91 lines
4.9 KiB
C#
91 lines
4.9 KiB
C#
using MetadataExtractor;
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using System.Collections.ObjectModel;
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using System.Text.Json;
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using View_by_Distance.Shared.Models;
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using View_by_Distance.Shared.Models.Methods;
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using View_by_Distance.Shared.Models.Properties;
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namespace View_by_Distance.Metadata.Models;
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public class A_Metadata : IMetadata<MetadataExtractor.Directory>
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{
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private readonly bool _PropertiesChangedForMetadata;
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private readonly IPropertyConfiguration _PropertyConfiguration;
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private readonly bool _ForceMetadataLastWriteTimeToCreationTime;
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private readonly IReadOnlyDictionary<string, string[]> _FileGroups;
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public A_Metadata(IPropertyConfiguration propertyConfiguration, bool forceMetadataLastWriteTimeToCreationTime, bool propertiesChangedForMetadata)
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{
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_PropertyConfiguration = propertyConfiguration;
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_PropertiesChangedForMetadata = propertiesChangedForMetadata;
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_ForceMetadataLastWriteTimeToCreationTime = forceMetadataLastWriteTimeToCreationTime;
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string bResultsFullGroupDirectory = Property.Models.Stateless.IResult.GetResultsFullGroupDirectory(_PropertyConfiguration,
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nameof(A_Metadata),
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string.Empty,
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includeResizeGroup: false,
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includeModel: false,
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includePredictorModel: false);
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_FileGroups = Shared.Models.Stateless.Methods.IPath.GetKeyValuePairs(propertyConfiguration, bResultsFullGroupDirectory, [propertyConfiguration.ResultSingleton]);
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}
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public ReadOnlyDictionary<string, MetadataExtractorDirectory> GetMetadataCollection(string file)
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{
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Dictionary<string, MetadataExtractorDirectory>? results;
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string fileName = Path.GetFileName(file);
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string fileExtensionLowered = Path.GetExtension(file).ToLower();
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string fileNameWithoutExtension = Path.GetFileNameWithoutExtension(file);
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(_, int directoryIndex) = Shared.Models.Stateless.Methods.IPath.GetDirectoryNameAndIndex(_PropertyConfiguration.ResultAllInOneSubdirectoryLength, fileName);
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FileInfo fileInfo = new(Path.Combine(_FileGroups[_PropertyConfiguration.ResultSingleton][directoryIndex], $"{fileNameWithoutExtension}{fileExtensionLowered}.json"));
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if (_ForceMetadataLastWriteTimeToCreationTime && !fileInfo.Exists && File.Exists(Path.ChangeExtension(fileInfo.FullName, ".delete")))
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{
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File.Move(Path.ChangeExtension(fileInfo.FullName, ".delete"), fileInfo.FullName);
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fileInfo.Refresh();
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}
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if (_ForceMetadataLastWriteTimeToCreationTime && fileInfo.Exists && fileInfo.LastWriteTime != fileInfo.CreationTime)
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{
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File.SetLastWriteTime(fileInfo.FullName, fileInfo.CreationTime);
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fileInfo.Refresh();
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}
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if (_PropertiesChangedForMetadata)
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results = null;
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else if (!fileInfo.Exists)
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results = null;
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else if (!fileInfo.FullName.EndsWith(".json") && !fileInfo.FullName.EndsWith(".old"))
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throw new ArgumentException("must be a *.json file");
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else
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{
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string json = File.ReadAllText(fileInfo.FullName);
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try
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{
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results = Stateless.Methods.Metadata.Deserialize(json);
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if (results is null)
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throw new Exception();
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}
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catch (Exception)
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{
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results = null;
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}
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}
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if (results is null || results.Count == 0)
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{
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IReadOnlyList<MetadataExtractor.Directory> directories = ImageMetadataReader.ReadMetadata(file);
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results = Stateless.Methods.Metadata.Covert(directories);
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string json = JsonSerializer.Serialize(results, DictionaryStringMetadataExtractorDirectorySourceGenerationContext.Default.DictionaryStringMetadataExtractorDirectory);
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if (Shared.Models.Stateless.Methods.IPath.WriteAllText(fileInfo.FullName, json, updateDateWhenMatches: false, compareBeforeWrite: true, updateToWhenMatches: null) && _ForceMetadataLastWriteTimeToCreationTime)
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{
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File.SetLastWriteTime(fileInfo.FullName, fileInfo.CreationTime);
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fileInfo.Refresh();
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}
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}
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return new(results);
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}
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(DateTime?, DateTime?[]) IMetadata<MetadataExtractor.Directory>.GetDateTimes(FileHolder fileHolder, IReadOnlyList<MetadataExtractor.Directory> directories)
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{
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List<DateTime?> results = [];
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DateTime? result = null;
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return new(result, results.ToArray());
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}
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} |