manager-service/ManagerService/Data/AppConfigurationLink.cs

using ManagerService.DTOs;
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;

namespace ManagerService.Data
{
    /// <summary>
    /// Represents the association between an application instance (e.g., mobile or tablet app)
    /// and a specific configuration. This link defines which configurations are used by which 
    /// application instances, optionally with an order or active status. 
    /// Useful for managing configuration assignment and display logic per app type.
    /// </summary>
    public class AppConfigurationLink
    {
        [Key]
        public string Id { get; set; }

        [Required]
        public string ConfigurationId { get; set; }

        [Required]
        public string ApplicationInstanceId { get; set; }

        public int? Order { get; set; } 

        public bool IsActive { get; set; } = true; 

        public int? WeightMasonryGrid { get; set; }

        [ForeignKey(nameof(ConfigurationId))]
        public Configuration Configuration { get; set; }

        [ForeignKey(nameof(ApplicationInstanceId))]
        public ApplicationInstance ApplicationInstance { get; set; }

        public AppConfigurationLinkDTO ToDTO()
        {
            return new AppConfigurationLinkDTO()
            {
                Id = Id,
                ConfigurationId = ConfigurationId,
                ApplicationInstanceId = ApplicationInstanceId,
                Order = Order,
                IsActive = IsActive,
                WeightMasonryGrid = WeightMasonryGrid
            };
        }

        public AppConfigurationLink FromDTO(AppConfigurationLinkDTO appConfigurationLinkDTO)
        {
            return new AppConfigurationLink()
            {
                Id = appConfigurationLinkDTO.Id,
                ConfigurationId = appConfigurationLinkDTO.ConfigurationId,
                ApplicationInstanceId = appConfigurationLinkDTO.ApplicationInstanceId,
                Order = appConfigurationLinkDTO.Order,
                IsActive = appConfigurationLinkDTO.IsActive,
                WeightMasonryGrid = appConfigurationLinkDTO?.WeightMasonryGrid,
            };
        }

    }
}