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172 lines
5.4 KiB
172 lines
5.4 KiB
using System.Globalization;
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using System.Linq;
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using System.Text.RegularExpressions;
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using Microsoft.AspNetCore.WebUtilities;
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using NzbDrone.Common.Extensions;
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namespace NzbDrone.Core.Parser
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{
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public static class ParseUtil
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{
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private static readonly Regex ImdbIdRegex = new (@"^(?:tt)?(\d{1,8})$", RegexOptions.Compiled);
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public static string NormalizeMultiSpaces(string s) =>
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new Regex(@"\s+").Replace(s.Trim(), " ");
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private static string NormalizeNumber(string s, bool isInt = false)
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{
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var valStr = new string(s.Where(c => char.IsDigit(c) || c == '.' || c == ',').ToArray());
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valStr = valStr.Trim().Replace("-", "0");
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if (isInt)
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{
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if (valStr.Contains(',') && valStr.Contains('.'))
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{
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return valStr;
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}
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valStr = (valStr.Length == 0) ? "0" : valStr.Replace(".", ",");
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return valStr;
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}
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valStr = (valStr.Length == 0) ? "0" : valStr.Replace(",", ".");
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if (valStr.Count(c => c == '.') > 1)
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{
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var lastOcc = valStr.LastIndexOf('.');
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valStr = valStr.Substring(0, lastOcc).Replace(".", string.Empty) + valStr.Substring(lastOcc);
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}
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return valStr;
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}
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public static double CoerceDouble(string str) => double.Parse(NormalizeNumber(str), NumberStyles.Any, CultureInfo.InvariantCulture);
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public static float CoerceFloat(string str) => float.Parse(NormalizeNumber(str), NumberStyles.Any, CultureInfo.InvariantCulture);
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public static int CoerceInt(string str) => int.Parse(NormalizeNumber(str, true), NumberStyles.Any, CultureInfo.InvariantCulture);
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public static long CoerceLong(string str) => long.Parse(NormalizeNumber(str, true), NumberStyles.Any, CultureInfo.InvariantCulture);
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public static bool TryCoerceDouble(string str, out double result) => double.TryParse(NormalizeNumber(str), NumberStyles.Any, CultureInfo.InvariantCulture, out result);
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public static bool TryCoerceFloat(string str, out float result) => float.TryParse(NormalizeNumber(str), NumberStyles.Any, CultureInfo.InvariantCulture, out result);
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public static bool TryCoerceInt(string str, out int result) => int.TryParse(NormalizeNumber(str, true), NumberStyles.Any, CultureInfo.InvariantCulture, out result);
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public static bool TryCoerceLong(string str, out long result) => long.TryParse(NormalizeNumber(str, true), NumberStyles.Any, CultureInfo.InvariantCulture, out result);
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public static long? GetLongFromString(string str)
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{
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if (str.IsNullOrWhiteSpace())
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{
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return null;
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}
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var extractedLong = string.Empty;
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foreach (var c in str)
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{
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if (c < '0' || c > '9')
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{
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if (extractedLong.Length > 0)
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{
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break;
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}
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continue;
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}
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extractedLong += c;
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}
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return CoerceLong(extractedLong);
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}
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public static int? GetImdbId(string value)
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{
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if (value == null)
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{
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return null;
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}
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var match = ImdbIdRegex.Match(value);
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if (!match.Success)
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{
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return null;
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}
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return int.Parse(match.Groups[1].Value, NumberStyles.Any, CultureInfo.InvariantCulture);
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}
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public static string GetFullImdbId(string value)
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{
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var imdbId = GetImdbId(value);
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if (imdbId is null or 0)
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{
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return null;
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}
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return $"tt{imdbId.GetValueOrDefault():D7}";
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}
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public static string GetArgumentFromQueryString(string url, string argument)
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{
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if (url == null || argument == null)
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{
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return null;
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}
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var qsStr = url.Split(new char[] { '?' }, 2)[1];
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qsStr = qsStr.Split(new char[] { '#' }, 2)[0];
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var qs = QueryHelpers.ParseQuery(qsStr);
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return qs[argument].FirstOrDefault();
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}
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public static long GetBytes(string str)
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{
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var unit = new string(str.Where(char.IsLetter).ToArray());
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var val = CoerceFloat(str);
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return GetBytes(unit, val);
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}
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private static long GetBytes(string unit, float value)
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{
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unit = unit.Replace("i", "").ToLowerInvariant();
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if (unit.Contains("kb"))
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{
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return BytesFromKB(value);
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}
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if (unit.Contains("mb"))
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{
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return BytesFromMB(value);
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}
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if (unit.Contains("gb"))
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{
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return BytesFromGB(value);
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}
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if (unit.Contains("tb"))
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{
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return BytesFromTB(value);
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}
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return (long)value;
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}
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private static long BytesFromTB(float tb) => BytesFromGB(tb * 1024f);
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private static long BytesFromGB(float gb) => BytesFromMB(gb * 1024f);
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private static long BytesFromMB(float mb) => BytesFromKB(mb * 1024f);
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private static long BytesFromKB(float kb) => (long)(kb * 1024f);
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}
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}
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