Kunden & Lizenzen Fix

v2_adminpanel/init.sql

@@ -569,3 +569,25 @@ BEGIN
             FOR EACH ROW EXECUTE FUNCTION update_updated_at_column();
     END IF;
 END $$;
+
+
+-- Migration: Add device_type column to device_registrations table
+DO $$ 
+BEGIN
+    IF NOT EXISTS (SELECT 1 FROM information_schema.columns 
+                   WHERE table_name = 'device_registrations' AND column_name = 'device_type') THEN
+        ALTER TABLE device_registrations ADD COLUMN device_type VARCHAR(50) DEFAULT 'unknown';
+        
+        -- Update existing records to have a device_type based on operating system
+        UPDATE device_registrations 
+        SET device_type = CASE 
+            WHEN operating_system ILIKE '%windows%' THEN 'desktop'
+            WHEN operating_system ILIKE '%mac%' THEN 'desktop'
+            WHEN operating_system ILIKE '%linux%' THEN 'desktop'
+            WHEN operating_system ILIKE '%android%' THEN 'mobile'
+            WHEN operating_system ILIKE '%ios%' THEN 'mobile'
+            ELSE 'unknown'
+        END
+        WHERE device_type IS NULL OR device_type = 'unknown';
+    END IF;
+END $$;