feat: create branch endpoint

src/controllers/branch/branch-controller.ts

@@ -105,6 +105,41 @@ export class BranchController extends Controller {
     });
   }
 
+  @Post()
+  async createBranch(@Request() req: RequestWithUser, @Body() body: BranchCreate) {
+    if (body.provinceId || body.districtId || body.subDistrictId || body.headOfficeId) {
+      const [province, district, subDistrict, branch] = await prisma.$transaction([
+        prisma.province.findFirst({ where: { id: body.provinceId || undefined } }),
+        prisma.district.findFirst({ where: { id: body.districtId || undefined } }),
+        prisma.subDistrict.findFirst({ where: { id: body.subDistrictId || undefined } }),
+        prisma.branch.findFirst({ where: { id: body.headOfficeId || undefined } }),
+      ]);
+      if (body.provinceId && !province)
+        throw new HttpError(HttpStatus.BAD_REQUEST, "Province cannot be found.");
+      if (body.districtId && !district)
+        throw new HttpError(HttpStatus.BAD_REQUEST, "District cannot be found.");
+      if (body.subDistrictId && !subDistrict)
+        throw new HttpError(HttpStatus.BAD_REQUEST, "Sub-district cannot be found.");
+      if (body.headOfficeId && !branch)
+        throw new HttpError(HttpStatus.BAD_REQUEST, "Head branch cannot be found.");
+    }
+
+    const { provinceId, districtId, subDistrictId, headOfficeId, ...rest } = body;
+
+    return await prisma.branch.create({
+      data: {
+        ...rest,
+        isHeadOffice: headOfficeId === null,
+        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,
+      },
+    });
+  }
+
   @Delete("{branchId}")
   async deleteBranch(@Path() branchId: string) {
     const record = await prisma.branch.findFirst({ where: { id: branchId } });