# This file is part of FNP-Redakcja, licensed under GNU Affero GPLv3 or later.
# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
#
+import itertools
+import re
+
+from django.core.urlresolvers import reverse
from django.db import models
+from django.utils.safestring import mark_safe
from django.utils.translation import ugettext_lazy as _
+from django.template.loader import render_to_string
from dvcs import models as dvcs_models
-
+from wiki.xml_tools import compile_text
import logging
logger = logging.getLogger("fnp.wiki")
-class Document(models.Model):
+class Book(models.Model):
""" A document edited on the wiki """
- slug = models.CharField(_('slug'))
- title = models.CharField(_('displayed title'), blank=True)
- data = models.ForeignKey(dvcs_models.Document)
- gallery = models.CharField(_('scan gallery name'), blank=True)
-
-
-
-
-'''
-from wiki import settings, constants
-from slughifi import slughifi
-
-from django.http import Http404
-
-
+ title = models.CharField(_('title'), max_length=255, db_index=True)
+ slug = models.SlugField(_('slug'), max_length=128, unique=True, db_index=True)
+ gallery = models.CharField(_('scan gallery name'), max_length=255, blank=True)
+ parent = models.ForeignKey('self', null=True, blank=True, verbose_name=_('parent'), related_name="children")
+ parent_number = models.IntegerField(_('parent number'), null=True, blank=True, db_index=True)
+ last_published = models.DateTimeField(null=True, editable=False, db_index=True)
-class Document(object):
+ class NoTextError(BaseException):
+ pass
- def add_tag(self, tag, revision, author):
- """ Add document specific tag """
- logger.debug("Adding tag %s to doc %s version %d", tag, self.name, revision)
- self.storage.vstorage.add_page_tag(self.name, revision, tag, user=author)
-
- @property
- def plain_text(self):
- return re.sub(self.META_REGEX, '', self.text, 1)
-
- def meta(self):
- result = {}
-
- m = re.match(self.META_REGEX, self.text)
- if m:
- for line in m.group(1).split('\n'):
- try:
- k, v = line.split(':', 1)
- result[k.strip()] = v.strip()
- except ValueError:
- continue
-
- gallery = result.get('gallery', slughifi(self.name.replace(' ', '_')))
-
- if gallery.startswith('/'):
- gallery = os.path.basename(gallery)
+ class Meta:
+ ordering = ['parent_number', 'title']
+ verbose_name = _('book')
+ verbose_name_plural = _('books')
- result['gallery'] = gallery
- return result
+ def __unicode__(self):
+ return self.title
+
+ def get_absolute_url(self):
+ return reverse("wiki_book", args=[self.slug])
+
+ @classmethod
+ def create(cls, creator=None, text=u'', *args, **kwargs):
+ """
+ >>> Book.create(slug='x', text='abc').materialize()
+ 'abc'
+ """
+ instance = cls(*args, **kwargs)
+ instance.save()
+ instance[0].commit(author=creator, text=text)
+ return instance
+
+ def __iter__(self):
+ return iter(self.chunk_set.all())
+
+ def __getitem__(self, chunk):
+ return self.chunk_set.all()[chunk]
+
+ def materialize(self, publishable=True):
+ """
+ Get full text of the document compiled from chunks.
+ Takes the current versions of all texts
+ or versions most recently tagged for publishing.
+ """
+ if publishable:
+ changes = [chunk.publishable() for chunk in self]
+ else:
+ changes = [chunk.head for chunk in self]
+ if None in changes:
+ raise self.NoTextError('Some chunks have no available text.')
+ return compile_text(change.materialize() for change in changes)
+
+ def publishable(self):
+ if not len(self):
+ return False
+ for chunk in self:
+ if not chunk.publishable():
+ return False
+ return True
+
+ def make_chunk_slug(self, proposed):
+ """
+ Finds a chunk slug not yet used in the book.
+ """
+ slugs = set(c.slug for c in self)
+ i = 1
+ new_slug = proposed
+ while new_slug in slugs:
+ new_slug = "%s-%d" % (proposed, i)
+ i += 1
+ return new_slug
+
+ def append(self, other):
+ number = self[len(self) - 1].number + 1
+ single = len(other) == 1
+ for chunk in other:
+ # move chunk to new book
+ chunk.book = self
+ chunk.number = number
+
+ # try some title guessing
+ if other.title.startswith(self.title):
+ other_title_part = other.title[len(self.title):].lstrip(' /')
+ else:
+ other_title_part = other.title
+
+ if single:
+ # special treatment for appending one-parters:
+ # just use the guessed title and original book slug
+ chunk.comment = other_title_part
+ if other.slug.startswith(self.slug):
+ chunk_slug = other.slug[len(self.slug):].lstrip('-_')
+ else:
+ chunk_slug = other.slug
+ chunk.slug = self.make_chunk_slug(chunk_slug)
+ else:
+ chunk.comment = "%s, %s" % (other_title_part, chunk.comment)
+ chunk.slug = self.make_chunk_slug(chunk.slug)
+ chunk.save()
+ number += 1
+ other.delete()
+
+ @staticmethod
+ def listener_create(sender, instance, created, **kwargs):
+ if created:
+ instance.chunk_set.create(number=1, slug='1')
+
+models.signals.post_save.connect(Book.listener_create, sender=Book)
+
+
+class Chunk(dvcs_models.Document):
+ """ An editable chunk of text. Every Book text is divided into chunks. """
+
+ book = models.ForeignKey(Book, editable=False)
+ number = models.IntegerField()
+ slug = models.SlugField()
+ comment = models.CharField(max_length=255, blank=True)
- def info(self):
- return self.storage.vstorage.page_meta(self.name, self.revision)
+ class Meta:
+ unique_together = [['book', 'number'], ['book', 'slug']]
+ ordering = ['number']
+ def __unicode__(self):
+ return "%d-%d: %s" % (self.book_id, self.number, self.comment)
+
+ def get_absolute_url(self):
+ return reverse("wiki_editor", args=[self.book.slug, self.slug])
+
+ @classmethod
+ def get(cls, slug, chunk=None):
+ if chunk is None:
+ return cls.objects.get(book__slug=slug, number=1)
+ else:
+ return cls.objects.get(book__slug=slug, slug=chunk)
+
+ def pretty_name(self, book_length=None):
+ title = self.book.title
+ if self.comment:
+ title += ", %s" % self.comment
+ if book_length > 1:
+ title += " (%d/%d)" % (self.number, book_length)
+ return title
+
+ def split(self, slug, comment='', creator=None):
+ """ Create an empty chunk after this one """
+ self.book.chunk_set.filter(number__gt=self.number).update(
+ number=models.F('number')+1)
+ new_chunk = self.book.chunk_set.create(number=self.number+1,
+ creator=creator, slug=slug, comment=comment)
+ return new_chunk
+
+ def list_html(self):
+ _list_html = render_to_string('wiki/chunk_list_item.html',
+ {'chunk': self})
+ return mark_safe(_list_html)
+
+ @staticmethod
+ def listener_saved(sender, instance, created, **kwargs):
+ if instance.book:
+ # save book so that its _list_html is reset
+ instance.book.save()
+
+models.signals.post_save.connect(Chunk.listener_saved, sender=Chunk)
-'''
class Theme(models.Model):
name = models.CharField(_('name'), max_length=50, unique=True)
fnp / redakcja.git / blobdiff