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
  15 class DocumentCreateForm(forms.ModelForm):
  16     """
  17         Form used for creating new documents.
  18     """
  19     template = forms.ModelChoiceField(Template.objects, required=False)
  20
  21     class Meta:
  22         model = Book
  23         exclude = ['parent', 'parent_number', 'project', 'gallery', 'public']
  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['title'].widget.attrs = {'class': 'autoslug-source'}
  29         self.fields['template'].queryset = Template.objects.filter(is_main=True)
  30
  31     def clean(self):
  32         super(DocumentCreateForm, self).clean()
  33         template = self.cleaned_data['template']
  34         self.cleaned_data['gallery'] = self.cleaned_data['slug']
  35
  36         if template is not None:
  37             self.cleaned_data['text'] = template.content
  38
  39         if not self.cleaned_data.get("text"):
  40             self._errors["template"] = self.error_class([_("You must select a template")])
  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(
  51         label=_('Directories are documents in chunks'),
  52         widget=forms.CheckboxInput(attrs={'disabled': 'disabled'}))
  53
  54     def clean(self):
  55         zip_file = self.cleaned_data['zip_file']
  56
  57         import zipfile
  58         try:
  59             z = self.cleaned_data['zip'] = zipfile.ZipFile(zip_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(
  73         queryset=User.objects.annotate(count=Count('chunk')).order_by('last_name', 'first_name'),
  74         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(), label=_("Append to"))
 119
 120     def __init__(self, book, *args, **kwargs):
 121         super(BookAppendForm, self).__init__(*args, **kwargs)
 122         self.fields['append_to'].queryset = Book.objects.exclude(pk=book.pk)
 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         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
 137
 138 class ReadonlyBookForm(BookForm):
 139     """Form used for not editing a Book."""
 140
 141     def __init__(self, *args, **kwargs):
 142         super(ReadonlyBookForm, self).__init__(*args, **kwargs)
 143         for field in self.fields.values():
 144             field.widget.attrs.update({"readonly": True})
 145
 146
 147 class ChooseMasterForm(forms.Form):
 148     """
 149         Form used for fixing the chunks in a book.
 150     """
 151
 152     master = forms.ChoiceField(choices=((m, m) for m in MASTERS))