Modify "Interval" field to select format

Modify the "Interval" filed in "Create Job" form
to select format， support user to choose 'Continuous',
'Weeks', 'Days' and so on. This makes the user input life easier.

Change-Id: Ida460d260d96c0b99f5ced035009221bba91b109
Closes-Bug: #1663235

disaster_recovery/jobs/templates/jobs/_info.html

@@ -9,5 +9,6 @@
 <script type='text/javascript' src='{{ STATIC_URL }}freezer/js/vendor/moment.js'></script>
 <script type='text/javascript' src='{{ STATIC_URL }}freezer/js/vendor/bootstrap-datetimepicker.js'></script>
 <script type='text/javascript' src='{{ STATIC_URL }}freezer/js/freezer.datetimepicker.js'></script>
+<script type='text/javascript' src='{{ STATIC_URL }}freezer/js/freezer.jobs.create.infos.js'></script>
 
 {% endblock %}

disaster_recovery/jobs/workflows/create.py

@@ -106,18 +106,17 @@ class InfoConfigurationAction(workflows.Action):
         label=_("Start Date and Time"),
         required=False)
 
-    schedule_interval = forms.CharField(
-        label=_("Interval"),
-        required=False,
-        help_text=_("""Set the interval in the following format:
-                       continuous,
-                       N weeks,
-                       N days,
-                       N hours,
-                       N minutes,
-                       N seconds,
-                       If no start date is provided the job
-                       will start immediately"""))
+    interval_uint = forms.ChoiceField(
+        label=_("Interval Unit"),
+        help_text=_("Set the unit for the Interval"),
+        required=False)
+
+    interval_value = forms.IntegerField(
+        label=_("Interval Value"),
+        initial=1,
+        min_value=1,
+        help_text=_("Set the interval value"),
+        required=False)
 
     schedule_end_date = forms.CharField(
         label=_("End Date and Time"),
@@ -142,6 +141,17 @@ class InfoConfigurationAction(workflows.Action):
         except ValueError:
             return False
 
+    def populate_interval_uint_choices(self, request, context):
+        return [
+            ('', _("Please choose a interval unit")),
+            ('continuous', _("Continuous")),
+            ('weeks', _("Weeks")),
+            ('days', _("Days")),
+            ('hours', _("Hours")),
+            ('minutes', _("Minutes")),
+            ('seconds', _("Seconds")),
+        ]
+
     def _check_start_datetime(self, cleaned_data):
         if cleaned_data.get('schedule_start_date') and not \
                 self._validate_iso_format(
@@ -151,13 +161,13 @@ class InfoConfigurationAction(workflows.Action):
 
         if (cleaned_data.get('schedule_start_date') and
                 cleaned_data.get('schedule_end_date')) and\
-                not cleaned_data.get('schedule_interval'):
+                not cleaned_data.get('schedule_unit'):
             msg = _("Please provide this value.")
-            self._errors['schedule_interval'] = self.error_class([msg])
+            self._errors['schedule_unit'] = self.error_class([msg])
 
         if (cleaned_data.get('schedule_end_date') and
                 not cleaned_data.get('schedule_start_date')) and\
-                not cleaned_data.get('schedule_interval'):
+                not cleaned_data.get('schedule_unit'):
             msg = _("Please provide this value.")
             self._errors['schedule_start_date'] = self.error_class([msg])
 
@@ -181,7 +191,8 @@ class InfoConfiguration(workflows.Step):
                    'job_id',
                    'actions',
                    'schedule_start_date',
-                   'schedule_interval',
+                   'interval_uint',
+                   'interval_value',
                    'schedule_end_date')
 
 
@@ -198,6 +209,15 @@ class ConfigureJob(workflows.Workflow):
 
     def handle(self, request, context):
         try:
+            interval_unit = context['interval_uint']
+            if not interval_unit or interval_unit == 'continuous':
+                context['schedule_interval'] = interval_unit
+            else:
+                interval_value = context['interval_value']
+                schedule_interval = "{0} {1}".format(interval_value,
+                                                     interval_unit)
+
+                context['schedule_interval'] = schedule_interval
             if context['job_id'] != '':
                 freezer_api.Job(request).update(context['job_id'], context)
             else:

disaster_recovery/static/freezer/js/freezer.jobs.create.infos.js

@@ -0,0 +1,40 @@
+/*
+# (c) Copyright 2014,2015 Hewlett-Packard Development Company, L.P.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+*/
+
+/*global $*/
+
+"use strict";
+
+function showIntervalValue() {
+    $("#id_interval_value").closest(".form-group").show();
+}
+
+function hideIntervalValue() {
+    $("#id_interval_value").closest(".form-group").hide();
+}
+
+$("#id_interval_uint").change(function () {
+    var $interval_uint = $("#id_interval_uint").val();
+    if ($interval_uint != 'continuous') {
+        showIntervalValue();
+    } else {
+        hideIntervalValue();
+    }
+});
+
+$(function () {
+    hideIntervalValue();
+});