//todo properly handle deletable and expirable
public void Remove(SpecificationBase <T> specification)
{
if (specification == null)
{
throw new ArgumentNullException(nameof(specification));
}
_dbSet.RemoveRange(_dbSet.Where(specification.ToExpression())
.Select(x => x));
}
public override Expression <Func <T, bool> > ToExpression()
{
var leftExpression = _left.ToExpression();
var rightExpression = _right.ToExpression();
var paramExpr = Expression.Parameter(typeof(T));
var exprBody = Expression.OrElse(leftExpression.Body, rightExpression.Body);
exprBody = (BinaryExpression) new ParameterReplacer(paramExpr).Visit(exprBody);
var finalExpr = Expression.Lambda <Func <T, bool> >(exprBody, paramExpr);
return(finalExpr);
}
public override Expression <Func <T, bool> > ToExpression()
{
var specExpression = _spec.ToExpression();
var paramExpr = Expression.Parameter(typeof(T));
var exprBody = Expression.Not(specExpression.Body);
var visitedExpr = new ParameterReplacer(paramExpr).Visit(exprBody);
var finalExpr = Expression.Lambda <Func <T, bool> >(visitedExpr, paramExpr);
return(finalExpr);
}
public override Expression <Func <T, bool> > ToExpression()
{
var specExpression = _spec.ToExpression();
var paramExpr = Expression.Parameter(typeof(T));
var exprBody = Expression.Not(specExpression.Body);
var visitedExpr = new ParameterReplacer(paramExpr).Visit(exprBody);
if (visitedExpr == null)
{
throw new NotSupportedException("ExprBody null");
}
var finalExpr = Expression.Lambda <Func <T, bool> >(visitedExpr, paramExpr);
return(finalExpr);
}
public override Expression <Func <T, bool> > ToExpression()
{
var leftExpression = _left.ToExpression();
var rightExpression = _right.ToExpression();
var paramExpr = Expression.Parameter(typeof(T));
var exprBody = Expression.OrElse(leftExpression.Body, rightExpression.Body);
exprBody = (BinaryExpression) new ParameterReplacer(paramExpr).Visit(exprBody);
if (exprBody == null)
{
throw new NotSupportedException("ExprBody null");
}
var finalExpr = Expression.Lambda <Func <T, bool> >(exprBody, paramExpr);
return(finalExpr);
}