private LinqQueryExpression <TEntity> IsInCall <TEntity>(MethodCallExpression methodCallExpression,
ExpressionConversionVisitor <TEntity> expressionConverter)
where TEntity : class
{
var expression = expressionConverter.Visit(methodCallExpression.Arguments[1]) as LinqQueryExpression <TEntity>;
var value = expressionConverter.Visit(methodCallExpression.Arguments[2]) as LinqQueryExpression <TEntity>;
if (value.QueryExpression is ValueParameterQueryExpression valueQueryExpression &&
valueQueryExpression.Value is IEnumerable valueEnumerable)
{
var valueExpressions = new List <QueryExpression>();
foreach (var o in valueEnumerable)
{
valueExpressions.Add(ORMQueryExpressions.Value(o));
}
return(new LinqQueryExpression <TEntity>(
QueryExpression.IsIn(
expression.QueryExpression,
valueExpressions.ToArray()
),
expression.JoinBuilders));
}
return(new LinqQueryExpression <TEntity>(
QueryExpression.IsIn(
expression.QueryExpression,
value.QueryExpression
),
expression.JoinBuilders));
}
private LinqQueryExpression <TEntity> IsLikeCall <TEntity>(MethodCallExpression methodCallExpression,
ExpressionConversionVisitor <TEntity> expressionConverter)
where TEntity : class
{
var expression = expressionConverter.Visit(methodCallExpression.Arguments[1]) as LinqQueryExpression <TEntity>;
var value = expressionConverter.Visit(methodCallExpression.Arguments[2]) as LinqQueryExpression <TEntity>;
return(new LinqQueryExpression <TEntity>(
QueryExpression.Like(
expression.QueryExpression,
value.QueryExpression
),
expression.JoinBuilders
));
}
private LinqQueryExpression <TEntity> HasFlagCall <TEntity>(MethodCallExpression methodCallExpression,
ExpressionConversionVisitor <TEntity> expressionConverter)
where TEntity : class
{
var expression = expressionConverter.Visit(methodCallExpression.Arguments[1]) as LinqQueryExpression <TEntity>;
var value = expressionConverter.Visit(methodCallExpression.Arguments[2]) as LinqQueryExpression <TEntity>;
return(new LinqQueryExpression <TEntity>(
QueryExpression.AreEqual(
QueryExpression.And(expression.QueryExpression, value.QueryExpression),
value.QueryExpression
),
(expression.JoinBuilders ?? JoinBuilder <TEntity> .Empty).Concat(
value.JoinBuilders ?? JoinBuilder <TEntity> .Empty
)));
}
private LinqQueryExpression <TEntity> CountCall <TEntity>(MethodCallExpression methodCallExpression,
ExpressionConversionVisitor <TEntity> expressionConverter)
where TEntity : class
{
if (methodCallExpression.Arguments.Count < 2)
{
return(new LinqQueryExpression <TEntity>(
QueryExpression.Count()
));
}
var expression = expressionConverter.Visit(methodCallExpression.Arguments[1]) as LinqQueryExpression <TEntity>;
return(new LinqQueryExpression <TEntity>(
QueryExpression.Count(expression.QueryExpression),
expression.JoinBuilders
));
}
