public async Task <IPaged <Role> > PagedAsync(RoleQueryParameter param, int pageIndex, int pageSize)
{
//if (param == null)
// throw new ArgumentNullException(nameof(param));
//if (param.Code == null || param.Name == null)
// throw new ArgumentNullException(($"{nameof(param.Code)} & {nameof(param.Name)}"));
Expression <Func <Role, bool> > query = null;
if (param != null && param.Code != null && param.Name != null)
{
query = e => e.Code.StartsWith(param.Code) && e.Title.StartsWith(param.Name);
}
else if (param != null && param.Code != null)
{
query = e => e.Code.StartsWith(param.Code);
}
else if (param != null && param.Name != null)
{
query = e => e.Title.StartsWith(param.Name);
}
else
{
query = e => true;
}
return(await base.PagedAsync(query, pageIndex, pageSize));
}
public async Task <List <Role> > RetrieveAsync(RoleQueryParameter param)
{
Expression <Func <Role, bool> > query = null;
if (param.Code != null && param.Name != null)
{
query = e => e.Code.StartsWith(param.Code) && e.Title.StartsWith(param.Name);
}
else if (param.Code != null)
{
query = e => e.Code.StartsWith(param.Code);
}
else if (param.Name != null)
{
query = e => e.Title.StartsWith(param.Name);
}
else
{
query = e => true;
}
var list = (await base.SelectAsync(query)).ToList();
return(list);
}
