Backend-Api/Company.Domain/FinancialInvoiceAgg/FinancialInvoice.cs

using System;
using System.Collections.Generic;
using System.Runtime;
using _0_Framework.Domain;
using Company.Domain.FinancialStatmentAgg;
using Company.Domain.FinancialTransactionAgg;
using Company.Domain.PaymentTransactionAgg;
using CompanyManagment.App.Contracts.FinancialInvoice;

namespace Company.Domain.FinancialInvoiceAgg;

public class FinancialInvoice : EntityBase
{

	public string Description { get; set; }
	public FinancialInvoiceStatus Status { get; private set; }
	public DateTime? PaidAt { get; private set; }
	public double Amount { get; private set; }
	public Guid PublicId { get; private set; }
	public bool IsActive { get; set; }

	public List<PaymentTransaction> PaymentTransactions { get; private set; } 
	public long ContractingPartyId { get; private set; }

	public List<FinancialInvoiceItem> Items { get; private set; }

	public FinancialInvoice(double amount, long contractingPartyId, string description)
	{
		Status = FinancialInvoiceStatus.Unpaid;
		Amount = amount;
		PublicId = Guid.NewGuid();
		ContractingPartyId = contractingPartyId;
		Description = description;
		IsActive = true;
		Items = [];
		PaymentTransactions = [];
	}

	public void AddItem(FinancialInvoiceItem item)
	{
		Items ??= [];

		Items.Add(item);
	}

	public void SetItems(List<FinancialInvoiceItem> items)
	{
		Items = items;
	}

	public void SetPaid(DateTime paidAt)
	{
		Status = FinancialInvoiceStatus.Paid;
		PaidAt = paidAt;
	}
	public void SetUnpaid()
	{
		Status = FinancialInvoiceStatus.Unpaid;
		PaidAt = null;
	}
	public void SetCancelled()
	{
		Status = FinancialInvoiceStatus.Cancelled;
		PaidAt = null;
	}
	public void SetRefunded()
	{
		Status = FinancialInvoiceStatus.Refunded;
		PaidAt = null;
	}

	public void DeActivate()
	{
		IsActive = false;
	}

}

public class FinancialInvoiceItem : EntityBase
{

	public string Description { get; private set; }
	public double Amount { get; private set; }
	public FinancialInvoiceItemType Type { get; set; }
	public long EntityId { get; set; }
	public FinancialInvoice FinancialInvoice { get; set; }
	public long FinancialInvoiceId { get; set; }
	public FinancialInvoiceItem(string description, double amount, long financialInvoiceId, FinancialInvoiceItemType type, long entityId)
	{
		Description = description;
		Amount = amount;
		FinancialInvoiceId = financialInvoiceId;
		Type = type;
		EntityId = entityId;
	}
}