added resolvers, updated model, updated navbar

app/server/graphql/resolvers/bookChapterMany.ts

@@ -0,0 +1,25 @@
+import { IdentityContext } from '@app/server/identity';
+import { prisma } from '@app/server/prisma/client';
+import { BookChapterManyOutput, QueryBookChapterManyArgs } from '@generated/types';
+import { toBookChapterSchema } from './mappers/bookChapterMapper';
+
+export async function BookChapterManyResolver(
+  _: any,
+  { input }: QueryBookChapterManyArgs,
+  { identity }: IdentityContext
+): Promise<BookChapterManyOutput> {
+  const { bookId, filter } = input;
+
+  const items = await prisma.bookChapter.findMany({
+    where: {
+      bookId
+    },
+    skip: filter.offset ?? 0,
+    take: filter.size ?? 10
+  });
+
+  return {
+    items: await Promise.all(items.map(value => toBookChapterSchema(value))),
+    total: items.length
+  };
+}