Added DCMeta - EAV based application to represent document meta-data. Started to...

[redakcja.git] / apps / wiki / models.py

diff --git a/apps/wiki/models.py b/apps/wiki/models.py
index a128133..a8a9405 100644 (file)
--- a/apps/wiki/models.py
+++ b/apps/wiki/models.py
@@ -1,31 +1,145 @@
+# -*- 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 re
+import os
 import vstorage
-from wiki import settings
+from vstorage import DocumentNotFound
+from wiki import settings, constants
+from django.utils.translation import ugettext_lazy as _
+
+from django.http import Http404
+
+import logging
+logger = logging.getLogger("fnp.wiki")
+
+
+# _PCHARS_DICT = dict(zip((ord(x) for x in u"ĄĆĘŁŃÓŚŻŹąćęłńóśżź "), u"ACELNOSZZacelnoszz_"))
+_PCHARS_DICT = dict(zip((ord(x) for x in u" "), u"_"))
+
+# I know this is barbaric, but I didn't find a better solution ;(
+def split_name(name):
+    parts = name.translate(_PCHARS_DICT).split('__')
+    return parts
+
+def join_name(*parts, **kwargs):
+    name = u'__'.join(p.translate(_PCHARS_DICT) for p in parts)
+    logger.info("JOIN %r -> %r", parts, name)
+    return name
+
+def normalize_name(name):
+    """
+    >>> normalize_name("gąska".decode('utf-8'))
+    u'g\u0105ska'
+    """
+    return name.translate(_PCHARS_DICT).lower()
+
+STAGE_TAGS_RE = re.compile(r'^#stage-finished: (.*)$', re.MULTILINE)
 
 
 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)
-        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)
-
-    def delete(name, author, comment):
+        text, rev = self.vstorage.page_text(name, revision)
+        return Document(self, name=name, text=text, revision=rev)
+
+    def get_by_tag(self, name, tag):
+        text, rev = self.vstorage.page_text_by_tag(name, tag)
+        return Document(self, name=name, text=text, revision=rev)
+
+    def revert(self, name, revision):
+        text, rev = self.vstorage.revert(name, revision)
+        return Document(self, name=name, text=text, revision=rev)
+
+    def get_or_404(self, *args, **kwargs):
+        try:
+            return self.get(*args, **kwargs)
+        except DocumentNotFound:
+            raise Http404
+
+    def put(self, document, author, comment, parent=None):
+        self.vstorage.save_text(
+                title=document.name,
+                text=document.text,
+                author=author,
+                comment=comment,
+                parent=parent)
+
+        return document
+
+    def create_document(self, text, name):
+        title = u', '.join(p.title() for p in split_name(name))
+
+        if text is None:
+            text = u''
+
+        document = Document(self, name=name, text=text, title=title)
+        return self.put(document, u"<wiki>", u"Document created.")
+
+    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):
+        def stage_desc(match):
+            stage = match.group(1)
+            return _("Finished stage: %s") % constants.DOCUMENT_STAGES_DICT[stage]
+
+        for changeset in self.vstorage.page_history(title):
+            changeset['description'] = STAGE_TAGS_RE.sub(stage_desc, changeset['description'])
+            yield changeset
+
+
 
 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:
+        for attr, value in kwargs.iteritems():
             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', 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)
 
-storage = DocumentStorage(settings.REPOSITORY_PATH)
+def getstorage():
+    return DocumentStorage(settings.REPOSITORY_PATH)
 
+#
+# Django models
+#