From b6083d836dca2d9e4f834b186315f85e8d557f6f Mon Sep 17 00:00:00 2001
From: Shriyansh <shriyansh.agrawal@research.iiit.ac.in>
Date: Sat, 9 Apr 2016 17:03:10 +0530
Subject: [PATCH] defined constraints for dateTimePicker

---
 app/assets/javascripts/osem-datepickers.js | 86 ++++++++++++++++------
 1 file changed, 64 insertions(+), 22 deletions(-)

diff --git a/app/assets/javascripts/osem-datepickers.js b/app/assets/javascripts/osem-datepickers.js
index b7ef12d8..1888da3e 100644
--- a/app/assets/javascripts/osem-datepickers.js
+++ b/app/assets/javascripts/osem-datepickers.js
@@ -1,33 +1,77 @@
+// get current_date
+var today = new Date().toISOString().slice(0, 10);
 $(function () {
-  $("#registration-arrival-datepicker, #registration-departure-datepicker").datetimepicker({
+  $("#registration-arrival-datepicker").datetimepicker({
       pickTime: true,
       useCurrent: false,
       minuteStepping: 15,
       sideBySide: true,
-      format: "YYYY-MM-DD HH:mm"
+      format: "YYYY-MM-DD HH:mm",
+      // current_date <= arrival_date <= end_date
+      maxDate : $("#registration-arrival-datepicker").attr('end_date'),
+      minDate : today,
+      defaultDate :   $("#registration-arrival-datepicker").attr('start_date'),
   });
-
-  $("#registration-arrival-datepicker").on("dp.change",function (e) {
-      console.log (e.date)
-      $('#registration-departure-datepicker').data("DateTimePicker").setDate(e.date);
-      $('#registration-departure-datepicker').data("DateTimePicker").setMinDate(e.date);
-  });
-  $("#conference-end-datepicker").on("dp.change",function (e) {
-      $('#registration-arrival-datepicker').data("DateTimePicker").setMaxDate(e.date);
-  });
-
-
-  const $datetimepickers = $("#conference-start-datepicker, #conference-end-datepicker, #registration-period-start-datepicker, #registration-period-end-datepicker");
-
-  $datetimepickers.datetimepicker({
-      pickTime: false,
+  
+  $("#registration-departure-datepicker").datetimepicker({
+      pickTime: true,
       useCurrent: false,
-      format: "YYYY-MM-DD"
+      minuteStepping: 15,
+      sideBySide: true,
+      format: "YYYY-MM-DD HH:mm",
+      // departure_date > start_date
+      minDate : $("#registration-arrival-datepicker").attr('start_date'),
+      defaultDate :   $("#registration-arrival-datepicker").attr('end_date'),
+  });
+  
+  $("#registration-arrival-datepicker").on("dp.change",function (e) {
+      // departure_date > start_date,arrival_date
+      if ((new Date(e.date).getTime()) > (new Date($("#registration-arrival-datepicker").attr('start_date')).getTime())){
+            $('#registration-departure-datepicker').data("DateTimePicker").setMinDate(e.date);
+      }
+      else{
+          $('#registration-departure-datepicker').data("DateTimePicker").setMinDate($("#registration-arrival-datepicker").attr('start_date'));
+      }
   });
 
+  // departure_date >= arrival_date
+   $("#registration-departure-datepicker").on("dp.change",function (e) {
+       $('#registration-arrival-datepicker').data("DateTimePicker").setMaxDate(e.date);
+   });
+
+   $("#conference-start-datepicker").datetimepicker({
+       pickTime: false,
+       useCurrent: false,
+       format: "YYYY-MM-DD",
+       // conference-start-day >= Current_date
+       minDate : today ,
+   });
+
+   $("#conference-end-datepicker").datetimepicker({
+       pickTime: false,
+       useCurrent: false,
+       format: "YYYY-MM-DD",
+   });
+   
+   //   end_date_conference >= registration-period-Start_date >= Current_date
+   //   registration-period-Start_date <= registration-period-End_date <= End_date (of conference)
+   $("#registration-period-start-datepicker").datetimepicker({
+       pickTime: false,
+       useCurrent: false,
+       format: "YYYY-MM-DD",
+       minDate : today,
+       maxDate : $("#registration-period-start-datepicker").attr('end_date'),
+   });
+   
+   $("#registration-period-end-datepicker").datetimepicker({
+       pickTime: false,
+       useCurrent: false,
+       format: "YYYY-MM-DD",
+       minDate: today,
+       maxDate : $("#registration-period-start-datepicker").attr('end_date'),
+   });
+   
   $("#conference-start-datepicker").on("dp.change",function (e) {
-      console.log (e.date)
-      $('#conference-end-datepicker').data("DateTimePicker").setDate(e.date);
       $('#conference-end-datepicker').data("DateTimePicker").setMinDate(e.date);
   });
   $("#conference-end-datepicker").on("dp.change",function (e) {
@@ -35,8 +79,6 @@ $(function () {
   });
 
   $("#registration-period-start-datepicker").on("dp.change",function (e) {
-      console.log (e.date)
-      $('#registration-period-end-datepicker').data("DateTimePicker").setDate(e.date);
       $('#registration-period-end-datepicker').data("DateTimePicker").setMinDate(e.date);
   });
   $("#registration-period-end-datepicker").on("dp.change",function (e) {