Exemplo n.º 1
0
class StudentsGroupForm(forms.ModelForm):
    subject = None
    participants = ParticipantsMultipleChoiceField(queryset=None,
                                                   required=False)

    def __init__(self, *args, **kwargs):
        super(StudentsGroupForm, self).__init__(*args, **kwargs)

        self.subject = kwargs["initial"].get("subject", None)

        if self.instance.id:
            self.subject = self.instance.subject

        self.fields["participants"].queryset = self.subject.students.all()

    def clean_name(self):
        name = self.cleaned_data.get("name", "")

        if self.instance.id:
            same_name = (self.subject.group_subject.filter(
                name__unaccent__iexact=name).exclude(
                    id=self.instance.id).count())
        else:
            same_name = self.subject.group_subject.filter(
                name__unaccent__iexact=name).count()

        if same_name > 0:
            self._errors["name"] = [
                _("This subject already has a group with this name")
            ]

            return ValueError

        return name

    class Meta:
        model = StudentsGroup
        fields = ["name", "description", "participants"]
        widgets = {
            "description": forms.Textarea,
            "participants": forms.SelectMultiple,
        }
Exemplo n.º 2
0
class FileLinkForm(forms.ModelForm):
	subject = None
	MAX_UPLOAD_SIZE = 10*1024*1024

	students = ParticipantsMultipleChoiceField(queryset = None, required = False)
	
	def __init__(self, *args, **kwargs):
		super(FileLinkForm, self).__init__(*args, **kwargs)

		self.subject = kwargs['initial'].get('subject', None)
		
		if self.instance.id:
			self.subject = self.instance.topic.subject
			self.initial['tags'] = ", ".join(self.instance.tags.all().values_list("name", flat = True))
		
		self.fields['students'].queryset = self.subject.students.all()
		self.fields['groups'].queryset = self.subject.group_subject.all()

	tags = forms.CharField(label = _('Tags'), required = False)

	class Meta:
		model = FileLink
		fields = ['name', 'file_content', 'brief_description', 'all_students', 'students', 'groups', 'visible']
		labels = {
			'name': _('File name'),
		}
		widgets = {
			'brief_description': forms.Textarea,
			'students': forms.SelectMultiple,
			'groups': forms.SelectMultiple,
			'file_content': ResubmitFileWidget(attrs={'accept':'image/jpeg,image/x-citrix-jpeg,image/png,image/x-citrix-png,image/x-png,application/vnd.openxmlformats-officedocument.wordprocessingml.document,application/vnd.openxmlformats-officedocument.spreadsheetml.sheet,application/vnd.openxmlformats-officedocument.presentationml.slideshow,application/vnd.openxmlformats-officedocument.presentationml.presentation,application/vnd.ms-excel,text/html,application/msword,application/vnd.oasis.opendocument.presentation,application/vnd.oasis.opendocument.spreadsheet,application/vnd.oasis.opendocument.text,application/pdf,application/vnd.ms-powerpoint'}),
		}

	def clean_name(self):
		name = self.cleaned_data.get('name', '')
		
		topics = self.subject.topic_subject.all()

		for topic in topics:
			if self.instance.id:
				same_name = topic.resource_topic.filter(name__unaccent__iexact = name).exclude(id = self.instance.id).count()
			else:
				same_name = topic.resource_topic.filter(name__unaccent__iexact = name).count()
		
			if same_name > 0:
				self._errors['name'] = [_('This subject already has a file link with this name')]

				return ValueError

		return name

	def clean_file_content(self):
		file_content = self.cleaned_data.get('file_content', False)
		
		if file_content:
			if hasattr(file_content, '_size'):
				if file_content._size > self.MAX_UPLOAD_SIZE:
					self._errors['file_content'] = [_("The file is too large. It should have less than 10MB.")]

					return ValueError
		
		elif not self.instance.pk:
			self._errors['file_content'] = [_('This field is required.')]

			return ValueError

		return file_content

	def save(self, commit = True):
		super(FileLinkForm, self).save(commit = True)

		self.instance.save()

		previous_tags = self.instance.tags.all()

		tags = self.cleaned_data['tags'].split(",")

