Files
2026-07-21 13:52:43 +07:00

112 lines
4.1 KiB
C#

using Indotalent.ConfigBackEnd.Extensions;
using Indotalent.Data.Entities;
using Indotalent.Data.Enums;
using Microsoft.EntityFrameworkCore;
namespace Indotalent.Infrastructure.Database.Demo;
public static class PurchaseOrderSeeder
{
public static async Task GenerateDataAsync(AppDbContext context)
{
if (await context.PurchaseOrder.AnyAsync()) return;
var random = new Random();
var entityName = nameof(PurchaseOrder);
var vendors = await context.Vendor.Select(x => x.Id).ToListAsync();
var taxes = await context.Tax.Select(x => x.Id).ToListAsync();
var products = await context.Product.ToListAsync();
if (!vendors.Any() || !taxes.Any() || !products.Any()) return;
var allStatusValues = Enum.GetValues(typeof(PurchaseOrderStatus))
.Cast<PurchaseOrderStatus>()
.ToList();
var nonConfirmedStatusValues = allStatusValues
.Where(x => x != PurchaseOrderStatus.Confirmed)
.ToList();
var dateFinish = DateTime.Now;
var dateStart = new DateTime(dateFinish.AddMonths(-12).Year, dateFinish.AddMonths(-12).Month, 1);
for (DateTime date = dateStart; date < dateFinish; date = date.AddMonths(1))
{
DateTime[] transactionDates = GetRandomDays(date.Year, date.Month, 6);
foreach (DateTime transDate in transactionDates)
{
var autoNo = await context.GenerateAutoNumberAsync(
entityName: entityName,
prefixTemplate: $"{entityName.ToShortNameConsonant(3)}/{{Year}}/"
);
PurchaseOrderStatus selectedStatus;
int probability = random.Next(1, 101);
if (probability <= 90)
{
selectedStatus = PurchaseOrderStatus.Confirmed;
}
else
{
selectedStatus = nonConfirmedStatusValues[random.Next(nonConfirmedStatusValues.Count)];
}
var purchaseOrder = new PurchaseOrder
{
AutoNumber = autoNo,
OrderDate = transDate,
OrderStatus = selectedStatus,
VendorId = GetRandomValue(vendors, random),
TaxId = GetRandomValue(taxes, random),
};
await context.PurchaseOrder.AddAsync(purchaseOrder);
int numberOfProducts = random.Next(3, 6);
for (int i = 0; i < numberOfProducts; i++)
{
var product = products[random.Next(products.Count)];
var quantity = random.Next(20, 50);
var purchaseOrderItem = new PurchaseOrderItem
{
PurchaseOrderId = purchaseOrder.Id,
ProductId = product.Id,
Summary = product.AutoNumber,
UnitPrice = product.UnitPrice,
Quantity = (double)quantity,
Total = product.UnitPrice * (decimal)quantity
};
await context.PurchaseOrderItem.AddAsync(purchaseOrderItem);
}
await context.SaveChangesAsync();
context.RecalculatePurchaseOrder(purchaseOrder.Id);
await context.SaveChangesAsync();
}
}
}
private static T GetRandomValue<T>(List<T> list, Random random)
{
return list[random.Next(list.Count)];
}
private static DateTime[] GetRandomDays(int year, int month, int count)
{
var random = new Random();
int daysInMonthCount = DateTime.DaysInMonth(year, month);
var daysInMonth = Enumerable.Range(1, daysInMonthCount).ToList();
var selectedDays = new List<int>();
for (int i = 0; i < count && daysInMonth.Count > 0; i++)
{
int day = daysInMonth[random.Next(daysInMonth.Count)];
selectedDays.Add(day);
daysInMonth.Remove(day);
}
return selectedDays.Select(day => new DateTime(year, month, day)).ToArray();
}
}