- text = self.vstorage.revision_text(name, revision)
- return Document(self, name=name, text=text)
-
- def get_or_404(self, *args, **kwargs):
- try:
- return self.get(*args, **kwargs)
- except DocumentNotFound:
- raise Http404
-
- def put(self, document, author, comment, parent):
- self.vstorage.save_text(
- title=document.name,
- text=document.text,
- author=author,
- comment=comment,
- parent=parent)
-
- def delete(self, name, author, comment):
- self.vstorage.delete_page(name, author, comment)
-
- def all(self):
- return list(self.vstorage.all_pages())
-
- def history(self, title):
- return list(self.vstorage.page_history(title))
-
- def _info(self, name):
- return self.vstorage.page_meta(name)
-
-
-class Document(object):
- META_REGEX = re.compile(r'\s*<!--\s(.*?)-->', re.DOTALL | re.MULTILINE)
-
- def __init__(self, storage, **kwargs):
- self.storage = storage
- for attr, value in kwargs.iteritems():
- setattr(self, attr, value)
-
- def revision(self):
- try:
- return self.storage._info(self.name)[0]
- except DocumentNotFound:
- return - 1
-
- def add_tag(self, tag):
- """ Add document specific tag """
- logger.debug("Adding tag %s to doc %s version %d", tag, self.name, self.revision)
- self.storage.vstorage.add_page_tag(self.name, self.revision, tag)
+ 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)
+
+ 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)