src/catalogue/forms.py

   1 # This file is part of Wolne Lektury, licensed under GNU Affero GPLv3 or later.
   2 # Copyright © Fundacja Wolne Lektury. See NOTICE for more information.
   3 #
   4 from django import forms
   5 from django.utils.translation import gettext_lazy as _
   6
   7 from catalogue.models import Book
   8 from waiter.models import WaitedFile
   9 from django.core.exceptions import ValidationError
  10 from catalogue.utils import get_customized_pdf_path
  11 from catalogue.tasks import build_custom_pdf
  12
  13
  14 class BookImportForm(forms.Form):
  15     book_xml_file = forms.FileField(required=False)
  16     book_xml = forms.CharField(required=False)
  17     gallery_url = forms.CharField(required=False)
  18     days = forms.IntegerField(required=False)
  19     hidden = forms.BooleanField(required=False)
  20     logo = forms.CharField(required=False)
  21     logo_mono = forms.CharField(required=False)
  22     logo_alt = forms.CharField(required=False)
  23
  24     def clean(self):
  25         from django.core.files.base import ContentFile
  26
  27         if not self.cleaned_data['book_xml_file']:
  28             if self.cleaned_data['book_xml']:
  29                 self.cleaned_data['book_xml_file'] = \
  30                     ContentFile(self.cleaned_data['book_xml'].encode('utf-8'))
  31             else:
  32                 raise forms.ValidationError("Proszę podać XML.")
  33         return super(BookImportForm, self).clean()
  34
  35     def save(self, **kwargs):
  36         return Book.from_xml_file(self.cleaned_data['book_xml_file'], overwrite=True,
  37                                   remote_gallery_url=self.cleaned_data['gallery_url'],
  38                                   days=self.cleaned_data['days'],
  39                                   findable=not self.cleaned_data['hidden'],
  40                                   logo=self.cleaned_data['logo'],
  41                                   logo_mono=self.cleaned_data['logo_mono'],
  42                                   logo_alt=self.cleaned_data['logo_alt'],
  43                                   **kwargs)
  44
  45
  46 FORMATS = [(f, f.upper()) for f in Book.ebook_formats]
  47
  48
  49 class DownloadFormatsForm(forms.Form):
  50     formats = forms.MultipleChoiceField(required=False, choices=FORMATS, widget=forms.CheckboxSelectMultiple)
  51
  52     def __init__(self, *args, **kwargs):
  53         super(DownloadFormatsForm, self).__init__(*args, **kwargs)
  54
  55
  56 CUSTOMIZATION_FLAGS = (
  57     ('nofootnotes', _("Bez przypisów")),
  58     ('nothemes', _("Bez motywów")),
  59     ('nowlfont', _("Bez naszego kroju pisma")),
  60     ('nocover', _("Bez okładki")),
  61     ('notoc', _("Bez spisu treści")),
  62     )
  63 CUSTOMIZATION_OPTIONS = (
  64     ('leading', _("Interlinia"), (
  65         ('', _('Zwykła interlinia')),
  66         ('onehalfleading', _('Powiększona interlinia')),
  67         ('doubleleading', _('Podwójna interlinia')),
  68     )),
  69     ('fontsize', _("Rozmiar tekstu"), (
  70         ('', _('Domyślny')),
  71         ('13pt', _('Duży')),
  72         ('16pt', _('Większy')),
  73     )),
  74     # ('pagesize', _("Rozmiar papieru"), (
  75     #     ('a4paper', _('A4')),
  76     #     ('a5paper', _('A5')),
  77     # )),
  78 )
  79
  80
  81 class CustomPDFForm(forms.Form):
  82     def __init__(self, book, *args, **kwargs):
  83         super(CustomPDFForm, self).__init__(*args, **kwargs)
  84         self.book = book
  85         for name, label in CUSTOMIZATION_FLAGS:
  86             self.fields[name] = forms.BooleanField(required=False, label=label)
  87         for name, label, choices in CUSTOMIZATION_OPTIONS:
  88             self.fields[name] = forms.ChoiceField(choices=choices, required=False, label=label)
  89
  90     def clean(self):
  91         self.cleaned_data['cust'] = self.customizations
  92         self.cleaned_data['path'] = get_customized_pdf_path(self.book, self.cleaned_data['cust'])
  93         if not WaitedFile.can_order(self.cleaned_data['path']):
  94             raise ValidationError(_('Kolejka jest pełna. Proszę spróbować ponownie później.'))
  95         return self.cleaned_data
  96
  97     @property
  98     def customizations(self):
  99         c = []
 100         for name, label in CUSTOMIZATION_FLAGS:
 101             if self.cleaned_data.get(name):
 102                 c.append(name)
 103         for name, label, choices in CUSTOMIZATION_OPTIONS:
 104             option = self.cleaned_data.get(name)
 105             if option:
 106                 c.append(option)
 107         c.sort()
 108         return c
 109
 110     def save(self, *args, **kwargs):
 111         if not self.cleaned_data['cust'] and self.book.pdf_file:
 112             # Don't build with default options, just redirect to the standard file.
 113             return {"redirect": self.book.pdf_url()}
 114         url = WaitedFile.order(
 115             self.cleaned_data['path'],
 116             lambda p, waiter_id: build_custom_pdf.delay(self.book.id, self.cleaned_data['cust'], p, waiter_id),
 117             self.book.pretty_title()
 118         )
 119         return {"redirect": url}