fix: handle isbn as array from Listenarr search results

backend/src/services/listenarr.ts

@@ -0,0 +1,95 @@
+import axios from "axios";
+
+const LISTENARR_URL = process.env.LISTENARR_URL || "";
+const LISTENARR_API_KEY = process.env.LISTENARR_API_KEY || "";
+
+const listenarrApi = axios.create({
+  baseURL: LISTENARR_URL,
+  timeout: 15000,
+  headers: {
+    "X-Api-Key": LISTENARR_API_KEY,
+    "Content-Type": "application/json",
+  },
+});
+
+export async function searchAudiobooks(
+  query: string
+): Promise<any[]> {
+  const resp = await listenarrApi.get("/api/v1/search/audible", {
+    params: { query },
+  });
+  return resp.data?.results || [];
+}
+
+export async function addAudiobook(options: {
+  asin: string;
+  title: string;
+  authors: string[];
+  imageUrl?: string;
+  description?: string;
+  monitored?: boolean;
+  autoSearch?: boolean;
+  subtitle?: string;
+  narrators?: string[];
+  publisher?: string;
+  language?: string;
+  releaseDate?: string;
+  runtimeLengthMin?: number;
+  genres?: string[];
+  series?: string;
+  seriesNumber?: string;
+  isbn?: string;
+  explicit?: boolean;
+  abridged?: boolean;
+}): Promise<any> {
+  // Defensive: ensure series/seriesNumber are always strings, not arrays
+  const series = typeof options.series === "string" ? options.series : "";
+  const seriesNumber = typeof options.seriesNumber === "string" ? options.seriesNumber : "";
+
+  const body: any = {
+    metadata: {
+      asin: options.asin,
+      title: options.title,
+      subtitle: options.subtitle || "",
+      source: "audible",
+      authors: options.authors || [],
+      narrators: options.narrators || [],
+      imageUrl: options.imageUrl || "",
+      description: options.description || "",
+      publisher: options.publisher || "",
+      language: options.language || "",
+      releaseDate: options.releaseDate || "",
+      runtime: options.runtimeLengthMin ? options.runtimeLengthMin * 60 : 0,
+      genres: options.genres || [],
+      series: series,
+      seriesNumber: seriesNumber,
+      isbn: Array.isArray(options.isbn) ? options.isbn : (typeof options.isbn === "string" && options.isbn ? options.isbn.split(",") : []),
+      explicit: options.explicit || false,
+      abridged: options.abridged || false,
+    },
+    autoSearch: options.autoSearch !== false,
+    monitored: options.monitored !== false,
+    qualityProfileId: 1,
+  };
+
+  const resp = await listenarrApi.post("/api/v1/library/add", body);
+  return resp.data;
+}
+
+export async function getListenarrStatus(): Promise<{
+  connected: boolean;
+  data?: any;
+  error?: string;
+}> {
+  try {
+    const resp = await listenarrApi.get("/api/v1/system/info", {
+      timeout: 5000,
+    });
+    return { connected: true, data: resp.data };
+  } catch (error: any) {
+    return {
+      connected: false,
+      error: error?.message || "Failed to connect to Listenarr",
+    };
+  }
+}