using System;

using System.Collections.Generic;

using System.Linq;

​

public class zephyrPatientDataList

{

    public List<zephyrPatientData> patients { get; set; }

    public zephyrPatientDataList CopyWithClaimedScripts() => new()

    {

        patients = patients.Select(p => p.CopyWithClaimedScripts()).ToList()

    };

}

​

public class zephyrPatientData

{

    public int CustomerID { get; set; }

    public int ClaimID { get; set; }

    public string ChemistID { get; set; }

    public string FirstName { get; set; }

    public string LastName { get; set; }        

​

    public List<zDispenseScriptData> scripts{get;set;}      

    public zephyrPatientData CopyWithClaimedScripts()

    {

        return new()

        {

            CustomerID = CustomerID,

            ClaimID = ClaimID,

            ChemistID = ChemistID,

            FirstName = FirstName,

            LastName = LastName,

            scripts = scripts.Where(s => s.claimItem).Select(s => s.Copy()).ToList()

        };

    }

}

​

public class zDispenseScriptData

{

    public bool claimItem  { get; set; }

    public string id { get; set; }

    public zDispenseScriptData Copy()

    {

        return new()

        {

            claimItem = claimItem,

            id = id

        };

    }

}

public class Program

{

    public static void Main()

    {

        zephyrPatientDataList list = new()

        { 

            patients = new()

            {

                new()

                {

                    CustomerID = 1,

                    ClaimID = 2,

                    ChemistID = "Francis",

                    FirstName = "Anna",

                    LastName = "Poulson",

                    scripts = new()

                    {

                        new() { claimItem = false, id = "ABC" },

                        new() { claimItem = false, id = "DEF" },

                        new() { claimItem = true, id = "GHI" },

                        new() { claimItem = false, id = "JKL" },

                        new() { claimItem = true, id = "MNO" },

                        new() { claimItem = false, id = "PQR" },

                    }

                },

                new()

                {

                    CustomerID = 2,

                    ClaimID = 4,

                    ChemistID = "Mary",

                    FirstName = "Peter",

                    LastName = "Drowser",

                    scripts = new()

                    {

                        new() { claimItem = true, id = "ABC" },

                        new() { claimItem = false, id = "DEF" },

                        new() { claimItem = true, id = "GHI" },

                        new() { claimItem = true, id = "JKL" },

                        new() { claimItem = false, id = "MNO" },

                        new() { claimItem = true, id = "PQR" },

                    }

                }

            }

        };

        var newList = list.CopyWithClaimedScripts();

        Console.WriteLine("Patient objects in original list:");

        PrintPatients(list.patients);

        Console.WriteLine("\n\nPatient objects in filtered list:");

        PrintPatients(newList.patients);

    }

    public static void PrintPatients(IEnumerable<zephyrPatientData> patients)

    {

        foreach (var patient in patients)

        {

            Console.WriteLine("=======");

            Console.WriteLine($"Patient {patient.FirstName} {patient.LastName} (ID: {patient.CustomerID}) (Chemist: {patient.ChemistID}) (Claim ID: {patient.ClaimID})");

            foreach (var script in patient.scripts)

            {

                Console.WriteLine($"- Script ID {script.id} ({(script.claimItem ? "claimed" : "not claimed")})");

            }

        }

    }

}