Cover download button.
[redakcja.git] / 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 and old_gallery and 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)