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John Cardinal
2018-06-29 19:47:36 +00:00
commit be7f501333
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source/bizobjects/AyaLib/GZTW.AyaNova.BLL/RelativeTimeFormatter.cs Normal file
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///////////////////////////////////////////////////////////
// Bool.cs
// Implementation of Class RelativeTimeFormatter
// CSLA type: Read-only object
// Created on: 10-Sept-2005
// Object design: John
// Coded: 10-Sept-2005
///////////////////////////////////////////////////////////
using System;
using System.Data;
using CSLA.Data;
using GZTW.Data;
using CSLA;
using System.Threading;
using CSLA.Security;
using System.Collections;
namespace GZTW.AyaNova.BLL
{
/// <summary>
/// Used to turn a date and time object
/// into a string representation which is localized
/// and relative to current date/time
/// </summary>
[Serializable]
public class RelativeTimeFormatter : ReadOnlyBase
{
// Create a logger for use in this class
//private static readonly log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
#region Attributes
private string mYears="";
private string mMonths="";
private string mWeeks="";
private string mDays="";
private string mHours="";
private string mMinutes="";
private string mSeconds="";
private string mPast="";
private string mFuture="";
#endregion
#region Constructor
/// <summary>
/// Private constructor to prevent direct instantiation
/// </summary>
private RelativeTimeFormatter()
{
}
#endregion
#region Business properties
/// <summary>
/// Convert relative date to string representation
/// </summary>
/// <param name="currentdate">Date used as "now".
/// this is a parameter rather than getting current date/time here
/// because in a lengthy operation it could vary the display incorrectly</param>
/// <param name="displaydate">Date to be reformatted into a relative string</param>
/// <returns>String representation of relative date i.e. "3 days 34 minutes ago"</returns>
public string Format(DateTime currentdate, DateTime displaydate)
{
//take the date relative to now
//and format into the correct string representation
bool bPast=false;
if(currentdate>displaydate)
bPast=true;
int Matches=0;
string strReturn="";
// long years=DateDiff("yyyy",currentdate,displaydate);
//
// if(years!=0)
// {
// strReturn=AyaBizUtils.SS("",abs(years).ToString() + " " + this.mYears," ");
// Matches++;
// currentdate=currentdate.AddYears((int)years);
// }
//
// long months=DateDiff("m",currentdate,displaydate);
// if(months!=0)
// {
// strReturn += AyaBizUtils.SS("",abs(months).ToString() +" " + this.mMonths," ");
// Matches++;
// if(Matches>1) goto Done;
// currentdate=currentdate.AddMonths((int)months);
// }
// long weeks=DateDiff("w",currentdate,displaydate);
// if(weeks!=0)
// {
// strReturn += AyaBizUtils.SS("",weeks.ToString() + " " + this.mWeeks," ");
// Matches++;
// if(Matches>1) goto Done;
// //currentdate=currentdate.AddWeeks(months);
// }
System.TimeSpan ts=currentdate.Subtract(displaydate);
long days=ts.Days;//currentdate.Subtract(displaydate).Days;
if(days!=0)
{
strReturn += AyaBizUtils.SS("",abs(days).ToString() + " " + this.mDays," ");
Matches++;
if(Matches>1) goto Done;
currentdate=currentdate.AddDays(days);
}
long hours=ts.Hours;//currentdate.Subtract(displaydate).Hours;
if(hours!=0)
{
strReturn += AyaBizUtils.SS("",abs(hours).ToString() + " " + this.mHours," ");
Matches++;
if(Matches>1) goto Done;
currentdate=currentdate.AddHours(hours);
}
long minutes=ts.Minutes;//currentdate.Subtract(displaydate).Minutes;
if(minutes!=0)
{
strReturn += AyaBizUtils.SS("",abs(minutes).ToString() + " " + this.mMinutes," ");
Matches++;
if(Matches>1) goto Done;
currentdate=currentdate.AddMinutes(minutes);
}
long seconds=ts.Seconds;//currentdate.Subtract(displaydate).Seconds;
if(seconds!=0)
{
strReturn += AyaBizUtils.SS("",abs(seconds).ToString() + " " + this.mSeconds," ");
}
Done:
strReturn+=" " +(bPast ? this.mPast:this.mFuture);
return strReturn;
}
/// <summary>
/// simple abs function
/// </summary>
/// <param name="lvalue"></param>
/// <returns></returns>
private long abs(long lvalue)
{
if(lvalue>0) return lvalue;
return -lvalue;
}
/// <summary>
/// Convert relative SmartDate to string representation
/// </summary>
/// <param name="currentdate">Date used as "now".
