src/catalogue/forms.py

   1 # This file is part of FNP-Redakcja, licensed under GNU Affero GPLv3 or later.
   2 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
   3 #
   4 from catalogue.models import User
   5 from django.db.models import Count
   6 from django import forms
   7 from django.utils.translation import ugettext_lazy as _
   8 from django.conf import settings
   9
  10 from catalogue.constants import MASTERS
  11 from catalogue.models import Book, Chunk, Image
  12
  13 class DocumentCreateForm(forms.ModelForm):
  14     """
  15         Form used for creating new documents.
  16     """
  17     file = forms.FileField(required=False)
  18     text = forms.CharField(required=False, widget=forms.Textarea)
  19
  20     class Meta:
  21         model = Book
  22         exclude = ['parent', 'parent_number', 'project']
  23
  24     def __init__(self, *args, **kwargs):
  25         super(DocumentCreateForm, self).__init__(*args, **kwargs)
  26         self.fields['slug'].widget.attrs={'class': 'autoslug'}
  27         self.fields['gallery'].widget.attrs={'class': 'autoslug'}
  28         self.fields['title'].widget.attrs={'class': 'autoslug-source'}
  29
  30     def clean(self):
  31         super(DocumentCreateForm, self).clean()
  32         file = self.cleaned_data['file']
  33
  34         if file is not None:
  35             try:
  36                 self.cleaned_data['text'] = file.read().decode('utf-8')
  37             except UnicodeDecodeError:
  38                 raise forms.ValidationError(_("Text file must be UTF-8 encoded."))
  39
  40         if not self.cleaned_data["text"]:
  41             self._errors["file"] = self.error_class([_("You must either enter text or upload a file")])
  42
  43         return self.cleaned_data
  44
  45
  46 class DocumentsUploadForm(forms.Form):
  47     """
  48         Form used for uploading new documents.
  49     """
  50     file = forms.FileField(required=True, label=_('ZIP file'))
  51     dirs = forms.BooleanField(label=_('Directories are documents in chunks'),
  52             widget = forms.CheckboxInput(attrs={'disabled':'disabled'}))
  53
  54     def clean(self):
  55         file = self.cleaned_data['file']
  56
  57         import zipfile
  58         try:
  59             z = self.cleaned_data['zip'] = zipfile.ZipFile(file)
  60         except zipfile.BadZipfile:
  61             raise forms.ValidationError("Should be a ZIP file.")
  62         if z.testzip():
  63             raise forms.ValidationError("ZIP file corrupt.")
  64
  65         return self.cleaned_data
  66
  67
  68 class ChunkForm(forms.ModelForm):
  69     """
  70         Form used for editing a chunk.
  71     """
  72     user = forms.ModelChoiceField(queryset=
  73         User.objects.annotate(count=Count('chunk')).
  74         order_by('last_name', 'first_name'), required=False,
  75         label=_('Assigned to'))
  76
  77     class Meta:
  78         model = Chunk
  79         fields = ['title', 'slug', 'gallery_start', 'user', 'stage']
  80         exclude = ['number']
  81
  82     def __init__(self, *args, **kwargs):
  83         super(ChunkForm, self).__init__(*args, **kwargs)
  84         self.fields['gallery_start'].widget.attrs={'class': 'number-input'}
  85         self.fields['slug'].widget.attrs={'class': 'autoslug'}
  86         self.fields['title'].widget.attrs={'class': 'autoslug-source'}
  87
  88     def clean_slug(self):
  89         slug = self.cleaned_data['slug']
  90         try:
  91             chunk = Chunk.objects.get(book=self.instance.book, slug=slug)
  92         except Chunk.DoesNotExist:
  93             return slug
  94         if chunk == self.instance:
  95             return slug
  96         raise forms.ValidationError(_('Chunk with this slug already exists'))
  97
  98
  99 class ChunkAddForm(ChunkForm):
 100     """
 101         Form used for adding a chunk to a document.
 102     """
 103
 104     def clean_slug(self):
 105         slug = self.cleaned_data['slug']
 106         try:
 107             user = Chunk.objects.get(book=self.instance.book, slug=slug)
 108         except Chunk.DoesNotExist:
 109             return slug
 110         raise forms.ValidationError(_('Chunk with this slug already exists'))
 111
 112
 113 class BookAppendForm(forms.Form):
 114     """
 115         Form for appending a book to another book.
 116         It means moving all chunks from book A to book B and deleting A.
 117     """
 118     append_to = forms.ModelChoiceField(queryset=Book.objects.all(),
 119             label=_("Append to"))
 120
 121     def __init__(self, book, *args, **kwargs):
 122         ret =  super(BookAppendForm, self).__init__(*args, **kwargs)
 123         self.fields['append_to'].queryset = Book.objects.exclude(pk=book.pk)
 124         return ret
 125
 126
 127 class BookForm(forms.ModelForm):
 128     """Form used for editing a Book."""
