From 9b40f3d28165f06097ed48e92feac6842b843698 Mon Sep 17 00:00:00 2001
From: Joe Tretter <j.tretter@gmail.com>
Date: Sat, 6 Jun 2020 11:20:54 -0500
Subject: [PATCH] fix time presetting algorithm

---
 client/js/masterFilter.js | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

diff --git a/client/js/masterFilter.js b/client/js/masterFilter.js
index 1f9bfbe..2a36f4a 100644
--- a/client/js/masterFilter.js
+++ b/client/js/masterFilter.js
@@ -126,8 +126,9 @@ let createMasterFilterFrame=()=>{
 	}
 	
 	me.timeChanged=(newTime)=>{
-		if (_filterContext.selectedTime!==newTime){
+		if ((_filterContext.selectedTime!==newTime) || (_filterContext.theDateOfTime!==_filterContext.theDate)) {
 			_filterContext.selectedTime=newTime;
+			_filterContext.theDateOfTime=_filterContext.theDate;
 			$("#tbSelectedTime").text(newTime);
 			console.log("Time changed", newTime);
 		}
@@ -158,22 +159,26 @@ let createMasterFilterFrame=()=>{
 			let lbTime=$("#lbTime");
 			lbTime.empty();
 			allTimes = availableTimes;
+			let presetTime=undefined;
 			for (let i=0;i<allTimes.length;i++){
 				theTime=allTimes[i].Time;
-				if (_filterContext.selectedTime !== undefined) {
-					if (_filterContext.selectedTime.substring(0,4) === theTime.substring(0,4)){
-						me.timeChanged(theTime);
+				if (presetTime===undefined) { // emergency fallback, if nothing else fits fall back to first time seen.
+					presetTime = theTime;
+				}
+				if (_filterContext.selectedTime !== undefined) { // try to stay at the same time
+					if (_filterContext.selectedTime.substring(0,4) >= theTime.substring(0,4)){
+						presetTime = theTime;
 					}
 				} else {
-					if (i==4) {
+					if (i==4) { // this is usually upon open - initializing the selected time...
 						// select the 4th time in the day... that's usually around 9:30
-						me.timeChanged(theTime);
+						presetTime = theTime;
 					}
 				}
 				//lbTime.append($(`<option ${selectedFlag}>${theTime}</option>`))
 				lbTime.append($(`<button onclick="myMasterFilter.timeChanged('${theTime}');" class="dropdown-item" type="button">${theTime.substring(0,5)}</button>`))
-	
 			}
+			me.timeChanged(presetTime);
 			$("#lbTime").change();
 			$("#spinner-time").hide();
 		});