Hi, you need read this first
https://docs.djangoproject.com/en/4.0/ref/contrib/admin/actions/
and then this
https://stackoverflow.com/questions/3989894/create-a-django-admin-action-to-duplicate-a-record
Cheers
On Tue, Jan 11, 2022 at 3:44 AM skumar pandey <iamspandey02...@gmail.com>
wrote:
> Can you please create a user who can update their profile using django
> rest framework and along with jwt authentication its a request.
>
> On Tue, 11 Jan 2022, 12:24 pm Alibek Khojabekov, <
> alibek.khojabe...@nu.edu.kz> wrote:
>
>> Hello everyone,
>> I am bit confused about making duplicate of a Course object in admin
>> actions with all related child objects. So my Models are:
>>
>> class Course(models.Model):
>> PROGRAMMING = 1
>> DESIGN = 2
>> ROBOTICS = 3
>> DIGITAL_LITERACY = 4
>> IT_ENTREPRENEURSHIP = 5
>> CATEGORY_CHOICES = (
>> (PROGRAMMING, 'Программирование, IT предпринимательство'),
>> (DESIGN, 'Компьютерная графика и медиа'),
>> (ROBOTICS, 'Робототехника и электроника'),
>> (DIGITAL_LITERACY, 'Компьютерная грамотность'),
>> )
>>
>> NEW = 1
>> PROGRESS = 2
>> READY = 3
>>
>> STATUS_CHOICES = (
>> (NEW, 'Новый'),
>> (PROGRESS, 'В прогрессе'),
>> (READY, 'Готово'),
>> )
>>
>> class Meta:
>> ordering = ['pk']
>>
>> course_type = models.ForeignKey(
>> Category, related_name='courses', on_delete=models.SET_NULL, blank=True,
>> null=True, db_index=True)
>> name = models.CharField(max_length=120, db_index=True)
>> short_description = models.TextField(blank=True, null=True)
>> description = models.TextField(blank=True, null=True)
>> image = models.FileField(upload_to=upload_path, null=True, blank=True)
>> icon = models.FileField(upload_to=upload_path, null=True, blank=True)
>> video_link = models.URLField(max_length=200, null=True, blank=True)
>> target_audience = models.TextField(blank=True, null=True)
>> price = models.DecimalField(max_digits=8, decimal_places=2, default=0.00,
>> validators=[
>> MinValueValidator(Decimal('0.00'))], blank=True)
>> author = models.ForeignKey(
>> 'users.User', default=1, on_delete=models.SET_NULL, null=True)
>> language = models.CharField(
>> max_length=3, choices=settings.LANGUAGES, default='ru', db_index=True)
>> category = models.PositiveSmallIntegerField(
>> choices=CATEGORY_CHOICES, default=PROGRAMMING, db_index=True)
>> robotics_kit = models.ForeignKey(
>> RoboticsKit, related_name='courses', on_delete=models.SET_NULL,
>> blank=True, null=True)
>> course_class = models.ManyToManyField(
>> CourseClass, related_name='courses')
>> status = models.PositiveSmallIntegerField(
>> choices=STATUS_CHOICES, default=NEW, blank=True)
>> order_list = models.CharField(max_length=500, validators=[
>> int_list_validator], blank=True, null=True)
>> created_date = models.DateTimeField(auto_now_add=True)
>> is_accessible = models.BooleanField(default=True, null=True, blank=True)
>> is_intro = models.BooleanField(default=False, null=True, blank=True)
>> projects = models.ManyToManyField(
>> "self", blank=True, related_name='courses')
>> # objects = DefaultSelectOrPrefetchManager(
>> # select_related=('robotics_kit', 'course_class', 'course_type'))
>>
>> def __str__(self):
>> return self.name
>>
>> class Section(models.Model):
>> class Meta:
>> ordering = ['pk']
>>
>> course = models.ForeignKey(
>> Course, related_name='sections', on_delete=models.CASCADE)
>> name = models.CharField(max_length=120)
>> created_date = models.DateTimeField(auto_now_add=True)
>> order_list = models.CharField(max_length=500, validators=[
>> int_list_validator], blank=True, null=True)
>>
>> def __str__(self):
>> return self.name
>>
>> class SubSection(models.Model):
>> class Meta:
>> ordering = ['pk']
>>
>> section = models.ForeignKey(
>> Section, related_name='sub_sections', on_delete=models.CASCADE)
>> name = models.CharField(max_length=120)
>> goal = models.TextField(max_length=500, default='', blank=True, null=True)
>> image = models.FileField(upload_to=upload_path, null=True, blank=True,
>> validators=[
>> FileExtensionValidator(allowed_extensions=['jpg', 'png', 'jpeg'])])
>> link = models.URLField(max_length=200, null=True, blank=True)
>> created_date = models.DateTimeField(auto_now_add=True)
>> order_list = models.CharField(max_length=500, validators=[
>> int_list_validator], blank=True, null=True)
>> is_homework = models.BooleanField(default=False)
>>
>> materials = GenericRelation(
>> "Material", null=True, related_query_name='sub_section')
>>
>> comments = GenericRelation(
>> "Comment", null=True, related_query_name='sub_sections')
>> point = models.PositiveSmallIntegerField(default=0)
>> skills = models.ManyToManyField(Skill)
>> hours = models.PositiveIntegerField(default=0, blank=True)
>>
>> def __str__(self):
>> return self.name
>>
>> def get_absolute_url(self):
>> return reverse("sub_section", kwargs={"course_pk": self.section.course.pk
>> ,
>> "section_pk": self.section.pk, "sub_section_pk": self.pk})
>>
>> class Step(models.Model):
>> class Meta:
>> ordering = ['pk']
>>
>> TEXT = 1
>> HINT = 2
>> TEST = 3
