using System;
using System.Web;
using System.Web.UI.WebControls;

namespace News.program.Helpers {
  public class Prepare {
    public static int ForDb_int(string s) {
      if (s == null) {
        return 0;
      }
      try {
        return int.Parse(s);
      }
      catch {
        return 0;
      }
    }

    public static int ForDb_int(TextBox tb) {
      try {
        return int.Parse(tb.Text);
      }
      catch {
        return 0;
      }
    }

    public static DateTime ForDb_Date(string DateString) {
      try {
        return DateTime.Parse(DateString);
      }
      catch {
        return DateTime.MinValue;
      }
    }

    public static DateTime ForDb_Date(TextBox textBox) {
      return ForDb_Date(textBox.Text);
    }

    public static string FilenameForDisk(string s) {
      return s.Replace(" ", "_");
    }

    public static string ForDb(string s) {
      return HttpUtility.HtmlEncode(s.Replace("'", "''").Trim(new char[] {' '}));
    }

    public static string ForDb(TextBox tb) {
      return HttpUtility.HtmlEncode(tb.Text.Replace("'", "''").Trim(new char[] {' '}));
    }

    public static string ForUI(int i) {
      return ForUI(i.ToString());
    }

    public static string ForUI(string s) {
      return HttpUtility.HtmlDecode(s.Replace("''", "'"));
    }
  }
}