move-all-but-x-of-each (Day-Helper-2025-06-18)

2025-06-18 17:33:29 -07:00
parent 5ca22b3792
commit 116d5e9734
4 changed files with 100 additions and 1 deletions
--- a/ADO2025/PI6/Helper-2025-06-18.cs
+++ b/ADO2025/PI6/Helper-2025-06-18.cs
@ -0,0 +1,89 @@
+
+using System.Collections.ObjectModel;
+
+using Microsoft.Extensions.Logging;
+
+namespace File_Folder_Helper.ADO2025.PI6;
+
+internal static partial class Helper20250618 {
+
+    private record Record(string Directory, List<string> Files);
+
+    internal static void MoveAllButXOfEach(ILogger<Worker> logger, List<string> args) {
+        int keep = int.Parse(args[5]);
+        logger.LogInformation(args[0]);
+        logger.LogInformation(args[1]);
+        logger.LogInformation(args[2]);
+        string searchPattern = args[2];
+        string split = args[4].Split('~')[0];
+        string sourceDirectory = Path.GetFullPath(args[0].Split('~')[0]);
+        string destinationDirectory = Path.GetFullPath(args[3].Split('~')[0]);
+        if (destinationDirectory.Contains(sourceDirectory)) {
+            throw new Exception("Not allowed!");
+        }
+        ReadOnlyCollection<string> directories = GetDirectories(sourceDirectory);
+        MoveAllButXOfEachB(logger, searchPattern, sourceDirectory, destinationDirectory, split, keep, directories);
+    }
+
+    private static ReadOnlyCollection<string> GetDirectories(string sourceDirectory) {
+        List<string> results = [sourceDirectory];
+        results.AddRange(Directory.GetDirectories(sourceDirectory, "*", SearchOption.AllDirectories));
+        return results.AsReadOnly();
+    }
+
+    private static void MoveAllButXOfEachB(ILogger<Worker> logger, string searchPattern, string sourceDirectory, string destinationDirectory, string split, int keep, ReadOnlyCollection<string> directories) {
+        string[] files;
+        int sourceDirectoryLength = sourceDirectory.Length;
+        ReadOnlyDictionary<string, ReadOnlyCollection<string>> keyValuePairs;
+        foreach (string directory in directories) {
+            files = Directory.GetFiles(directory, searchPattern, SearchOption.TopDirectoryOnly);
+            keyValuePairs = GetFiles(split, files);
+            foreach (KeyValuePair<string, ReadOnlyCollection<string>> keyValuePair in keyValuePairs) {
+                if (keyValuePair.Value.Count <= keep) {
+                    continue;
+                } else {
+                    MoveAllButXOfEachC(logger, sourceDirectoryLength, destinationDirectory, keyValuePair);
+                }
+            }
+        }
+    }
+
+    private static ReadOnlyDictionary<string, ReadOnlyCollection<string>> GetFiles(string split, string[] files) {
+        Dictionary<string, ReadOnlyCollection<string>> results = [];
+        string key;
+        List<string>? collection;
+        Dictionary<string, List<string>> keyValuePairs = [];
+        foreach (string file in files) {
+            key = Path.GetFileName(file).Split(split)[0];
+            if (!keyValuePairs.TryGetValue(key, out collection)) {
+                keyValuePairs.Add(key, []);
+                if (!keyValuePairs.TryGetValue(key, out collection)) {
+                    throw new Exception();
+                }
+            }
+            collection.Add(file);
+        }
+        foreach (KeyValuePair<string, List<string>> keyValuePair in keyValuePairs) {
+            results.Add(keyValuePair.Key, keyValuePair.Value.OrderByDescending(l => l).ToArray().AsReadOnly());
+        }
+        return results.AsReadOnly();
+    }
+
+    private static void MoveAllButXOfEachC(ILogger<Worker> logger, int sourceDirectoryLength, string destinationDirectory, KeyValuePair<string, ReadOnlyCollection<string>> keyValuePair) {
+        string file;
+        string checkFile;
+        string checkDirectory;
+        for (int i = 1; i < keyValuePair.Value.Count; i++) {
+            file = keyValuePair.Value[i];
+            checkFile = $"{destinationDirectory}{file[sourceDirectoryLength..]}";
+            checkDirectory = Path.GetDirectoryName(checkFile) ?? throw new Exception();
+            if (!Directory.Exists(checkDirectory))
+                _ = Directory.CreateDirectory(checkDirectory);
+            if (File.Exists(checkFile))
+                continue;
+            File.Move(file, checkFile);
+            logger.LogInformation("<{file}> moved", file);
+        }
+    }
+
+}