From 00dff0814f39f98420b74177f412dc1262ef23e2 Mon Sep 17 00:00:00 2001
From: Methapon2001 <61303214+Methapon2001@users.noreply.github.com>
Date: Mon, 22 Apr 2024 17:05:08 +0700
Subject: [PATCH] refactor: branch code gen transaction

---
 src/controllers/branch-controller.ts | 59 +++++++++++++++++-----------
 1 file changed, 36 insertions(+), 23 deletions(-)

diff --git a/src/controllers/branch-controller.ts b/src/controllers/branch-controller.ts
index 5a51f7a..d4791a5 100644
--- a/src/controllers/branch-controller.ts
+++ b/src/controllers/branch-controller.ts
@@ -241,33 +241,46 @@ export class BranchController extends Controller {
 
     const year = new Date().getFullYear();
 
-    const last = await prisma.branch.findFirst({
-      orderBy: { createdAt: "desc" },
-      where: { headOfficeId: headOfficeId ?? null },
-    });
+    const record = await prisma.$transaction(
+      async (tx) => {
+        const last = await tx.runningNo.upsert({
+          where: {
+            key: !headOfficeId ? `HQ${year.toString().slice(2)}` : `BR${head?.code.slice(2, 5)}`,
+          },
+          create: {
+            key: !headOfficeId ? `HQ${year.toString().slice(2)}` : `BR${head?.code.slice(2, 5)}`,
+            value: 1,
+          },
+          update: { value: { increment: 1 } },
+        });
 
-    const code = !headOfficeId
-      ? `HQ${year.toString().slice(2)}${+(last?.code.slice(-1) || 0) + 1}`
-      : `BR${head?.code.slice(2, 5)}${(+(last?.code.slice(-2) || 0) + 1).toString().padStart(2, "0")}`;
+        const code = !headOfficeId
+          ? `HQ${year.toString().slice(2)}${last.value}`
+          : `BR${head?.code.slice(2, 5)}${last.value.toString().padStart(2, "0")}`;
 
-    const record = await prisma.branch.create({
-      include: {
-        province: true,
-        district: true,
-        subDistrict: true,
+        return await tx.branch.create({
+          include: {
+            province: true,
+            district: true,
+            subDistrict: true,
+          },
+          data: {
+            ...rest,
+            code,
+            isHeadOffice: !headOfficeId,
+            province: { connect: provinceId ? { id: provinceId } : undefined },
+            district: { connect: districtId ? { id: districtId } : undefined },
+            subDistrict: { connect: subDistrictId ? { id: subDistrictId } : undefined },
+            headOffice: { connect: headOfficeId ? { id: headOfficeId } : undefined },
+            createdBy: req.user.name,
+            updateBy: req.user.name,
+          },
+        });
       },
-      data: {
-        ...rest,
-        code,
-        isHeadOffice: !headOfficeId,
-        province: { connect: provinceId ? { id: provinceId } : undefined },
-        district: { connect: districtId ? { id: districtId } : undefined },
-        subDistrict: { connect: subDistrictId ? { id: subDistrictId } : undefined },
-        headOffice: { connect: headOfficeId ? { id: headOfficeId } : undefined },
-        createdBy: req.user.name,
-        updateBy: req.user.name,
+      {
+        isolationLevel: Prisma.TransactionIsolationLevel.Serializable,
       },
-    });
+    );
 
     if (headOfficeId) {
       await prisma.branch.updateMany({