EliteBGS/BGS/CombatZone.cs

using System;
using System.Linq;

namespace EliteBGS.BGS {
    public class CombatZone : LogEntry, IComparable {
        public string Type { get; set; }
        public string Grade { get; set; }
        public int Amount { get; set; }
        public DateTime Completed { get; set; } = DateTime.UtcNow;

        public override string CompletedAt {
            get {
                return Completed.ToString("dd.MM.yyyy HH:mm UTC");
            }
        }

        public int CompareTo(object obj) {
            if (obj.GetType() != typeof(CombatZone)) {
                return -1;
            }

            var b = obj as CombatZone;
            if (b.Faction != Faction || b.System != System) {
                return -1; // System and faction don't match
            }

            if (b.Type != b.Type || b.Grade != b.Grade) {
                return -1; // grade and type don't match
            }

            return 0;
        }

        public override string ToString() {
            return string.Format("Won {0} x {1} {2} Combat Zone(s) for {3}",
                Amount, Grade, Type, Faction);
        }
    }
}