TF-4236 Add BatchSetEmailProcessingMixin to execute batch set email

lib/features/base/mixin/batch_set_email_processing_mixin.dart

@@ -0,0 +1,90 @@
+import 'dart:math' hide log;
+
+import 'package:core/utils/app_logger.dart';
+import 'package:jmap_dart_client/http/http_client.dart';
+import 'package:jmap_dart_client/jmap/account_id.dart';
+import 'package:jmap_dart_client/jmap/core/error/set_error.dart';
+import 'package:jmap_dart_client/jmap/core/id.dart';
+import 'package:jmap_dart_client/jmap/core/method/response/set_response.dart';
+import 'package:jmap_dart_client/jmap/core/patch_object.dart';
+import 'package:jmap_dart_client/jmap/core/session/session.dart';
+import 'package:jmap_dart_client/jmap/jmap_request.dart';
+import 'package:jmap_dart_client/jmap/mail/email/email.dart';
+import 'package:jmap_dart_client/jmap/mail/email/set/set_email_method.dart';
+import 'package:jmap_dart_client/jmap/mail/email/set/set_email_response.dart';
+import 'package:model/extensions/list_id_extension.dart';
+import 'package:tmail_ui_user/features/base/mixin/handle_error_mixin.dart';
+import 'package:tmail_ui_user/features/base/mixin/mail_api_mixin.dart';
+import 'package:tmail_ui_user/main/error/capability_validator.dart';
+
+typedef OnGeneratePatchObjectUpdates = Map<Id, PatchObject> Function(
+  List<EmailId> batchIds,
+);
+
+mixin BatchSetEmailProcessingMixin on HandleSetErrorMixin, MailAPIMixin {
+  Future<
+      ({
+        List<EmailId> emailIdsSuccess,
+        Map<Id, SetError> mapErrors,
+      })> executeBatchSetEmail({
+    required Session session,
+    required AccountId accountId,
+    required List<EmailId> emailIds,
+    required HttpClient httpClient,
+    required OnGeneratePatchObjectUpdates onGenerateUpdates,
+    String debugLabel = 'executeBatchSetEmail',
+  }) async {
+    if (emailIds.isEmpty) {
+      return (emailIdsSuccess: <EmailId>[], mapErrors: <Id, SetError>{});
+    }
+
+    final maxObjects = getMaxObjectsInSetMethod(session, accountId);
+    final totalEmails = emailIds.length;
+    final maxBatches = min(totalEmails, maxObjects);
+
+    final List<EmailId> updatedEmailIds = List.empty(growable: true);
+    final List<SetResponse> listSetResponse = List.empty(growable: true);
+
+    for (int start = 0; start < totalEmails; start += maxBatches) {
+      int end =
+          (start + maxBatches < totalEmails) ? start + maxBatches : totalEmails;
+
+      log('EmailAPI::$debugLabel:emails from ${start + 1} to $end');
+
+      final currentListEmailIds = emailIds.sublist(start, end);
+
+      final setEmailMethod = SetEmailMethod(accountId)
+        ..addUpdates(onGenerateUpdates(currentListEmailIds));
+
+      final requestBuilder = JmapRequestBuilder(
+        httpClient,
+        ProcessingInvocation(),
+      );
+      final setEmailInvocation = requestBuilder.invocation(setEmailMethod);
+
+      final capabilities = setEmailMethod.requiredCapabilities
+          .toCapabilitiesSupportTeamMailboxes(session, accountId);
+
+      final response =
+          await (requestBuilder..usings(capabilities)).build().execute();
+
+      final setEmailResponse = response.parse<SetEmailResponse>(
+        setEmailInvocation.methodCallId,
+        SetEmailResponse.deserialize,
+      );
+
+      if (setEmailResponse == null) continue;
+
+      final listEmailIds = setEmailResponse.updated?.keys.toEmailIds() ?? [];
+      updatedEmailIds.addAll(listEmailIds);
+      listSetResponse.add(setEmailResponse);
+    }
+
+    Map<Id, SetError> mapErrors = <Id, SetError>{};
+    if (listSetResponse.isNotEmpty) {
+      mapErrors = handleSetResponse(listSetResponse);
+    }
+
+    return (emailIdsSuccess: updatedEmailIds, mapErrors: mapErrors);
+  }
+}