        #Excluding unwanted tags
		for prev in previous_tags:
			if not prev.name in tags:
				self.instance.tags.remove(prev)
        
		for tag in tags:
			tag = tag.strip()

			exist = Tag.objects.filter(name = tag).exists()

			if exist:
				new_tag = Tag.objects.get(name = tag)
			else:
				new_tag = Tag.objects.create(name = tag)

			if not new_tag in self.instance.tags.all():
				self.instance.tags.add(new_tag)

		return self.instance
Exemplo n.º 3
0
class WebpageForm(forms.ModelForm):
    subject = None
    students = ParticipantsMultipleChoiceField(queryset = None, required = False)
    
    def __init__(self, *args, **kwargs):
        super(WebpageForm, self).__init__(*args, **kwargs)

        self.subject = kwargs['initial'].get('subject', None)
        
        if self.instance.id:
            self.subject = self.instance.topic.subject
            self.initial['tags'] = ", ".join(self.instance.tags.all().values_list("name", flat = True))
        
        self.fields['students'].queryset = self.subject.students.all()
        self.fields['groups'].queryset = self.subject.group_subject.all()

    tags = forms.CharField(label = _('Tags'), required = False)

    class Meta:
        model = Webpage
        fields = ['name', 'content', 'brief_description', 'all_students', 'students', 'groups', 'show_window', 'visible']
        labels = {
            'name': _('Webpage name'),
            'content': _('Webpage content'),
        }
        widgets = {
            'content': forms.Textarea,
            'brief_description': forms.Textarea,
            'students': forms.SelectMultiple,
            'groups': forms.SelectMultiple,
        }

    def clean_name(self):
        name = self.cleaned_data.get('name', '')
        
        topics = self.subject.topic_subject.all()

        for topic in topics:
            if self.instance.id:
                same_name = topic.resource_topic.filter(name__unaccent__iexact = name).exclude(id = self.instance.id).count()
            else:
                same_name = topic.resource_topic.filter(name__unaccent__iexact = name).count()
        
            if same_name > 0:
                self._errors['name'] = [_('This subject already has a webpage with this name')]

                return ValueError

        return name

    def clean_content(self):
        content = self.cleaned_data.get('content', '')
        cleaned_content = strip_tags(content)
        
        if cleaned_content == '':
            self._errors['content'] = [_('This field is required.')]

            return ValueError

        return content

    def save(self, commit = True):
        super(WebpageForm, self).save(commit = True)

        self.instance.save()

        previous_tags = self.instance.tags.all()

        tags = self.cleaned_data['tags'].split(",")

        #Excluding unwanted tags
        for prev in previous_tags:
            if not prev.name in tags:
                self.instance.tags.remove(prev)
        
        for tag in tags:
            tag = tag.strip()

            exist = Tag.objects.filter(name = tag).exists()

            if exist:
                new_tag = Tag.objects.get(name = tag)
            else:
                new_tag = Tag.objects.create(name = tag)

            if not new_tag in self.instance.tags.all():
                self.instance.tags.add(new_tag)

        return self.instance
Exemplo n.º 4
0
class YTVideoForm(forms.ModelForm):
    subject = None
    control_subject = forms.CharField(widget=forms.HiddenInput())
    students = ParticipantsMultipleChoiceField(queryset=None, required=False)

    def __init__(self, *args, **kwargs):
        super(YTVideoForm, self).__init__(*args, **kwargs)

        self.subject = kwargs['initial'].get('subject', None)

        if self.instance.id:
            self.subject = self.instance.topic.subject
            self.initial['tags'] = ", ".join(
                self.instance.tags.all().values_list("name", flat=True))

        self.initial['control_subject'] = self.subject.id

        self.fields['students'].queryset = self.subject.students.all()
        self.fields['groups'].queryset = self.subject.group_subject.all()

    tags = forms.CharField(label=_('Tags'), required=False)

    class Meta:
        model = YTVideo
        fields = [
            'name', 'url', 'brief_description', 'all_students', 'students',
            'groups', 'show_window', 'visible'
        ]
        labels = {
            'name': _('Video title'),
        }
        widgets = {
            'brief_description': forms.Textarea,
            'students': forms.SelectMultiple,
            'groups': forms.SelectMultiple,
        }

    def clean_name(self):
        name = self.cleaned_data.get('name', '')

        topics = self.subject.topic_subject.all()

        for topic in topics:
            if self.instance.id:
                same_name = topic.resource_topic.filter(
                    name__unaccent__iexact=name).exclude(
                        id=self.instance.id).count()
            else:
                same_name = topic.resource_topic.filter(
                    name__unaccent__iexact=name).count()

