Automatically Throttle Incidents Raised by Same User Within Short Timeframe (ServiceNowDevProgram#1956)

* Create code.js

* Create README.md

Author: chetnadev

Server-Side Components/Business Rules/Automatically Throttle Incidents Raised by Same User Within Short Timeframe/README.md

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+This business rule prevents users from submitting too many incidents in a short time, acting as a rate-limiting mechanism to reduce spam or misuse of the incident form.
+
+What It Does:
+-Checks how many incidents the same caller has submitted in the last 10 minutes.
+-If the number of incidents is 3 or more, the rule:
+-Blocks the current incident from being submitted.
+-Displays an error message:
+"You have submitted too many incidents in a short time. Please wait before submitting more."

Server-Side Components/Business Rules/Automatically Throttle Incidents Raised by Same User Within Short Timeframe/code.js

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+(function executeRule(current, gsn, gs) {
+
+    var limit = 3;
+    var windowMins = 10;
+
+    var recentIncidents = new GlideRecord('incident');
+    recentIncidents.addQuery('caller_id', current.caller_id);
+    
+    var now = new GlideDateTime();
+    var cutoff = new GlideDateTime();
+    cutoff.addMinutes(-windowMins);
+    
+    recentIncidents.addQuery('sys_created_on', '>=', cutoff);
+    recentIncidents.query();
+
+    var count = 0;
+    while (recentIncidents.next()) {
+        count++;
+    }
+
+    if (count >= limit) {
+        gs.addErrorMessage("You have submitted too many incidents in a short time. Please wait before submitting more.");
+        current.setAbortAction(true);
+    }
+
+})(current, gsn, gs);