feat: refactor book page to use ClientBookPage component and enhance data fetching with next book information

src/app/api/komga/books/[bookId]/route.ts

@@ -14,7 +14,9 @@ export async function GET(
     const bookId: string = (await params).bookId;
 
     const data: KomgaBookWithPages = await BookService.getBook(bookId);
-    return NextResponse.json(data);
+    const nextBook = await BookService.getNextBook(bookId, data.book.seriesId);
+    
+    return NextResponse.json({ ...data, nextBook });
   } catch (error) {
     console.error("API Books - Erreur:", error);
     if (error instanceof AppError) {

src/app/books/[bookId]/page.tsx

@@ -1,38 +1,16 @@
 import { Suspense } from "react";
-import { ClientBookWrapper } from "@/components/reader/ClientBookWrapper";
+import { ClientBookPage } from "@/components/reader/ClientBookPage";
 import { BookSkeleton } from "@/components/skeletons/BookSkeleton";
-import { BookService } from "@/lib/services/book.service";
 import { withPageTiming } from "@/lib/hoc/withPageTiming";
-import type { KomgaBookWithPages } from "@/types/komga";
-import { ErrorMessage } from "@/components/ui/ErrorMessage";
-import { ERROR_CODES } from "@/constants/errorCodes";
-import { AppError } from "@/utils/errors";
 
 async function BookPage({ params }: { params: { bookId: string } }) {
-  try {
+  const { bookId } = await params;
-    const { bookId } = await params;
+  
-    const data: KomgaBookWithPages = await BookService.getBook(bookId);
+  return (
-    const nextBook = await BookService.getNextBook(bookId, data.book.seriesId);
+    <Suspense fallback={<BookSkeleton />}>
-    return (
+      <ClientBookPage bookId={bookId} />
-      <Suspense fallback={<BookSkeleton />}>
+    </Suspense>
-        <ClientBookWrapper book={data.book} pages={data.pages} nextBook={nextBook} />
+  );
-      </Suspense>
-    );
-  } catch (error) {
-    console.error("Erreur:", error);
-    if (error instanceof AppError) {
-      return (
-        <div className="container py-8 space-y-8">
-          <ErrorMessage errorCode={error.code} />
-        </div>
-      );
-    }
-    return (
-      <div className="container py-8 space-y-8">
-        <ErrorMessage errorCode={ERROR_CODES.SERIES.FETCH_ERROR} />
-      </div>
-    );
-  }
 }
 
 export default withPageTiming("BookPage", BookPage);

src/components/home/ClientHomePage.tsx

@@ -14,39 +14,40 @@ export function ClientHomePage() {
   const [loading, setLoading] = useState(true);
   const [error, setError] = useState<string | null>(null);
 
-  useEffect(() => {
+  const fetchData = async () => {
-    const fetchData = async () => {
+    setLoading(true);
-      setLoading(true);
+    setError(null);
-      setError(null);
 
-      try {
+    try {
-        const response = await fetch("/api/komga/home");
+      const response = await fetch("/api/komga/home");
 
-        if (!response.ok) {
+      if (!response.ok) {
-          const errorData = await response.json();
+        const errorData = await response.json();
-          const errorCode = errorData.error?.code || ERROR_CODES.KOMGA.SERVER_UNREACHABLE;
+        const errorCode = errorData.error?.code || ERROR_CODES.KOMGA.SERVER_UNREACHABLE;
         
-          // Si la config Komga est manquante, rediriger vers les settings
+        // Si la config Komga est manquante, rediriger vers les settings
-          if (errorCode === ERROR_CODES.KOMGA.MISSING_CONFIG) {
+        if (errorCode === ERROR_CODES.KOMGA.MISSING_CONFIG) {
-            router.push("/settings");
+          router.push("/settings");
-            return;
+          return;
-          }
-          
-          throw new Error(errorCode);
         }
         