            if same_name > 0:
                self._errors['name'] = [
                    _('This subject already has a resource with this name')
                ]

                return ValueError

        return name

    def clean_url(self):
        url = self.cleaned_data.get('url', '')
        if url[0].lower() != "h": url = "https://" + url
        if (re.compile("https?://w{3}\.youtube\.com/").match(url) == None
                and re.compile("https?://youtu\.be/").match(url)
                == None) or requests.get(url).status_code == 404:
            self._errors['url'] = [
                _('Invalid URL. It should be an YouTube link.')
            ]
            return ValueError
        if re.compile("https?://youtu\.be/").match(url) != None:
            url = url.replace("youtu.be", "www.youtube.com/embed")
        return url

    def save(self, commit=True):
        super(YTVideoForm, self).save(commit=True)

        self.instance.save()

        previous_tags = self.instance.tags.all()

        tags = self.cleaned_data['tags'].split(",")

        #Excluding unwanted tags
        for prev in previous_tags:
            if not prev.name in tags:
                self.instance.tags.remove(prev)

        for tag in tags:
            tag = tag.strip()

            exist = Tag.objects.filter(name=tag).exists()

            if exist:
                new_tag = Tag.objects.get(name=tag)
            else:
                new_tag = Tag.objects.create(name=tag)

            if not new_tag in self.instance.tags.all():
                self.instance.tags.add(new_tag)

        return self.instance
Exemplo n.º 5
0
class PDFFileForm(forms.ModelForm):
    subject = None
    MAX_UPLOAD_SIZE = 10 * 1024 * 1024

    students = ParticipantsMultipleChoiceField(queryset=None, required=False)

    def __init__(self, *args, **kwargs):
        super(PDFFileForm, self).__init__(*args, **kwargs)
        self.subject = kwargs.get("initial").get("subject", None)

        if self.instance.id:
            self.subject = self.instance.topic.subject
            self.initial["tags"] = ", ".join(
                self.instance.tags.all().values_list("name", flat=True))

        self.fields["students"].queryset = self.subject.students.all()
        self.fields["groups"].queryset = self.subject.group_subject.all()

    tags = forms.CharField(label=_("Tags"), required=False)

    class Meta:
        model = PDFFile
        fields = [
            "name",
            "file",
            "brief_description",
            "show_window",
            "all_students",
            "students",
            "groups",
            "visible",
        ]
        labels = {
            "name": _("File name"),
        }
        widgets = {
            "brief_description":
            forms.Textarea,
            "students":
            forms.SelectMultiple,
            "groups":
            forms.SelectMultiple,
            "file":
            ResubmitFileWidget(
                attrs={
                    "accept":
                    "application/pdf, application/x-pdf, application/x-bzpdf, application/x-gzpdf"
                }),
        }

    def clean_name(self):
        name = self.cleaned_data.get("name", "")

        topics = self.subject.topic_subject.all()

        for topic in topics:
            if self.instance.id:
                same_name = (topic.resource_topic.filter(
                    name__unaccent__iexact=name).exclude(
                        id=self.instance.id).count())
            else:
                same_name = topic.resource_topic.filter(
                    name__unaccent__iexact=name).count()

            if same_name > 0:
                self._errors["name"] = [
                    _("This subject already has a pdf file with this name")
                ]

                return ValueError

        return name

    def clean_file(self):
        file = self.cleaned_data.get("file", False)

        if file:
            if hasattr(file, "_size"):
                if file._size > self.MAX_UPLOAD_SIZE:
                    self._errors["file"] = [
                        _("The file is too large. It should have less than 10MB."
                          )
                    ]

                    return ValueError

        elif not self.instance.pk:
            self._errors["file"] = [_("This field is required.")]

            return ValueError

        return file

    def save(self, commit=True):
        super(PDFFileForm, self).save(commit=True)

        self.instance.save()

        previous_tags = self.instance.tags.all()

        tags = self.cleaned_data["tags"].split(",")

