forms.py
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# coding=utf-8
from django import forms
from django.utils.translation import ugettext_lazy as _
from django.utils.html import strip_tags
from django.forms.models import inlineformset_factory
import datetime
from subjects.models import Tag
from subjects.forms import ParticipantsMultipleChoiceField
from .models import Webconference, ConferenceSettings
from pendencies.forms import PendenciesLimitedForm
from pendencies.models import Pendencies
class WebconferenceForm(forms.ModelForm):
subject = None
control_subject = forms.CharField(widget = forms.HiddenInput())
students = ParticipantsMultipleChoiceField(queryset = None, required = False)
def __init__(self, *args, **kwargs):
super(WebconferenceForm, 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 = Webconference
fields = ['name', 'presentation', 'start', 'end', 'brief_description', 'all_students', 'students', 'groups', 'show_window', 'visible']
labels = {
'name': _('Web Conference Title'),
'presentation': _('Presentation'),
}
widgets = {
'presentation': forms.Textarea,
'brief_description': forms.Textarea,
'students': forms.SelectMultiple,
'groups': forms.SelectMultiple,
}
def clean(self):
cleaned_data = super(WebconferenceForm, self).clean()
start = cleaned_data.get('start', None)
end = cleaned_data.get('end', None)
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.add_error('name', _('This subject already has a web conference with this name'))
if start and end:
if not start == ValueError and not end == ValueError:
if start > end:
self.add_error('start', _('This input should be filled with a date equal or before the End.'))
self.add_error('end', _('This input should be filled with a date equal or after the Start.'))
if not start == ValueError:
if not self.instance.id and start.date() < datetime.datetime.today().date():
self.add_error('start', _("This input should be filled with a date equal or after today's date."))
if start.date() < self.subject.init_date:
self.add_error('start', _('This input should be filled with a date equal or after the subject begin date.("%s")')%(self.subject.init_date))
if start.date() > self.subject.end_date:
self.add_error('start', _('This input should be filled with a date equal or before the subject end date.("%s")')%(self.subject.end_date))
if not end == ValueError:
if not self.instance.id and end.date() < datetime.datetime.today().date():
self.add_error('end', _("This input should be filled with a date equal or after today's date."))
if end.date() < self.subject.init_date:
self.add_error('end', _('This input should be filled with a date equal or after the subject begin date.("%s")')%(self.subject.init_date))
if end.date() > self.subject.end_date:
self.add_error('end', _('This input should be filled with a date equal or before the subject end date.("%s")')%(self.subject.end_date))
return cleaned_data
def save(self, commit = True):
super(WebconferenceForm, 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
class WebConferenceUpdateForm(WebconferenceForm):
def clean_start(self):
return self.cleaned_data['start']
class SettingsForm(forms.ModelForm):
class Meta:
model = ConferenceSettings
fields = ['domain']
labels = {
'domain': _('Domain'),
}
help_texts = {
'domain': _('The domain of the jitsi server, e.g. meet.jit.si'),
}
InlinePendenciesFormset = inlineformset_factory(Webconference, Pendencies, form = PendenciesLimitedForm, extra = 1, max_num = 3, validate_max = True, can_delete = True)