/// <summary>
/// Create mapping rule to explicitly assign value to destination property
/// </summary>
/// <param name="destinationExpression">Expression for property to be set in destination type</param>
/// <param name="value">Value to assign</param>
/// <param name="condition">Conditition to be evaluated for determening if values should be set</param>
/// <returns>Current instance of WaylessMap</returns>
public ISetRuleBuilder <TDestination, TSource> FieldSet(Expression <Func <TDestination, object> > destinationExpression
, object value
, Expression <Func <TSource, bool> > setCondition)
{
var destination = GetMemberName(destinationExpression);
if (!FieldSkips.Contains(destination))
{
IsFinalized = false;
var expression = ExpressionBuilder.GetMapExressionForExplicitSet(destinationExpression, value, setCondition);
RegisterFieldExpression(destination, expression);
}
return(this);
}
/// <summary>
/// Create mapping rule for properties to be skipped in destination type
/// </summary>
/// <param name="ignoreAtDestinationExpression">Expression for property to be skipped in destination type</param>
/// <returns>Current instance of WaylessMap</returns>
public ISetRuleBuilder <TDestination, TSource> FieldSkip(Expression <Func <TDestination, object> > skipperName)
{
var ignore = GetMemberName(skipperName);
if (!FieldSkips.Contains(ignore))
{
IsFinalized = false;
FieldSkips.Add(ignore);
}
if (FieldExpressions.ContainsKey(ignore))
{
FieldExpressions.Remove(ignore);
}
return(this);
}
/// <summary>
/// Performs call to MatchMaker if AutoMatchMembres is True
/// </summary>
public void FinalizeRules()
{
if (AutoMatchMembers)
{
if (MatchMaker == null)
{
throw new NullReferenceException(nameof(MatchMaker));
}
var unmappedDestinations = DestinationFields.Where(x => !FieldExpressions.Keys.Contains(x.Key) &&
!FieldSkips.Contains(x.Key))
.Select(x => x.Value)
.ToList();
var matchedPairs = MatchMaker.FindMemberPairs(unmappedDestinations, SourceFields.Values);
foreach (var pair in matchedPairs)
{
var expression = ExpressionBuilder.GetMapExpression <TSource>(pair.DestinationMember, pair.SourceMember);
FieldExpressions.Add(pair.DestinationMember.Name, expression);
}
}
IsFinalized = true;
}
