| 1 | namespace CasaField.Core; |
| 2 | |
| 3 | public static class CasaCanonical |
| 4 | { |
| 5 | public const int FieldMinVotes = 1; |
| 6 | public const int RepairMinVotes = 2; |
| 7 | } |
| 8 | |
| 9 | public sealed record DecodedGrid( |
| 10 | IReadOnlyList<string> ConceptIds, |
| 11 | IReadOnlyList<string> Edges, |
| 12 | IReadOnlyList<string> PresentTokens, |
| 13 | int MinVotes); |
| 14 | |
| 15 | public static class GridDecoder |
| 16 | { |
| 17 | public static DecodedGrid Decode(IReadOnlyList<IReadOnlyList<string>> cells, int minVotes) |
| 18 | { |
| 19 | var vote = new Dictionary<string, int>(StringComparer.Ordinal); |
| 20 | foreach (var cell in cells) |
| 21 | { |
| 22 | foreach (var token in cell) |
| 23 | { |
| 24 | vote[token] = vote.GetValueOrDefault(token) + 1; |
| 25 | } |
| 26 | } |
| 27 | |
| 28 | var present = vote |
| 29 | .Where(kv => kv.Value >= minVotes) |
| 30 | .Select(kv => kv.Key) |
| 31 | .OrderBy(t => t, StringComparer.Ordinal) |
| 32 | .ToList(); |
| 33 | |
| 34 | var concepts = present |
| 35 | .Where(t => t.StartsWith("C:", StringComparison.Ordinal)) |
| 36 | .Select(t => t[2..]) |
| 37 | .OrderBy(t => t, StringComparer.OrdinalIgnoreCase) |
| 38 | .ToList(); |
| 39 | |
| 40 | var edges = present |
| 41 | .Where(t => t.StartsWith("E:", StringComparison.Ordinal)) |
| 42 | .Select(t => t[2..]) |
| 43 | .ToList(); |
| 44 | |
| 45 | return new DecodedGrid(concepts, edges, present, minVotes); |
| 46 | } |
| 47 | } |
| 48 | |