1 from cubicweb.web import component

     2 from cubicweb.web.views import ajaxcontroller

     3 

     4 

     5 @ajaxcontroller.ajaxfunc

     6 def tag_entity(self, eid, taglist):

     7     execute = self._cw.execute

     8     # get list of tag for this entity

     9     tagged_by = set(tagname for (tagname,) in

    10                     execute('Any N WHERE T name N, T tags X, X eid %(x)s',

    11                             {'x': eid}))

    12     for tagname in taglist:

    13         tagname = tagname.strip()

    14         if not tagname or tagname in tagged_by:

    15             continue

    16         tagrset = execute('Tag T WHERE T name %(name)s', {'name': tagname})

    17         if tagrset:

    18             rql = 'SET T tags X WHERE T eid %(t)s, X eid %(x)s'

    19             execute(rql, {'t': tagrset[0][0], 'x': eid})

    20         else:

    21             rql = 'INSERT Tag T: T name %(name)s, T tags X WHERE X eid %(x)s'

    22             execute(rql, {'name': tagname, 'x': eid})

    23 

    24 

    25 class TagsBox(component.AjaxEditRelationCtxComponent):

    26     __regid__ = 'tags_box'

    27     rtype = 'tags'

    28     role = 'object'