feat: employee history

prisma/schema.prisma

@@ -472,6 +472,20 @@ model Employee {
   employeeCheckup   EmployeeCheckup[]
   employeeWork      EmployeeWork[]
   employeeOtherInfo EmployeeOtherInfo[]
+
+  editHistory EmployeeHistory[]
+}
+
+model EmployeeHistory {
+  id          String @id @default(uuid())
+  field       String
+  valueBefore Json
+  valueAfter  Json
+
+  timestamp DateTime @default(now())
+
+  masterId String
+  master   Employee @relation(fields: [masterId], references: [id], onDelete: Cascade)
 }
 
 model EmployeeCheckup {

src/controllers/employee-controller.ts

@@ -635,6 +635,32 @@ export class EmployeeController extends Controller {
       });
     });
 
+    const historyEntries: { field: string; valueBefore: string; valueAfter: string }[] = [];
+
+    for (const k of Object.keys(body)) {
+      const field = k as keyof typeof body;
+
+      if (field === "employeeCheckup") continue;
+      if (field === "employeeOtherInfo") continue;
+      if (field === "employeeWork") continue;
+
+      let valueBefore = employee[field];
+      let valueAfter = body[field];
+
+      if (valueBefore === undefined && valueAfter === undefined) continue;
+
+      if (valueBefore instanceof Date) valueBefore = valueBefore.toISOString();
+      if (valueBefore === null || valueBefore === undefined) valueBefore = "";
+      if (valueAfter instanceof Date) valueAfter = valueAfter.toISOString();
+      if (valueAfter === null || valueAfter === undefined) valueAfter = "";
+
+      if (valueBefore !== valueAfter) historyEntries.push({ field, valueBefore, valueAfter });
+    }
+
+    await prisma.employeeHistory.createMany({
+      data: historyEntries.map((v) => ({ ...v, masterId: employee.id })),
+    });
+
     return Object.assign(record, {
       profileImageUrl: await presignedGetObjectIfExist(
         MINIO_BUCKET,
@@ -663,4 +689,11 @@ export class EmployeeController extends Controller {
 
     return await prisma.employee.delete({ where: { id: employeeId } });
   }
+
+  @Get("{employeeId}/edit-history")
+  async editHistory(@Path() employeeId: string) {
+    return await prisma.employeeHistory.findMany({
+      where: { masterId: employeeId },
+    });
+  }
 }