using Npgsql;
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using System;
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using System.Collections.Generic;
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using System.Configuration;
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using System.Data.Common;
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using System.IO;
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using System.Linq;
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using System.Reflection;
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using System.Runtime.InteropServices.ComTypes;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows;
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namespace DataLoader.Model
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{
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public class Tool
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{
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public static MainWindow Owner = null;
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public static readonly string BaseDir = AppDomain.CurrentDomain.BaseDirectory;
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public static int UserId = 1;
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public static string Uname = "admin";
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public static int DirId = 1;
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public static string Token = "";
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public static char[] HEX_DIGITS = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
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public static string FormatBytes(long bytes)
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{
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string[] Suffix = { "Byte", "KB", "MB", "GB", "TB" };
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int i = 0;
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double dblSByte = bytes;
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if (bytes > 1024)
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for (i = 0; (bytes / 1024) > 0; i++, bytes /= 1024)
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dblSByte = bytes / 1024.0;
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return String.Format("{0:0.##}{1}", dblSByte, Suffix[i]);
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}
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public static string GetSetting(string key)
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{
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if (!ConfigurationManager.AppSettings.AllKeys.Contains(key))
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{
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return null;
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}
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return ConfigurationManager.AppSettings[key];
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}
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public static List<DbParameter> GetParams<T>(string sql, T t)
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{
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List<DbParameter> list = new List<DbParameter>();
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Type tType = typeof(T);
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BindingFlags flags = BindingFlags.Public | BindingFlags.IgnoreCase | BindingFlags.Instance;
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int start = sql.IndexOf("@");
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while (start != -1)
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{
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int end = sql.IndexOf(",", start);
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if (end == -1) end = sql.IndexOf(")", start);
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if (end == -1) end = sql.IndexOf(" ", start);
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if (end == -1) end = sql.Length;
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string name = sql.Substring(start + 1, end - start - 1);
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PropertyInfo pi = tType.GetProperty(name, flags);
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if (pi != null)
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{
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object value = pi.GetValue(t, null);
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DbParameter dp = new NpgsqlParameter("@" + name, value);
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list.Add(dp);
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}
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start = sql.IndexOf("@", end);
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}
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return list;
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}
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public static double SizeToMb(long size)
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{
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if (size < 1050)
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{
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return 0.001;
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}
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String str = string.Format("{0:F3}", size / 1024.0 / 1024.0);
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return Double.Parse(str);
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}
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}
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}
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