Centralized SMS services YARA-834

src/sms-orchestration/provider/kavenegar-response.ts

@@ -0,0 +1,78 @@
+const MAX_RAW_LEN = 8000;
+
+export interface KavenegarNormalized {
+  httpLikeStatus?: number;
+  message?: string;
+  raw: string;
+}
+
+export function safeJsonStringify(value: unknown): string {
+  try {
+    const s = JSON.stringify(value);
+    return s.length > MAX_RAW_LEN
+      ? `${s.slice(0, MAX_RAW_LEN)}...[truncated]`
+      : s;
+  } catch {
+    return String(value);
+  }
+}
+
+/**
+ * Kavenegar REST responses use `{ return: { status, message }, ... }`.
+ * Transport failures may yield non-JSON strings or malformed bodies.
+ */
+export function normalizeKavenegarBody(body: unknown): KavenegarNormalized {
+  if (typeof body === "string") {
+    try {
+      return normalizeKavenegarBody(JSON.parse(body) as unknown);
+    } catch {
+      const raw =
+        body.length > MAX_RAW_LEN
+          ? `${body.slice(0, MAX_RAW_LEN)}...[truncated]`
+          : body;
+      return { raw };
+    }
+  }
+
+  let httpLikeStatus: number | undefined;
+  let message: string | undefined;
+
+  if (body && typeof body === "object" && !Array.isArray(body)) {
+    const ret = (body as { return?: { status?: unknown; message?: unknown } })
+      .return;
+    if (ret && typeof ret === "object") {
+      if (typeof ret.status === "number" && Number.isFinite(ret.status)) {
+        httpLikeStatus = ret.status;
+      }
+      if (typeof ret.message === "string") {
+        message = ret.message;
+      }
+    }
+  }
+
+  return {
+    httpLikeStatus,
+    message,
+    raw: safeJsonStringify(body),
+  };
+}
+
+/** Kavenegar uses `return.status === 200` for a successful API call. */
+export function isKavenegarSuccess(body: unknown): boolean {
+  return normalizeKavenegarBody(body).httpLikeStatus === 200;
+}
+
+/** The nest client sometimes rejects with a JSON string `{ "error": "..." }`. */
+export function unwrapKavenegarTransportError(err: unknown): unknown {
+  if (typeof err === "string") {
+    try {
+      return JSON.parse(err) as unknown;
+    } catch {
+      return { transportMessage: err };
+    }
+  }
+  if (err instanceof Error) {
+    return { name: err.name, message: err.message };
+  }
+  return err;
+}