refactor(utils): extract query params builder, migrate health and location

modules/legacy/modules/device_management/lib/src/core/data/datasources/health_query_builder.dart

@@ -1,4 +1,4 @@
-import 'dart:convert';
+import 'package:utils/utils.dart';
 
 enum OrderDirection {
   asc('ASC'),
@@ -18,23 +18,24 @@ class HealthQueryBuilder {
     List<HealthFilter>? filters,
     String orderField = 'occurredAt',
   }) {
-    final orderBy = base64Encode(
-      utf8.encode(
-        '[{"field":"$orderField","sortDirection":"${orderDirection.value}"}]',
-      ),
-    );
-
-    final params = <String, dynamic>{'orderBy': orderBy};
+    final params = <String, dynamic>{
+      'orderBy': encodeOrderBy(orderField, direction: orderDirection.value),
+    };
     if (pageSize != null) params['pageSize'] = pageSize;
     if (page != null) params['page'] = page;
 
     if (filters != null && filters.isNotEmpty) {
-      final json = filters
+      params['filters'] = encodeFilters(
+        filters
             .map(
-            (f) => {'field': f.field, 'operator': f.operator, 'value': f.value},
+              (f) => {
+                'field': f.field,
+                'operator': f.operator,
+                'value': f.value,
+              },
             )
-          .toList();
-      params['filters'] = base64Encode(utf8.encode(jsonEncode(json)));
+            .toList(),
+      );
     }
 
     return params;

modules/legacy/modules/location/lib/src/core/data/datasource/location_remote_datasource_impl.dart

@@ -1,6 +1,5 @@
-import 'dart:convert';
-
 import 'package:control_panel/control_panel.dart';
+import 'package:utils/utils.dart';
 import 'package:dio/dio.dart';
 import 'package:legacy_shared/legacy_shared.dart';
 import 'package:location/src/core/data/datasource/location_remote_datasource.dart';
@@ -156,22 +155,12 @@ class LocationRemoteDatasourceImpl implements LocationRemoteDatasource {
       final fromMs = from.millisecondsSinceEpoch;
       final toMs = to.millisecondsSinceEpoch;
 
-      final filters = base64Encode(
-        utf8.encode(
-          jsonEncode([
+      final filters = encodeFilters([
         {'field': 'positionDate', 'operator': 'gte', 'value': fromMs},
         {'field': 'positionDate', 'operator': 'lte', 'value': toMs},
-          ]),
-        ),
-      );
+      ]);
 
-      final orderBy = base64Encode(
-        utf8.encode(
-          jsonEncode([
-            {'field': 'positionDate', 'sortDirection': 'ASC'},
-          ]),
-        ),
-      );
+      final orderBy = encodeOrderBy('positionDate', direction: 'ASC');
 
       final allPositions = <PositionEntity>[];
       int currentPage = 1;

packages/utils/lib/src/query_params_builder.dart

@@ -0,0 +1,25 @@
+import 'dart:convert';
+
+String encodeOrderBy(String field, {String direction = 'DESC'}) {
+  return base64Encode(
+    utf8.encode(
+      jsonEncode([
+        {'field': field, 'sortDirection': direction},
+      ]),
+    ),
+  );
+}
+
+String encodeFilters(List<Map<String, dynamic>> filters) {
+  return base64Encode(utf8.encode(jsonEncode(filters)));
+}
+
+String encodeFilter({
+  required String field,
+  required String operator,
+  required dynamic value,
+}) {
+  return encodeFilters([
+    {'field': field, 'operator': operator, 'value': value},
+  ]);
+}

packages/utils/lib/utils.dart

@@ -1,4 +1,5 @@
 export 'src/date_utils.dart';
 export 'src/duration_format.dart';
+export 'src/query_params_builder.dart';
 export 'src/size_utils.dart';
 export 'src/test.dart';