/// this is a parameter rather than getting current date/time here
/// because in a lengthy operation it could vary the display incorrectly</param>
/// <param name="displaydate">Date to be reformatted into a relative string</param>
/// <returns>String representation of relative date i.e. "3 days 34 minutes ago"
/// Or an empty string if the date is empty</returns>
public string Format(DateTime currentdate,SmartDate displaydate)
{
if(displaydate.IsEmpty)
return "";
return Format(currentdate,displaydate.Date);
}
#endregion
#region System.Object overrides
// public override string ToString()
// {
// return mBoolValue.ToString();
// }
//
// ///
// /// <param Bool="obj"></param>
// public override bool Equals(Object obj)
// {
// if ( obj == null || GetType ( ) != obj.GetType ( ) ) return false;
// RelativeTimeFormatter c=(RelativeTimeFormatter)obj;
// return mBoolValue==c.mBoolValue;
// }
//
// public override int GetHashCode()
// {
// return ("Bool" + mBoolValue.ToString()).GetHashCode();
// }
#endregion
#region Static methods
/// <summary>
/// Get all descriptive text for all time spans displayed in AyaNova in one trip to the database
/// </summary>
/// <param name="Language">Locale desired</param>
/// <returns></returns>
public static RelativeTimeFormatter GetItem(string Language)
{
////case 1039 //log.Debug("RelativeTimeFormatter.GetItem("+Language +")");
return (RelativeTimeFormatter)DataPortal.Fetch(new Criteria( Language));
}
#endregion
#region DAL DATA ACCESS
///
/// <param Bool="Criteria"></param>
protected override void DataPortal_Fetch(object Criteria)
{
Criteria crit = (Criteria)Criteria;
SafeDataReader dr = null;
try
{
DBCommandWrapper dbCommandWrapper = DBUtil.DB.GetSqlStringCommandWrapper(
"SELECT aDisplayText, aDisplayTextCustom, aKey FROM aLocalizedText " +
"WHERE (aKey LIKE @PARAM) AND (aLocale = @Locale) " +
"ORDER BY aKey"
);
dbCommandWrapper.AddInParameter("@PARAM",DbType.String,"UI.Label.TimeSpan.%");
dbCommandWrapper.AddInParameter("@Locale",DbType.String,crit.Language);
dr = new SafeDataReader(DBUtil.DB.ExecuteReader(dbCommandWrapper));
string Text="";
string Key="";
while(dr.Read())
{
//*******************************************
//If there is no custom text then add the stock text
if(dr.GetString("aDisplayTextCustom").Length<1)
Text = dr.GetString("aDisplayText");
else//It's custom, add the custom text instead
Text = dr.GetString("aDisplayTextCustom");
Key=dr.GetString("aKey");
switch(Key)
{
case "UI.Label.TimeSpan.Years":
this.mYears=Text;
break;
case "UI.Label.TimeSpan.Months":
this.mMonths=Text;
break;
case "UI.Label.TimeSpan.Weeks":
this.mWeeks=Text;
break;
case "UI.Label.TimeSpan.Days":
this.mDays=Text;
break;
case "UI.Label.TimeSpan.Hours":
this.mHours=Text;
break;
case "UI.Label.TimeSpan.Minutes":
this.mMinutes=Text;
break;
case "UI.Label.TimeSpan.Seconds":
this.mSeconds=Text;
break;
case "UI.Label.TimeSpan.FutureRelative":
this.mFuture=Text;
break;
case "UI.Label.TimeSpan.PastRelative":
this.mPast=Text;
break;
}
//*******************************************
}
}
finally
{
if(dr!=null) dr.Close();
}
}
#endregion
#region criteria
/// <summary>
/// Criteria for identifying existing object
/// </summary>
[Serializable]
private class Criteria
{
public string Language;
public Criteria(string _Language)
{
Language=_Language;
}
}
#endregion
}//end Class
}//end Namespace