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     can_sell = forms.BooleanField(required=False)
  24
  25     def clean(self):
  26         from django.core.files.base import ContentFile
  27
  28         if not self.cleaned_data['book_xml_file']:
  29             if self.cleaned_data['book_xml']:
  30                 self.cleaned_data['book_xml_file'] = \
  31                     ContentFile(self.cleaned_data['book_xml'].encode('utf-8'))
  32             else:
  33                 raise forms.ValidationError("Proszę podać XML.")
  34         return super(BookImportForm, self).clean()
  35
  36     def save(self, **kwargs):
  37         return Book.from_xml_file(self.cleaned_data['book_xml_file'], overwrite=True,
  38                                   remote_gallery_url=self.cleaned_data['gallery_url'],
  39                                   days=self.cleaned_data['days'],
  40                                   findable=not self.cleaned_data['hidden'],
  41                                   logo=self.cleaned_data['logo'],
  42                                   logo_mono=self.cleaned_data['logo_mono'],
  43                                   logo_alt=self.cleaned_data['logo_alt'],
  44                                   can_sell=self.cleaned_data['can_sell'],
  45                                   **kwargs)
  46
  47
  48 FORMATS = [(f, f.upper()) for f in Book.ebook_formats]
  49
  50
  51 class DownloadFormatsForm(forms.Form):
  52     formats = forms.MultipleChoiceField(required=False, choices=FORMATS, widget=forms.CheckboxSelectMultiple)
  53
  54     def __init__(self, *args, **kwargs):
  55         super(DownloadFormatsForm, self).__init__(*args, **kwargs)
  56
  57
  58 CUSTOMIZATION_FLAGS = (
  59     ('nofootnotes', _("Bez przypisów")),
  60     ('nothemes', _("Bez motywów")),
  61     ('nowlfont', _("Bez naszego kroju pisma")),
  62     ('nocover', _("Bez okładki")),
  63     ('notoc', _("Bez spisu treści")),
  64     )
  65 CUSTOMIZATION_OPTIONS = (
  66     ('leading', _("Interlinia"), (
  67         ('', _('Zwykła interlinia')),
  68         ('onehalfleading', _('Powiększona interlinia')),
  69         ('doubleleading', _('Podwójna interlinia')),
  70     )),
  71     ('fontsize', _("Rozmiar tekstu"), (
  72         ('', _('Domyślny')),
  73         ('13pt', _('Duży')),
  74         ('16pt', _('Większy')),
  75     )),
  76     # ('pagesize', _("Rozmiar papieru"), (
  77     #     ('a4paper', _('A4')),
  78     #     ('a5paper', _('A5')),
  79     # )),
  80 )
  81
  82
  83 class CustomPDFForm(forms.Form):
  84     def __init__(self, book, *args, **kwargs):
  85         super(CustomPDFForm, self).__init__(*args, **kwargs)
  86         self.book = book
  87         for name, label in CUSTOMIZATION_FLAGS:
  88             self.fields[name] = forms.BooleanField(required=False, label=label)
  89         for name, label, choices in CUSTOMIZATION_OPTIONS:
  90             self.fields[name] = forms.ChoiceField(choices=choices, required=False, label=label)
  91
  92     def clean(self):
  93         self.cleaned_data['cust'] = self.customizations
  94         self.cleaned_data['path'] = get_customized_pdf_path(self.book, self.cleaned_data['cust'])
  95         if not WaitedFile.can_order(self.cleaned_data['path']):
  96             raise ValidationError(_('Kolejka jest pełna. Proszę spróbować ponownie później.'))
  97         return self.cleaned_data
  98
  99     @property
 100     def customizations(self):
 101         c = []
 102         for name, label in CUSTOMIZATION_FLAGS:
 103             if self.cleaned_data.get(name):
 104                 c.append(name)
 105         for name, label, choices in CUSTOMIZATION_OPTIONS:
 106             option = self.cleaned_data.get(name)
 107             if option:
 108                 c.append(option)
 109         c.sort()
 110         return c
 111
 112     def save(self, *args, **kwargs):
 113         if not self.cleaned_data['cust'] and self.book.pdf_file:
 114             # Don't build with default options, just redirect to the standard file.
 115             return {"redirect": self.book.pdf_url()}
 116         url = WaitedFile.order(
 117             self.cleaned_data['path'],
 118             lambda p, waiter_id: build_custom_pdf.delay(self.book.id, self.cleaned_data['cust'], p, waiter_id),
 119             self.book.pretty_title()
 120         )
 121         return {"redirect": url}