photo26/photologue_custom/forms.py
2021-10-15 14:14:09 +02:00

86 lines
2.8 KiB
Python

import datetime
from django import forms
from django.utils.text import slugify
from django.utils.translation import gettext_lazy as _
from photologue.models import Gallery, Photo
from .models import GalleryExtended, PhotoExtended
class UploadForm(forms.Form):
file_field = forms.FileField(
label="",
widget=forms.FileInput(attrs={
'accept': 'image/*',
'multiple': True,
'class': 'mb-3',
}),
)
gallery = forms.ModelChoiceField(
Gallery.objects.all(),
label=_('Gallery'),
required=False,
help_text=_('Select a gallery to add these images to. Leave this empty to '
'create a new gallery from the supplied title.')
)
new_gallery_title = forms.CharField(
label=_('New gallery title'),
max_length=250,
required=False,
)
date_start = forms.DateField(
label=_('New gallery event start date'),
initial=datetime.date.today,
required=False,
)
date_end = forms.DateField(
label=_('New gallery event end date'),
initial=datetime.date.today,
required=False,
)
def clean_new_gallery_title(self):
title = self.cleaned_data['new_gallery_title']
if title and Gallery.objects.filter(title=title).exists():
raise forms.ValidationError(_('A gallery with that title already exists.'))
return title
def clean(self):
cleaned_data = super().clean()
# Check that either an existing gallery is chosen, or new_gallery_title is filled
if not (bool(cleaned_data['gallery']) ^ bool(cleaned_data.get('new_gallery_title', None))):
raise forms.ValidationError(
_('Select an existing gallery, or enter a title for a new gallery.'))
return cleaned_data
def get_or_create_gallery(self):
"""
Get or create gallery
"""
gallery = self.cleaned_data['gallery']
if not gallery:
# Create new gallery
title = self.cleaned_data.get('new_gallery_title')
gallery = Gallery.objects.create(title=title, slug=slugify(title))
GalleryExtended.objects.create(
gallery=gallery,
date_start=self.cleaned_data['date_start'],
date_end=self.cleaned_data['date_end'],
)
return gallery
def save(self, user, files):
"""
Save gallery then photos
"""
gallery = self.get_or_create_gallery()
for photo_file in files:
title = f"{gallery.title} - {photo_file.name}"
photo = Photo(title=title, slug=slugify(title))
photo.image.save(photo_file.name, photo_file)
photo.save()
photo.galleries.set([gallery])
PhotoExtended.objects.create(photo=photo, owner=user)