Separate out time tracking and collision detection JS into separate javascript files

js/ticket_collision_detection.js

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+// Collision detection
+// Adds a "view" entry of the current ticket every 2 mins into the database
+// Updates the currently viewing (ticket_collision_viewing) element with anyone that's looked at this ticket in the last two mins
+function ticket_collision_detection() {
+
+    // Get the page ticket id
+    var ticket_id = document.getElementById("ticket_id").value;
+
+    //Send a GET request to ajax.php as ajax.php?ticket_add_view=true&ticket_id=NUMBER
+    jQuery.get(
+        "ajax.php",
+        {ticket_add_view: 'true', ticket_id: ticket_id},
+        function(data) {
+            // We don't care about a response
+        }
+    );
+
+    //Send a GET request to ajax.php as ajax.php?ticket_query_views=true&ticket_id=NUMBER
+    jQuery.get(
+        "ajax.php",
+        {ticket_query_views: 'true', ticket_id: ticket_id},
+        function(data) {
+            //If we get a response from ajax.php, parse it as JSON
+            const ticket_view_data = JSON.parse(data);
+            document.getElementById("ticket_collision_viewing").innerText = ticket_view_data.message;
+        }
+    );
+}
+// Call on page load
+ticket_collision_detection();
+
+// Run every 2 mins
+setInterval(ticket_collision_detection, 120*1000);

js/ticket_time_tracking.js

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+// Ticket time tracking
+
+// Default values
+var hours = 0;
+var minutes = 0;
+var seconds = 0;
+setInterval(countTime, 1000);
+
+// Counter
+function countTime()
+{
+    ++seconds;
+    if (seconds == 60) {
+        seconds = 0;
+        minutes++;
+    }
+    if (minutes == 60) {
+        minutes = 0;
+        hours++;
+    }
+
+    // Total timeworked
+    var time_worked = pad(hours) + ":" + pad(minutes) + ":" + pad(seconds);
+    document.getElementById("time_worked").value = time_worked;
+}
+
+// Allows manually adjusting the timer
+function setTime()
+{
+    var time_as_text = document.getElementById("time_worked").value;
+    const time_text_array = time_as_text.split(":");
+    hours = parseInt(time_text_array[0]);
+    minutes = parseInt(time_text_array[1]);
+    seconds = parseInt(time_text_array[2]);
+}
+
+// This function "pads" out the values, adding zeros if they are required
+function pad(val)
+{
+    var valString = val + "";
+    if (valString.length < 2)
+    {
+        return "0" + valString;
+    }
+    else
+    {
+        return valString;
+    }
+}