Emaıl templates.

Wino.Core.Domain/Entities/Mail/EmailTemplate.cs

@@ -0,0 +1,16 @@
+using System;
+using SQLite;
+
+namespace Wino.Core.Domain.Entities.Mail;
+
+public class EmailTemplate
+{
+    [PrimaryKey]
+    public Guid Id { get; set; }
+
+    public string Name { get; set; } = string.Empty;
+
+    public string Description { get; set; } = string.Empty;
+
+    public string HtmlContent { get; set; } = string.Empty;
+}

Wino.Core.Domain/Enums/WinoPage.cs

@@ -35,6 +35,8 @@ public enum WinoPage
     EventDetailsPage,
     CalendarEventComposePage,
     SignatureAndEncryptionPage,
+    EmailTemplatesPage,
+    CreateEmailTemplatePage,
     StoragePage,
     WelcomePageV2,
     WelcomeHostPage,

Wino.Core.Domain/Interfaces/IEmailTemplateService.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using Wino.Core.Domain.Entities.Mail;
+
+namespace Wino.Core.Domain.Interfaces;
+
+public interface IEmailTemplateService
+{
+    Task<List<EmailTemplate>> GetEmailTemplatesAsync();
+    Task<EmailTemplate> GetEmailTemplateAsync(Guid templateId);
+    Task<EmailTemplate> CreateEmailTemplateAsync(EmailTemplate template);
+    Task<EmailTemplate> UpdateEmailTemplateAsync(EmailTemplate template);
+    Task<EmailTemplate> DeleteEmailTemplateAsync(EmailTemplate template);
+}

Wino.Core.Domain/Translations/en_US/resources.json

@@ -254,6 +254,8 @@
     "DialogMessage_DeleteAccountConfirmationTitle": "All data associated with this account will be deleted from disk permanently.",
     "DialogMessage_DeleteRecurringSeriesMessage": "This will delete all events in the series. Do you want to continue?",
     "DialogMessage_DeleteRecurringSeriesTitle": "Delete Recurring Series",
+    "DialogMessage_DeleteEmailTemplateConfirmationMessage": "Delete template \"{0}\"?",
+    "DialogMessage_DeleteEmailTemplateConfirmationTitle": "Delete Email Template",
     "DialogMessage_DiscardDraftConfirmationMessage": "This draft will be discarded. Do you want to continue?",
     "DialogMessage_DiscardDraftConfirmationTitle": "Discard Draft",
     "DialogMessage_EmptySubjectConfirmation": "Missing Subject",
@@ -849,6 +851,19 @@
     "SettingsShowSenderPictures_Title": "Show Sender Avatars",
     "SettingsEnableGravatarAvatars_Title": "Gravatar",
     "SettingsEnableGravatarAvatars_Description": "Use gravatar (if available) as sender picture",
+    "SettingsEmailTemplates_Title": "Email Templates",
+    "SettingsEmailTemplates_Description": "Manage e-mail templates",
+    "SettingsEmailTemplates_CreatePageTitle": "New template",
+    "SettingsEmailTemplates_EditPageTitle": "Edit template",
+    "SettingsEmailTemplates_NewTemplateTitle": "New template",
+    "SettingsEmailTemplates_NewTemplateDescription": "Create a new e-mail template",
+    "SettingsEmailTemplates_NameTitle": "Name",
+    "SettingsEmailTemplates_NamePlaceholder": "Template name",
+    "SettingsEmailTemplates_DescriptionTitle": "Description",
+    "SettingsEmailTemplates_DescriptionPlaceholder": "Optional description",
+    "SettingsEmailTemplates_ContentTitle": "Template content",
+    "SettingsEmailTemplates_ContentDescription": "Edit the HTML content for this template.",
+    "SettingsEmailTemplates_NameRequired": "Template name is required.",
     "SettingsEnableFavicons_Title": "Domain icons (Favicons)",
     "SettingsEnableFavicons_Description": "Use domain favicons (if available) as sender picture",
     "SettingsMailList_ClearAvatarsCache_Button": "Clear cached avatars",
@@ -1006,6 +1021,7 @@
     "Composer_CertificateExpires": "Expires on: ",
     "Composer_SmimeSignature": "S/MIME Signature",
     "Composer_SmimeEncryption": "S/MIME Encryption",
+    "Composer_EmailTemplatesPlaceholder": "E-mail templates",
     "SettingsAppPreferences_EmailSyncInterval_Title": "Email sync interval",
     "SettingsAppPreferences_EmailSyncInterval_Description": "Automatic email synchronization interval (minutes). This setting will be applied only after restarting Wino Mail.",
     "ContactsPage_Title": "Contacts",