('1,2'), six.text_type)
self.assertIsInstance(CommaSeparatedIntegerField().get_prep_value(0),
six.text_type)
def test_CommaSeparatedIntegerField(self):
self.assertIsInstance(CommaSeparatedIntegerField().get_prep_value('1,2'), str)
self.assertIsInstance(CommaSeparatedIntegerField().get_prep_value(0), unicode)