初始化

FutureMailAPI/Models/TimeCapsule.cs

@@ -0,0 +1,53 @@
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace FutureMailAPI.Models
+{
+    public class TimeCapsule
+    {
+        [Key]
+        public int Id { get; set; }
+        
+        [Required]
+        public int UserId { get; set; }
+        
+        [Required]
+        public int SentMailId { get; set; }
+        
+        // 胶囊位置信息(X, Y, Z坐标)
+        public double PositionX { get; set; }
+        public double PositionY { get; set; }
+        public double PositionZ { get; set; }
+        
+        // 胶囊大小
+        public double Size { get; set; } = 1.0;
+        
+        // 胶囊颜色
+        [MaxLength(20)]
+        public string? Color { get; set; }
+        
+        // 胶囊透明度
+        public double Opacity { get; set; } = 1.0;
+        
+        // 胶囊旋转角度
+        public double Rotation { get; set; } = 0;
+        
+        // 胶囊状态: 0-未激活, 1-漂浮中, 2-即将到达, 3-已开启
+        [Required]
+        public int Status { get; set; } = 0;
+        
+        // 胶囊类型: 0-普通, 1-特殊, 2-限时
+        [Required]
+        public int Type { get; set; } = 0;
+        
+        // 创建时间
+        public DateTime CreatedAt { get; set; } = DateTime.UtcNow;
+        
+        // 导航属性
+        [ForeignKey("UserId")]
+        public virtual User User { get; set; } = null!;
+        
+        [ForeignKey("SentMailId")]
+        public virtual SentMail SentMail { get; set; } = null!;
+    }
+}