Add basic "receive" handler logic for receiving API

tailbone/forms/receiving.py

@@ -0,0 +1,69 @@
+# -*- coding: utf-8; -*-
+################################################################################
+#
+#  Rattail -- Retail Software Framework
+#  Copyright © 2010-2019 Lance Edgar
+#
+#  This file is part of Rattail.
+#
+#  Rattail 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, either version 3 of the License, or (at your option) any later
+#  version.
+#
+#  Rattail 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
+#  Rattail.  If not, see <http://www.gnu.org/licenses/>.
+#
+################################################################################
+"""
+Forms for Receiving
+"""
+
+from __future__ import unicode_literals, absolute_import
+
+from rattail.db import model
+
+import colander
+
+
+@colander.deferred
+def valid_purchase_batch_row(node, kw):
+    session = kw['session']
+    def validate(node, value):
+        row = session.query(model.PurchaseBatchRow).get(value)
+        if not row:
+            raise colander.Invalid(node, "Batch row not found")
+        if row.batch.executed:
+            raise colander.Invalid(node, "Batch has already been executed")
+        return row.uuid
+    return validate
+
+
+class ReceiveRow(colander.MappingSchema):
+
+    row = colander.SchemaNode(colander.String(),
+                              validator=valid_purchase_batch_row)
+
+    mode = colander.SchemaNode(colander.String(),
+                               validator=colander.OneOf([
+                                   'received',
+                                   'damaged',
+                                   'expired',
+                                   # 'mispick',
+                               ]))
+
+    cases = colander.SchemaNode(colander.Decimal(),
+                                missing=colander.null)
+
+    units = colander.SchemaNode(colander.Decimal(),
+                                missing=colander.null)
+
+    expiration_date = colander.SchemaNode(colander.Date(),
+                                          missing=colander.null)
+
+    quick_receive = colander.SchemaNode(colander.Boolean())