Add serial number and custom property filters to device count query

components/device-mgt/io.entgra.device.mgt.core.device.mgt.core/src/main/java/io/entgra/device/mgt/core/device/mgt/core/dao/impl/AbstractDeviceDAOImpl.java

@@ -1319,6 +1319,8 @@ public abstract class AbstractDeviceDAOImpl implements DeviceDAO {
         boolean isSinceProvided = false;
         List<String> tagList = request.getTags();
         boolean isTagsProvided = false;
+        String serial = request.getSerialNumber();
+        boolean isSerialProvided = false;
 
         try {
             Connection conn = getConnection();
@@ -1370,6 +1372,23 @@ public abstract class AbstractDeviceDAOImpl implements DeviceDAO {
                 sql += ") GROUP BY dtm.ENROLMENT_ID HAVING COUNT(DISTINCT t.NAME) = ? )";
                 isTagsProvided = true;
             }
+            if (serial != null && !serial.isEmpty()) {
+                sql += " AND EXISTS (" +
+                        "SELECT VALUE_FIELD FROM DM_DEVICE_INFO di " +
+                        "WHERE di.DEVICE_ID = d1.ID " +
+                        "AND di.KEY_FIELD = 'serial' " +
+                        "AND di.VALUE_FIELD LIKE ?)";
+                isSerialProvided = true;
+            }
+            if (!request.getCustomProperty().isEmpty()) {
+                for (Map.Entry<String, String> entry : request.getCustomProperty().entrySet()) {
+                    sql += " AND EXISTS (" +
+                            "SELECT VALUE_FIELD FROM DM_DEVICE_INFO di2 " +
+                            "WHERE di2.DEVICE_ID = d1.ID " +
+                            "AND di2.KEY_FIELD = '" + entry.getKey() + "' " +
+                            "AND di2.VALUE_FIELD LIKE ?)";
+                }
+            }
 
             try (PreparedStatement stmt = conn.prepareStatement(sql)) {
                 int paramIdx = 1;
@@ -1402,6 +1421,14 @@ public abstract class AbstractDeviceDAOImpl implements DeviceDAO {
                     }
                     stmt.setInt(paramIdx++, tagList.size());
                 }
+                if (isSerialProvided) {
+                    stmt.setString(paramIdx++, "%" + serial + "%");
+                }
+                if (!request.getCustomProperty().isEmpty()) {
+                    for (Map.Entry<String, String> entry : request.getCustomProperty().entrySet()) {
+                        stmt.setString(paramIdx++, "%" + entry.getValue() + "%");
+                    }
+                }
 
                 try (ResultSet rs = stmt.executeQuery()) {
                     if (rs.next()) {