        # Excluding unwanted tags
        for prev in previous_tags:
            if not prev.name in tags:
                self.instance.tags.remove(prev)

        for tag in tags:
            tag = tag.strip()

            exist = Tag.objects.filter(name=tag).exists()

            if exist:
                new_tag = Tag.objects.get(name=tag)
            else:
                new_tag = Tag.objects.create(name=tag)

            if not new_tag in self.instance.tags.all():
                self.instance.tags.add(new_tag)

        return self.instance
Exemplo n.º 6
0
class QuestionaryForm(forms.ModelForm):
    subject = None
    topic = None
    control_subject = forms.CharField(widget=forms.HiddenInput())

    students = ParticipantsMultipleChoiceField(queryset=None, required=False)

    def __init__(self, *args, **kwargs):
        super(QuestionaryForm, self).__init__(*args, **kwargs)
        self.subject = kwargs.get('initial').get('subject', None)
        self.topic = kwargs['initial'].get('topic', None)

        if self.instance.id:
            self.subject = self.instance.topic.subject
            self.topic = self.instance.topic
            self.initial['tags'] = ", ".join(
                self.instance.tags.all().values_list("name", flat=True))

        self.initial['control_subject'] = self.subject.id
        self.fields['students'].queryset = self.subject.students.all()
        self.fields['groups'].queryset = self.subject.group_subject.all()

    tags = forms.CharField(label=_('Tags'), required=False)

    class Meta:
        model = Questionary
        fields = [
            'name', 'presentation', 'data_ini', 'data_end',
            'brief_description', 'show_window', 'all_students', 'students',
            'groups', 'visible'
        ]
        labels = {
            'name': _('Questionary Name'),
        }
        widgets = {
            'presentation': forms.Textarea,
            'brief_description': forms.Textarea,
            'students': forms.SelectMultiple,
            'groups': forms.SelectMultiple,
        }

    def clean(self):
        cleaned_data = super(QuestionaryForm, self).clean()

        data_ini = cleaned_data.get('data_ini', None)
        data_end = cleaned_data.get('data_end', None)
        name = cleaned_data.get('name', '')

        if self.topic:
            if self.instance.id:
                same_name = self.topic.resource_topic.filter(
                    name__unaccent__iexact=name).exclude(
                        id=self.instance.id).count()
            else:
                same_name = self.topic.resource_topic.filter(
                    name__unaccent__iexact=name).count()

            if same_name > 0:
                self.add_error(
                    'name',
                    _('This subject already has a questionary with this name'))

        if data_ini:
            if not data_ini == ValueError:
                if not self.instance.id and data_ini.date() < datetime.today(
                ).date():
                    self.add_error(
                        'data_ini',
                        _("This input should be filled with a date equal or after today's date."
                          ))

                if data_ini.date() < self.subject.init_date:
                    self.add_error(
                        'data_ini',
                        _('This input should be filled with a date equal or after the subject begin date.("%s")'
                          ) % (self.subject.init_date))

                if data_ini.date() > self.subject.end_date:
                    self.add_error(
                        'data_ini',
                        _('This input should be filled with a date equal or before the subject end date.("%s")'
                          ) % (self.subject.end_date))
        else:
            self.add_error('data_ini', _('This field is required'))

        if data_end:
            if not data_end == ValueError:
                if not self.instance.id and data_end.date() < datetime.today(
                ).date():
                    self.add_error(
                        'data_end',
                        _("This input should be filled with a date equal or after today's date."
                          ))

                if data_end.date() < self.subject.init_date:
                    self.add_error(
                        'data_end',
                        _('This input should be filled with a date equal or after the subject begin date.("%s")'
                          ) % (self.subject.init_date))

                if data_end.date() > self.subject.end_date:
                    self.add_error(
                        'data_end',
                        _('This input should be filled with a date equal or before the subject end date.("%s")'
                          ) % (self.subject.end_date))

                if not data_ini == ValueError and data_ini and data_end < data_ini:
                    self.add_error(
                        'data_end',
                        _("This input should be filled with a date equal or before the date stabilished for the init."
                          ))
        else:
            self.add_error('data_end', _('This field is required'))

        return cleaned_data

    def save(self, commit=True):
        super(QuestionaryForm, self).save(commit=True)

        self.instance.save()

        previous_tags = self.instance.tags.all()

        tags = self.cleaned_data['tags'].split(",")

