doc webdav: DAV properties for files (ir.attachment), used for locking

Similar to the dir.property model, ir.attachments may have arbitrary
properties, too. Note that we hide them from normal users, only list
them in separate form (don't want to bloat the ir.attachment one, even
at the XML level).

bzr revid: p_christ@hol.gr-20101207133955-8n6ipccdnygnuncn

addons/document_webdav/document_webdav.py

@@ -80,6 +80,10 @@ class dav_dir_property(osv.osv):
     _name = 'document.webdav.dir.property'
     
     _columns = {
+        'create_date': fields.datetime('Date Created', readonly=True),
+        'create_uid':  fields.many2one('res.users', 'Creator', readonly=True),
+        'write_date': fields.datetime('Date Modified', readonly=True),
+        'write_uid':  fields.many2one('res.users', 'Last Modification User', readonly=True),
         'dir_id': fields.many2one('document.directory', 'Directory', required=False, select=1),
         'namespace': fields.char('Namespace', size=127, required=True),
         'name': fields.char('Name', size=64, required=True),
@@ -93,4 +97,34 @@ class dav_dir_property(osv.osv):
         
 dav_dir_property()
 
+class dav_file_property(osv.osv):
+    """ Arbitrary WebDAV properties, attached to ir.attachments.
+    
+    A special case is the locks that can be applied on file nodes.
+    
+    There _can_ be properties without a file (RFC?), which means that they
+    globally apply to all the attachments of the present database.
+    
+    TODO access permissions, per property.
+    """
+    _name = 'document.webdav.file.property'
+    
+    _columns = {
+        'create_date': fields.datetime('Date Created', readonly=True),
+        'create_uid':  fields.many2one('res.users', 'Creator', readonly=True),
+        'write_date': fields.datetime('Date Modified', readonly=True),
+        'write_uid':  fields.many2one('res.users', 'Last Modification User', readonly=True),
+        'file_id': fields.many2one('ir.attachment', 'Document', required=False, select=1),
+        'namespace': fields.char('Namespace', size=127, required=True),
+        'name': fields.char('Name', size=64, required=True),
+        'value': fields.text('Value'),
+        'do_subst': fields.boolean('Substitute', required=True),
+        }
+        
+    _defaults = {
+        'do_subst': False,
+        }
+        
+dav_file_property()
+
 #eof