daniel-c-harvey
102 lines
2.9 KiB
C#
102 lines
2.9 KiB
C#
using DeepDrftContent.FileDatabase.Abstractions;
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using DeepDrftContent.FileDatabase.Models;
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using DeepDrftContent.FileDatabase.Utils;
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namespace DeepDrftContent.FileDatabase.Services;
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/// <summary>
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/// Enum representing different types of indexes
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/// </summary>
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public enum IndexType
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{
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Directory,
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Vault
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}
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/// <summary>
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/// Abstract base class for index containers
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/// </summary>
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public abstract class AbstractIndexContainer
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{
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protected IndexType Type { get; }
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public string RootPath { get; }
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private readonly IIndexDataFactory _indexDataFactory;
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protected AbstractIndexContainer(string path, IndexType type, IIndexDataFactory? indexDataFactory = null)
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{
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RootPath = path;
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Type = type;
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_indexDataFactory = indexDataFactory ?? new IndexFactoryService();
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}
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public string GetKey() => Path.GetFileName(RootPath);
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protected async Task SaveIndexAsync<T>(T index) where T : IIndex
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{
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var indexPath = Path.Combine(RootPath, "index");
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var indexData = _indexDataFactory.CreateIndexData(Type, index);
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await FileUtils.PutObjectAsync(indexPath, indexData);
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}
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}
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/// <summary>
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/// Abstract base class for directory containers that manage indexes
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/// </summary>
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public abstract class IndexDirectory : AbstractIndexContainer
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{
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protected IEntryQueryable Index { get; }
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protected IndexDirectory(string rootPath, IndexType type, IEntryQueryable index, IIndexDataFactory? indexDataFactory = null)
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: base(rootPath, type, indexDataFactory)
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{
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Index = index;
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}
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protected IReadOnlyList<string> GetIndexEntries() => Index.GetEntries();
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public int GetIndexSize() => Index.GetEntriesSize();
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public bool HasIndexEntry(string entryId) => Index.HasEntry(entryId);
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}
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/// <summary>
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/// Directory index directory implementation
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/// </summary>
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public class DirectoryIndexDirectory : IndexDirectory
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{
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private readonly IDirectoryIndex _directoryIndex;
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public DirectoryIndexDirectory(string rootPath, IDirectoryIndex index, IIndexDataFactory? indexDataFactory = null)
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: base(rootPath, IndexType.Directory, index, indexDataFactory)
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{
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_directoryIndex = index;
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}
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protected async Task AddToIndexAsync(string entryId)
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{
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_directoryIndex.PutEntry(entryId);
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await SaveIndexAsync(_directoryIndex);
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}
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}
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/// <summary>
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/// Vault index directory implementation
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/// </summary>
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public class VaultIndexDirectory : IndexDirectory
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{
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private readonly IVaultIndex _vaultIndex;
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public VaultIndexDirectory(string rootPath, IVaultIndex index, IIndexDataFactory? indexDataFactory = null)
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: base(rootPath, IndexType.Vault, index, indexDataFactory)
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{
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_vaultIndex = index;
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}
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protected async Task AddToIndexAsync(string entryId, MetaData metaData)
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{
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_vaultIndex.PutEntry(entryId, metaData);
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await SaveIndexAsync(_vaultIndex);
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}
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}
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