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
  11 from catalogue.constants import MASTERS
  12 from catalogue.models import Book, Chunk, Template
  13
  14 class DocumentCreateForm(forms.ModelForm):
  15     """
  16         Form used for creating new documents.
  17     """
  18     template = forms.ModelChoiceField(Template.objects, required=False)
  19
  20     class Meta:
  21         model = Book
  22         exclude = ['parent', 'parent_number', 'project', 'gallery', 'public']
  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['title'].widget.attrs={'class': 'autoslug-source'}
  28         self.fields['template'].queryset = Template.objects.filter(is_main=True)
  29
  30     def clean(self):
  31         super(DocumentCreateForm, self).clean()
  32         template = self.cleaned_data['template']
  33         self.cleaned_data['gallery'] = self.cleaned_data['slug']
  34
  35         if template is not None:
  36             self.cleaned_data['text'] = template.content
  37
  38         if not self.cleaned_data.get("text"):
  39             self._errors["template"] = self.error_class([_("You must select a template")])
  40
  41         return self.cleaned_data
  42
  43
  44 class DocumentsUploadForm(forms.Form):
  45     """
  46         Form used for uploading new documents.
  47     """
  48     file = forms.FileField(required=True, label=_('ZIP file'))
  49     dirs = forms.BooleanField(label=_('Directories are documents in chunks'),
  50             widget = forms.CheckboxInput(attrs={'disabled':'disabled'}))
  51
  52     def clean(self):
  53         file = self.cleaned_data['file']
  54
  55         import zipfile
  56         try:
  57             z = self.cleaned_data['zip'] = zipfile.ZipFile(file)
  58         except zipfile.BadZipfile:
  59             raise forms.ValidationError("Should be a ZIP file.")
  60         if z.testzip():
  61             raise forms.ValidationError("ZIP file corrupt.")
  62
  63         return self.cleaned_data
  64
  65
  66 class ChunkForm(forms.ModelForm):
  67     """
  68         Form used for editing a chunk.
  69     """
  70     user = forms.ModelChoiceField(queryset=
  71         User.objects.annotate(count=Count('chunk')).
  72         order_by('last_name', 'first_name'), required=False,
  73         label=_('Assigned to'))
  74
  75     class Meta:
  76         model = Chunk
  77         fields = ['title', 'slug', 'gallery_start', 'user', 'stage']
  78         exclude = ['number']
  79
  80     def __init__(self, *args, **kwargs):
  81         super(ChunkForm, self).__init__(*args, **kwargs)
  82         self.fields['gallery_start'].widget.attrs={'class': 'number-input'}
  83         self.fields['slug'].widget.attrs={'class': 'autoslug'}
  84         self.fields['title'].widget.attrs={'class': 'autoslug-source'}
  85
  86     def clean_slug(self):
  87         slug = self.cleaned_data['slug']
  88         try:
  89             chunk = Chunk.objects.get(book=self.instance.book, slug=slug)
  90         except Chunk.DoesNotExist:
  91             return slug
  92         if chunk == self.instance:
  93             return slug
  94         raise forms.ValidationError(_('Chunk with this slug already exists'))
  95
  96
  97 class ChunkAddForm(ChunkForm):
  98     """
  99         Form used for adding a chunk to a document.
 100     """
 101
 102     def clean_slug(self):
 103         slug = self.cleaned_data['slug']
 104         try:
 105             user = Chunk.objects.get(book=self.instance.book, slug=slug)
 106         except Chunk.DoesNotExist:
 107             return slug
 108         raise forms.ValidationError(_('Chunk with this slug already exists'))
 109
 110
 111 class BookAppendForm(forms.Form):
 112     """
 113         Form for appending a book to another book.
 114         It means moving all chunks from book A to book B and deleting A.
 115     """
 116     append_to = forms.ModelChoiceField(queryset=Book.objects.all(),
 117             label=_("Append to"))
 118
 119     def __init__(self, book, *args, **kwargs):
 120         ret =  super(BookAppendForm, self).__init__(*args, **kwargs)
 121         self.fields['append_to'].queryset = Book.objects.exclude(pk=book.pk)
 122         return ret
 123
 124
 125 class BookForm(forms.ModelForm):
 126     """Form used for editing a Book."""
 127
 128     class Meta:
 129         model = Book
 130         exclude = ['project']
 131
 132     def __init__(self, *args, **kwargs):
 133         ret = super(BookForm, self).__init__(*args, **kwargs)
 134         self.fields['slug'].widget.attrs.update({"class": "autoslug"})
 135         self.fields['title'].widget.attrs.update({"class": "autoslug-source"})
 136         return ret
 137
 138
 139 class ReadonlyBookForm(BookForm):
 140     """Form used for not editing a Book."""
 141
 142     def __init__(self, *args, **kwargs):
 143         ret = super(ReadonlyBookForm, self).__init__(*args, **kwargs)
 144         for field in self.fields.values():
 145             field.widget.attrs.update({"readonly": True})
 146         return ret
 147
 148
 149 class ChooseMasterForm(forms.Form):
 150     """
 151         Form used for fixing the chunks in a book.
 152     """
 153
 154     master = forms.ChoiceField(choices=((m, m) for m in MASTERS))