Formatting.cs

using System;

namespace Shoko.Commons.Utils
{
    public class Formatting
    {
        public static string FormatAniDBRating(double rat) => $"{rat:0.00}";

        public static string FormatPercentage(double val) => $"{val:0.0}%";

        public static string FormatSecondsToDisplayTime(int secs)
        {
            TimeSpan t = TimeSpan.FromSeconds(secs);
            return t.Hours > 0 ? $"{t.Hours}:{t.Minutes.ToString().PadLeft(2, '0')}:{t.Seconds.ToString().PadLeft(2, '0')}" : $"{t.Minutes}:{t.Seconds.ToString().PadLeft(2, '0')}";
        }

        public static string FormatFileSize(long bytes) => ((bytes / 1024f) / 1024f).ToString("##.# MB");

        public static string FormatFileSize(double bytes)
        {
            string[] suffixes = { "bytes", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB" };
            for (int i = 0; i < suffixes.Length; i++)
            {
                if (bytes <= (Math.Pow(1024, i + 1)))
                {
                    return ThreeNonZeroDigits(bytes /
                                              Math.Pow(1024, i)) +
                           " " + suffixes[i];
                }
            }

            return ThreeNonZeroDigits(bytes /
                                      Math.Pow(1024, suffixes.Length - 1)) +
                   " " + suffixes[suffixes.Length - 1];
        }

        public static string FormatBitRate(double bytes)
        {
            string[] suffixes = { "bytes", "kbps" };
            for (int i = 0; i < suffixes.Length; i++)
            {
                if (bytes <= (Math.Pow(1024, i + 1)))
                {
                    return ThreeNonZeroDigits(bytes /
                                              Math.Pow(1024, i)) +
                           " " + suffixes[i];
                }
            }

            return ThreeNonZeroDigits(bytes /
                                      Math.Pow(1024, suffixes.Length - 1)) +
                   " " + suffixes[suffixes.Length - 1];
        }

        private static string ThreeNonZeroDigits(double value)
        {
            if (value >= 100)
            {
                // No digits after the decimal.
                return value.ToString("0,0");
            }
            else if (value >= 10)
            {
                // One digit after the decimal.
                return value.ToString("0.0");
            }
            else
            {
                // Two digits after the decimal.
                return value.ToString("0.00");
            }
        }

        private static string[] escapes = { "SOURCE", "TAKEN", "FROM", "HTTP", "ANN", "ANIMENFO", "ANIDB", "ANIMESUKI" };

        public static string ReparseDescription(string description)
        {
            if (description == null || description.Length == 0) return "";

            string val = description;
            val = val.Replace("<br />", Environment.NewLine).Replace("<br/>", Environment.NewLine).Replace("<i>", "").
                Replace("</i>", "").Replace("<b>", "").Replace("</b>", "").Replace("[i]", "").Replace("[/i]", "").
                Replace("[b]", "").Replace("[/b]", "");
            val = val.Replace("<BR />", Environment.NewLine).Replace("<BR/>", Environment.NewLine).Replace("<I>", "").Replace("</I>", "").Replace("<B>", "").Replace("</B>", "").Replace("[I]", "").Replace("[/I]", "").
                Replace("[B]", "").Replace("[/B]", "");

            string vup = val.ToUpper();
            while ((vup.Contains("[URL")) || (vup.Contains("[/URL]")))
            {
                int a = vup.IndexOf("[URL");
                if (a >= 0)
                {
                    int b = vup.IndexOf("]", a + 1);
                    if (b >= 0)
                    {
                        val = val.Substring(0, a) + val.Substring(b + 1);
                        vup = val.ToUpper();
                    }
                }
                a = vup.IndexOf("[/URL]");
                if (a >= 0)
                {
                    val = val.Substring(0, a) + val.Substring(a + 6);
                    vup = val.ToUpper();
                }
            }
            while (vup.Contains("HTTP:"))
            {
                int a = vup.IndexOf("HTTP:");
                if (a >= 0)
                {
                    int b = vup.IndexOf(" ", a + 1);
                    if (b >= 0)
                    {
                        if (vup[b + 1] == '[')
                        {
                            int c = vup.IndexOf("]", b + 1);
                            val = val.Substring(0, a) + " " + val.Substring(b + 2, c - b - 2) + val.Substring(c + 1);
                        }
                        else
                        {
                            val = val.Substring(0, a) + val.Substring(b);
                        }
                        vup = val.ToUpper();
                    }
                    else
                    {
                        break;
                    }
                }
            }
            int d = -1;
            do
            {
                if (d + 1 >= vup.Length)
                    break;
                d = vup.IndexOf("[", d + 1);
                if (d != -1)
                {
                    int b = vup.IndexOf("]", d + 1);
                    if (b != -1)
                    {
                        string cont = vup.Substring(d, b - d);
                        bool dome = false;
                        foreach (string s in escapes)
                        {
                            if (cont.Contains(s))
                            {
                                dome = true;
                                break;
                            }
                        }
                        if (dome)
                        {
                            val = val.Substring(0, d) + val.Substring(b + 1);
                            vup = val.ToUpper();
                        }
                    }
                }
            } while (d != -1);
            d = -1;
            do
            {
                if (d + 1 >= vup.Length)
                    break;

                d = vup.IndexOf("(", d + 1);
                if (d != -1)
                {
                    int b = vup.IndexOf(")", d + 1);
                    if (b != -1)
                    {
                        string cont = vup.Substring(d, b - d);
                        bool dome = false;
                        foreach (string s in escapes)
                        {
                            if (cont.Contains(s))
                            {
                                dome = true;
                                break;
                            }
                        }
                        if (dome)
                        {
                            val = val.Substring(0, d) + val.Substring(b + 1);
                            vup = val.ToUpper();
                        }
                    }
                }
            } while (d != -1);
            d = vup.IndexOf("SOURCE:");
            if (d == -1)
                d = vup.IndexOf("SOURCE :");
            if (d > 0)
            {
                val = val.Substring(0, d);
            }
            return val.Trim();
        }
    }
}