Metadata
This commit is contained in:
@ -1,5 +1,5 @@
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using MetadataExtractor;
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using System.Collections.ObjectModel;
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using View_by_Distance.Shared.Models;
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namespace View_by_Distance.Metadata.Models.Stateless.Methods;
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@ -14,39 +14,54 @@ public interface IMetadata
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Meters
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}
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ReadOnlyDictionary<string, MetadataExtractorDirectory> TestStatic_GetKeyValuePairs(IReadOnlyList<MetadataExtractor.Directory> directories) =>
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GetKeyValuePairs(directories);
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static ReadOnlyDictionary<string, MetadataExtractorDirectory> GetKeyValuePairs(IReadOnlyList<MetadataExtractor.Directory> directories) =>
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new(Metadata.GetKeyValuePairs(directories));
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ExifDirectory TestStatic_GetExifDirectory(FilePath filePath) =>
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GetExifDirectory(filePath);
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static ExifDirectory GetExifDirectory(FilePath filePath) =>
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Exif.GetExifDirectory(filePath);
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string? TestStatic_GetModel(IReadOnlyList<MetadataExtractor.Directory> directories) =>
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GetModel(directories);
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static string? GetModel(IReadOnlyList<MetadataExtractor.Directory> directories) =>
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Metadata.GetModel(directories);
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string TestStatic_GetMaker(ExifDirectory? exifDirectory) =>
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GetMaker(exifDirectory);
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static string GetMaker(ExifDirectory? exifDirectory) =>
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Base.GetMaker(exifDirectory?.ExifBaseDirectories);
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string? TestStatic_GetFaceEncoding(IReadOnlyList<MetadataExtractor.Directory> directories) =>
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GetFaceEncoding(directories);
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static string? GetFaceEncoding(IReadOnlyList<MetadataExtractor.Directory> directories) =>
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Metadata.GetFaceEncoding(directories);
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string TestStatic_GetModel(ExifDirectory? exifDirectory) =>
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GetModel(exifDirectory);
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static string GetModel(ExifDirectory? exifDirectory) =>
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Base.GetModel(exifDirectory?.ExifBaseDirectories);
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string? TestStatic_GetOutputResolution(IReadOnlyList<MetadataExtractor.Directory> directories) =>
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GetOutputResolution(directories);
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static string? GetOutputResolution(IReadOnlyList<MetadataExtractor.Directory> directories) =>
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Metadata.GetOutputResolution(directories);
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string? TestStatic_GetOutputResolution(ExifDirectory? exifDirectory) =>
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GetOutputResolution(exifDirectory);
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static string? GetOutputResolution(ExifDirectory? exifDirectory) =>
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Face.GetOutputResolution(exifDirectory?.PngDirectories);
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GeoLocation? TestStatic_GeoLocation(IReadOnlyList<MetadataExtractor.Directory> directories) =>
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GeoLocation(directories);
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static GeoLocation? GeoLocation(IReadOnlyList<MetadataExtractor.Directory> directories) =>
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Metadata.GeoLocation(directories);
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string? TestStatic_GetFaceEncoding(ExifDirectory? exifDirectory) =>
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GetFaceEncoding(exifDirectory);
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static string? GetFaceEncoding(ExifDirectory? exifDirectory) =>
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Face.GetFaceEncoding(exifDirectory?.PngDirectories);
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GeoLocation? TestStatic_GeoLocation(ReadOnlyDictionary<string, MetadataExtractorDirectory> metadataExtractorDirectories) =>
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GeoLocation(metadataExtractorDirectories);
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static GeoLocation? GeoLocation(ReadOnlyDictionary<string, MetadataExtractorDirectory> metadataExtractorDirectories) =>
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Metadata.GeoLocation(metadataExtractorDirectories);
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GeoLocation? TestStatic_GeoLocation(ExifDirectory? exifDirectory) =>
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GeoLocation(exifDirectory);
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static GeoLocation? GeoLocation(ExifDirectory? exifDirectory) =>
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GPS.GeoLocation(exifDirectory?.GpsDirectories);
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double? TestStatic_GetDistance(double originLatitude, double originLongitude, double destinationLatitude, double destinationLongitude, int decimalPlaces = 1, DistanceUnit distanceUnit = DistanceUnit.Miles) =>
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GetDistance(originLatitude, originLongitude, destinationLatitude, destinationLongitude, decimalPlaces, distanceUnit);
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static double? GetDistance(double originLatitude, double originLongitude, double destinationLatitude, double destinationLongitude, int decimalPlaces = 1, DistanceUnit distanceUnit = DistanceUnit.Miles) =>
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Metadata.GetDistance(originLatitude, originLongitude, destinationLatitude, destinationLongitude, decimalPlaces, distanceUnit);
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GPS.GetDistance(originLatitude, originLongitude, destinationLatitude, destinationLongitude, decimalPlaces, distanceUnit);
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// string? TestStatic_GetFaceEncoding(IReadOnlyList<MetadataExtractor.Directory> directories) =>
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// GetFaceEncoding(directories);
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// static string? GetFaceEncoding(IReadOnlyList<MetadataExtractor.Directory> directories) =>
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// Metadata.GetFaceEncoding(directories);
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// string? TestStatic_GetOutputResolution(IReadOnlyList<MetadataExtractor.Directory> directories) =>
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// GetOutputResolution(directories);
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// static string? GetOutputResolution(IReadOnlyList<MetadataExtractor.Directory> directories) =>
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// Metadata.GetOutputResolution(directories);
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// Dictionary<string, MetadataExtractorDirectory> TestStatic_GetMetadataCollection(FileInfo fileInfo, List<Tuple<string, DateTime>> subFileTuples, List<string> parseExceptions) =>
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// GetMetadataCollection(fileInfo, subFileTuples, parseExceptions);
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// static Dictionary<string, MetadataExtractorDirectory> GetMetadataCollection(FileInfo fileInfo, List<Tuple<string, DateTime>> subFileTuples, List<string> parseExceptions) =>
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// Metadata.GetMetadataCollection(fileInfo, subFileTuples, parseExceptions);
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}
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@ -1,229 +0,0 @@
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using MetadataExtractor;
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using MetadataExtractor.Formats.Exif;