-        const homeData = await response.json();
+        throw new Error(errorCode);
-        setData(homeData);
-      } catch (err) {
-        console.error("Error fetching home data:", err);
-        setError(err instanceof Error ? err.message : ERROR_CODES.KOMGA.SERVER_UNREACHABLE);
-      } finally {
-        setLoading(false);
       }
-    };
 
+      const homeData = await response.json();
+      setData(homeData);
+    } catch (err) {
+      console.error("Error fetching home data:", err);
+      setError(err instanceof Error ? err.message : ERROR_CODES.KOMGA.SERVER_UNREACHABLE);
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  useEffect(() => {
     fetchData();
-  }, [router]);
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, []);
 
   const handleRefresh = async () => {
     try {
@@ -80,10 +81,14 @@ export function ClientHomePage() {
     return <HomePageSkeleton />;
   }
 
+  const handleRetry = () => {
+    fetchData();
+  };
+
   if (error) {
     return (
       <main className="container mx-auto px-4 py-8">
-        <ErrorMessage errorCode={error} />
+        <ErrorMessage errorCode={error} onRetry={handleRetry} />
       </main>
     );
   }
@@ -91,7 +96,7 @@ export function ClientHomePage() {
   if (!data) {
     return (
       <main className="container mx-auto px-4 py-8">
-        <ErrorMessage errorCode={ERROR_CODES.KOMGA.SERVER_UNREACHABLE} />
+        <ErrorMessage errorCode={ERROR_CODES.KOMGA.SERVER_UNREACHABLE} onRetry={handleRetry} />
       </main>
     );
   }

src/components/reader/ClientBookPage.tsx

@@ -0,0 +1,76 @@
+"use client";
+
+import { useEffect, useState } from "react";
+import { ClientBookWrapper } from "./ClientBookWrapper";
+import { BookSkeleton } from "@/components/skeletons/BookSkeleton";
+import { ErrorMessage } from "@/components/ui/ErrorMessage";
+import { ERROR_CODES } from "@/constants/errorCodes";
+import type { KomgaBook } from "@/types/komga";
+
+interface ClientBookPageProps {
+  bookId: string;
+}
+
+export function ClientBookPage({ bookId }: ClientBookPageProps) {
+  const [loading, setLoading] = useState(true);
+  const [error, setError] = useState<string | null>(null);
+  const [data, setData] = useState<{
+    book: KomgaBook;
+    pages: number[];
+    nextBook: KomgaBook | null;
+  } | null>(null);
+
+  const fetchBookData = async () => {
+    try {
+      setLoading(true);
+      setError(null);
+
+      const response = await fetch(`/api/komga/books/${bookId}`);
+      
+      if (!response.ok) {
+        const errorData = await response.json();
+        throw new Error(errorData.error?.code || ERROR_CODES.BOOK.PAGES_FETCH_ERROR);
+      }
+
+      const bookData = await response.json();
+      setData(bookData);
+    } catch (err) {
+      console.error("Error fetching book:", err);
+      setError(err instanceof Error ? err.message : ERROR_CODES.BOOK.PAGES_FETCH_ERROR);
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  useEffect(() => {
+    fetchBookData();
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [bookId]);
+
+  const handleRetry = () => {
+    fetchBookData();
+  };
+
+  if (loading) {
+    return <BookSkeleton />;
+  }
+
+  if (error) {
+    return (
+      <div className="container py-8 space-y-8">
+        <ErrorMessage errorCode={error} onRetry={handleRetry} />
+      </div>
+    );
+  }
+
+  if (!data) {
+    return (
+      <div className="container py-8 space-y-8">
+        <ErrorMessage errorCode={ERROR_CODES.BOOK.PAGES_FETCH_ERROR} onRetry={handleRetry} />
+      </div>
+    );
+  }
+
+  return <ClientBookWrapper book={data.book} pages={data.pages} nextBook={data.nextBook} />;
+}
+