fix revisions and diff

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

diff --git a/apps/wiki/views.py b/apps/wiki/views.py
index 75650e0..2a317f2 100644 (file)
--- a/apps/wiki/views.py
+++ b/apps/wiki/views.py
@@ -114,7 +114,10 @@ def text(request, slug, chunk=None):
                 author = None
             text = form.cleaned_data['text']
             parent_revision = form.cleaned_data['parent_revision']
-            parent = doc.at_revision(parent_revision)
+            if parent_revision is not None:
+                parent = doc.at_revision(parent_revision)
+            else:
+                parent = None
             stage = form.cleaned_data['stage_completed']
             tags = [stage] if stage else []
             doc.commit(author=author,
@@ -137,12 +140,17 @@ def text(request, slug, chunk=None):
         try:
             revision = int(revision)
         except (ValueError, TypeError):
-            revision = None
+            revision = doc.revision()
+
+        if revision is not None:
+            text = doc.at_revision(revision).materialize()
+        else:
+            text = ''
 
         return JSONResponse({
-            'text': doc.at_revision(revision).materialize(),
+            'text': text,
             'meta': {},
-            'revision': revision if revision else doc.revision(),
+            'revision': revision,
         })
 
 
@@ -221,7 +229,11 @@ def diff(request, slug, chunk=None):
         doc = Chunk.get(slug, chunk)
     except (Chunk.MultipleObjectsReturned, Chunk.DoesNotExist):
         raise Http404
-    docA = doc.at_revision(revA).materialize()
+    # allow diff from the beginning
+    if revA:
+        docA = doc.at_revision(revA).materialize()
+    else:
+        docA = ""
     docB = doc.at_revision(revB).materialize()
 
     return http.HttpResponse(nice_diff.html_diff_table(docA.splitlines(),
@@ -272,8 +284,7 @@ def pubmark(request, slug, chunk=None):
         publishable = form.cleaned_data['publishable']
         change = doc.at_revision(revision)
         if publishable != change.publishable:
-            change.publishable = publishable
-            change.save()
+            change.set_publishable(publishable)
             return JSONResponse({"message": _("Revision marked")})
         else:
             return JSONResponse({"message": _("Nothing changed")})