Allow to extend Add Sample behavior with adapters

CHANGES.rst

@@ -6,6 +6,7 @@ Changelog
 
 **Added**
 
+- #1462 Allow to extend the behavior of fields from AddSample view with adapters
 - #1455 Added support for adapters in guard handler
 - #1436 Setting in setup for auto-reception of samples upon creation
 - #1433 Added Submitter column in Sample's analyses listing
@@ -35,6 +36,7 @@ Changelog
 
 **Fixed**
 
+- #1462 Autofill Client Contact in Sample Add form when current user is a client
 - #1461 Allow unassign transition for cancelled/rejected/retracted analyses
 - #1449 sort_limit was not considered in ReferenceWidget searches
 - #1449 Fix Clients were unable to add batches

bika/lims/adapters/addsample.py

@@ -0,0 +1,52 @@
+# -*- coding: utf-8 -*-
+#
+# This file is part of SENAITE.CORE.
+#
+# SENAITE.CORE is free software: you can redistribute it and/or modify it under
+# the terms of the GNU General Public License as published by the Free Software
+# Foundation, version 2.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+# details.
+#
+# You should have received a copy of the GNU General Public License along with
+# this program; if not, write to the Free Software Foundation, Inc., 51
+# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Copyright 2018-2019 by it's authors.
+# Some rights reserved, see README and LICENSE.
+
+from zope.component import adapts
+
+from bika.lims import api
+from bika.lims.interfaces import IAddSampleObjectInfo
+
+
+class AddSampleObjectInfoAdapter(object):
+    """Base implementation of an adapter for reference fields used in Sample
+    Add form
+    """
+    adapts(IAddSampleObjectInfo)
+
+    def __init__(self, context):
+        self.context = context
+
+    def get_base_info(self):
+        """Returns the basic dictionary structure for the current object
+        """
+        return {
+            "id": api.get_id(self.context),
+            "uid": api.get_uid(self.context),
+            "title": api.get_title(self.context),
+            "field_values": {},
+            "filter_queries": {},
+        }
+
+    def get_object_info(self):
+        """Returns the dict representation of the context object for its
+        correct consumption by Sample Add form.
+        See IAddSampleObjectInfo for further details
+        """
+        raise NotImplementedError("get_object_info not implemented")