Update dashboard

2026-10-19 15:48:45 +05:30
parent 2fe2ba007c
commit 2d6723a040
6 changed files with 333 additions and 0 deletions
@@ -0,0 +1,83 @@
+namespace Distribution.Features.DashboardReport;
+
+public class DashboardReportService(IDashboardReportRepository repo)
+{
+    public const int MaxRangeDays = 366;
+    private const int DailyGranularityMaxDays = 62;
+
+    public static DashboardFilter BuildFilter(DateTime? from, DateTime? to, Guid? regionId, Guid? categoryId, Guid? warehouseId)
+    {
+        var end = (to ?? DateTime.Now).Date;
+        var start = (from ?? end.AddDays(-29)).Date;
+        return new DashboardFilter(start, end, regionId, categoryId, warehouseId);
+    }
+
+    public static string? Validate(DashboardFilter f)
+    {
+        if (f.To < f.From) return "'to' must not be before 'from'.";
+        if ((f.To - f.From).TotalDays > MaxRangeDays) return $"Date range cannot exceed {MaxRangeDays} days.";
+        return null;
+    }
+
+    private static bool Daily(DashboardFilter f) => (f.To - f.From).TotalDays <= DailyGranularityMaxDays;
+
+    private static string Bucket(DateTime d, bool daily) => daily ? d.ToString("yyyy-MM-dd") : d.ToString("yyyy-MM");
+
+    private static SalesKpis ToKpis(SalesTotals t)
+    {
+        var net = t.GrossSales - t.ReturnValue;
+        var gp = t.CostedSales - t.CostOfSales;
+        return new SalesKpis(
+            t.GrossSales, t.ReturnValue, net, t.Orders,
+            t.Orders > 0 ? Math.Round(t.GrossSales / t.Orders, 2) : 0m,
+            gp, t.CostedSales > 0 ? Math.Round(gp / t.CostedSales * 100, 2) : null);
+    }
+
+    public async Task<SalesSummaryResponse> GetSalesSummaryAsync(DashboardFilter f)
+    {
+        var days = (f.To - f.From).Days + 1;
+        var prev = f with { From = f.From.AddDays(-days), To = f.From.AddDays(-1) };
+        var daily = Daily(f);
+
+        var current = await repo.GetSalesTotalsAsync(f);
+        var previous = await repo.GetSalesTotalsAsync(prev);
+        var sales = await repo.GetDailySalesAsync(f);
+        var returns = await repo.GetDailyReturnsAsync(f);
+
+        var trend = sales.Select(s => (s.Date, Sales: s.Amount, Returns: 0m))
+            .Concat(returns.Select(r => (r.Date, Sales: 0m, Returns: r.Amount)))
+            .GroupBy(x => Bucket(x.Date, daily))
+            .OrderBy(g => g.Key)
+            .Select(g => new TrendPoint(g.Key, g.Sum(x => x.Sales), g.Sum(x => x.Returns)))
+            .ToList();
+
+        static NamedAmount Map(GroupAggregate g) => new(g.Key, g.Name, g.Amount);
+        return new SalesSummaryResponse(
+            f.From, f.To, daily ? "day" : "month",
+            new SalesKpiComparison(ToKpis(current), ToKpis(previous), prev.From, prev.To),
+            trend,
+            (await repo.GetSalesByCategoryAsync(f)).Select(Map).ToList(),
+            (await repo.GetSalesByRegionAsync(f)).Select(Map).ToList(),
+            (await repo.GetSalesByRepAsync(f)).Select(Map).ToList());
+    }
+
+    public async Task<InventorySummaryResponse> GetInventorySummaryAsync(DashboardFilter f)
+    {
+        var daily = Daily(f);
+        var movements = (await repo.GetDailyMovementsAsync(f))
+            .GroupBy(m => Bucket(m.Date, daily))
+            .OrderBy(g => g.Key)
+            .Select(g =>
+            {
+                var rec = g.Sum(x => x.Received);
+                var iss = g.Sum(x => x.Issued);
+                return new MovementPoint(g.Key, rec, iss, rec - iss);
+            }).ToList();
+
+        return new InventorySummaryResponse(
+            f.From, f.To, daily ? "day" : "month",
+            await repo.GetStockValueByCategoryAsync(f),
+            await repo.GetStockByWarehouseAsync(f),
+            movements);
+    }
+}