feat: profit report

src/controllers/00-stats-controller.ts

@@ -1,3 +1,4 @@
+import config from "../config.json";
 import {
   Customer,
   CustomerBranch,
@@ -11,9 +12,12 @@ import prisma from "../db";
 import { createPermCondition } from "../services/permission";
 import { RequestWithUser } from "../interfaces/user";
 import { PaymentStatus } from "../generated/kysely/types";
+import { precisionRound } from "../utils/arithmetic";
 
 const permissionCondCompany = createPermCondition((_) => true);
 
+const VAT_DEFAULT = config.vat;
+
 @Route("/api/v1/report")
 @Security("keycloak")
 @Tags("Report")
@@ -127,7 +131,8 @@ export class StatsController extends Controller {
     @Query() startDate?: Date,
     @Query() endDate?: Date,
   ) {
-    const record = await prisma.product.findMany({
+    await prisma.$transaction(async (tx) => {
+      const record = await tx.product.findMany({
         include: {
           quotationProductServiceList: {
             include: {
@@ -173,7 +178,7 @@ export class StatsController extends Controller {
         take: limit,
       });
 
-    const doing = await prisma.quotationProductServiceList.groupBy({
+      const doing = await tx.quotationProductServiceList.groupBy({
         _count: true,
         by: "productId",
         where: {
@@ -202,7 +207,7 @@ export class StatsController extends Controller {
         },
       });
 
-    const order = await prisma.quotationProductServiceList.groupBy({
+      const order = await tx.quotationProductServiceList.groupBy({
         _count: true,
         by: "productId",
         where: {
@@ -224,6 +229,7 @@ export class StatsController extends Controller {
         createdAt: v.createdAt,
         updatedAt: v.updatedAt,
       }));
+    });
   }
 
   @Get("sale")
@@ -306,4 +312,72 @@ export class StatsController extends Controller {
       { byProductGroup: [], bySale: [], byCustomer: [] },
     );
   }
+
+  @Get("profit")
+  async profit(
+    @Request() req: RequestWithUser,
+    @Query() limit?: number,
+    @Query() startDate?: Date,
+    @Query() endDate?: Date,
+  ) {
+    const record = await prisma.quotationProductServiceList.findMany({
+      include: {
+        product: {
+          select: {
+            agentPrice: true,
+            agentPriceCalcVat: true,
+            agentPriceVatIncluded: true,
+            serviceCharge: true,
+            serviceChargeCalcVat: true,
+            serviceChargeVatIncluded: true,
+            price: true,
+            calcVat: true,
+            vatIncluded: true,
+          },
+        },
+        quotation: {
+          select: {
+            agentPrice: true,
+          },
+        },
+      },
+      where: {
+        quotation: {
+          quotationStatus: {
+            in: [
+              QuotationStatus.PaymentInProcess,
+              QuotationStatus.PaymentSuccess,
+              QuotationStatus.ProcessComplete,
+            ],
+          },
+          registeredBranch: {
+            OR: permissionCondCompany(req.user),
+          },
+        },
+      },
+      take: limit,
+    });
+
+    let income = 0;
+    let expenses = 0;
+    let netProfit = 0;
+
+    record.forEach((v) => {
+      const originalPrice = v.product.serviceCharge;
+      const productExpenses = precisionRound(
+        originalPrice + (v.product.serviceChargeVatIncluded ? 0 : originalPrice * VAT_DEFAULT),
+      );
+      const finalPrice = v.pricePerUnit * v.amount * (1 + config.vat);
+
+      income += finalPrice;
+      expenses += productExpenses;
+      netProfit += finalPrice - productExpenses;
+    });
+
+    return {
+      income: precisionRound(income),
+      expenses: precisionRound(expenses),
+      netProfit: precisionRound(netProfit),
+    };
+  }
 }