/// <summary>
/// Generates the next auto number based on the date, and the specified
/// entity.
/// </summary>
/// <param name="date"></param>
/// <param name="entity"></param>
public string GenerateNextAutoNumber <T>(DateTime date, T entity) where T : BaseEntity
{
//The separators must be / or -
char[] separators = new char[] { '/', '-' };
// Gets the entity type of the entity.
string entityType = typeof(T).Name;
AutoNumber autoNumber = _autoNumberRepository.GetAll().Where(r => r.EntityType == entityType).FirstOrDefault();
int nextNumber = GenerateNextNumber(autoNumber);
//default the format string {0:000000}
if (autoNumber == null)
{
return(string.Format("{0:000000}", nextNumber));
}
var formatString = autoNumber.FormatString;
//The current separator is using in this autoNumber
var separator = formatString.Contains(separators[0]) ? separators[0] : separators[1];
string[] formatStringSections = formatString.Split(separators);
StringBuilder result = new StringBuilder();
foreach (var s in formatStringSections)
{
//format entity
if (s.Contains("e:"))
{
string entityPropertyValue = FleeExpression.Evaluate(entity, "entity." + s.Replace(" ", "").Replace("e:", "")).ToString();
result.Append(entityPropertyValue);
}
//format date
else if (s.Contains("d:"))
{
string dateFormat = GetFormat(s, "d:");
result.Append(string.Format(dateFormat, date));
}
//format number
else if (s.Contains("n:"))
{
//update the last number for this entity
autoNumber.LastNumber = nextNumber;
_autoNumberRepository.UpdateAndCommit(autoNumber);
string numberFormat = GetFormat(s, "n:");
result.Append(string.Format(numberFormat, nextNumber));
}
//label
else
{
result.Append(s);
}
result.Append(separator);
}
//remove the last character "/" from result
return(result.Remove(result.Length - 1, 1).ToString());
}
private long ValidateACExpression(AuditEntity auditEntity, string expression)
{
long result = 0;
// get key
long id = (long)auditEntity.Keys.SingleOrDefault(k => k.Name == "Id").Value;
BaseEntity entity = this.GetByEntityIdAndType(id, auditEntity.EntityType.Name) as BaseEntity;
bool isMatch = FleeExpression.Evaluate <bool>(entity, expression);
if (isMatch == true)
{
result = id;
}
return(result);
}