Add Scheduled Data Import Script for Groups Population in CMDB Classes (#2554)

* Create post-script.js

Created folder and added post-script file to the folder

* Uploaded Readme file

Added ReadMe file to the folder

Author: KUSHAL1912

Server-Side Components/Scheduled Jobs/Scheduled Data Import for Groups Population(Support and Managed By) for CMDB Classes/ReadMe.md

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+This is a Post-Import Script designed for a Scheduled Import . Its purpose is to cleanly map and update the Support Group and Managed By Group fields on Configuration Items (CIs) after data has been loaded into the staging table.
+
+Script Functionality
+The script iterates through the records of an Import Set and performs the following core steps for each row:
+
+ i)Extract Data: Reads the CI Class Display Name (u_class), Support Group Name (u_support_group), and Managed By Group Name (u_managed_by_group) from the staging table record.
+
+ ii)Validate Class: Uses the u_class(name from staging table) value to look up and confirm the correct target CMDB table name (e.g., finding cmdb_ci_server from the display name "Server").
+
+ iii)Resolve Groups: Finds the system-unique sys_ids for both the Support Group and Managed By Group names.
+
+ iv)Update CIs: Queries the determined CMDB table, filters the CIs based on the Optional-Filters placeholder, and sets the support_group and managed_by_group fields using the resolved sys_ids.
+
+**Points to note :
+1) The schedule-import should be linked to a Data Source which has the spreadsheet attached(where groups and classes info is present)
+2) This script populates the groups based on Group Name given in the spreadsheet(Make sure they are present in the instance and are following the appropriate naming convention)
+3) The script provided is a post script ,which executes after the data is imported.**
+   

Server-Side Components/Scheduled Jobs/Scheduled Data Import for Groups Population(Support and Managed By) for CMDB Classes/post-script.js

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+var impGR = new GlideRecord(data_source.import_set_table_name);
+impGR.addQuery('sys_import_set', import_set.sys_id);
+impGR.query();
+
+while (impGR.next()) {
+    var classDisplayName = impGR.getValue('u_class');//column name as in staging table
+    var supportGroupName = impGR.getValue('u_support_group');//column name as in staging table
+    var managedByGroupName = impGR.getValue('u_managed_by_group');//column name as in staging table
+
+    if (!classDisplayName) {
+        gs.warn('[Import] Skipping row with empty class.');
+        continue;
+    }
+
+    var classTable = '';
+    var dbObjGR = new GlideRecord('sys_db_object');
+    dbObjGR.addQuery('label', classDisplayName);
+dbObjGR.addEncodedQuery('nameSTARTSWITHu_cmdb_ci^ORnameSTARTSWITHcmdb_ci');//custom CMDB table names are prepended with u_cmdb_ci
+    dbObjGR.query();
+    if (dbObjGR.next()) {
+
+        classTable = dbObjGR.getValue('name');
+    }
+
+    if (!classTable) {
+        gs.warn('[Import] Could not find table for class: ' + classDisplayName);
+        continue;
+    }
+
+    var supportGroupId = '';
+    var managedByGroupId = '';
+
+    var groupGR = new GlideRecord('sys_user_group');
+    groupGR.addQuery('name', 'IN', supportGroupName + ',' + managedByGroupName);
+    groupGR.query();
+    while (groupGR.next()) {
+        var name = groupGR.getValue('name');
+        if (name === supportGroupName) supportGroupId = groupGR.getUniqueValue();
+        if (name === managedByGroupName) managedByGroupId = groupGR.getUniqueValue();
+    }
+
+    if (!supportGroupId || !managedByGroupId) {
+        gs.warn('[Import] Missing group sys_id for: ' + supportGroupName + ' or ' + managedByGroupName);
+        continue;
+    }
+
+
+    var ciGR = new GlideRecord(classTable);
+    ciGR.addEncodedQuery('Optional-Filters');
+    ciGR.query();
+    if (!ciGR.hasNext()) {
+        gs.warn('[Import] No CI found in ' + classTable + ' with name: ' + classDisplayName);
+    }
+
+    while (ciGR.next()) {
+        ciGR.setValue('support_group', supportGroupId);
+        ciGR.setValue('managed_by_group', managedByGroupId);
+        ciGR.update();
+    }
+}