added chapter view, fixes, added ratings, added chapter updates/deletions

app/server/graphql/resolvers/bookChapterUpdateResolver.ts

@@ -0,0 +1,34 @@
+import { countWords, ensureIdentity } from '@app/server/helpers';
+import { IdentityContext } from '@app/server/identity';
+import { prisma } from '@app/server/prisma/client';
+import { updateBookStats } from '@app/server/service/book';
+import { BookChapter, MutationBookChapterUpdateArgs } from '@generated/types';
+import { toBookChapterSchema } from './mappers/bookChapterMapper';
+
+export async function BookChapterUpdateResolver(
+  _: any,
+  { input }: MutationBookChapterUpdateArgs,
+  { req, res, identity }: IdentityContext
+): Promise<BookChapter> {
+  ensureIdentity(identity);
+
+  if (input.title.length > 60) throw new Error('Title is too long.');
+  if (input.foreword != null && input.foreword.length > 500)
+    throw new Error('Foreword is too long.');
+  if (input.footnote != null && input.footnote.length > 500)
+    throw new Error('Footnote is too long.');
+
+  const model = await prisma.bookChapter.update({
+    where: { id: input.id },
+    data: {
+      title: input.title,
+      foreword: input.foreword,
+      footnote: input.footnote,
+      content: input.content,
+      wordsTotal: countWords(input.content)
+    }
+  });
+
+  await updateBookStats(model.bookId);
+  return toBookChapterSchema(model, { req, res, identity });
+}