>> EXERCISE = 4
>> CODE_EXAMPLE = 5
>> MODELING_3D = 6
>> VIDEO = 7
>> MATERIALS = 8
>>
>> TYPE_CHOICES = (
>> (TEXT, 'Текст'),
>> (HINT, 'Подсказка'),
>> (TEST, 'Тестовое задание'),
>> (EXERCISE, 'Упражнение для программирование'),
>> (CODE_EXAMPLE, 'Пример кода'),
>> (MODELING_3D, 'Пример 3D модели'),
>> (VIDEO, 'Видео'),
>> (MATERIALS, 'Материалы'),
>> )
>>
>> sub_section = models.ForeignKey(
>> SubSection, related_name='steps', on_delete=models.CASCADE)
>> name = models.CharField(blank=True, max_length=255)
>> step_type = models.PositiveSmallIntegerField(
>> choices=TYPE_CHOICES, default=TEXT)
>> materials = GenericRelation(
>> "Material", null=True, related_query_name='step')
>> created_date = models.DateTimeField(auto_now_add=True)
>>
>> class TextLinkFileStep(models.Model):
>> step = models.OneToOneField(
>> Step, related_name='step_text_link_file', on_delete=models.CASCADE,
>> null=True, blank=True)
>> text = models.TextField(blank=True, null=True)
>> file = models.FileField(upload_to=upload_path, null=True, blank=True)
>> link = models.URLField(max_length=200, null=True, blank=True)
>> created_date = models.DateTimeField(auto_now_add=True)
>>
>> so here I need help how to correctly get those fileds and make duplicate
>> from top Course object to bottom TextLinkFileStep objects
>>
>> def make_duplicate(modeladmin, request, queryset):
>> for obj in queryset:
>> pk = obj.id
>> try:
>> course = Course.objects.prefetch_related(
>> "sections",
>> "sections__sub_sections",
>> "sections__sub_sections__tests",
>> "sections__sub_sections__tests__answers",
>> Prefetch(
>> "sections__sub_sections__steps",
>> Step.objects.select_related("step_text_link_file", "step_test"),
>> ),
>> "skills",
>> ).get(pk=pk)
>>
>> # new course
>> new_course = course
>> new_course.pk = None
>> new_course.name = course.name + " Copy"
>> new_course.status = course.status
>>
>> # course_skills
>> for skill in course.skills.all():
>> new_skill = skill
>> new_skill.pk = None
>> new_skill.course = new_course
>> new_skill.save()
>>
>> course_order_list = list()
>>
>> # changing order list
>> new_course.save()
>> # course_sections
>> for section in course.sections.all():
>> new_section = section
>> new_section.pk = None
>> new_section.course = new_course
>>
>> section_order_list = list()
>> new_section.save()
>> course_order_list.append(new_section.id)
>>
>> # section sub_section
>> for sub_section in section.sub_sections.all():
>> new_sub_section = sub_section
>> new_sub_section.pk = None
>> new_sub_section.section = new_section
>>
>> sub_section_order_list = []
>> new_sub_section.save()
>> section_order_list.append(new_sub_section.id)
>> # steps and text_link_file
>> for step in sub_section.steps.all():
>> new_step = step
>> new_step.pk = None
>> new_step.sub_section = new_sub_section
>> new_step.save()
>> # copying test_step and test_step
>> if step.step_type == Step.TEST:
>> print("step is test")
>> # new_test_step = step.step_test
>> # new_test_step.pk = None
>> # new_test_step.step = new_step
>> # new_test_step.save()
>>
>> sub_section_order_list.append(new_step.id)
>> print(step.id) # error new step iz
>>
>> try:
>> # text_file_link, txt_file_created =
>> TextLinkFileStep.objects.get_or_create(
>> # step=Step(pk=step.id)) # .values('text', 'file', 'link')
>>
>> # new_text_file_link = text_file_link
>> # needed line below
>> new_text_file_link = TextLinkFileStep.objects.create(
>> step=step,
>> text=step.text_file_link.text,
>> link=step.text_file_link.link,
>> file=step.text_file_link.file,
>> )
>> # new_text_file_link = step.step_text_link_file
>> # new_text_file_link.pk = None
>> # new_text_file_link.step = new_step
>> # new_text_file_link.text = text_file_link.text
>> print("text is", step.text_file_link)
>> new_text_file_link.save()
>> except:
>> print("text link file step tries to be existed")
>>
>> # tests = Test.objects.filter(sub_section__pk=sub_section.id)
>> # for test in list(tests):
>> # new_test = test
>> # new_test.pk = None
>> # new_test.sub_section = new_sub_section
>> # new_test.save()
>> # answers = AnswerStep.objects.filter(test__pk=test.id)
>> # for answer in list(answers):
>> # new_answer = answer
>> # new_answer.pk = None
>> # new_answer.test = new_test
>> # new_answer.save()
>>
>> new_sub_section.order_list = from_list_to_chars(sub_section_order_list)
>> new_sub_section.save()
>> new_section.order_list = from_list_to_chars(section_order_list)
>> new_section.save()
>> new_course.order_list = from_list_to_chars(course_order_list)
>> new_course.save()
>>
>> except Course.DoesNotExist:
>> print("course does not exist")
>>
>> So my function above is failing in Step and TextLinkFileStep objects
>> I need your assistance in this issue. My only hope is for this community))
>> Feel free to make any suggestions
>> Best regards
>>
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>>
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--
att.
Carlos Rocha
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