CC-733 : broadcast logs

adding time range selection for the log history.

airtime_mvc/public/js/airtime/utilities/utilities.js

@@ -35,6 +35,79 @@ var AIRTIME = (function(AIRTIME){
 		};
 	};
 	
+	 /*
+	 * Get the schedule range start in unix timestamp form (in seconds).
+	 * defaults to NOW if nothing is selected.
+	 * 
+	 * @param String sDatePickerId
+	 * 
+	 * @param String sTimePickerId
+	 * 
+	 * @return Number iTime
+	 */
+	mod.fnGetTimestamp = function(sDateId, sTimeId) {
+		var date, 
+			time,
+			iTime,
+			iServerOffset,
+			iClientOffset,
+			temp;
+	
+		temp = $(sDateId).val();
+		if ( temp === "") {
+			return 0;
+		}
+		else {
+			date = temp;
+		}
+		
+		time = $(sTimeId).val();
+		
+		date = date.split("-");
+		time = time.split(":");
+		
+		//0 based month in js.
+		oDate = new Date(date[0], date[1]-1, date[2], time[0], time[1]);
+		
+		iTime = oDate.getTime(); //value is in millisec.
+		iTime = Math.round(iTime / 1000);
+		iServerOffset = serverTimezoneOffset;
+		iClientOffset = oDate.getTimezoneOffset() * -60;//function returns minutes
+		
+		//adjust for the fact the the Date object is in client time.
+		iTime = iTime + iClientOffset + iServerOffset;
+		
+		return iTime;
+	};
+	
+	/*
+	 * Returns an object containing a unix timestamp in seconds for the start/end range
+	 * 
+	 * @return Object {"start", "end", "range"}
+	 */
+	mod.fnGetScheduleRange = function(dateStart, timeStart, dateEnd, timeEnd) {
+		var iStart, 
+			iEnd, 
+			iRange,
+			DEFAULT_RANGE = 60*60*24;
+		
+		iStart = AIRTIME.utilities.fnGetTimestamp(dateStart, timeStart);
+		iEnd = AIRTIME.utilities.fnGetTimestamp(dateEnd, timeEnd);
+		
+		iRange = iEnd - iStart;
+		
+		if (iRange === 0 || iEnd < iStart) {
+			iEnd = iStart + DEFAULT_RANGE;
+			iRange = DEFAULT_RANGE;
+		}
+		
+		return {
+			start: iStart,
+			end: iEnd,
+			range: iRange
+		};
+	};
+	
 return AIRTIME;
 	
 }(AIRTIME || {}));