初步完成邮件功能

DMS.Core/Interfaces/Repositories/IEmailAccountRepository.cs

@@ -0,0 +1,20 @@
+using DMS.Core.Models;
+
+namespace DMS.Core.Interfaces.Repositories
+{
+    /// <summary>
+    /// 邮件账户仓储接口
+    /// </summary>
+    public interface IEmailAccountRepository : IBaseRepository<EmailAccount>
+    {
+        /// <summary>
+        /// 获取默认邮件账户
+        /// </summary>
+        Task<EmailAccount> GetDefaultAccountAsync();
+
+        /// <summary>
+        /// 获取所有启用的邮件账户
+        /// </summary>
+        Task<List<EmailAccount>> GetActiveAccountsAsync();
+    }
+}

DMS.Core/Interfaces/Repositories/IEmailLogRepository.cs

@@ -0,0 +1,20 @@
+using DMS.Core.Models;
+
+namespace DMS.Core.Interfaces.Repositories
+{
+    /// <summary>
+    /// 邮件日志仓储接口
+    /// </summary>
+    public interface IEmailLogRepository : IBaseRepository<EmailLog>
+    {
+        /// <summary>
+        /// 根据邮件消息ID获取日志
+        /// </summary>
+        Task<List<EmailLog>> GetByEmailMessageIdAsync(int emailMessageId);
+
+        /// <summary>
+        /// 根据日期范围获取日志
+        /// </summary>
+        Task<List<EmailLog>> GetByDateRangeAsync(DateTime startDate, DateTime endDate);
+    }
+}

DMS.Core/Interfaces/Repositories/IEmailMessageRepository.cs

@@ -0,0 +1,20 @@
+using DMS.Core.Models;
+
+namespace DMS.Core.Interfaces.Repositories
+{
+    /// <summary>
+    /// 邮件消息仓储接口
+    /// </summary>
+    public interface IEmailMessageRepository : IBaseRepository<EmailMessage>
+    {
+        /// <summary>
+        /// 根据状态获取邮件消息
+        /// </summary>
+        Task<List<EmailMessage>> GetByStatusAsync(EmailSendStatus status);
+
+        /// <summary>
+        /// 获取指定时间范围内的邮件消息
+        /// </summary>
+        Task<List<EmailMessage>> GetByDateRangeAsync(DateTime startDate, DateTime endDate);
+    }
+}

DMS.Core/Interfaces/Repositories/IEmailTemplateRepository.cs

@@ -0,0 +1,20 @@
+using DMS.Core.Models;
+
+namespace DMS.Core.Interfaces.Repositories
+{
+    /// <summary>
+    /// 邮件模板仓储接口
+    /// </summary>
+    public interface IEmailTemplateRepository : IBaseRepository<EmailTemplate>
+    {
+        /// <summary>
+        /// 根据代码获取邮件模板
+        /// </summary>
+        Task<EmailTemplate> GetByCodeAsync(string code);
+
+        /// <summary>
+        /// 获取所有启用的邮件模板
+        /// </summary>
+        Task<List<EmailTemplate>> GetActiveTemplatesAsync();
+    }
+}

DMS.Core/Interfaces/Services/IEmailService.cs

@@ -0,0 +1,33 @@
+using DMS.Core.Models;
+
+namespace DMS.Core.Interfaces.Services
+{
+    /// <summary>
+    /// 邮件服务接口
+    /// </summary>
+    public interface IEmailService
+    {
+        /// <summary>
+        /// 异步发送邮件
+        /// </summary>
+        /// <param name="message">邮件消息</param>
+        /// <param name="account">邮件账户</param>
+        /// <returns>发送是否成功</returns>
+        Task<bool> SendEmailAsync(EmailMessage message, EmailAccount account);
+
+        /// <summary>
+        /// 异步接收邮件
+        /// </summary>
+        /// <param name="account">邮件账户</param>
+        /// <param name="count">接收邮件数量</param>
+        /// <returns>接收到的邮件列表</returns>
+        Task<List<EmailMessage>> ReceiveEmailsAsync(EmailAccount account, int count = 10);
+
+        /// <summary>
+        /// 测试邮件账户连接
+        /// </summary>
+        /// <param name="account">邮件账户</param>
+        /// <returns>连接是否成功</returns>
+        Task<bool> TestConnectionAsync(EmailAccount account);
+    }
+}