Files
OpenNest/OpenNest.Engine/Jobs/NestJobValidator.cs
T

50 lines
2.5 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
namespace OpenNest;
/// <summary>Basic input and candidate accounting checks, NOT a geometry/clearance safety gate.</summary>
public static class NestJobValidator
{
public static void Validate(NestJob job)
{
ArgumentNullException.ThrowIfNull(job);
foreach (var stock in job.Plates)
{
var edges = stock.EdgeSpacing;
if (!Positive(stock.Size.Width) || !Positive(stock.Size.Length) ||
!Nonnegative(stock.PartSpacing) || !Nonnegative(edges.Left) || !Nonnegative(edges.Right) ||
!Nonnegative(edges.Top) || !Nonnegative(edges.Bottom) || stock.Quadrant < 1 || stock.Quadrant > 4 ||
edges.Left + edges.Right >= stock.Size.Length || edges.Top + edges.Bottom >= stock.Size.Width)
throw new ArgumentException($"Invalid stock dimensions/settings: {stock.Id}.", nameof(job));
}
foreach (var part in job.Parts)
{
if (part.Geometry.Motions.Count == 0 || part.Geometry.Motions.Any(m =>
!double.IsFinite(m.X) || !double.IsFinite(m.Y) ||
!double.IsFinite(m.CenterX) || !double.IsFinite(m.CenterY)))
throw new ArgumentException($"Geometry must contain finite motions: {part.Id}.", nameof(job));
}
}
internal static void ValidateCandidate(PlateCandidate candidate, IReadOnlyDictionary<string, int> remaining)
{
if (candidate == null) throw new InvalidOperationException("The plate nester returned a null candidate.");
var counts = new Dictionary<string, int>(StringComparer.Ordinal);
foreach (var placement in candidate.Placements)
{
if (placement.PartId == null || !remaining.TryGetValue(placement.PartId, out var available))
throw new InvalidOperationException("Candidate references an unknown requirement ID.");
if (!double.IsFinite(placement.X) || !double.IsFinite(placement.Y) || !double.IsFinite(placement.Rotation))
throw new InvalidOperationException("Candidate poses must be finite.");
counts.TryGetValue(placement.PartId, out var count);
if (count >= available) throw new InvalidOperationException("Candidate overproduces a requirement.");
counts[placement.PartId] = count + 1;
}
}
private static bool Positive(double value) => double.IsFinite(value) && value > 0;
private static bool Nonnegative(double value) => double.IsFinite(value) && value >= 0;
}