Refactor model URL builder.

sourcing/model.py

@@ -35,6 +35,12 @@ reserved_name = ['root', 'admin', 'administrator', 'support', 'info',
 re_username = re.compile('^\w+$', re.U)
 re_full_name = re.compile('^([-.\'" ]|[^\W\d_])+$', re.U)
 
+def item_url():
+    return url_for('view.view_item',
+                   username=self.user.username,
+                   hashid=self.hashid)
+
+
 def user_exists(field, value):
     return session.query(exists().where(field == value)).scalar()
 
@@ -168,36 +174,34 @@ class Item(TimeStampedModel):
             return
         return cls.query.get(item_id)
 
-    @property
-    def url(self):
-        return url_for('view.view_item',
-                       username=self.user.username,
-                       hashid=self.hashid)
-
-    def version_url(self, version):
-        return url_for('view.view_item',
+    def view_url(self, endpoint, **kwargs):
+        return url_for('view.' + endpoint,
                        username=self.user.username,
                        hashid=self.hashid,
-                       v=version)
+                       **kwargs)
+
+    @property
+    def url(self):
+        return self.view_url('view_item')
+
+    def version_url(self, version):
+        return self.view_url('view_item', v=version)
 
     @property
     def history_url(self):
-        return url_for('view.history', username=self.user.username, hashid=self.hashid)
+        return self.view_url('history')
 
     @property
     def external_url(self):
-        return url_for('view.view_item',
-                       username=self.user.username,
-                       hashid=self.hashid,
-                       _external=True)
+        return self.view_url('view_item', _external=True)
 
     @property
     def edit_url(self):
-        return url_for('view.edit_item', username=self.user.username, hashid=self.hashid)
+        return self.view_url('edit_item')
 
     @property
     def set_title_url(self):
-        return url_for('view.set_title', username=self.user.username, hashid=self.hashid)
+        return self.view_url('set_title')
 
     def title(self, titles=None):
         if not titles:
@@ -249,6 +253,10 @@ class XanaDoc(Item):
     def snippet(self):
         return self.text
 
+    @property
+    def xanaedit_url(self):
+        return self.view_url('xanaedit')
+
 class XanaLink(Item):
     __tablename__ = 'xanalink'
     __mapper_args__ = {'polymorphic_identity': 'xanalink'}