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