Alarm attachments

Step.Model/DatabaseModels/AlarmFileModel.cs

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+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Step.Model.DatabaseModels
+{
+    [Table("alarm_file")]
+    public class AlarmFileModel
+    {
+        [Key]
+        [Column("id")]
+        public int AttachmentId { get; set; }
+
+        [Column("file_name")]
+        public string FileName { get; set; }
+
+        [Column("local_file_name")]
+        public string LocalFileName { get; set; }
+
+        [Column("alarm_desc_id")]
+        public int AlarmDescriptionId { get; set; }
+
+        [ForeignKey("AlarmDescriptionId")]
+        public virtual AlarmDescriptionsModel AlarmDescription { get; set; }
+
+        [Column("user_id")]
+        public int? UserId { get; set; }
+
+        [ForeignKey("UserId")]
+        public UserModel User { get; set; }
+    }
+}