 129
 130     class Meta:
 131         model = Book
 132         exclude = ['project']
 133
 134     def __init__(self, *args, **kwargs):
 135         ret = super(BookForm, self).__init__(*args, **kwargs)
 136         self.fields['slug'].widget.attrs.update({"class": "autoslug"})
 137         self.fields['title'].widget.attrs.update({"class": "autoslug-source"})
 138         return ret
 139
 140     def save(self, **kwargs):
 141         orig_instance = Book.objects.get(pk=self.instance.pk)
 142         old_gallery = orig_instance.gallery
 143         new_gallery = self.cleaned_data['gallery']
 144         if new_gallery != old_gallery:
 145             import shutil
 146             import os.path
 147             from django.conf import settings
 148             shutil.move(orig_instance.gallery_path(),
 149                         os.path.join(settings.MEDIA_ROOT, settings.IMAGE_DIR, new_gallery))
 150         super(BookForm, self).save(**kwargs)
 151
 152
 153 class ReadonlyBookForm(BookForm):
 154     """Form used for not editing a Book."""
 155
 156     def __init__(self, *args, **kwargs):
 157         ret = super(ReadonlyBookForm, self).__init__(*args, **kwargs)
 158         for field in self.fields.values():
 159             field.widget.attrs.update({"disabled": "disabled"})
 160         return ret
 161
 162
 163 class ChooseMasterForm(forms.Form):
 164     """
 165         Form used for fixing the chunks in a book.
 166     """
 167
 168     master = forms.ChoiceField(choices=((m, m) for m in MASTERS))
 169
 170
 171 class ImageForm(forms.ModelForm):
 172     """Form used for editing an Image."""
 173     user = forms.ModelChoiceField(queryset=
 174         User.objects.annotate(count=Count('chunk')).
 175         order_by('-count', 'last_name', 'first_name'), required=False,
 176         label=_('Assigned to'))
 177
 178     class Meta:
 179         model = Image
 180         fields = ['title', 'slug', 'user', 'stage']
 181
 182     def __init__(self, *args, **kwargs):
 183         super(ImageForm, self).__init__(*args, **kwargs)
 184         self.fields['slug'].widget.attrs={'class': 'autoslug'}
 185         self.fields['title'].widget.attrs={'class': 'autoslug-source'}
 186
 187
 188 class ReadonlyImageForm(ImageForm):
 189     """Form used for not editing an Image."""
 190
 191     def __init__(self, *args, **kwargs):
 192         super(ReadonlyImageForm, self).__init__(*args, **kwargs)
 193         for field in self.fields.values():
 194             field.widget.attrs.update({"disabled": "disabled"})
 195
 196
 197 class MarkFinalForm(forms.Form):
 198     username = forms.CharField(initial=settings.LITERARY_DIRECTOR_USERNAME)
 199     comment = forms.CharField(initial=u'Ostateczna akceptacja merytoryczna przez kierownika literackiego.')
 200     books = forms.CharField(widget=forms.Textarea, help_text=u'linki do książek w redakcji, po jednym na wiersz')
 201
 202     def clean_books(self):
 203         books_value = self.cleaned_data['books']
 204         slugs = [line.strip().strip('/').split('/')[-1] for line in books_value.split('\n') if line.strip()]
 205         books = Book.objects.filter(slug__in=slugs)
 206         if len(books) != len(slugs):
 207             raise forms.ValidationError(
 208                 'Incorrect slug(s): %s' % ' '.join(slug for slug in slugs if not Book.objects.filter(slug=slug)))
 209         return books
 210
 211     def clean_username(self):
 212         username = self.cleaned_data['username']
 213         if not User.objects.filter(username=username):
 214             raise forms.ValidationError('Invalid username')
 215         return username
 216
 217     def save(self):
 218         for book in self.cleaned_data['books']:
 219             for chunk in book.chunk_set.all():
 220                 src = chunk.head.materialize()
 221                 chunk.commit(
 222                     text=src,
 223                     author=User.objects.get(username=self.cleaned_data['username']),
 224                     description=self.cleaned_data['comment'],
 225                     tags=[Chunk.tag_model.objects.get(slug='editor-proofreading')],
 226                     publishable=True
 227                 )
 228
 229
 230 class PublishOptionsForm(forms.Form):
 231     days = forms.IntegerField(label=u'po ilu dniach udostępnienić (0 = od razu)', min_value=0, initial=0)
 232     beta = forms.BooleanField(label=u'Opublikuj na wersji testowej', required=False)