TF-82 Create an email as drafts

lib/features/base/base_bindings.dart

@@ -0,0 +1,27 @@
+
+import 'package:get/get_instance/src/bindings_interface.dart';
+
+abstract class BaseBindings extends Bindings {
+
+  @override
+  void dependencies() {
+    bindingsDataSourceImpl();
+    bindingsDataSource();
+    bindingsRepositoryImpl();
+    bindingsRepository();
+    bindingsInteractor();
+    bindingsController();
+  }
+
+  void bindingsDataSourceImpl();
+
+  void bindingsDataSource();
+
+  void bindingsRepositoryImpl();
+
+  void bindingsRepository();
+
+  void bindingsInteractor();
+
+  void bindingsController();
+}

lib/features/composer/domain/state/save_email_as_drafts_state.dart

@@ -0,0 +1,21 @@
+import 'package:core/core.dart';
+import 'package:jmap_dart_client/jmap/mail/email/email.dart';
+
+class SaveEmailAsDraftsSuccess extends UIState {
+
+  final Email emailAsDrafts;
+
+  SaveEmailAsDraftsSuccess(this.emailAsDrafts);
+
+  @override
+  List<Object?> get props => [];
+}
+
+class SaveEmailAsDraftsFailure extends FeatureFailure {
+  final exception;
+
+  SaveEmailAsDraftsFailure(this.exception);
+
+  @override
+  List<Object> get props => [exception];
+}

lib/features/composer/domain/usecases/save_email_as_drafts_interactor.dart

@@ -0,0 +1,25 @@
+import 'package:core/core.dart';
+import 'package:dartz/dartz.dart';
+import 'package:jmap_dart_client/jmap/account_id.dart';
+import 'package:jmap_dart_client/jmap/mail/email/email.dart';
+import 'package:tmail_ui_user/features/composer/domain/state/save_email_as_drafts_state.dart';
+import 'package:tmail_ui_user/features/email/domain/repository/email_repository.dart';
+
+class SaveEmailAsDraftsInteractor {
+  final EmailRepository emailRepository;
+
+  SaveEmailAsDraftsInteractor(this.emailRepository);
+
+  Stream<Either<Failure, Success>> execute(AccountId accountId, Email email) async* {
+    try {
+      final result = await emailRepository.saveEmailAsDrafts(accountId, email);
+      if (result) {
+        yield Right<Failure, Success>(SaveEmailAsDraftsSuccess(email));
+      } else {
+        yield Left<Failure, Success>(SaveEmailAsDraftsFailure(result));
+      }
+    } catch (e) {
+      yield Left<Failure, Success>(SaveEmailAsDraftsFailure(e));
+    }
+  }
+}

lib/features/composer/presentation/composer_bindings.dart

@@ -2,6 +2,7 @@ import 'package:core/core.dart';
 import 'package:device_info_plus/device_info_plus.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:get/get.dart';
+import 'package:tmail_ui_user/features/base/base_bindings.dart';
 import 'package:tmail_ui_user/features/composer/data/datasource/autocomplete_datasource.dart';
 import 'package:tmail_ui_user/features/composer/data/datasource/composer_datasource.dart';
 import 'package:tmail_ui_user/features/composer/data/datasource/contact_datasource.dart';
@@ -20,62 +21,117 @@ import 'package:tmail_ui_user/features/composer/domain/repository/composer_repos
 import 'package:tmail_ui_user/features/composer/domain/repository/contact_repository.dart';
 import 'package:tmail_ui_user/features/composer/domain/usecases/get_autocomplete_with_device_contact_interactor.dart';
 import 'package:tmail_ui_user/features/composer/domain/usecases/get_device_contact_suggestions_interactor.dart';
+import 'package:tmail_ui_user/features/composer/domain/usecases/save_email_as_drafts_interactor.dart';
 import 'package:tmail_ui_user/features/composer/domain/usecases/upload_attachment_interactor.dart';
 import 'package:tmail_ui_user/features/composer/domain/usecases/save_email_addresses_interactor.dart';
 import 'package:tmail_ui_user/features/composer/domain/usecases/get_autocomplete_interactor.dart';
 import 'package:tmail_ui_user/features/composer/domain/usecases/send_email_interactor.dart';
 import 'package:tmail_ui_user/features/composer/domain/usecases/upload_mutiple_attachment_interactor.dart';
 import 'package:tmail_ui_user/features/composer/presentation/composer_controller.dart';
+import 'package:tmail_ui_user/features/email/data/datasource/email_datasource.dart';
+import 'package:tmail_ui_user/features/email/data/datasource/html_datasource.dart';
+import 'package:tmail_ui_user/features/email/data/datasource_impl/email_datasource_impl.dart';
+import 'package:tmail_ui_user/features/email/data/datasource_impl/html_datasource_impl.dart';
+import 'package:tmail_ui_user/features/email/data/local/html_analyzer.dart';
+import 'package:tmail_ui_user/features/email/data/network/email_api.dart';
+import 'package:tmail_ui_user/features/email/data/repository/email_repository_impl.dart';
+import 'package:tmail_ui_user/features/email/domain/repository/email_repository.dart';
 import 'package:tmail_ui_user/features/upload/domain/usecases/local_file_picker_interactor.dart';
 import 'package:uuid/uuid.dart';
 
