public static IIncludableSpecificationBuilder <T, TProperty> Include <T, TProperty>(
this ISpecificationBuilder <T> specificationBuilder,
Expression <Func <T, TProperty> > includeExpression)
{
var aggregator = new IncludeAggregator((includeExpression.Body as MemberExpression)?.Member?.Name);
var includeBuilder = new IncludableSpecificationBuilder <T, TProperty>(specificationBuilder.Specification, aggregator);
((List <IIncludeAggregator>)specificationBuilder.Specification.IncludeAggregators).Add(aggregator);
return(includeBuilder);
}
public static IIncludableSpecificationBuilder <T, TProperty> Include <T, TProperty>(
this ISpecificationBuilder <T> specificationBuilder,
Expression <Func <T, TProperty> > includeExpression) where T : class
{
var info = new IncludeExpressionInfo(includeExpression, typeof(T), typeof(TProperty));
((List <IncludeExpressionInfo>)specificationBuilder.Specification.IncludeExpressions).Add(info);
var includeBuilder = new IncludableSpecificationBuilder <T, TProperty>(specificationBuilder.Specification);
return(includeBuilder);
}
public static IIncludableSpecificationBuilder <TEntity, TProperty> ThenInclude <TEntity, TPreviousProperty, TProperty>(
this IIncludableSpecificationBuilder <TEntity, TPreviousProperty> previousBuilder,
Expression <Func <TPreviousProperty, TProperty> > thenIncludeExpression)
where TEntity : class
{
var info = new IncludeExpressionInfo(thenIncludeExpression, typeof(TEntity), typeof(TProperty), typeof(TPreviousProperty));
((List <IncludeExpressionInfo>)previousBuilder.Specification.IncludeExpressions).Add(info);
var includeBuilder = new IncludableSpecificationBuilder <TEntity, TProperty>(previousBuilder.Specification);
return(includeBuilder);
}
public static IIncludableSpecificationBuilder <TEntity, TProperty> ThenInclude <TEntity, TPreviousProperty, TProperty>(
this IIncludableSpecificationBuilder <TEntity, IEnumerable <TPreviousProperty> > previousBuilder,
Expression <Func <TPreviousProperty, TProperty> > thenIncludeExpression,
bool condition)
where TEntity : class
{
if (condition && !previousBuilder.IsChainDiscarded)
{
var info = new IncludeExpressionInfo(thenIncludeExpression, typeof(TEntity), typeof(TProperty), typeof(IEnumerable <TPreviousProperty>));
((List <IncludeExpressionInfo>)previousBuilder.Specification.IncludeExpressions).Add(info);
}
var includeBuilder = new IncludableSpecificationBuilder <TEntity, TProperty>(previousBuilder.Specification, !condition || previousBuilder.IsChainDiscarded);
return(includeBuilder);
}
