264 lines
9.4 KiB
C#
264 lines
9.4 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.IO;
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using System.Linq;
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using System.Runtime.Serialization;
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using System.Text.RegularExpressions;
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using System.Threading.Tasks;
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using Newtonsoft.Json;
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namespace CRD.Utils;
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public class Helpers{
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/// <summary>
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/// Deserializes a JSON string into a specified .NET type.
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/// </summary>
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/// <typeparam name="T">The type of the object to deserialize to.</typeparam>
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/// <param name="json">The JSON string to deserialize.</param>
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/// <param name="serializerSettings">The settings for deserialization if null default settings will be used</param>
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/// <returns>The deserialized object of type T.</returns>
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public static T? Deserialize<T>(string json, JsonSerializerSettings? serializerSettings){
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try{
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return JsonConvert.DeserializeObject<T>(json, serializerSettings);
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} catch (JsonException ex){
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Console.Error.WriteLine($"Error deserializing JSON: {ex.Message}");
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throw;
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}
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}
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public static void EnsureDirectoriesExist(string path){
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// Check if the path is absolute
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bool isAbsolute = Path.IsPathRooted(path);
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// Get all directory parts of the path except the last segment (assuming it's a file)
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string directoryPath = Path.GetDirectoryName(path);
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if (string.IsNullOrEmpty(directoryPath)){
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Console.WriteLine("The provided path does not contain any directory information.");
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return;
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}
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// Initialize the cumulative path based on whether the original path is absolute or not
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string cumulativePath = isAbsolute ? Path.GetPathRoot(directoryPath) : Environment.CurrentDirectory;
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// Get all directory parts
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string[] directories = directoryPath.Split(Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar);
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// Start the loop from the correct initial index
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int startIndex = isAbsolute && directories.Length > 0 && string.IsNullOrEmpty(directories[0]) ? 2 : 0;
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for (int i = startIndex; i < directories.Length; i++){
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// Skip empty parts (which can occur with UNC paths)
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if (string.IsNullOrEmpty(directories[i])){
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continue;
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}
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// Build the path incrementally
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cumulativePath = Path.Combine(cumulativePath, directories[i]);
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// Check if the directory exists and create it if it does not
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if (!Directory.Exists(cumulativePath)){
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Directory.CreateDirectory(cumulativePath);
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Console.WriteLine($"Created directory: {cumulativePath}");
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}
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}
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}
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public static bool IsValidPath(string path){
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char[] invalidChars = Path.GetInvalidPathChars();
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if (string.IsNullOrWhiteSpace(path)){
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return false;
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}
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if (path.Any(ch => invalidChars.Contains(ch))){
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return false;
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}
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try{
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// Use Path.GetFullPath to ensure that the path can be fully qualified
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string fullPath = Path.GetFullPath(path);
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return true;
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} catch (Exception){
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return false;
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}
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}
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public static Locale ConvertStringToLocale(string? value){
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foreach (Locale locale in Enum.GetValues(typeof(Locale))){
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var type = typeof(Locale);
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var memInfo = type.GetMember(locale.ToString());
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var attributes = memInfo[0].GetCustomAttributes(typeof(EnumMemberAttribute), false);
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var description = ((EnumMemberAttribute)attributes[0]).Value;
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if (description == value){
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return locale;
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}
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}
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if (string.IsNullOrEmpty(value)){
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return Locale.DefaulT;
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}
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return Locale.Unknown; // Return default if not found
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}
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public static string GenerateSessionId(){
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// Get UTC milliseconds
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var utcNow = DateTime.UtcNow;
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var milliseconds = utcNow.Millisecond.ToString().PadLeft(3, '0');
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// Get a high-resolution timestamp
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long timestamp = Stopwatch.GetTimestamp();
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double timestampToMilliseconds = (double)timestamp / Stopwatch.Frequency * 1000;
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string highResTimestamp = timestampToMilliseconds.ToString("F0").PadLeft(13, '0');
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return milliseconds + highResTimestamp;
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}
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public static void ConvertChapterFileForFFMPEG(string chapterFilePath){
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var chapterLines = File.ReadAllLines(chapterFilePath);
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var ffmpegChapterLines = new List<string>{ ";FFMETADATA1" };
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for (int i = 0; i < chapterLines.Length; i += 2){
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var timeLine = chapterLines[i];
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var nameLine = chapterLines[i + 1];
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var timeParts = timeLine.Split('=');
