internal static Expression <Func <TContainer, bool> > ComposeContainerProperty <TContainer, TProperty>(
Expression <Func <TProperty, bool> > predicate,
string propertyName)
{
var parameterExpression = Expression.Parameter(typeof(TContainer), "x");
var propertyExpression = Expression.Property(parameterExpression, propertyName);
var rewriter = new PredicateRewriter()
{
NewExpression = propertyExpression
};
var newBody = rewriter.Visit(predicate.Body);
return(Expression.Lambda <Func <TContainer, bool> >(newBody, new[] { parameterExpression }));
}
public IQueryable <ModelBuildAttempt> Filter(IQueryable <ModelBuildAttempt> query) =>
Filter(
query,
x => PredicateRewriter.ComposeContainerProperty <ModelBuildAttempt, ModelBuild>(x, nameof(ModelBuildAttempt.ModelBuild)));
public IQueryable <ModelTimelineIssue> Filter(IQueryable <ModelTimelineIssue> query) =>
Filter(
query,
x => PredicateRewriter.ComposeContainerProperty <ModelTimelineIssue, ModelBuild>(x, nameof(ModelTimelineIssue.ModelBuild)));