PIbd-23_Abazov_A.A._ConstructionCompany/ConstructionCompany/ConstructionCompanyPsqlImplement/Models/Order.cs

using ConstructionCompanyContracts.BindingModels;
using ConstructionCompanyContracts.ViewModels;
using ConstructionCompanyDataModels.Enums;
using ConstructionCompanyDataModels.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConstructionCompanyPsqlImplement.Models
{
    public class Order : IOrderModel
    {
        public int Id { get; private set; }
        public string Description { get; private set; } = string.Empty;
        public string Adress { get; private set; } = string.Empty;
        public string CustomerNumber { get; private set; } = string.Empty;
        public double Price { get; private set; }
        public Dictionary<int, IOrderModel> OrderEmolyees { get; private set; } = new Dictionary<int, IOrderModel>();
        public Dictionary<int, (IMaterialModel, int)> OrderMaterials { get; private set; } = new Dictionary<int, (IMaterialModel, int)>();

        public OrderStatus Status { get; private set; }

        public DateTime DateBegin { get; private set; }

        public DateTime? DateEnd { get; private set; }

        public static Order? Create(OrderBindingModel? model)
        {
            if (model == null)
            {
                return null;
            }
            return new Order()
            {
                Id = model.Id,
                Description = model.Description,
                Adress = model.Adress,
                CustomerNumber = model.CustomerNumber,
                Price = model.Price,
                Status = model.Status,
                DateBegin = model.DateBegin,
                DateEnd = model.DateEnd,
            };
        }
        public void Update(OrderBindingModel? model)
        {
            if (model == null)
            {
                return;
            }
            Status = model.Status;
            if (model.DateEnd.HasValue) DateEnd = model.DateEnd;
        }
        public static string CreateCommand(OrderBindingModel? model)
        {
            if (model == null)
            {
                return "";
            }
            return $"INSERT INTO \"order\"(description, adress, price, status, " +
                $"customer_number, date_begin, date_end) VALUES(\'{model.Description}\', \'{model.Adress}\', {model.Price}, " +
                $"\'{model.Status}\', \'{model.CustomerNumber}\', \'{model.DateBegin}\', " +
                $"{(model.DateEnd.HasValue ? $"\'{model.DateEnd}\'" : "null")});";
        }
        public static string UpdateCommand(OrderBindingModel? model)
        {
            if (model == null)
            {
                return "";
            }
            return $"UPDATE \"order\" SET status = \'{model.Status}\', date_end = {(model.DateEnd.HasValue ? $"\'{model.DateEnd}\'" : "null")} " +
                $"WHERE id = {model.Id}";

        }
        public static string DeleteCommand(OrderBindingModel? model)
        {
            if (model == null)
            {
                return "";
            }
            return $"DELETE FROM \"order\" WHERE id = {model.Id}";
        }
        public OrderViewModel GetViewModel => new()
        {
            Id = Id,
            Description = Description,
            Adress = Adress,
            CustomerNumber = CustomerNumber,
            Price = Price,
            Status = Status,
            DateBegin = DateBegin,
            DateEnd = DateEnd
        };

    }
}