From 5d98b8ef8ea8e21405edfe15c05d90b6e1ffc515 Mon Sep 17 00:00:00 2001
From: Amy <a258wang@uwaterloo.ca>
Date: Tue, 22 Feb 2022 22:07:56 -0500
Subject: [PATCH] Handle books without title, authors, isbn

---
 lib/books.ts    | 9 +++++----
 pages/index.tsx | 8 ++++----
 2 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/lib/books.ts b/lib/books.ts
index 92db791..0ba0964 100644
--- a/lib/books.ts
+++ b/lib/books.ts
@@ -7,7 +7,7 @@ export async function getAllBooks() {
 
   const books = new Promise<SimpleBook[]>((resolve, reject) => {
     database.all(
-      "SELECT title, authors, isbn FROM books",
+      "SELECT id, title, authors, isbn FROM books WHERE deleted = 0",
       (error: Error | null, rows: SimpleBook[]) => {
         if (error) {
           reject(error);
@@ -23,7 +23,8 @@ export async function getAllBooks() {
 }
 
 export interface SimpleBook {
-  authors: string;
-  isbn: string;
-  title: string;
+  id: number;
+  title: string | null;
+  authors: string | null;
+  isbn: string | null;
 }
diff --git a/pages/index.tsx b/pages/index.tsx
index e283020..d64c66e 100644
--- a/pages/index.tsx
+++ b/pages/index.tsx
@@ -4,15 +4,15 @@ import { getAllBooks, SimpleBook } from "../lib/books";
 
 export default function Home(props: Props) {
   return (
-    <ol>
+    <ul>
       {props.books.map((book, idx) => {
         return (
-          <li key={`${idx}_${book.isbn}`}>
-            {book.title}; {book.authors}; {book.isbn}
+          <li key={`${idx}_${book.isbn ?? ""}`}>
+            {book.id}; {book.title}; {book.authors}; {book.isbn}
           </li>
         );
       })}
-    </ol>
+    </ul>
   );
 }