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var nameParts = nameLine.Split('=');
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if (timeParts.Length == 2 && nameParts.Length == 2){
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var startTime = TimeSpan.Parse(timeParts[1]).TotalMilliseconds;
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var endTime = i + 2 < chapterLines.Length ? TimeSpan.Parse(chapterLines[i + 2].Split('=')[1]).TotalMilliseconds : startTime + 10000;
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ffmpegChapterLines.Add("[CHAPTER]");
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ffmpegChapterLines.Add("TIMEBASE=1/1000");
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ffmpegChapterLines.Add($"START={startTime}");
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ffmpegChapterLines.Add($"END={endTime}");
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ffmpegChapterLines.Add($"title={nameParts[1]}");
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}
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}
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File.WriteAllLines(chapterFilePath, ffmpegChapterLines);
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}
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public static async Task<(bool IsOk, int ErrorCode)> ExecuteCommandAsync(string type, string bin, string command){
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try{
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using (var process = new Process()){
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process.StartInfo.FileName = bin;
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process.StartInfo.Arguments = command;
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process.StartInfo.RedirectStandardOutput = true;
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process.StartInfo.RedirectStandardError = true;
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process.StartInfo.UseShellExecute = false;
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process.StartInfo.CreateNoWindow = true;
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process.OutputDataReceived += (sender, e) => {
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if (!string.IsNullOrEmpty(e.Data)){
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Console.WriteLine(e.Data);
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}
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};
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process.ErrorDataReceived += (sender, e) => {
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if (!string.IsNullOrEmpty(e.Data)){
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Console.WriteLine($"{e.Data}");
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}
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};
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process.Start();
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process.BeginOutputReadLine();
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process.BeginErrorReadLine();
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await process.WaitForExitAsync();
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// Define success condition more appropriately based on the application
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bool isSuccess = process.ExitCode == 0;
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return (IsOk: isSuccess, ErrorCode: process.ExitCode);
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}
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} catch (Exception ex){
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Console.Error.WriteLine($"An error occurred: {ex.Message}");
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return (IsOk: false, ErrorCode: -1);
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}
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}
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public static double CalculateCosineSimilarity(string text1, string text2){
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var vector1 = ComputeWordFrequency(text1);
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var vector2 = ComputeWordFrequency(text2);
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return CosineSimilarity(vector1, vector2);
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}
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private static readonly char[] Delimiters ={ ' ', ',', '.', ';', ':', '-', '_', '\'' };
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public static Dictionary<string, double> ComputeWordFrequency(string text){
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var wordFrequency = new Dictionary<string, double>(StringComparer.OrdinalIgnoreCase);
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var words = SplitText(text);
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foreach (var word in words){
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if (wordFrequency.TryGetValue(word, out double count)){
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wordFrequency[word] = count + 1;
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} else{
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wordFrequency[word] = 1;
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}
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}
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return wordFrequency;
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}
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private static List<string> SplitText(string text){
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var words = new List<string>();
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int start = 0;
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for (int i = 0; i < text.Length; i++){
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if (Array.IndexOf(Delimiters, text[i]) >= 0){
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if (i > start){
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words.Add(text.Substring(start, i - start));
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}
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start = i + 1;
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}
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}
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if (start < text.Length){
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words.Add(text.Substring(start));
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}
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return words;
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}
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private static double CosineSimilarity(Dictionary<string, double> vector1, Dictionary<string, double> vector2){
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var intersection = vector1.Keys.Intersect(vector2.Keys);
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double dotProduct = intersection.Sum(term => vector1[term] * vector2[term]);
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double normA = Math.Sqrt(vector1.Values.Sum(val => val * val));
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double normB = Math.Sqrt(vector2.Values.Sum(val => val * val));
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if (normA == 0 || normB == 0){
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// If either vector has zero length, return 0 similarity.
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return 0;
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}
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return dotProduct / (normA * normB);
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}
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public static string? ExtractNumberAfterS(string input){
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// Define the regular expression pattern to match |S followed by a number and optionally C followed by another number
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string pattern = @"\|S(\d+)(?:C(\d+))?";
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Match match = Regex.Match(input, pattern);
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if (match.Success){
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string sNumber = match.Groups[1].Value;
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string cNumber = match.Groups[2].Value;
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if (!string.IsNullOrEmpty(cNumber)){
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return $"{sNumber}.{cNumber}";
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} else{
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return sNumber;
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}
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} else{
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return null;
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}
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}
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} |