-class ComposerBindings extends Bindings {
+class ComposerBindings extends BaseBindings {
   @override
   void dependencies() {
+    _bindingsUtils();
+    super.dependencies();
+  }
+
+  void _bindingsUtils() {
     Get.lazyPut(() => EmailAddressDatabaseManager(Get.find<DatabaseClient>()));
+    Get.lazyPut(() => Uuid());
+  }
+
+  @override
+  void bindingsDataSourceImpl() {
     Get.lazyPut(() => ComposerDataSourceImpl(Get.find<ComposerAPI>()));
     Get.lazyPut(() => LocalComposerDataSourceImpl(Get.find<EmailAddressDatabaseManager>()));
+    Get.lazyPut(() => AutoCompleteDataSourceImpl());
+    Get.lazyPut(() => LocalAutoCompleteDataSourceImpl(Get.find<EmailAddressDatabaseManager>()));
+    Get.lazyPut(() => ContactDataSourceImpl());
+    Get.lazyPut(() => HtmlDataSourceImpl(
+        Get.find<HtmlAnalyzer>(),
+        Get.find<DioClient>()
+    ));
+  }
+
+  @override
+  void bindingsDataSource() {
     Get.lazyPut<ComposerDataSource>(() => Get.find<ComposerDataSourceImpl>());
+    Get.lazyPut<AutoCompleteDataSource>(() => Get.find<AutoCompleteDataSourceImpl>());
+    Get.lazyPut<ContactDataSource>(() => Get.find<ContactDataSourceImpl>());
+    Get.lazyPut<EmailDataSource>(() => Get.find<EmailDataSourceImpl>());
+    Get.lazyPut<HtmlDataSource>(() => Get.find<HtmlDataSourceImpl>());
+  }
+
+  @override
+  void bindingsRepositoryImpl() {
     Get.lazyPut(() => ComposerRepositoryImpl({
       DataSourceType.network: Get.find<ComposerDataSource>(),
       DataSourceType.local: Get.find<LocalComposerDataSourceImpl>(),
     }));
-    Get.lazyPut<ComposerRepository>(() => Get.find<ComposerRepositoryImpl>());
-    Get.lazyPut(() => SaveEmailAddressesInteractor(Get.find<ComposerRepository>()));
-    Get.lazyPut(() => AutoCompleteDataSourceImpl());
-    Get.lazyPut<AutoCompleteDataSource>(() => Get.find<AutoCompleteDataSourceImpl>());
-    Get.lazyPut(() => LocalAutoCompleteDataSourceImpl(Get.find<EmailAddressDatabaseManager>()));
     Get.lazyPut(() => AutoCompleteRepositoryImpl({
       DataSourceType.network: Get.find<AutoCompleteDataSource>(),
       DataSourceType.local: Get.find<LocalAutoCompleteDataSourceImpl>(),
     }));
-    Get.lazyPut<AutoCompleteRepository>(() => Get.find<AutoCompleteRepositoryImpl>());
-    Get.lazyPut(() => GetAutoCompleteInteractor(Get.find<AutoCompleteRepository>()));
-    Get.lazyPut(() => Uuid());
-    Get.lazyPut(() => TextEditingController());
-    Get.lazyPut(() => ContactDataSourceImpl());
-    Get.lazyPut<ContactDataSource>(() => Get.find<ContactDataSourceImpl>());
     Get.lazyPut(() => ContactRepositoryImpl(Get.find<ContactDataSource>()));
+    Get.lazyPut(() => EmailDataSourceImpl(Get.find<EmailAPI>()));
