public void RefereshText(IUserIdentity user)
{
string _textCache = "";
if (_textCache?.Length == 0 && LogItem != null)
{
var logPrevius = LogItem.GetPrevius();
foreach (var logColumn in LogTable.GetLogColumns())
{
var column = logColumn.BaseColumn;
if ((column.Keys & DBColumnKeys.Stamp) == DBColumnKeys.Stamp)
{
continue;
}
var oldValue = logPrevius?.GetValue(logColumn);
var newValue = LogItem.GetValue(logColumn);
if (DBService.Equal(oldValue, newValue))
{
continue;
}
var oldFormat = column.Access.GetFlag(AccessType.Read, user) ? column.FormatValue(oldValue) : "*****";
var newFormat = column.Access.GetFlag(AccessType.Read, user) ? column.FormatValue(newValue) : "*****";
if (oldValue == null && newValue != null)
{
_textCache += string.Format("{0}: {1}\n", column, newFormat);
}
else if (oldValue != null && newValue == null)
{
_textCache += string.Format("{0}: {1}\n", column, oldFormat);
}
else if (oldValue != null && newValue != null)
{
if ((column.Keys & DBColumnKeys.Access) == DBColumnKeys.Access)
{
string rez = string.Empty;
var oldAcces = new AccessValue((byte[])oldValue);
var newAcces = new AccessValue((byte[])newValue);
foreach (var oAccess in oldAcces.Items)
{
var nAceess = newAcces.Get(oAccess.Group);
if (nAceess.Equals(AccessItem.Empty))
{
rez += string.Format("Remove {0}; ", oAccess);
}
else if (!nAceess.Equals(oAccess))
{
rez += string.Format("Change {0}({1}{2}{3}{4}{5}{6}); ", oAccess.Group,
oAccess.Read != nAceess.Read ? (nAceess.Read ? "+" : "-") + "View " : "",
oAccess.Update != nAceess.Update ? (nAceess.Update ? "+" : "-") + "Edit " : "",
oAccess.Create != nAceess.Create ? (nAceess.Create ? "+" : "-") + "Create " : "",
oAccess.Delete != nAceess.Delete ? (nAceess.Delete ? "+" : "-") + "Delete " : "",
oAccess.Admin != nAceess.Admin ? (nAceess.Admin ? "+" : "-") + "Admin " : "",
oAccess.Accept != nAceess.Accept ? (nAceess.Accept ? "+" : "-") + "Accept" : "");
}
}
foreach (var nAccess in newAcces.Items)
{
var access = oldAcces.Get(nAccess.Group);
if (!access.Equals(AccessItem.Empty))
{
rez += string.Format("New {0}; ", nAccess);
}
}
_textCache += string.Format("{0}: {1}", column, rez);
}
else if (column.DataType == typeof(string))
{
var diffs = DiffResult.DiffLines(oldFormat, newFormat);
var buf = new StringBuilder();
foreach (var diff in diffs)
{
string val = diff.Result.Trim();
if (val.Length > 0)
{
buf.AppendLine(string.Format("{0} {1} at {2};", diff.Type, val, diff.Index, diff.Index));
}
}
_textCache += string.Format("{0}: {1}\r\n", column, buf);
}
else
{
_textCache += string.Format("{0}: Old:{1} New:{2}\r\n", column, oldFormat, newFormat);
}
}
}
}
}