initial commit

2026-07-21 14:28:43 +07:00
commit 01107db6fd
995 changed files with 75124 additions and 0 deletions
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+using Indotalent.ConfigBackEnd.Extensions;
+using Indotalent.Data.Entities;
+using Indotalent.Data.Enums;
+using Microsoft.EntityFrameworkCore;
+
+namespace Indotalent.Infrastructure.Database.Demo;
+
+public static class PurchaseRequisitionSeeder
+{
+    public static async Task GenerateDataAsync(AppDbContext context)
+    {
+        if (await context.PurchaseRequisition.AnyAsync()) return;
+
+        var random = new Random();
+        var entityName = nameof(PurchaseRequisition);
+        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 dateFinish = DateTime.Now;
+        var dateStart = new DateTime(dateFinish.AddMonths(-11).Year, dateFinish.AddMonths(-11).Month, 1);
+
+        for (DateTime date = dateStart; date <= dateFinish; date = date.AddMonths(1))
+        {
+            DateTime[] requisitionDates = GetRandomDays(date.Year, date.Month, 4);
+
+            foreach (var requisitionDate in requisitionDates)
+            {
+                var status = GetRandomStatus(random);
+
+                var autoNo = await context.GenerateAutoNumberAsync(
+                    entityName: entityName,
+                    prefixTemplate: $"{entityName.ToShortNameConsonant(3)}/{{Year}}/"
+                );
+
+                var purchaseRequisition = new PurchaseRequisition
+                {
+                    AutoNumber = autoNo,
+                    RequisitionDate = requisitionDate,
+                    RequisitionStatus = status,
+                    Description = $"Requisition for {requisitionDate:MMMM yyyy}",
+                    VendorId = GetRandomValue(vendors, random),
+                    TaxId = GetRandomValue(taxes, random),
+                };
+                await context.PurchaseRequisition.AddAsync(purchaseRequisition);
+
+                int numberOfItems = random.Next(2, 5);
+                for (int i = 0; i < numberOfItems; i++)
+                {
+                    var qty = (double)random.Next(2, 5);
+                    var product = products[random.Next(products.Count)];
+
+                    var purchaseRequisitionItem = new PurchaseRequisitionItem
+                    {
+                        PurchaseRequisitionId = purchaseRequisition.Id,
+                        ProductId = product.Id,
+                        Summary = product.AutoNumber,
+                        UnitPrice = product.UnitPrice,
+                        Quantity = qty,
+                        Total = (product.UnitPrice ?? 0m) * (decimal)qty
+                    };
+                    await context.PurchaseRequisitionItem.AddAsync(purchaseRequisitionItem);
+                }
+
+                await context.SaveChangesAsync();
+                context.RecalculatePurchaseRequisition(purchaseRequisition.Id);
+                await context.SaveChangesAsync();
+            }
+        }
+    }
+
+    private static PurchaseRequisitionStatus GetRandomStatus(Random random)
+    {
+        var statuses = new[] {
+            PurchaseRequisitionStatus.Draft,
+            PurchaseRequisitionStatus.Cancelled,
+            PurchaseRequisitionStatus.Confirmed,
+            PurchaseRequisitionStatus.Ordered
+        };
+        var weights = new[] { 1, 1, 4, 1 };
+
+        int totalWeight = weights.Sum();
+        int randomNumber = random.Next(0, totalWeight);
+
+        for (int i = 0; i < statuses.Length; i++)
+        {
+            if (randomNumber < weights[i]) return statuses[i];
+            randomNumber -= weights[i];
+        }
+
+        return PurchaseRequisitionStatus.Confirmed;
+    }
+
+    private static string GetRandomValue(List<string> 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();
+    }
+}