private Expression <Func <TRole, TValue> > GetRoleLambda <TValue>(Mapper.RoleColumnType columnType)
{
var param = Expression.Parameter(RoleType, "p");
var memberAccess = RoleHelper.GetMemberAccess(param, columnType);
return(Expression.Lambda <Func <TRole, TValue> >(memberAccess, param));
}
private Expression <Func <TRole, bool> > GetRoleLambda(Mapper.RoleColumnType columnType, object value, bool appFilter)
{
var param = Expression.Parameter(RoleType, "p");
var memberAccess = RoleHelper.GetMemberAccess(param, columnType);
var content = Expression.Constant(value);
var equal = Expression.Equal(memberAccess, content);
//if (appFilter && Provider.SupportApplication) {
// var appMember = RoleHelper.GetMemberAccess(param, Mapper.RoleColumnType.Application);
// var appName = Expression.Property(appMember, "Name");
// var appCheck = Expression.Equal(appName, Expression.Constant(Provider.ApplicationName));
// return Expression.Lambda<Func<TRole, bool>>(Expression.And(equal, appCheck), param);
//}
return(Expression.Lambda <Func <TRole, bool> >(equal, param));
}
private Expression <Func <TRole, bool> > GetRoleContainsLambda(Mapper.RoleColumnType columnType, IEnumerable <TRoleKey> value, bool appFilter)
{
var param = Expression.Parameter(RoleType, "p");
var memberAccess = RoleHelper.GetMemberAccess(param, columnType);
if (containsMethod_TRoleKey == null)
{
var type = typeof(System.Linq.Enumerable);
containsMethod_TRoleKey = type.GetMethods().First(f => f.Name.Equals("Contains")).MakeGenericMethod(typeof(TRoleKey));
}
var call = Expression.Call(null, containsMethod_TRoleKey, Expression.Constant(value), memberAccess);
if (appFilter && Provider.SupportApplication)
{
var appMember = RoleHelper.GetMemberAccess(param, Mapper.RoleColumnType.Application);
var appName = Expression.Property(appMember, "Name");
var appCheck = Expression.Equal(appName, Expression.Constant(Provider.ApplicationName));
return(Expression.Lambda <Func <TRole, bool> >(Expression.And(call, appCheck), param));
}
return(Expression.Lambda <Func <TRole, bool> >(call, param));
}
private Expression <Func <TRole, bool> > GetRoleLambda(Mapper.RoleColumnType columnType, object value)
{
return(GetRoleLambda(columnType, value, false));
}