100 lines
3.4 KiB
Python
100 lines
3.4 KiB
Python
import datetime
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from crispy_forms.helper import FormHelper
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from crispy_forms.layout import Div, Layout, Submit
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from django import forms
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from django.utils.text import slugify
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from django.utils.translation import gettext_lazy as _
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from .models import Gallery, Tag
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class UploadForm(forms.Form):
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file_field = forms.FileField(
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label="",
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widget=forms.FileInput(attrs={
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'accept': 'image/*',
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'multiple': True,
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'class': 'mb-3',
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}),
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)
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gallery = forms.ModelChoiceField(
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Gallery.objects.all(),
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label=_('Gallery'),
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required=False,
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empty_label=_('-- Create a new gallery --'),
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help_text=_('Select a gallery to add these images to. Leave this empty to '
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'create a new gallery from the supplied title.')
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)
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new_gallery_title = forms.CharField(
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label=_('New gallery title'),
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max_length=250,
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required=False,
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)
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new_gallery_date_start = forms.DateField(
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label=_('New gallery event start date'),
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initial=datetime.date.today,
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required=False,
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)
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new_gallery_date_end = forms.DateField(
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label=_('New gallery event end date'),
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initial=datetime.date.today,
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required=False,
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)
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new_gallery_tags = forms.ModelMultipleChoiceField(
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Tag.objects.all(),
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label=_('New gallery tags'),
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required=False,
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help_text=_('Hold down "Control", or "Command" on a Mac, to select more than one.')
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)
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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self.helper = FormHelper()
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self.helper.use_custom_control = False
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self.helper.layout = Layout(
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'file_field',
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'gallery',
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'new_gallery_title',
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Div(
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Div('new_gallery_date_start', css_class='col'),
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Div('new_gallery_date_end', css_class='col'),
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css_class='row'
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),
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'new_gallery_tags',
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Submit('submit', _('Upload'), css_class='btn btn-success mt-2')
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)
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def clean_new_gallery_title(self):
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title = self.cleaned_data['new_gallery_title']
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if title and Gallery.objects.filter(title=title).exists():
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raise forms.ValidationError(_('A gallery with that title already exists.'))
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return title
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def clean(self):
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cleaned_data = super().clean()
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# Check that either an existing gallery is chosen, or new_gallery_title is filled
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if not (bool(cleaned_data['gallery']) ^ bool(cleaned_data.get('new_gallery_title', None))):
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raise forms.ValidationError(
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_('Select an existing gallery, or enter a title for a new gallery.'))
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return cleaned_data
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def get_or_create_gallery(self):
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"""
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Get or create gallery
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"""
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gallery = self.cleaned_data['gallery']
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if not gallery:
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# Create new gallery
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title = self.cleaned_data.get('new_gallery_title')
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gallery = Gallery.objects.create(
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title=title,
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slug=slugify(title),
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date_start=self.cleaned_data['new_gallery_date_start'],
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date_end=self.cleaned_data['new_gallery_date_end'],
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)
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for tag in self.cleaned_data['new_gallery_tags']:
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gallery.tags.add(tag)
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return gallery
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