public IRootAccessor <TClass> MapProperties <TProperty>(Expression <Func <TClass, TProperty> > expr,
Expression <Func <TProperty, bool> > includeFilter = null)
where TProperty : class
{
Visit(expr);
var accessor = latestAccessor as IPropertyAccessor <TClass>;
//dupes at this point
if (!_rootAccessor.Properties.Contains(accessor))
{
_rootAccessor.Properties.Add(accessor);
}
if (includeFilter != null)
{
if (latestAccessor is PropertyAccessor <TClass, TProperty> accessorImpl)
{
accessorImpl.AddFilter(includeFilter);
}
else
{
//can type checking be added here?
var propertyAccessor = _rootAccessor.GetByPath(PathWalker.GetPath(expr));
dynamic dynamicAccessor = propertyAccessor;
AddFilterForDynamicType(dynamicAccessor, includeFilter);
}
}
return(_rootAccessor);
}
internal static List <MemberInfo> GetMembers(MemberExpression expr)
{
var walker = new PathWalker();
walker.Visit(expr);
walker._members.Reverse();
return(walker._members);
}
internal static List <string> GetPath(MemberExpression expr)
{
var walker = new PathWalker();
walker.Visit(expr);
walker._members.Reverse();
return(walker._members.Select(x => x.Name).ToList());
}
internal static List <MemberInfo> GetMembers <TEntity, TProperty>(Expression <Func <TEntity, TProperty> > expr)
where TEntity : class
where TProperty : class
{
var walker = new PathWalker();
walker.Visit(expr);
walker._members.Reverse();
return(walker._members);
}
internal static List <string> GetPath <TEntity, TProperty>(Expression <Func <TEntity, TProperty> > expr)
where TEntity : class
where TProperty : class
{
var walker = new PathWalker();
walker.Visit(expr);
walker._members.Reverse();
return(walker._members.Select(x => x.Name).ToList());
}
internal static PropertyAccessor <TEntity, TProperty> Create <TEntity, TProperty>
(MemberExpression exp, IPropertyAccessor parentAccessor, IRootAccessor root)
where TEntity : class
where TProperty : class
{
var pathParts = PathWalker.GetPath(exp);
var newAccessor = root.GetByPath <TEntity, TProperty>(pathParts) ??
new PropertyAccessor <TEntity, TProperty>(exp, root.MappingSchema);
if (parentAccessor != null && !newAccessor.Properties.Contains(parentAccessor))
{
var genericParentAccessor = (IPropertyAccessor <TProperty>)parentAccessor;
newAccessor.PropertiesOfTClass.Add(genericParentAccessor);
}
return(newAccessor);
}
public static bool Set <TClass, TProperty>(Expression <Func <TClass, TProperty> > expr,
Func <IQueryable <TClass>, Expression <Func <TProperty, bool> >, List <TProperty> > queryExecuter,
Func <IQueryable <TClass>, Expression <Func <TProperty, bool> >, IQueryable <TProperty> > reusableQueryBuilder)
where TClass : class
where TProperty : class
{
var memberInfo = PathWalker.GetMembers(expr).LastOrDefault();
if (memberInfo == null)
{
return(false);
}
var cpa = new CustomPropertyAccessor <TClass, TProperty>(
memberInfo.GetHashCode(),
queryExecuter,
reusableQueryBuilder);
return(CustomOverrides.TryAdd(cpa.Key, cpa));
}
