X-Git-Url: https://git.mdrn.pl/redakcja.git/blobdiff_plain/7671cda4767353b2a93b05f2332ba6e2f236c468..9249e6ddc35e7cc7077fa5035fbc27397fbb70a9:/apps/wiki/models.py diff --git a/apps/wiki/models.py b/apps/wiki/models.py index 60702065..28fdab8b 100644 --- a/apps/wiki/models.py +++ b/apps/wiki/models.py @@ -13,16 +13,12 @@ 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") -RE_TRIM_BEGIN = re.compile("^$", re.M) -RE_TRIM_END = re.compile("^$", re.M) - - class Book(models.Model): """ A document edited on the wiki """ @@ -32,6 +28,7 @@ class Book(models.Model): 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) _list_html = models.TextField(editable=False, null=True) @@ -46,6 +43,9 @@ class Book(models.Model): def __unicode__(self): return self.title + def get_absolute_url(self): + return reverse("wiki_book", args=[self.slug]) + def save(self, reset_list_html=True, *args, **kwargs): if reset_list_html: self._list_html = None @@ -79,54 +79,19 @@ class Book(models.Model): self.save(reset_list_html=False) return mark_safe(self._list_html) - @staticmethod - def trim(text, trim_begin=True, trim_end=True): - """ - Cut off everything before RE_TRIM_BEGIN and after RE_TRIM_END, so - that eg. one big XML file can be compiled from many small XML files. - """ - if trim_begin: - text = RE_TRIM_BEGIN.split(text, maxsplit=1)[-1] - if trim_end: - text = RE_TRIM_END.split(text, maxsplit=1)[0] - return text - - @staticmethod - def publish_tag(): - return dvcs_models.Tag.get('publish') - - def materialize(self, tag=None): + def materialize(self, publishable=True): """ Get full text of the document compiled from chunks. - Takes the current versions of all texts for now, but it should - be possible to specify a tag or a point in time for compiling. - - First non-empty text's beginning isn't trimmed, - and last non-empty text's end isn't trimmed. + Takes the current versions of all texts + or versions most recently tagged for publishing. """ - if tag: - changes = [chunk.last_tagged(tag) for chunk in self] + 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.') - texts = [] - trim_begin = False - text = '' - for chunk in changes: - next_text = chunk.materialize() - if not next_text: - continue - if text: - # trim the end, because there's more non-empty text - # don't trim beginning, if `text' is the first non-empty part - texts.append(self.trim(text, trim_begin=trim_begin)) - trim_begin = True - text = next_text - # don't trim the end, because there's no more text coming after `text' - # only trim beginning if it's not still the first non-empty - texts.append(self.trim(text, trim_begin=trim_begin, trim_end=False)) - return "".join(texts) + return compile_text(change.materialize() for change in changes) def publishable(self): if not len(self): @@ -136,6 +101,48 @@ class Book(models.Model): 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: @@ -147,10 +154,10 @@ 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) + book = models.ForeignKey(Book, editable=False) number = models.IntegerField() slug = models.SlugField() - comment = models.CharField(max_length=255) + comment = models.CharField(max_length=255, blank=True) class Meta: unique_together = [['book', 'number'], ['book', 'slug']] @@ -170,11 +177,26 @@ class Chunk(dvcs_models.Document): return cls.objects.get(book__slug=slug, slug=chunk) def pretty_name(self): - return "%s, %s (%d/%d)" % (self.book.title, self.comment, - self.number, len(self.book)) + title = self.book.title + if self.comment: + title += ", %s" % self.comment + count = len(self.book) + if count > 1: + title += " (%d/%d)" % (self.number, len(self.book)) + 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 publishable(self): - return self.last_tagged(Book.publish_tag()) + 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):