        #Excluding unwanted tags
        for prev in previous_tags:
            if not prev.name in tags:
                self.instance.tags.remove(prev)

        for tag in tags:
            tag = tag.strip()

            exist = Tag.objects.filter(name=tag).exists()

            if exist:
                new_tag = Tag.objects.get(name=tag)
            else:
                new_tag = Tag.objects.create(name=tag)

            if not new_tag in self.instance.tags.all():
                self.instance.tags.add(new_tag)

        return self.instance
Exemplo n.º 7
0
class LinkForm(forms.ModelForm):
    subject = None
    MAX_UPLOAD_SIZE = 10 * 1024 * 1024

    students = ParticipantsMultipleChoiceField(queryset=None, required=False)

    def __init__(self, *args, **kwargs):
        super(LinkForm, self).__init__(*args, **kwargs)

        self.subject = kwargs['initial'].get('subject', None)

        if self.instance.id:
            self.subject = self.instance.topic.subject
            self.initial['tags'] = ", ".join(
                self.instance.tags.all().values_list("name", flat=True))

        self.fields['students'].queryset = self.subject.students.all()
        self.fields['groups'].queryset = self.subject.group_subject.all()

    tags = forms.CharField(label=_('Tags'), required=False)
    link_url = forms.CharField(label=_('Website URL'), required=True)

    class Meta:
        model = Link
        fields = [
            'name', 'link_url', 'brief_description', 'all_students',
            'students', 'groups', 'visible'
        ]
        labels = {
            'name': _('Link name'),
            'end_view': _('End View'),
            'end_view_date': _('End View Date')
        }
        widgets = {
            'brief_description': forms.Textarea,
            'students': forms.SelectMultiple,
            'groups': forms.SelectMultiple,
        }

    def clean_name(self):
        name = self.cleaned_data.get('name', '')

        topics = self.subject.topic_subject.all()

        for topic in topics:
            if self.instance.id:
                same_name = topic.resource_topic.filter(
                    name__unaccent__iexact=name).exclude(
                        id=self.instance.id).count()
            else:
                same_name = topic.resource_topic.filter(
                    name__unaccent__iexact=name).count()

            if same_name > 0:
                self._errors['name'] = [
                    _('There is already a link with this name on this subject')
                ]

                return ValueError

        return name

    def clean_link_url(self):
        link_url = self.cleaned_data.get('link_url', '')
        if link_url[0].lower() != "h": link_url = "https://" + link_url
        if validators.url(link_url) != True:
            self._errors['link_url'] = [
                _('Invalid URL. It should be an valid link.')
            ]
            return ValueError

        return link_url

    def save(self, commit=True):
        super(LinkForm, self).save(commit=True)

        self.instance.save()

        previous_tags = self.instance.tags.all()

        tags = self.cleaned_data['tags'].split(",")

        #Excluding unwanted tags
        for prev in previous_tags:
            if not prev.name in tags:
                self.instance.tags.remove(prev)

        for tag in tags:
            tag = tag.strip()

            exist = Tag.objects.filter(name=tag).exists()

            if exist:
                new_tag = Tag.objects.get(name=tag)
            else:
                new_tag = Tag.objects.create(name=tag)

            if not new_tag in self.instance.tags.all():
                self.instance.tags.add(new_tag)

        return self.instance
Exemplo n.º 8
0
class MaterialDeliveryForm(forms.ModelForm):
    subject = None
    topic = None

    students = ParticipantsMultipleChoiceField(queryset=None, required=False)

    def __init__(self, *args, **kwargs):
        super(MaterialDeliveryForm, self).__init__(*args, **kwargs)
        self.subject = kwargs.get("initial").get("subject", None)
        self.topic = kwargs["initial"].get("topic", None)

        if self.instance.id:
            self.subject = self.instance.topic.subject
            self.topic = self.instance.topic
            self.initial["tags"] = ", ".join(
                self.instance.tags.all().values_list("name", flat=True))

        self.fields["students"].queryset = self.subject.students.all()
        self.fields["groups"].queryset = self.subject.group_subject.all()

    tags = forms.CharField(label=_("Tags"), required=False)

    class Meta:
        model = MaterialDelivery
        fields = [
            "name",
            "presentation",
            "data_ini",
            "data_end",
            "brief_description",
            "show_window",
            "all_students",
            "students",
            "groups",
            "visible",
        ]
        labels = {
            "name": _("Material Delivery Name"),
        }
        widgets = {
            "presentation": forms.Textarea,
            "brief_description": forms.Textarea,
            "students": forms.SelectMultiple,
            "groups": forms.SelectMultiple,
        }

