IBDev-IBBoard.WarFoundry.API: API/Objects/Requirement/RequiresAtLeastNUnitsRequirement.cs comparison

Re #345: Add failure message to requirements * Implement message creation for "at least" requirement

comparison

equal deleted inserted replaced

-:dbe7ccb1e557
+:2a9c046be55a
 //
 // The file and the library/program it is in are licensed and distributed, without warranty, under the GNU Affero GPL license, either version 3 of the License or (at your option) any later version. Please see COPYING for more information and the full license.
 using System;
 using System.Collections.Generic;
 using IBBoard.WarFoundry.API.Objects;
+using System.Text;
 namespace IBBoard.WarFoundry.API.Objects.Requirement
 {
 	/// <summary>
 	/// A requirement where a WarFoundryObject requires at least N units of one or more unit types before any number of that object can be taken in an army.
 			return isValid;
 		}
 		protected override string GetValidationFailedMessage (Army army)
 		{
-			string message = "";
+			StringBuilder sb = new StringBuilder();
-			return message;
+			sb.Append("Army must contain: ");
+			sb.Append(String.Join("; ", GetFailedRequirements(army).ToArray()));
+			sb.Append(".");
+			return sb.ToString();
+		}
+		private List<string> GetFailedRequirements(Army army)
+		{
+			List<string> failures = new List<string>();
+			foreach (UnitCountRequirementData requirement in requiredTypes)
+			{
+				int unitCount = army.GetUnitTypeCount(requirement.UnitType);
+				if (unitCount < requirement.Count)
+				{
+					failures.Add(requirement.Count + " × " + requirement.UnitType.Name + " (have " + unitCount + ")");
+				}
+			}
+			return failures;
 		}
 	}
 }

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