+    Get.lazyPut(() => EmailRepositoryImpl(
+        Get.find<EmailDataSource>(),
+        Get.find<HtmlDataSource>()
+    ));
+  }
+
+  @override
+  void bindingsRepository() {
+    Get.lazyPut<ComposerRepository>(() => Get.find<ComposerRepositoryImpl>());
+    Get.lazyPut<AutoCompleteRepository>(() => Get.find<AutoCompleteRepositoryImpl>());
     Get.lazyPut<ContactRepository>(() => Get.find<ContactRepositoryImpl>());
+    Get.lazyPut<EmailRepository>(() => Get.find<EmailRepositoryImpl>());
+
+  }
+
+  @override
+  void bindingsInteractor() {
+    Get.lazyPut(() => SaveEmailAddressesInteractor(Get.find<ComposerRepository>()));
+    Get.lazyPut(() => GetAutoCompleteInteractor(Get.find<AutoCompleteRepository>()));
     Get.lazyPut(() => GetDeviceContactSuggestionsInteractor(Get.find<ContactRepository>()));
     Get.lazyPut(() => GetAutoCompleteWithDeviceContactInteractor(
         Get.find<GetAutoCompleteInteractor>(),
-        Get.find<GetDeviceContactSuggestionsInteractor>()));
+        Get.find<GetDeviceContactSuggestionsInteractor>()
+    ));
     Get.lazyPut(() => LocalFilePickerInteractor());
-    Get.lazyPut(() => UploadAttachmentInteractor(
-      Get.find<ComposerRepository>()));
+    Get.lazyPut(() => UploadAttachmentInteractor(Get.find<ComposerRepository>()));
     Get.lazyPut(() => UploadMultipleAttachmentInteractor(Get.find<UploadAttachmentInteractor>()));
+    Get.lazyPut(() => SendEmailInteractor(Get.find<EmailRepository>()));
+    Get.lazyPut(() => SaveEmailAsDraftsInteractor(Get.find<EmailRepository>()));
+  }
+
+  @override
+  void bindingsController() {
+    Get.lazyPut(() => TextEditingController());
     Get.lazyPut(() => ComposerController(
-      Get.find<SendEmailInteractor>(),
-      Get.find<SaveEmailAddressesInteractor>(),
-      Get.find<GetAutoCompleteInteractor>(),
-      Get.find<GetAutoCompleteWithDeviceContactInteractor>(),
-      Get.find<AppToast>(),
-      Get.find<ImagePaths>(),
-      Get.find<Uuid>(),
-      Get.find<DeviceInfoPlugin>(),
-      Get.find<TextEditingController>(),
-      Get.find<LocalFilePickerInteractor>(),
-      Get.find<UploadMultipleAttachmentInteractor>()));
+        Get.find<SendEmailInteractor>(),
+        Get.find<SaveEmailAddressesInteractor>(),
+        Get.find<GetAutoCompleteInteractor>(),
+        Get.find<GetAutoCompleteWithDeviceContactInteractor>(),
+        Get.find<AppToast>(),
+        Get.find<ImagePaths>(),
+        Get.find<Uuid>(),
+        Get.find<DeviceInfoPlugin>(),
+        Get.find<TextEditingController>(),
+        Get.find<LocalFilePickerInteractor>(),
+        Get.find<UploadMultipleAttachmentInteractor>(),
+        Get.find<SaveEmailAsDraftsInteractor>()
+    ));
   }
 }

