refacto: errors in apis

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

@@ -1,14 +1,30 @@
-import { NextResponse } from "next/server";
+import { NextRequest, NextResponse } from "next/server";
 import { BookService } from "@/lib/services/book.service";
+import { ERROR_CODES } from "@/constants/errorCodes";
+import { ERROR_MESSAGES } from "@/constants/errorMessages";
+import { AppError } from "@/utils/errors";
 
 export const dynamic = "force-dynamic";
 
 export async function GET(
-  request: Request,
+  request: NextRequest,
   { params }: { params: { bookId: string; pageNumber: string } }
 ) {
   try {
-    const response = await BookService.getPage(params.bookId, parseInt(params.pageNumber));
+    const pageNumber = parseInt(params.pageNumber);
+    if (isNaN(pageNumber) || pageNumber < 0) {
+      return NextResponse.json(
+        {
+          error: {
+            code: ERROR_CODES.IMAGE.FETCH_ERROR,
+            message: ERROR_MESSAGES[ERROR_CODES.IMAGE.FETCH_ERROR],
+          },
+        },
+        { status: 400 }
+      );
+    }
+
+    const response = await BookService.getPage(params.bookId, pageNumber);
     const buffer = await response.arrayBuffer();
     const headers = new Headers();
     headers.set("Content-Type", response.headers.get("Content-Type") || "image/jpeg");
@@ -19,9 +35,25 @@ export async function GET(
       headers,
     });
   } catch (error) {
-    console.error("API Book Page - Erreur:", error);
+    console.error("Erreur lors de la récupération de la page:", error);
+    if (error instanceof AppError) {
+      return NextResponse.json(
+        {
+          error: {
+            code: error.code,
+            message: ERROR_MESSAGES[error.code],
+          },
+        },
+        { status: 500 }
+      );
+    }
     return NextResponse.json(
-      { error: "Erreur lors de la récupération de la page" },
+      {
+        error: {
+          code: ERROR_CODES.IMAGE.FETCH_ERROR,
+          message: ERROR_MESSAGES[ERROR_CODES.IMAGE.FETCH_ERROR],
+        },
+      },
       { status: 500 }
     );
   }