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 from slugify import slugify
   9 from .constants import MASTERS
  10 from .models import Book, Chunk, Image, User
  11 from .docx import xml_from_docx
  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     docx = forms.FileField(required=False)
  20
  21     class Meta:
  22         model = Book
  23         exclude = ['parent', 'parent_number', 'project']
  24
  25     def __init__(self, *args, **kwargs):
  26         super(DocumentCreateForm, self).__init__(*args, **kwargs)
  27         self.fields['slug'].widget.attrs={'class': 'autoslug'}
  28         self.fields['slug'].required = False
  29         self.fields['gallery'].widget.attrs={'class': 'autoslug'}
  30         self.fields['title'].widget.attrs={'class': 'autoslug-source'}
  31         self.fields['title'].required = False
  32
  33     def clean(self):
  34         super(DocumentCreateForm, self).clean()
  35         file = self.cleaned_data['file']
  36
  37         if file is not None:
  38             try:
  39                 self.cleaned_data['text'] = file.read().decode('utf-8')
  40             except UnicodeDecodeError:
  41                 raise forms.ValidationError(_("Text file must be UTF-8 encoded."))
  42
  43         docx = self.cleaned_data['docx']
  44         if docx is not None:
  45             try:
  46                 text, meta = xml_from_docx(docx)
  47             except Exception as e:
  48                 raise forms.ValidationError(e)
  49             else:
  50                 self.cleaned_data['text'] = text
  51                 if not self.cleaned_data['title']:
  52                     self.cleaned_data['title'] = meta.get('title', '')
  53                 if not self.cleaned_data['slug']:
  54                     self.cleaned_data['slug'] = slugify(meta.get('title', ''))
  55
  56         if not self.cleaned_data["title"]:
  57             self._errors["title"] = self.error_class([_("Title not set")])
  58
  59         if not self.cleaned_data["slug"]:
  60             self._errors["slug"] = self.error_class([_("Slug not set")])
  61
  62         if not self.cleaned_data["text"]:
  63             self._errors["text"] = self.error_class([_("You must either enter text or upload a file")])
  64
  65         return self.cleaned_data
  66
  67
  68 class DocumentsUploadForm(forms.Form):
  69     """
  70         Form used for uploading new documents.
  71     """
  72     file = forms.FileField(required=True, label=_('ZIP file'))
  73     dirs = forms.BooleanField(label=_('Directories are documents in chunks'),
  74             widget = forms.CheckboxInput(attrs={'disabled':'disabled'}))
  75
  76     def clean(self):
  77         file = self.cleaned_data['file']
  78
  79         import zipfile
  80         try:
  81             z = self.cleaned_data['zip'] = zipfile.ZipFile(file)
  82         except zipfile.BadZipfile:
  83             raise forms.ValidationError("Should be a ZIP file.")
  84         if z.testzip():
  85             raise forms.ValidationError("ZIP file corrupt.")
  86
  87         return self.cleaned_data
  88
  89
  90 class ChunkForm(forms.ModelForm):
  91     """
  92         Form used for editing a chunk.
  93     """
  94     user = forms.ModelChoiceField(queryset=
  95         User.objects.annotate(count=Count('chunk')).
  96         order_by('last_name', 'first_name'), required=False,
  97         label=_('Assigned to'))
  98
  99     class Meta:
 100         model = Chunk
 101         fields = ['title', 'slug', 'gallery_start', 'user', 'stage']
 102         exclude = ['number']
 103
 104     def __init__(self, *args, **kwargs):
 105         super(ChunkForm, self).__init__(*args, **kwargs)
 106         self.fields['gallery_start'].widget.attrs={'class': 'number-input'}
 107         self.fields['slug'].widget.attrs={'class': 'autoslug'}
 108         self.fields['title'].widget.attrs={'class': 'autoslug-source'}
 109
 110     def clean_slug(self):
 111         slug = self.cleaned_data['slug']
 112         try:
 113             chunk = Chunk.objects.get(book=self.instance.book, slug=slug)
 114         except Chunk.DoesNotExist:
 115             return slug
 116         if chunk == self.instance:
 117             return slug
 118         raise forms.ValidationError(_('Chunk with this slug already exists'))
 119
 120
 121 class ChunkAddForm(ChunkForm):
 122     """
 123         Form used for adding a chunk to a document.
 124     """
 125
 126     def clean_slug(self):
 127         slug = self.cleaned_data['slug']
 128         try:
 129             user = Chunk.objects.get(book=self.instance.book, slug=slug)
 130         except Chunk.DoesNotExist:
 131             return slug
 132         raise forms.ValidationError(_('Chunk with this slug already exists'))
 133
 134
 135 class BookAppendForm(forms.Form):
 136     """
 137         Form for appending a book to another book.
 138         It means moving all chunks from book A to book B and deleting A.
 139     """
 140     append_to = forms.ModelChoiceField(queryset=Book.objects.all(),
 141             label=_("Append to"))
 142
 143     def __init__(self, book, *args, **kwargs):
 144         ret =  super(BookAppendForm, self).__init__(*args, **kwargs)
 145         self.fields['append_to'].queryset = Book.objects.exclude(pk=book.pk)
 146         return ret
 147
 148
 149 class BookForm(forms.ModelForm):
 150     """Form used for editing a Book."""