lib/features/composer/presentation/composer_controller.dart

@@ -19,6 +19,7 @@ import 'package:jmap_dart_client/jmap/mail/email/email_address.dart';
 import 'package:jmap_dart_client/jmap/mail/email/email_body_part.dart';
 import 'package:jmap_dart_client/jmap/mail/email/email_body_value.dart';
 import 'package:jmap_dart_client/jmap/mail/email/individual_header_identifier.dart';
+import 'package:jmap_dart_client/jmap/mail/email/keyword_identifier.dart';
 import 'package:model/model.dart';
 import 'package:permission_handler/permission_handler.dart';
 import 'package:tmail_ui_user/features/base/base_controller.dart';
@@ -30,6 +31,7 @@ import 'package:tmail_ui_user/features/composer/domain/usecases/get_autocomplete
 import 'package:tmail_ui_user/features/composer/domain/usecases/get_autocomplete_with_device_contact_interactor.dart';
 import 'package:tmail_ui_user/features/composer/domain/state/upload_attachment_state.dart';
 import 'package:tmail_ui_user/features/composer/domain/usecases/save_email_addresses_interactor.dart';
+import 'package:tmail_ui_user/features/composer/domain/usecases/save_email_as_drafts_interactor.dart';
 import 'package:tmail_ui_user/features/composer/domain/usecases/send_email_interactor.dart';
 import 'package:tmail_ui_user/features/composer/domain/usecases/upload_mutiple_attachment_interactor.dart';
 import 'package:tmail_ui_user/features/composer/presentation/extensions/email_action_type_extension.dart';
@@ -62,6 +64,7 @@ class ComposerController extends BaseController {
   final LocalFilePickerInteractor _localFilePickerInteractor;
   final UploadMultipleAttachmentInteractor _uploadMultipleAttachmentInteractor;
   final DeviceInfoPlugin _deviceInfoPlugin;
+  final SaveEmailAsDraftsInteractor _saveEmailAsDraftsInteractor;
 
   List<EmailAddress> listToEmailAddress = [];
   List<EmailAddress> listCcEmailAddress = [];
@@ -96,6 +99,7 @@ class ComposerController extends BaseController {
     this.subjectEmailInputController,
     this._localFilePickerInteractor,
     this._uploadMultipleAttachmentInteractor,
+    this._saveEmailAsDraftsInteractor,
   );
 
   @override
@@ -272,9 +276,10 @@ class ComposerController extends BaseController {
     return emailQuotedHtml;
   }
 
-  Future<Email> generateEmail() async {
+  Future<Email> generateEmail({bool asDrafts = false}) async {
     final generateEmailId = EmailId(Id(_uuid.v1()));
     final outboxMailboxId = composerArguments.value!.mapMailboxId[PresentationMailbox.roleOutbox];
+    final draftMailboxId = composerArguments.value!.mapMailboxId[PresentationMailbox.roleDrafts];
     final listFromEmailAddress = {
       EmailAddress(null, composerArguments.value!.userProfile.email)
     };
@@ -286,11 +291,12 @@ class ComposerController extends BaseController {
 
     return Email(
       generateEmailId,
-      mailboxIds: {outboxMailboxId!: true},
+      mailboxIds: asDrafts ? {draftMailboxId!: true} : {outboxMailboxId!: true},
       from: listFromEmailAddress,
       to: listToEmailAddress.toSet(),
       cc: listCcEmailAddress.toSet(),
       bcc: listBccEmailAddress.toSet(),
+      keywords: asDrafts ? {KeyWordIdentifier.emailDraft : true} : null,
       subject: _subjectEmail,
       htmlBody: {
         EmailBodyPart(
@@ -450,6 +456,15 @@ class ComposerController extends BaseController {
     attachments.removeWhere((attachment) => attachment == attachmentRemoved);
   }
 
