apps/catalogue/forms.py

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