feat(FE-284): Slicing and API Integration Perhitungan Sapronak

src/services/api/closing.ts

@@ -1,6 +1,7 @@
+import DUMMY_SAPRONAK_CALCULATION from '@/dummy/closing.dummy';
 import { BaseApiService } from './base';
 import { BaseApiResponse } from '@/types/api/api-general';
-import { ClosingSales } from '@/types/api/closing/closing';
+import { ClosingSales, SapronakCalculation } from '@/types/api/closing/closing';
 
 export class ClosingApiService extends BaseApiService<
   ClosingSales,
@@ -23,6 +24,38 @@ export class ClosingApiService extends BaseApiService<
       return undefined;
     }
   }
+
+  async getPerhitunganSapronak(
+    projectFlockId: number
+  ): Promise<BaseApiResponse<SapronakCalculation> | undefined> {
+    // Dummy implementation - simulate API call with delay
+    return new Promise((resolve) => {
+      setTimeout(() => {
+        resolve({
+          code: 200,
+          status: 'success',
+          message: 'Retrieved sapronak calculation successfully',
+          data: DUMMY_SAPRONAK_CALCULATION,
+        });
+      }, 500); // Simulate 500ms network delay
+    });
+
+    /* 
+    // Real API implementation - uncomment when backend is ready
+    try {
+      const path = `${this.basePath}/${projectFlockId}/perhitungan_sapronak`;
+      
+      return await httpClient<BaseApiResponse<SapronakCalculation>>(path, {
+        method: 'GET',
+      });
+    } catch (error: unknown) {
+      if (axios.isAxiosError<BaseApiResponse<SapronakCalculation>>(error)) {
+        return error.response?.data;
+      }
+      return undefined;
+    }
+    */
+  }
 }
 
 export const ClosingApi = new ClosingApiService('/closings');