refactor: replace random-book GET route with server action

src/app/actions/library.ts

@@ -2,6 +2,7 @@
 
 import { revalidatePath } from "next/cache";
 import { LibraryService } from "@/lib/services/library.service";
+import { BookService } from "@/lib/services/book.service";
 import { AppError } from "@/utils/errors";
 
 /**
@@ -25,3 +26,25 @@ export async function scanLibrary(
     return { success: false, message: "Erreur lors du scan" };
   }
 }
+
+/**
+ * Retourne un livre aléatoire depuis les bibliothèques sélectionnées
+ */
+export async function getRandomBookFromLibraries(
+  libraryIds: string[]
+): Promise<{ success: boolean; bookId?: string; message?: string }> {
+  try {
+    if (!libraryIds.length) {
+      return { success: false, message: "Au moins une bibliothèque doit être sélectionnée" };
+    }
+
+    const bookId = await BookService.getRandomBookFromLibraries(libraryIds);
+    return { success: true, bookId };
+  } catch (error) {
+    if (error instanceof AppError) {
+      return { success: false, message: error.message };
+    }
+
+    return { success: false, message: "Erreur lors de la récupération d'un livre aléatoire" };
+  }
+}

src/app/api/komga/random-book/route.ts

@@ -1,53 +0,0 @@
-import { NextResponse } from "next/server";
-import type { NextRequest } from "next/server";
-import { BookService } from "@/lib/services/book.service";
-import { ERROR_CODES } from "@/constants/errorCodes";
-import { AppError } from "@/utils/errors";
-import { getErrorMessage } from "@/utils/errors";
-import logger from "@/lib/logger";
-
-export const dynamic = "force-dynamic";
-
-export async function GET(request: NextRequest) {
-  try {
-    const { searchParams } = new URL(request.url);
-    const libraryIds = searchParams.get("libraryIds")?.split(",") || [];
-
-    if (libraryIds.length === 0) {
-      return NextResponse.json(
-        {
-          error: {
-            code: ERROR_CODES.LIBRARY.FETCH_ERROR,
-            message: "Au moins une bibliothèque doit être sélectionnée",
-          },
-        },
-        { status: 400 }
-      );
-    }
-
-    const bookId = await BookService.getRandomBookFromLibraries(libraryIds);
-    return NextResponse.json({ bookId });
-  } catch (error) {
-    logger.error({ err: error }, "Erreur lors de la récupération d'un livre aléatoire");
-    if (error instanceof AppError) {
-      return NextResponse.json(
-        {
-          error: {
-            code: error.code,
-            message: getErrorMessage(error.code),
-          },
-        },
-        { status: 500 }
-      );
-    }
-    return NextResponse.json(
-      {
-        error: {
-          code: ERROR_CODES.SERIES.FETCH_ERROR,
-          message: getErrorMessage(ERROR_CODES.SERIES.FETCH_ERROR),
-        },
-      },
-      { status: 500 }
-    );
-  }
-}

src/components/layout/ClientLayout.tsx

@@ -12,6 +12,7 @@ import { usePreferences } from "@/contexts/PreferencesContext";
 import { ServiceWorkerProvider } from "@/contexts/ServiceWorkerContext";
 import type { KomgaLibrary, KomgaSeries } from "@/types/komga";
 import logger from "@/lib/logger";
+import { getRandomBookFromLibraries } from "@/app/actions/library";
 
 // Routes qui ne nécessitent pas d'authentification
 const publicRoutes = ["/login", "/register"];
@@ -51,10 +52,11 @@ export default function ClientLayout({
   const fetchRandomBook = useCallback(async () => {
     if (backgroundType === "komga-random" && libraryIdsString) {
       try {
-        const response = await fetch(`/api/komga/random-book?libraryIds=${libraryIdsString}`);
-        if (response.ok) {
-          const data = await response.json();
-          setRandomBookId(data.bookId);
+        const libraryIds = libraryIdsString.split(",").filter(Boolean);
+        const result = await getRandomBookFromLibraries(libraryIds);
+
+        if (result.success && result.bookId) {
+          setRandomBookId(result.bookId);
         }
       } catch (error) {
         logger.error({ err: error }, "Erreur lors de la récupération d'un book aléatoire:");