deduplicate json config file access

apps/backend/src/services/order/kuaishou-cloud-fulfillment-config-service.ts

@@ -1,7 +1,7 @@
-import fs from "node:fs";
 import path from "node:path";
 
 import { PROJECT_ROOT } from "../../config/runtime.js";
+import { readJsonFile, writeJsonFile } from "../../utils/json-file-store.js";
 import { resolveKuaishouEticketShopConfig } from "../platforms/kuaishou-eticket/source-config-service.js";
 
 const KUAISHOU_CLOUD_FULFILLMENT_FILE_PATH = path.join(
@@ -21,16 +21,11 @@ export function getKuaishouCloudFulfillmentConfig() {
 }
 
 export function saveKuaishouCloudFulfillmentConfig(rawValue) {
-  const normalized = normalizeKuaishouCloudFulfillmentConfig(rawValue);
-  fs.mkdirSync(path.dirname(KUAISHOU_CLOUD_FULFILLMENT_FILE_PATH), {
-    recursive: true,
-  });
-  fs.writeFileSync(
+  return writeJsonFile(
     KUAISHOU_CLOUD_FULFILLMENT_FILE_PATH,
-    `${JSON.stringify(normalized, null, 2)}\n`,
-    "utf8"
+    rawValue,
+    normalizeKuaishouCloudFulfillmentConfig
   );
-  return normalized;
 }
 
 export function mapKuaishouCloudFulfillmentItemsToBindings(config: JsonObject = {}) {
@@ -92,20 +87,11 @@ export function mapKuaishouCloudFulfillmentItemsToBindings(config: JsonObject =
 }
 
 function loadKuaishouCloudFulfillmentConfigFromFile() {
-  if (!fs.existsSync(KUAISHOU_CLOUD_FULFILLMENT_FILE_PATH)) {
-    return normalizeKuaishouCloudFulfillmentConfig({});
-  }
-
-  try {
-    const rawText = fs.readFileSync(
-      KUAISHOU_CLOUD_FULFILLMENT_FILE_PATH,
-      "utf8"
-    );
-    const parsed = JSON.parse(rawText);
-    return normalizeKuaishouCloudFulfillmentConfig(parsed);
-  } catch {
-    return normalizeKuaishouCloudFulfillmentConfig({});
-  }
+  return readJsonFile(
+    KUAISHOU_CLOUD_FULFILLMENT_FILE_PATH,
+    () => normalizeKuaishouCloudFulfillmentConfig({}),
+    normalizeKuaishouCloudFulfillmentConfig
+  );
 }
 
 function normalizeKuaishouCloudFulfillmentConfig(rawValue) {