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

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

namespace Data.SeaHavenIndustries
{
    public class Contacts : FullAuditEntity
    {
        public string? Title { get; set; }
        public string? Owner { get; set; }
        public string? FirstName { get; set; }
        public string? MiddleName { get; set; }
        public string? LastName { get; set; }
        public string? ContactType { get; set; }
        public string? PhoneNumber { get; set; }
        public string? Email { get; set; }

        // Address fields
        public string? Address1 { get; set; }
        public string? Address2 { get; set; }
        public string? City { get; set; }
        public string? State { get; set; }
        public string? Zip { get; set; }

        // Social Media
        public string? FacebookUrl { get; set; }
        public string? LinkedInUrl { get; set; }
        public string? TwitterUrl { get; set; }

        // Foreign Keys
        public int? LocationId { get; set; }
        public int? AccountId { get; set; }

        // SH-138: dense zero-based display order for site-managed contacts
        public int? SiteContactOrder { get; set; }

        // Navigation Properties
        [ForeignKey(nameof(LocationId))]
        public Locations? Location { get; set; }

        [ForeignKey(nameof(AccountId))]
        public Accounts? Account { get; set; }

        public ICollection<WorkOrderContacts>? WorkOrderContacts { get; set; }

        // Computed property for full name
        [NotMapped]
        public string? FullName => $"{FirstName} {MiddleName} {LastName}".Trim();
    }
}