shoc-backend/Data.SeaHavenIndustries/Models/VendorCompletionDocument.cs

using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;

namespace Data.SeaHavenIndustries
{
    public class VendorCompletionDocument : FullAuditEntity
    {
        public int VendorId { get; set; }
        [ForeignKey(nameof(VendorId))]
        public Vendor? Vendor { get; set; }

        public int DispatchId { get; set; }
        [ForeignKey(nameof(DispatchId))]
        public Dispatch? Dispatch { get; set; }

        public int WorkOrderId { get; set; }
        [ForeignKey(nameof(WorkOrderId))]
        public WorkOrder? WorkOrder { get; set; }

        public string OriginalFileName { get; set; } = "";
        public string StoredFileName { get; set; } = "";
        public string ContentType { get; set; } = "";
        public long SizeBytes { get; set; }
        public string ScanStatus { get; set; } = "Pending";
        public string ReviewStatus { get; set; } = "Processing";
        public string? RejectionReason { get; set; }
        public int Version { get; set; } = 1;
        public int? ReplacesDocumentId { get; set; }
        public DateTime? ScannedAt { get; set; }
        public DateTime? ReviewedAt { get; set; }

        // SH-101: document purpose. Default "Completion" preserves legacy behavior;
        // "UpliftEvidence" is immutable supporting evidence for an uplift request.
        [Required]
        [MaxLength(30)]
        public string Purpose { get; set; } = "Completion";
    }
}