SHERPA/SHERPA.BBM/DatabaseModels/ResurcesModel.cs

using System;
using System.Data.Entity;
using System.Linq;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;

namespace SHERPA.BBM.DatabaseModels
{
    /// <summary>
    /// Tabella delle Risorse
    /// </summary>
    [Table("Resources")]
    public class ResourcesModel
    {
        #region Public Properties

        [Column("DocId", Order = 1)]
        public int DocId { get; set; }

        [ForeignKey("DocId")]
        public virtual DocsModel Document { get; set; }

        [Column("FinaPrice", Order = 8)]
        public double FinalPrice { get; set; }

        [ForeignKey("ItemId")]
        public virtual ItemsModel Item { get; set; }

        [Column("ItemId", Order = 3)]
        public int ItemId { get; set; }

        [Column("Ordinal", Order = 2)]
        public int Ordinal { get; set; } = 0;

        [NotMapped]
        [DisplayFormat(DataFormatString = "{0:P2}", ApplyFormatInEditMode = true)]
        [Range(0, 1, ErrorMessage = "Percentuale fino a 1=100%")]
        public double PercReduction
        {
            get
            {
                double answ = 0;
                if (StdPrice > 0)
                {
                    answ = (StdPrice - FinalPrice) / StdPrice;
                }
                return Math.Round(answ, 4);
            }
            set
            {
                if (value > 0 && value < 1)
                {
                    FinalPrice = StdPrice * (1 - value);
                }
            }
        }

        [NotMapped]
        public double PriceReduction
        {
            get
            {
                double answ = 0;
                if (StdPrice > 0)
                {
                    answ = (StdPrice - FinalPrice);
                }
                return answ;
            }
            set
            {
                if (value > 0 && value < StdPrice)
                {
                    var fPrice = StdPrice - value;
                    FinalPrice = fPrice > 0 ? fPrice : 0;
                }
            }
        }

        [Column("QtyOff", Order = 5)]
        public double QtyOff { get; set; } = 1;

        [Column("QtyPrev", Order = 4)]
        public double QtyPrev { get; set; } = 1;

        [Key, Column("ResourceId", Order = 0), DatabaseGenerated(DatabaseGeneratedOption.Identity)]
        public int ResourceId { get; set; }

        public double StdPrice
        {
            get
            {
                return UnitPriceOff * QtyOff;
            }
        }

        [Column("UnitPriceOff", Order = 6)]
        public double UnitPriceOff { get; set; }

        #endregion Public Properties
    }
}