    def clean(self):
        cleaned_data = super(MaterialDeliveryForm, self).clean()

        data_ini = cleaned_data.get("data_ini", None)
        data_end = cleaned_data.get("data_end", None)
        name = cleaned_data.get("name", "")
        presentation = self.cleaned_data.get('presentation', '')

        topics = self.subject.topic_subject.all()

        for topic in topics:
            if self.instance.id:
                same_name = (topic.resource_topic.filter(
                    name__unaccent__iexact=name).exclude(
                        id=self.instance.id).count())
            else:
                same_name = topic.resource_topic.filter(
                    name__unaccent__iexact=name).count()

            if same_name > 0:
                self.add_error(
                    "name",
                    _("This subject already has a material delivery with this name"
                      ))

                break

        cleaned_content = strip_tags(presentation)
        if cleaned_content == '':
            self.add_error('presentation', _('This field is required.'))

        todaysDate = timezone.localtime(timezone.now()).date()

        if data_ini:
            if not data_ini == ValueError:
                if not self.instance.id and data_ini.date() < todaysDate:
                    self.add_error(
                        "data_ini",
                        _("This input should be filled with a date equal or after today's date."
                          ),
                    )

                if data_ini.date() < self.subject.init_date:
                    self.add_error(
                        "data_ini",
                        _('This input should be filled with a date equal or after the subject begin date.("%s")'
                          ) % (self.subject.init_date),
                    )

                if data_ini.date() > self.subject.end_date:
                    self.add_error(
                        "data_ini",
                        _('This input should be filled with a date equal or before the subject end date.("%s")'
                          ) % (self.subject.end_date),
                    )
        else:
            self.add_error("data_ini", _("This field is required"))

        if data_end:
            if not data_end == ValueError:
                if not self.instance.id and data_end.date() < todaysDate:
                    self.add_error(
                        "data_end",
                        _("This input should be filled with a date equal or after today's date."
                          ),
                    )

                if data_end.date() < self.subject.init_date:
                    self.add_error(
                        "data_end",
                        _('This input should be filled with a date equal or after the subject begin date.("%s")'
                          ) % (self.subject.init_date),
                    )

                if data_end.date() > self.subject.end_date:
                    self.add_error(
                        "data_end",
                        _('This input should be filled with a date equal or before the subject end date.("%s")'
                          ) % (self.subject.end_date),
                    )

                if not data_ini == ValueError and data_ini and data_end < data_ini:
                    self.add_error(
                        "data_end",
                        _("This input should be filled with a date equal or after the date stabilished for the init."
                          ),
                    )
        else:
            self.add_error("data_end", _("This field is required"))

        return cleaned_data

    def save(self, commit=True):
        super(MaterialDeliveryForm, self).save(commit=True)

        self.instance.save()

        previous_tags = self.instance.tags.all()

        tags = self.cleaned_data["tags"].split(",")

        # Excluding unwanted tags
        for prev in previous_tags:
            if not prev.name in tags:
                self.instance.tags.remove(prev)

        for tag in tags:
            tag = tag.strip()

            exist = Tag.objects.filter(name=tag).exists()

            if exist:
                new_tag = Tag.objects.get(name=tag)
            else:
                new_tag = Tag.objects.create(name=tag)

            if not new_tag in self.instance.tags.all():
                self.instance.tags.add(new_tag)

        return self.instance
Exemplo n.º 9
0
class H5PForm(forms.ModelForm):
    MAX_UPLOAD_SIZE = 10 * 1024 * 1024

    subject = None
    control_subject = forms.CharField(widget=forms.HiddenInput())
    students = ParticipantsMultipleChoiceField(queryset=None, required=False)

    def __init__(self, *args, **kwargs):
        self.request = kwargs.pop("request")

        super(H5PForm, self).__init__(*args, **kwargs)

        self.subject = kwargs["initial"].get("subject", None)

        if self.instance.id:
            self.subject = self.instance.topic.subject
            self.initial["tags"] = ", ".join(
                self.instance.tags.all().values_list("name", flat=True))

        self.initial["control_subject"] = self.subject.id

        self.fields["students"].queryset = self.subject.students.all()
        self.fields["groups"].queryset = self.subject.group_subject.all()

    tags = forms.CharField(label=_("Tags"), required=False)

