Move source code into "Source" folder

LibationFileManager/FilePathCache.cs

@@ -1,115 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-using Dinah.Core.Collections.Immutable;
-using Newtonsoft.Json;
-
-namespace LibationFileManager
-{
-	public static class FilePathCache
-	{
-		public record CacheEntry(string Id, FileType FileType, string Path);
-
-		private const string FILENAME = "FileLocations.json";
-
-		public static event EventHandler<CacheEntry> Inserted;
-		public static event EventHandler<CacheEntry> Removed;
-
-		private static Cache<CacheEntry> cache { get; } = new Cache<CacheEntry>();
-
-		private static string jsonFile => Path.Combine(Configuration.Instance.LibationFiles, FILENAME);
-
-        static FilePathCache()
-        {
-			// load json into memory. if file doesn't exist, nothing to do. save() will create if needed
-			if (File.Exists(jsonFile))
-			{
-				var list = JsonConvert.DeserializeObject<List<CacheEntry>>(File.ReadAllText(jsonFile));
-
-				// file exists but deser is null. this will never happen when file is healthy
-				if (list is null)
-				{
-					lock (locker)
-					{
-						Serilog.Log.Logger.Error("Error deserializing file. Wrong format. Possibly corrupt. Deleting file. {@DebugInfo}", new { jsonFile });
-						File.Delete(jsonFile);
-						return;
-					}
-				}
-
-				cache = new Cache<CacheEntry>(list);
-			}
-        }
-
-        public static bool Exists(string id, FileType type) => GetFirstPath(id, type) is not null;
-
-		public static List<(FileType fileType, string path)> GetFiles(string id)
-			=> getEntries(entry => entry.Id == id)
-			.Select(entry => (entry.FileType, entry.Path))
-			.ToList();
-
-		public static string GetFirstPath(string id, FileType type)
-			=> getEntries(entry => entry.Id == id && entry.FileType == type)
-			?.FirstOrDefault()
-			?.Path;
-
-		private static List<CacheEntry> getEntries(Func<CacheEntry, bool> predicate)
-		{
-			var entries = cache.Where(predicate).ToList();
-			if (entries is null || !entries.Any())
-				return null;
-
-			remove(entries.Where(e => !File.Exists(e.Path)).ToList());
-
-			return entries;
-		}
-
-		private static void remove(List<CacheEntry> entries)
-		{
-			if (entries is null)
-				return;
-
-			lock (locker)
-			{
-				foreach (var entry in entries)
-				{
-					cache.Remove(entry);
-					Removed?.Invoke(null, entry);
-				}
-				save();
-			}
-		}
-
-        public static void Insert(string id, string path)
-		{
-			var type = FileTypes.GetFileTypeFromPath(path);
-			var entry = new CacheEntry(id, type, path);
-			cache.Add(entry);
-			Inserted?.Invoke(null, entry);
-			save();
-		}
-
-		// cache is thread-safe and lock free. but file saving is not
-		private static object locker { get; } = new object();
-		private static void save()
-		{
-			// create json if not exists
-			static void resave() => File.WriteAllText(jsonFile, JsonConvert.SerializeObject(cache.ToList(), Formatting.Indented));
-
-			lock (locker)
-			{
-				try { resave(); }
-				catch (IOException)
-				{
-					try { resave(); }
-					catch (IOException ex)
-					{
-						Serilog.Log.Logger.Error(ex, $"Error saving {FILENAME}");
-						throw;
-					}
-				}
-			}
-        }
-    }
-}