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using System.Collections.ObjectModel;
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using System.Text.Json;
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using static View_by_Distance.Metadata.Models.Stateless.Methods.IMetadata;
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namespace View_by_Distance.Metadata.Models.Stateless.Methods;
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internal partial class Metadata
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{
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internal static Dictionary<string, MetadataExtractorDirectory> GetKeyValuePairs(IReadOnlyList<MetadataExtractor.Directory> directories)
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{
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Dictionary<string, MetadataExtractorDirectory> results = [];
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MetadataExtractorTag metadataExtractorTag;
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MetadataExtractorDirectory? metadataExtractorDirectory;
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Dictionary<int, MetadataExtractorTag> metadataExtractorTags;
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foreach (MetadataExtractor.Directory directory in directories)
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{
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metadataExtractorTags = [];
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if (results.TryGetValue(directory.Name, out metadataExtractorDirectory))
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continue;
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foreach (Tag tag in directory.Tags)
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{
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metadataExtractorTag = new(tag.Type, tag.Description, tag.HasName, tag.Name);
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metadataExtractorTags.Add(tag.Type, metadataExtractorTag);
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}
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metadataExtractorDirectory = new(directory.Name, directory.HasError, new(directory.Errors.ToArray()), new(metadataExtractorTags));
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results.Add(directory.Name, metadataExtractorDirectory);
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}
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return results;
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}
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internal static Dictionary<string, MetadataExtractorDirectory> Deserialize(string json)
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{
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Dictionary<string, MetadataExtractorDirectory> results = [];
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Record? record;
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MetadataExtractorDirectory metadataExtractorDirectory;
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Dictionary<string, JsonElement>? keyValuePairs = JsonSerializer.Deserialize<Dictionary<string, JsonElement>>(json);
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if (keyValuePairs is null)
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throw new NullReferenceException(nameof(keyValuePairs));
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foreach (KeyValuePair<string, JsonElement> keyValuePair in keyValuePairs)
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{
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record = JsonSerializer.Deserialize(keyValuePair.Value.ToString(), RecordSourceGenerationContext.Default.Record);
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if (record is null)
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throw new NullReferenceException(nameof(record));
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metadataExtractorDirectory = new(record.Name, record.HasError, new(record.Errors), new(record.Tags));
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results.Add(record.Name, metadataExtractorDirectory);
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}
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return results;
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}
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internal static string? GetFaceEncoding(IReadOnlyList<MetadataExtractor.Directory> directories)
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{
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string? result;
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List<string> results = [];
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const string comment = "Comment: ";
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foreach (MetadataExtractor.Directory directory in directories)
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{
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if (directory.Name != "PNG-tEXt")
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continue;
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foreach (Tag tag in directory.Tags)
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{
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if (tag.Name != "Textual Data" || string.IsNullOrEmpty(tag.Description))
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continue;
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if (!tag.Description.StartsWith(comment))
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continue;
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results.Add(tag.Description);
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}
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}
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result = results.Count != 0 ? results[0][comment.Length..] : null;
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return result;
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}
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internal static string? GetOutputResolution(IReadOnlyList<MetadataExtractor.Directory> directories)
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{
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string? result;
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List<string> results = [];
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const string artist = "Artist: ";
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foreach (MetadataExtractor.Directory directory in directories)
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{
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if (directory.Name != "PNG-tEXt")
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continue;
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foreach (Tag tag in directory.Tags)
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{
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if (tag.Name != "Textual Data" || string.IsNullOrEmpty(tag.Description))
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continue;
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if (!tag.Description.StartsWith(artist))
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continue;
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results.Add(tag.Description);
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}
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}
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result = results.Count != 0 ? results[0][artist.Length..] : null;
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return result;
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}
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internal static string? GetModel(IReadOnlyList<MetadataExtractor.Directory> directories)
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{
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string? result;
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ExifDirectoryBase? exifDirectoryBase = directories.OfType<ExifDirectoryBase>().FirstOrDefault();
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if (exifDirectoryBase is null)
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result = null;
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else
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result = exifDirectoryBase.GetString(ExifDirectoryBase.TagModel);
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return result;
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}
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internal static GeoLocation? GeoLocation(IReadOnlyList<MetadataExtractor.Directory> directories)
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{
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GeoLocation? result;
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GpsDirectory? gpsDirectory = directories.OfType<GpsDirectory>().FirstOrDefault();
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if (gpsDirectory is null)
