Restrict Time record submission on specific days. (#2213)

* script.js

* README.md

Author: Indra-kolge

Client-Side Components/Client Scripts/Reinstate Error status/README.md

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+Table: Time Worked [task_time_worked]
+Type: onsubmit
+
+#Objective :
+Ensure that time entries (represented by the work_date field) are not submitted after 8:00 PM CST on two key dates:
+The 16th of the month and The last day of the month
+If a user tries to submit time for a current or past date after the cut-off time, the submission is blocked and a clear error message is displayed.
+
+#Business Scenario
+Imagine a consulting firm where employees log billable hours against customer cases. There are internal controls in place that lock the timekeeping system after a certain cut-off time to ensure accurate payroll and billing.
+
+The finance department requires that:
+On the 16th and last day of each month, submissions must be in before 8:00 PM CST.
+If employees miss the deadline, they can only log time for future dates (not today or the past).

Client-Side Components/Client Scripts/Reinstate Error status/script.js

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+function onSubmit() {
+    // Cutoff time for submission in CST.
+    var cutoffTime = "20:00:00";
+
+    // Get the current date and time in CST
+    var currentDate = new Date();
+    var currentCSTDate = new Date(
+        currentDate.toLocaleString("en-US", {
+            timeZone: "America/Chicago"
+        })
+    );
+
+    // Get time from current CST date
+    var currentCSTTime = currentCSTDate.toTimeString().substring(0, 8);
+
+    // Get last day of the month
+    var dayOfMonth = currentCSTDate.getDate();
+    var lastDayOfMonth = new Date(
+        currentCSTDate.getFullYear(),
+        currentCSTDate.getMonth() + 1,
+        0
+    ).getDate();
+
+    if ((dayOfMonth === 16 || dayOfMonth === lastDayOfMonth) && currentCSTTime > cutoffTime) {
+        var workDate = g_form.getValue("work_date");
+
+        if (workDate) {
+            var formattedWorkDate = new Date(workDate + "T00:00:00");
+            // If work_date is on or before current date, block submission
+            if (formattedWorkDate <= currentCSTDate) {
+                g_form.addErrorMessage(
+                    "The time period closed for time submission at 8:00 PM CST. Time must be billed in the next time period." + ": " + lastDayOfMonth
+                );
+                return false;
+            }
+        }
+    }
+    return true;
+}