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