+  void saveEmailAsDrafts() async {
+    _saveEmailAddress();
+
+    final newEmail = await generateEmail(asDrafts: true);
+    final accountId = composerArguments.value!.session.accounts.keys.first;
+
+    mailboxDashBoardController.consumeState(_saveEmailAsDraftsInteractor.execute(accountId, newEmail));
+  }
+
   void backToEmailViewAction() {
     popBack();
   }

lib/features/composer/presentation/composer_view.dart

@@ -22,28 +22,35 @@ class ComposerView extends GetWidget<ComposerController> {
 
   @override
   Widget build(BuildContext context) {
-    return GestureDetector(
-      onTap: () {
+    return WillPopScope(
+      onWillPop: () async {
         controller.htmlEditorApi?.unfocus(context);
+        controller.saveEmailAsDrafts();
+        return true;
       },
-      child: Scaffold(
-        backgroundColor: AppColor.primaryLightColor,
-        body: SafeArea(
-          right: responsiveUtils.isMobileDevice(context) && responsiveUtils.isLandscape(context),
-          left: responsiveUtils.isMobileDevice(context) && responsiveUtils.isLandscape(context),
-          child: Container(
-            margin: EdgeInsets.zero,
-            alignment: Alignment.topCenter,
-            child: Column(
-              mainAxisAlignment: MainAxisAlignment.center,
-              crossAxisAlignment: CrossAxisAlignment.start,
-              mainAxisSize: MainAxisSize.max,
-              children: [
-                _buildTopBar(context),
-                Expanded(child: _buildBodyComposer(context))
-            ])
-          )
-        ),
+      child: GestureDetector(
+        onTap: () {
+          controller.htmlEditorApi?.unfocus(context);
+        },
+        child: Scaffold(
+          backgroundColor: AppColor.primaryLightColor,
+          body: SafeArea(
+            right: responsiveUtils.isMobileDevice(context) && responsiveUtils.isLandscape(context),
+            left: responsiveUtils.isMobileDevice(context) && responsiveUtils.isLandscape(context),
+            child: Container(
+              margin: EdgeInsets.zero,
+              alignment: Alignment.topCenter,
+              child: Column(
+                mainAxisAlignment: MainAxisAlignment.center,
+                crossAxisAlignment: CrossAxisAlignment.start,
+                mainAxisSize: MainAxisSize.max,
+                children: [
+                  _buildTopBar(context),
+                  Expanded(child: _buildBodyComposer(context))
+              ])
+            )
+          ),
+        )
       )
     );
   }
@@ -54,7 +61,10 @@ class ComposerView extends GetWidget<ComposerController> {
       child: Obx(() => (TopBarComposerWidgetBuilder(imagePaths, controller.isEnableEmailSendButton.value)
           ..addSendEmailActionClick(() => controller.sendEmailAction(context))
           ..addAttachFileActionClick(() => controller.openPickAttachmentMenu(context, _pickAttachmentsActionTiles(context)))
-          ..addBackActionClick(() => controller.backToEmailViewAction()))
+          ..addBackActionClick(() {
+            controller.saveEmailAsDrafts();
+            controller.backToEmailViewAction();
+          }))
         .build()),
     );
   }

lib/features/email/data/datasource/email_datasource.dart

@@ -34,4 +34,6 @@ abstract class EmailDataSource {
     List<Email> emails,
     MarkStarAction markStarAction
   );
+
+  Future<bool> saveEmailAsDrafts(AccountId accountId, Email email);
 }

lib/features/email/data/datasource_impl/email_datasource_impl.dart

@@ -86,4 +86,13 @@ class EmailDataSourceImpl extends EmailDataSource {
       throw error;
     });
   }
+
+  @override
+  Future<bool> saveEmailAsDrafts(AccountId accountId, Email email) {
+    return Future.sync(() async {
+      return await emailAPI.saveEmailAsDrafts(accountId, email);
+    }).catchError((error) {
+      throw error;
+    });
+  }
 }

lib/features/email/data/network/email_api.dart

@@ -253,4 +253,28 @@ class EmailAPI {
       throw error;
     });
   }
+
+  Future<bool> saveEmailAsDrafts(AccountId accountId, Email email) async {
+    final setEmailMethod = SetEmailMethod(accountId)
+      ..addCreate(email.id.id, email);
+
+    final requestBuilder = JmapRequestBuilder(_httpClient, ProcessingInvocation());
+
+    final setEmailInvocation = requestBuilder.invocation(setEmailMethod);
+
+    final response = await (requestBuilder
+        ..usings(setEmailMethod.requiredCapabilities))
+      .build()
+      .execute();
+
+    final setEmailResponse = response.parse<SetEmailResponse>(
+        setEmailInvocation.methodCallId,
+        SetEmailResponse.deserialize);
+
+    return Future.sync(() async {
+     return setEmailResponse?.created?[email.id.id] != null;
+    }).catchError((error) {
+      throw error;
+    });
+  }
 }

