[FIX] website_form: handle date & datetime

Adding date & datetime inputs in the website
form builder couldn't work, because
the posted values for these input
types were not treated at all,
and they were not in the format
the date/datetime were stored in database.

opw-672674

addons/website_form/controllers/main.py

@@ -2,9 +2,12 @@
 import base64
 
 import json
+import pytz
+from datetime import datetime
 from psycopg2 import IntegrityError
 from openerp import http, SUPERUSER_ID
 from openerp.http import request
+from openerp.tools import DEFAULT_SERVER_DATE_FORMAT, DEFAULT_SERVER_DATETIME_FORMAT
 from openerp.tools.translate import _
 from openerp.exceptions import ValidationError
 from openerp.addons.base.ir.ir_qweb import nl2br
@@ -60,6 +63,17 @@ class WebsiteForm(http.Controller):
     def boolean(self, field_label, field_input):
         return bool(field_input)
 
+    def date(self, field_label, field_input):
+        lang = request.env['ir.qweb.field'].user_lang()
+        return datetime.strptime(field_input, lang.date_format).strftime(DEFAULT_SERVER_DATE_FORMAT)
+
+    def datetime(self, field_label, field_input):
+        lang = request.env['ir.qweb.field'].user_lang()
+        strftime_format = (u"%s %s" % (lang.date_format, lang.time_format))
+        user_tz = pytz.timezone(request.context.get('tz') or request.env.user.tz or 'UTC')
+        dt = user_tz.localize(datetime.strptime(field_input, strftime_format)).astimezone(pytz.utc)
+        return dt.strftime(DEFAULT_SERVER_DATETIME_FORMAT)
+
     def binary(self, field_label, field_input):
         return base64.b64encode(field_input.read())
 
@@ -73,7 +87,8 @@ class WebsiteForm(http.Controller):
         'char': identity,
         'text': identity,
         'html': identity,
-        'datetime': identity,
+        'date': date,
+        'datetime': datetime,
         'many2one': integer,
         'one2many': one2many,
         'many2many':many2many,