 151
 152     class Meta:
 153         model = Book
 154         exclude = ['project']
 155
 156     def __init__(self, *args, **kwargs):
 157         ret = super(BookForm, self).__init__(*args, **kwargs)
 158         self.fields['slug'].widget.attrs.update({"class": "autoslug"})
 159         self.fields['title'].widget.attrs.update({"class": "autoslug-source"})
 160         return ret
 161
 162     def save(self, **kwargs):
 163         orig_instance = Book.objects.get(pk=self.instance.pk)
 164         old_gallery = orig_instance.gallery
 165         new_gallery = self.cleaned_data['gallery']
 166         if new_gallery and old_gallery and new_gallery != old_gallery:
 167             import shutil
 168             import os.path
 169             from django.conf import settings
 170             shutil.move(orig_instance.gallery_path(),
 171                         os.path.join(settings.MEDIA_ROOT, settings.IMAGE_DIR, new_gallery))
 172         super(BookForm, self).save(**kwargs)
 173
 174
 175 class ReadonlyBookForm(BookForm):
 176     """Form used for not editing a Book."""
 177
 178     def __init__(self, *args, **kwargs):
 179         ret = super(ReadonlyBookForm, self).__init__(*args, **kwargs)
 180         for field in self.fields.values():
 181             field.widget.attrs.update({"disabled": "disabled"})
 182         return ret
 183
 184
 185 class ChooseMasterForm(forms.Form):
 186     """
 187         Form used for fixing the chunks in a book.
 188     """
 189
 190     master = forms.ChoiceField(choices=((m, m) for m in MASTERS))
 191
 192
 193 class ImageForm(forms.ModelForm):
 194     """Form used for editing an Image."""
 195     user = forms.ModelChoiceField(queryset=
 196         User.objects.annotate(count=Count('chunk')).
 197         order_by('-count', 'last_name', 'first_name'), required=False,
 198         label=_('Assigned to'))
 199
 200     class Meta:
 201         model = Image
 202         fields = ['title', 'slug', 'user', 'stage']
 203
 204     def __init__(self, *args, **kwargs):
 205         super(ImageForm, self).__init__(*args, **kwargs)
 206         self.fields['slug'].widget.attrs={'class': 'autoslug'}
 207         self.fields['title'].widget.attrs={'class': 'autoslug-source'}
 208
 209
 210 class ReadonlyImageForm(ImageForm):
 211     """Form used for not editing an Image."""
 212
 213     def __init__(self, *args, **kwargs):
 214         super(ReadonlyImageForm, self).__init__(*args, **kwargs)
 215         for field in self.fields.values():
 216             field.widget.attrs.update({"disabled": "disabled"})
 217
 218
 219 class MarkFinalForm(forms.Form):
 220     username = forms.CharField(initial=settings.LITERARY_DIRECTOR_USERNAME)
 221     comment = forms.CharField(initial=u'Ostateczna akceptacja merytoryczna przez kierownika literackiego.')
 222     books = forms.CharField(widget=forms.Textarea, help_text=u'linki do książek w redakcji, po jednym na wiersz')
 223
 224     def clean_books(self):
 225         books_value = self.cleaned_data['books']
 226         slugs = [line.strip().strip('/').split('/')[-1] for line in books_value.split('\n') if line.strip()]
 227         books = Book.objects.filter(slug__in=slugs)
 228         if len(books) != len(slugs):
 229             raise forms.ValidationError(
 230                 'Incorrect slug(s): %s' % ' '.join(slug for slug in slugs if not Book.objects.filter(slug=slug)))
 231         return books
 232
 233     def clean_username(self):
 234         username = self.cleaned_data['username']
 235         if not User.objects.filter(username=username):
 236             raise forms.ValidationError('Invalid username')
 237         return username
 238
 239     def save(self):
 240         for book in self.cleaned_data['books']:
 241             for chunk in book.chunk_set.all():
 242                 src = chunk.head.materialize()
 243                 chunk.commit(
 244                     text=src,
 245                     author=User.objects.get(username=self.cleaned_data['username']),
 246                     description=self.cleaned_data['comment'],
 247                     tags=[Chunk.tag_model.objects.get(slug='editor-proofreading')],
 248                     publishable=True
 249                 )
 250
 251
 252 class PublishOptionsForm(forms.Form):
 253     days = forms.IntegerField(label=u'po ilu dniach udostępnienić (0 = od razu)', min_value=0, initial=0)
 254     beta = forms.BooleanField(label=u'Opublikuj na wersji testowej', required=False)