Files
elwig/Elwig/Helpers/Billing/ContractSelection.cs

48 lines
1.6 KiB
C#

using Elwig.Models.Entities;
using System;
using System.Collections.Generic;
using System.Linq;
namespace Elwig.Helpers.Billing {
public class ContractSelection : IComparable<ContractSelection> {
public WineVar? Variety { get; }
public WineAttr? Attribute { get; }
public string Listing => Variety != null || Attribute != null ? $"{Variety?.SortId}{Attribute?.AttrId}" : "";
public ContractSelection(WineVar? var, WineAttr? attr) {
Variety = var;
Attribute = attr;
}
public ContractSelection(WineVar var) {
Variety = var;
}
public ContractSelection(WineAttr attr) {
Attribute = attr;
}
public override string ToString() {
return (Variety != null ? $"{Variety.Name}" : "") + (Attribute != null ? $" {Attribute.Name}" : "");
}
public static List<ContractSelection> GetContractsForYear(AppDbContext context, int year) {
return context.DeliveryParts
.Where(d => d.Year == year)
.Select(d => new ContractSelection(d.Variant, d.Attribute))
.Distinct()
.ToList()
.Union(context.WineVarieties.Select(v => new ContractSelection(v)))
.ToList();
}
public int CompareTo(ContractSelection? other) {
//MessageBox.Show($"{Listing} -- {other.Listing} : {Listing.CompareTo(other.Listing)}");
return other != null ?
Listing.CompareTo(other.Listing) :
throw new ArgumentException();
}
}
}