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result = null;
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else
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result = gpsDirectory.GetGeoLocation();
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return result;
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}
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private static bool CoordinateValidatorValidate(double latitude, double longitude)
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{
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if (latitude is < (-90) or > 90)
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return false;
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if (longitude is < (-180) or > 180)
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return false;
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return true;
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}
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private static double GetRadius(DistanceUnit distanceUnit)
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{
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return distanceUnit switch
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{
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DistanceUnit.Kilometers => 6371.0, // EarthRadiusInKilometers;
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DistanceUnit.Meters => 6371000.0, // EarthRadiusInMeters;
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DistanceUnit.NauticalMiles => 3440.0, // EarthRadiusInNauticalMiles;
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DistanceUnit.Miles => 3959.0, // EarthRadiusInMiles;
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_ => throw new NotSupportedException()
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};
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}
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private static double ToRadian(double d) =>
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d * (Math.PI / 180);
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private static double DiffRadian(double val1, double val2) =>
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ToRadian(val2) - ToRadian(val1);
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internal static double GetDistance(double originLatitude, double originLongitude, double destinationLatitude, double destinationLongitude, int decimalPlaces = 1, DistanceUnit distanceUnit = DistanceUnit.Miles)
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{
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if (!CoordinateValidatorValidate(originLatitude, originLongitude))
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throw new ArgumentException("Invalid origin coordinates supplied.");
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if (!CoordinateValidatorValidate(destinationLatitude, destinationLongitude))
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throw new ArgumentException("Invalid destination coordinates supplied.");
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double radius = GetRadius(distanceUnit);
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return Math.Round(
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radius * 2 *
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Math.Asin(Math.Min(1,
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Math.Sqrt(
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Math.Pow(Math.Sin(DiffRadian(originLatitude, destinationLatitude) / 2.0), 2.0) +
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Math.Cos(ToRadian(originLatitude)) * Math.Cos(ToRadian(destinationLatitude)) *
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Math.Pow(Math.Sin(DiffRadian(originLongitude, destinationLongitude) / 2.0),
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2.0)))), decimalPlaces);
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}
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private static double ParseValueFromDmsString(string value)
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{
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double result;
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if (string.IsNullOrEmpty(value))
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return double.MinValue;
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double secondsValue;
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string[] degrees = value.Split('°');
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if (degrees.Length != 2)
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return double.MinValue;
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if (!double.TryParse(degrees[0], out double degreesValue))
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return double.MinValue;
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string[] minutes = degrees[1].Split('\'');
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if (minutes.Length != 2)
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return double.MinValue;
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if (!double.TryParse(minutes[0], out double minutesValue))
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return double.MinValue;
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string[] seconds = minutes[1].Split('"');
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if (seconds.Length != 2)
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secondsValue = 0;
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else
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{
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if (!double.TryParse(seconds[0], out secondsValue))
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return double.MinValue;
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}
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result = Math.Abs(degreesValue) + (minutesValue / 60) + (secondsValue / 3600);
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if (degreesValue < 0)
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result *= -1;
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return result;
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}
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internal static GeoLocation? GeoLocation(ReadOnlyDictionary<string, MetadataExtractorDirectory> metadataExtractorDirectories)
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{
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GeoLocation? result;
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if (!metadataExtractorDirectories.TryGetValue("GPS", out MetadataExtractorDirectory? metadataExtractorDirectory))
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result = null;
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else
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{
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MetadataExtractorTag? metadataExtractorTag;
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if (!metadataExtractorDirectory.Tags.TryGetValue((int)Shared.Models.Stateless.IExif.Tags.GPSLatitude, out metadataExtractorTag) || string.IsNullOrEmpty(metadataExtractorTag.Description))
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result = null;
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else
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{
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string latitudeDMS = metadataExtractorTag.Description;
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double latitude = ParseValueFromDmsString(latitudeDMS);
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if (!metadataExtractorDirectory.Tags.TryGetValue((int)Shared.Models.Stateless.IExif.Tags.GPSLongitude, out metadataExtractorTag) || string.IsNullOrEmpty(metadataExtractorTag.Description))
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result = null;
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else
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{
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string longitudeDMS = metadataExtractorTag.Description;
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double longitude = ParseValueFromDmsString(longitudeDMS);
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result = new(latitude, longitude);
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string dms = result.ToDmsString();
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if ($"{latitudeDMS}, {longitudeDMS}" != dms)
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result = null;
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}
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}
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}
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return result;
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}
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}
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