Add ebooks listing to api
[wolnelektury.git] / apps / catalogue / forms.py
index 9359837..480eddf 100644 (file)
 #
 from django import forms
 from django.utils.translation import ugettext_lazy as _
-from slughifi import slughifi
 
-from catalogue.models import Tag, Book
-from catalogue.fields import JQueryAutoCompleteField
-from catalogue import utils
+from catalogue.models import Book
+from waiter.models import WaitedFile
+from django.core.exceptions import ValidationError
+from catalogue.utils import get_customized_pdf_path
+from catalogue.tasks import build_custom_pdf
 
 
 class BookImportForm(forms.Form):
-    book_xml_file = forms.FileField()
+    book_xml_file = forms.FileField(required=False)
+    book_xml = forms.CharField(required=False)
 
-    def save(self, commit=True):
-        return Book.from_xml_file(self.cleaned_data['book_xml_file'], overwrite=True)
+    def clean(self):
+        from django.core.files.base import ContentFile
 
+        if not self.cleaned_data['book_xml_file']:
+            if self.cleaned_data['book_xml']:
+                self.cleaned_data['book_xml_file'] = \
+                        ContentFile(self.cleaned_data['book_xml'].encode('utf-8'))
+            else:
+                raise forms.ValidationError(_("Please supply an XML."))
+        return super(BookImportForm, self).clean()
 
-class SearchForm(forms.Form):
-    q = JQueryAutoCompleteField('/katalog/tags/', {'minChars': 2, 'selectFirst': True, 'cacheLength': 50, 'matchContains': "word"})
-    tags = forms.CharField(widget=forms.HiddenInput, required=False)
-
-    def __init__(self, *args, **kwargs):
-        tags = kwargs.pop('tags', [])
-        super(SearchForm, self).__init__(*args, **kwargs)
-        self.fields['q'].widget.attrs['title'] = _('title, author, theme/topic, epoch, kind, genre')
-           #self.fields['q'].widget.attrs['style'] = ''
-        self.fields['tags'].initial = '/'.join(tag.slug for tag in Tag.get_tag_list(tags))
-
-
-class UserSetsForm(forms.Form):
-    def __init__(self, book, user, *args, **kwargs):
-        super(UserSetsForm, self).__init__(*args, **kwargs)
-        self.fields['set_ids'] = forms.ChoiceField(
-            choices=[(tag.id, tag.name) for tag in Tag.objects.filter(category='set', user=user)],
-        )
+    def save(self, commit=True, **kwargs):
+        return Book.from_xml_file(self.cleaned_data['book_xml_file'], overwrite=True, **kwargs)
 
 
-class ObjectSetsForm(forms.Form):
-    def __init__(self, obj, user, *args, **kwargs):
-        super(ObjectSetsForm, self).__init__(*args, **kwargs)
-        self.fields['set_ids'] = forms.MultipleChoiceField(
-            label=_('Shelves'),
-            required=False,
-            choices=[(tag.id, "%s (%s)" % (tag.name, tag.get_count())) for tag in Tag.objects.filter(category='set', user=user)],
-            initial=[tag.id for tag in obj.tags.filter(category='set', user=user)],
-            widget=forms.CheckboxSelectMultiple
-        )
-
-
-class NewSetForm(forms.Form):
-    name = forms.CharField(max_length=50, required=True)
-
-    def __init__(self, *args, **kwargs):
-        super(NewSetForm, self).__init__(*args, **kwargs)
-        self.fields['name'].widget.attrs['title'] = _('Name of the new shelf')
-
-    def save(self, user, commit=True):
-        name = self.cleaned_data['name']
-        new_set = Tag(name=name, slug=utils.get_random_hash(name), sort_key=slughifi(name),
-            category='set', user=user)
-
-        new_set.save()
-        return new_set
-
-
-FORMATS = (
-    ('mp3', 'MP3'),
-    ('ogg', 'OGG'),
-    ('pdf', 'PDF'),
-    ('odt', 'ODT'),
-    ('txt', 'TXT'),
-    ('epub', 'EPUB'),
-)
+FORMATS = [(f, f.upper()) for f in Book.ebook_formats]
 
 
 class DownloadFormatsForm(forms.Form):
-    formats = forms.MultipleChoiceField(required=False, choices=FORMATS, widget=forms.CheckboxSelectMultiple)
+    formats = forms.MultipleChoiceField(required=False, choices=FORMATS,
+            widget=forms.CheckboxSelectMultiple)
 
     def __init__(self, *args, **kwargs):
-         super(DownloadFormatsForm, self).__init__(*args, **kwargs)
-
+        super(DownloadFormatsForm, self).__init__(*args, **kwargs)
+
+
+CUSTOMIZATION_FLAGS = (
+    ('nofootnotes', _("Don't show footnotes")),
+    ('nothemes', _("Don't disply themes")),
+    ('nowlfont', _("Don't use our custom font")),
+    ('no-cover', _("Without cover")),
+    )
+CUSTOMIZATION_OPTIONS = (
+    ('leading', _("Leading"), (
+        ('', _('Normal leading')),
+        ('onehalfleading', _('One and a half leading')),
+        ('doubleleading', _('Double leading')),
+        )),
+    ('fontsize', _("Font size"), (
+        ('', _('Default')),
+        ('13pt', _('Big'))
+        )),
+#    ('pagesize', _("Paper size"), (
+#        ('a4paper', _('A4')),
+#        ('a5paper', _('A5')),
+#        )),
+    )
+
+
+class CustomPDFForm(forms.Form):
+    def __init__(self, book, *args, **kwargs):
+        super(CustomPDFForm, self).__init__(*args, **kwargs)
+        self.book = book
+        for name, label in CUSTOMIZATION_FLAGS:
+            self.fields[name] = forms.BooleanField(required=False, label=label)
+        for name, label, choices in CUSTOMIZATION_OPTIONS:
+            self.fields[name] = forms.ChoiceField(choices, required=False, label=label)
+
+    def clean(self):
+        self.cleaned_data['cust'] = self.customizations
+        self.cleaned_data['path'] = get_customized_pdf_path(self.book,
+            self.cleaned_data['cust'])
+        if not WaitedFile.can_order(self.cleaned_data['path']):
+            raise ValidationError(_('Queue is full. Please try again later.'))
+        return self.cleaned_data
+
+    @property
+    def customizations(self):
+        c = []
+        for name, label in CUSTOMIZATION_FLAGS:
+            if self.cleaned_data.get(name):
+                c.append(name)
+        for name, label, choices in CUSTOMIZATION_OPTIONS:
+            option = self.cleaned_data.get(name)
+            if option:
+                c.append(option)
+        c.sort()
+        return c
+
+    def save(self, *args, **kwargs):
+        if not self.cleaned_data['cust'] and self.book.pdf_file:
+            # Don't build with default options, just redirect to the standard file.
+            return {"redirect": self.book.pdf_file.url}
+        url = WaitedFile.order(self.cleaned_data['path'],
+            lambda p: build_custom_pdf.delay(self.book.id,
+                self.cleaned_data['cust'], p),
+            self.book.pretty_title()
+            )
+        #return redirect(url)
+        return {"redirect": url}