Continued work on media schedule panel.

www/js/utils.js

@@ -36,6 +36,20 @@ class canopyUtils{
         return string.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
     }
 
+    isSameDate(d0, d1){
+        return d0.getYear() == d1.getYear() && d0.getMonth() == d1.getMonth() && d0.getDate() == d1.getDate();
+    }
+
+    dateWithinRange(min, max, input){
+        return min.getTime() < input.getTime() && max.getTime() > input.getTime();
+    }
+ 
+}
+
+class canopyUXUtils{
+    constructor(){
+    } 
+
     async awaitNextFrame(){
         //return a new promise
         return new Promise((resolve)=>{
@@ -49,11 +63,18 @@ class canopyUtils{
             });
         })
     }
-}
 
-class canopyUXUtils{
-    constructor(){
-    } 
+    //Useful for pesky date/time input conversions
+    localizeDate(date){
+        //Apply timezone offset to base (utc) time
+        return new Date(date.getTime() - (date.getTimezoneOffset() * 60000));
+    }
+
+    //Useful for pesky date/time input conversions
+    normalizeDate(date){
+        //Convert dates which store local time to utc to dates which store utc as utc
+        return new Date(date.getTime() + (date.getTimezoneOffset() * 60000));
+    }
 
     //Update this and popup class to use nodes
     //and display multiple errors in one popup