    class Meta:
        model = H5P
        fields = [
            "name",
            "file",
            "data_ini",
            "data_end",
            "brief_description",
            "all_students",
            "students",
            "groups",
            "show_window",
            "visible",
        ]
        widgets = {
            "brief_description": forms.Textarea,
            "students": forms.SelectMultiple,
            "groups": forms.SelectMultiple,
            "file": ResubmitFileWidget(),
        }

    def clean(self):
        cleaned_data = super(H5PForm, self).clean()

        h5pfile = cleaned_data.get('file')

        if "file" in self.request.FILES:
            interface = H5PDjango(self.request.user)
            paths = handleUploadedFile(h5pfile, h5pfile.name)
            validator = interface.h5pGetInstance('validator',
                                                 paths['folderPath'],
                                                 paths['path'])

            if not validator.isValidPackage(False, False):
                raise forms.ValidationError(
                    _('The uploaded file was not a valid h5p package.'))

            _mutable = self.request.POST._mutable

            self.request.POST._mutable = True

            self.request.POST['file_uploaded'] = True
            self.request.POST['disable'] = 0
            self.request.POST['author'] = self.request.user.username
            self.request.POST['h5p_upload'] = paths['path']
            self.request.POST['h5p_upload_folder'] = paths['folderPath']

            self.request.POST._mutable = _mutable

            if not h5pInsert(self.request, interface):
                raise forms.ValidationError('Error during saving the content.')

        data_ini = cleaned_data.get("data_ini", None)
        data_end = cleaned_data.get("data_end", None)
        name = cleaned_data.get("name", "")

        topics = self.subject.topic_subject.all()

        for topic in topics:
            if self.instance.id:
                same_name = (topic.resource_topic.filter(
                    name__unaccent__iexact=name).exclude(
                        id=self.instance.id).count())
            else:
                same_name = topic.resource_topic.filter(
                    name__unaccent__iexact=name).count()

            if same_name > 0:
                self.add_error(
                    "name",
                    _("This subject already has a h5p resource with this name")
                )

                break

        if data_ini:
            if not data_ini == ValueError:
                if not self.instance.id and data_ini.date() < datetime.today(
                ).date():
                    self.add_error(
                        "data_ini",
                        _("This input should be filled with a date equal or after today's date."
                          ),
                    )

                if data_ini.date() < self.subject.init_date:
                    self.add_error(
                        "data_ini",
                        _('This input should be filled with a date equal or after the subject begin date.("%s")'
                          ) % (self.subject.init_date),
                    )

                if data_ini.date() > self.subject.end_date:
                    self.add_error(
                        "data_ini",
                        _('This input should be filled with a date equal or before the subject end date.("%s")'
                          ) % (self.subject.end_date),
                    )
        else:
            self.add_error("data_ini", _("This field is required"))

        if data_end:
            if not data_end == ValueError:
                if not self.instance.id and data_end.date() < datetime.today(
                ).date():
                    self.add_error(
                        "data_end",
                        _("This input should be filled with a date equal or after today's date."
                          ),
                    )

                if data_end.date() < self.subject.init_date:
                    self.add_error(
                        "data_end",
                        _('This input should be filled with a date equal or after the subject begin date.("%s")'
                          ) % (self.subject.init_date),
                    )

                if data_end.date() > self.subject.end_date:
                    self.add_error(
                        "data_end",
                        _('This input should be filled with a date equal or before the subject end date.("%s")'
                          ) % (self.subject.end_date),
                    )

                if not data_ini == ValueError and data_ini and data_end < data_ini:
                    self.add_error(
                        "data_end",
                        _("This input should be filled with a date equal or after the date stabilished for the init."
                          ),
                    )
        else:
            self.add_error("data_end", _("This field is required"))

        return cleaned_data

    def save(self, commit=True):
        super(H5PForm, self).save(commit=True)

        self.instance.save()

        previous_tags = self.instance.tags.all()

        tags = self.cleaned_data["tags"].split(",")

        # Excluding unwanted tags
        for prev in previous_tags:
            if not prev.name in tags:
                self.instance.tags.remove(prev)

        for tag in tags:
            tag = tag.strip()

            exist = Tag.objects.filter(name=tag).exists()

            if exist:
                new_tag = Tag.objects.get(name=tag)
            else:
                new_tag = Tag.objects.create(name=tag)

            if not new_tag in self.instance.tags.all():
                self.instance.tags.add(new_tag)

        return self.instance