80 lines
3.6 KiB
C#
80 lines
3.6 KiB
C#
using System.Text.Json;
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namespace View_by_Distance.Shared.Models.Stateless.Methods;
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internal abstract class Mapping
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{
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private static void UseKeyValuePairsSaveFaceEncoding(int locationDigits, Dictionary<int, List<Models.Face>> keyValuePairs, string file, int id, int normalizedPixelPercentageValue, double deterministicHashCodeKey, string extensionLowered)
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{
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string json;
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string checkFile;
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string? directoryName;
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List<Models.Face> collection = new();
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List<Models.Face> faces = keyValuePairs[id];
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foreach (Models.Face face in faces)
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{
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if (face.FaceEncoding is null || face.Location?.NormalizedPixelPercentage is null)
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continue;
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if (normalizedPixelPercentageValue != face.Location.NormalizedPixelPercentage.Value && deterministicHashCodeKey != IMapping.GetDeterministicHashCodeKeyValue(locationDigits, id, face.Location.NormalizedPixelPercentage.Value))
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continue;
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collection.Add(face);
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}
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if (collection.Count != 1)
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throw new Exception();
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foreach (Models.Face face in collection)
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{
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directoryName = Path.GetDirectoryName(file);
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if (string.IsNullOrEmpty(directoryName))
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continue;
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checkFile = Path.Combine(directoryName, $"{deterministicHashCodeKey}{extensionLowered}.json");
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if (File.Exists(checkFile))
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continue;
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json = JsonSerializer.Serialize(face.FaceEncoding);
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_ = IPath.WriteAllText(checkFile, json, updateDateWhenMatches: false, compareBeforeWrite: true, updateToWhenMatches: null);
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}
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}
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private static (int?, int?, double?) GetReversedDeterministicHashCodeKeysFromSegments(int locationDigits, bool keyValuePairsAny, Dictionary<int, List<Models.Face>> keyValuePairs, string file, string[] segments)
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{
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double? result;
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if (segments.Length != 3)
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throw new Exception();
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string id = segments[0];
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int normalizedPixelPercentageValue;
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string normalizedPixelPercentage = segments[1];
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if (!int.TryParse(id, out int idValue) | !int.TryParse(normalizedPixelPercentage, out normalizedPixelPercentageValue))
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result = null;
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else
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{
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result = IMapping.GetDeterministicHashCodeKeyValue(locationDigits, idValue, normalizedPixelPercentageValue);
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if (keyValuePairsAny && keyValuePairs.ContainsKey(idValue))
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UseKeyValuePairsSaveFaceEncoding(locationDigits, keyValuePairs, file, idValue, normalizedPixelPercentageValue, result.Value, $".{segments[2]}");
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}
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return new(idValue, normalizedPixelPercentageValue, result);
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}
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internal static (int?, int?) GetReversedDeterministicHashCodeKey(int locationDigits, bool keyValuePairsAny, Dictionary<int, List<Models.Face>> keyValuePairs, string file)
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{
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int? id;
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int? normalizedPixelPercentage;
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string fileName = Path.GetFileName(file);
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if (fileName.Length < 2 || fileName[1..].Contains('-'))
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{
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id = null;
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normalizedPixelPercentage = null;
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}
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else
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{
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string[] segments = fileName.Split('.');
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(id, normalizedPixelPercentage, double? result) = GetReversedDeterministicHashCodeKeysFromSegments(locationDigits, keyValuePairsAny, keyValuePairs, file, segments);
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if (result is null)
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{
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id = null;
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normalizedPixelPercentage = null;
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}
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}
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return new(id, normalizedPixelPercentage);
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}
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} |