lib/features/email/data/repository/email_repository_impl.dart

@@ -88,4 +88,9 @@ class EmailRepositoryImpl extends EmailRepository {
       })
       .toList());
   }
+
+  @override
+  Future<bool> saveEmailAsDrafts(AccountId accountId, Email email) {
+    return emailDataSource.saveEmailAsDrafts(accountId, email);
+  }
 }

lib/features/email/domain/repository/email_repository.dart

@@ -41,4 +41,6 @@ abstract class EmailRepository {
     String? baseUrlDownload,
     AccountId accountId
   );
+
+  Future<bool> saveEmailAsDrafts(AccountId accountId, Email email);
 }

lib/features/email/presentation/email_bindings.dart

@@ -1,7 +1,6 @@
 import 'package:core/core.dart';
 import 'package:get/get.dart';
 import 'package:shared_preferences/shared_preferences.dart';
-import 'package:tmail_ui_user/features/composer/domain/usecases/send_email_interactor.dart';
 import 'package:tmail_ui_user/features/email/data/datasource/email_datasource.dart';
 import 'package:tmail_ui_user/features/email/data/datasource/html_datasource.dart';
 import 'package:tmail_ui_user/features/email/data/datasource_impl/email_datasource_impl.dart';
@@ -33,7 +32,6 @@ class EmailBindings extends Bindings {
       Get.find<EmailDataSource>(),
       Get.find<HtmlDataSource>()));
     Get.lazyPut<EmailRepository>(() => Get.find<EmailRepositoryImpl>());
-    Get.put(SendEmailInteractor(Get.find<EmailRepository>()));
     Get.lazyPut(() => GetEmailContentInteractor(
       Get.find<EmailRepository>()));
     Get.lazyPut(() => MarkAsEmailReadInteractor(Get.find<EmailRepository>()));

lib/features/mailbox_dashboard/presentation/mailbox_dashboard_controller.dart

@@ -7,6 +7,7 @@ import 'package:jmap_dart_client/jmap/core/session/session.dart';
 import 'package:jmap_dart_client/jmap/mail/mailbox/mailbox.dart';
 import 'package:model/model.dart';
 import 'package:tmail_ui_user/features/base/base_controller.dart';
+import 'package:tmail_ui_user/features/composer/domain/state/save_email_as_drafts_state.dart';
 import 'package:tmail_ui_user/features/composer/domain/state/send_email_state.dart';
 import 'package:tmail_ui_user/features/email/presentation/email_controller.dart';
 import 'package:tmail_ui_user/features/mailbox_dashboard/domain/state/get_user_profile_state.dart';
@@ -93,6 +94,8 @@ class MailboxDashBoardController extends BaseController {
                 icon: _imagePaths.icSendToast);
           }
           clearState();
+        } else if (success is SaveEmailAsDraftsSuccess) {
+          _saveEmailAsDraftsSuccess(success);
         }
       }
     );
@@ -190,6 +193,17 @@ class MailboxDashBoardController extends BaseController {
     FocusManager.instance.primaryFocus?.unfocus();
   }
 
+  void _saveEmailAsDraftsSuccess(SaveEmailAsDraftsSuccess success) {
+    if (Get.context != null && Get.overlayContext != null) {
+      _appToast.showToastWithAction(
+          Get.overlayContext!,
+          AppLocalizations.of(Get.context!).drafts_saved,
+          AppLocalizations.of(Get.context!).discard,
+          () {}
+      );
+    }
+  }
+
   @override
   void onClose() {
     searchInputController.dispose();

lib/main/localizations/app_localizations.dart

@@ -649,4 +649,18 @@ class AppLocalizations {
         name: 'new_mailbox_is_created'
     );
   }
+
+  String get drafts_saved {
+    return Intl.message(
+      'Draft saved',
+      name: 'drafts_saved',
+    );
+  }
+
+  String get discard {
+    return Intl.message(
+        'Discard',
+        name: 'discard'
+    );
+  }
 }