-import vstorage
-from wiki import settings
+# -*- coding: utf-8 -*-
+#
+# 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.translation import ugettext_lazy as _
-class DocumentStorage(object):
- def __init__(self, path):
- self.vstorage = vstorage.VersionedStorage(path)
-
- def get(self, name, revision=None):
- if revision is None:
- text = self.vstorage.page_text(name)
+from dvcs import models as dvcs_models
+
+
+import logging
+logger = logging.getLogger("fnp.wiki")
+
+
+RE_TRIM_BEGIN = re.compile("^<!-- TRIM_BEGIN -->$", re.M)
+RE_TRIM_END = re.compile("^<!-- TRIM_END -->$", re.M)
+
+
+class Book(models.Model):
+ """ A document edited on the wiki """
+
+ title = models.CharField(_('title'), max_length=255)
+ slug = models.SlugField(_('slug'), max_length=128, unique=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)
+
+ class Meta:
+ ordering = ['parent_number', 'title']
+ verbose_name = _('book')
+ verbose_name_plural = _('books')
+
+ def __unicode__(self):
+ return self.title
+
+ @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 __len__(self):
+ return self.chunk_set.count()
+
+ @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
+
+ def materialize(self):
+ """
+ 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.
+ """
+ texts = []
+ trim_begin = False
+ text = ''
+ for chunk in self:
+ 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)
+
+ @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)
+ 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:
- text = self.vstorage.revision_text(name, revision)
- return Document(self, name=name, text=text)
-
- def put(self, name, document, author, comment, parent):
- self.vstorage.save_text(document.name, document.text, author, comment, parent)
+ 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))
+
+
+
+
+'''
+from wiki import settings, constants
+from slughifi import slughifi
+
+from django.http import Http404
+
- def delete(name, author, comment):
- self.vstorage.delete_page(name, author, comment)
class Document(object):
- def __init__(self, storage, **kwargs):
- self.storage = storage
- for attr, value in kwargs:
- setattr(self, attr, value)
+ 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)
+
+ result['gallery'] = gallery
+ return result
+
+ def info(self):
+ return self.storage.vstorage.page_meta(self.name, self.revision)
+
+
+
+'''
+class Theme(models.Model):
+ name = models.CharField(_('name'), max_length=50, unique=True)
+
+ class Meta:
+ ordering = ('name',)
+ verbose_name = _('theme')
+ verbose_name_plural = _('themes')
+
+ def __unicode__(self):
+ return self.name
-storage = DocumentStorage(settings.REPOSITORY_PATH)
+ def __repr__(self):
+ return "Theme(name=%r)" % self.name