From 66d6168a31f32b91031e81aaae6dab7f0fe4d986 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E2=98=99=E2=97=A6=20The=20Tablet=20=E2=9D=80=20GamerGirla?=
 =?UTF-8?q?ndCo=20=E2=97=A6=E2=9D=A7?= <i.am.the.tablet@proton.me>
Date: Tue, 3 Oct 2023 00:46:57 -0400
Subject: [PATCH] refactor(server/utils): add transformer for regular chapter
 objects

this transforms a story object into a slightly different object to be served by the api. notable differences are the `totalChapters` field and the removal of the `chapters` array. `chapters` is then replaced by a `currentChapter` object, representing the currently "selected" chapter, with an added `text` field
---
 lib/server/dbHelpers/chapterTransformer.ts | 31 ++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 lib/server/dbHelpers/chapterTransformer.ts

diff --git a/lib/server/dbHelpers/chapterTransformer.ts b/lib/server/dbHelpers/chapterTransformer.ts
new file mode 100644
index 0000000..f10fb7c
--- /dev/null
+++ b/lib/server/dbHelpers/chapterTransformer.ts
@@ -0,0 +1,31 @@
+import { H3Event, EventHandlerRequest } from "h3";
+import { GridFSBucket } from "mongodb";
+import mongoose, { Document } from "mongoose";
+import { stringifyStream } from "~/lib/functions";
+import { IStory } from "~/models/stories";
+import { IChapter } from "~/models/stories/chapter";
+import getBucket from "../storyHelpers/getBucket";
+
+export default async function (
+	story: Document<number, {}, IStory> & IStory,
+	event: H3Event<EventHandlerRequest>,
+) {
+	const finObj: any = story.toObject();
+	const cloned: any & { chapters: IChapter[] } = { ...finObj };
+	delete finObj.chapters;
+	const bucket = getBucket();
+	let ds = bucket.openDownloadStreamByName(
+		`/stories/${cloned.chapters[event.context.chapterIndex || 0].id}.txt`,
+	);
+	let stream = await stringifyStream(ds);
+	finObj.currentChapter = {
+		...cloned.chapters[event.context.chapterIndex || 0],
+		text: stream
+			.replace(/\n/g, "<br>")
+			.replace(/<br><p>/gm, "<p>")
+			.replace(/<p>&nbsp;<\/p>/gm, "")
+			.replace(/<p><br\s\/><b\s\/><\/p>/gm, ""),
+	};
+	finObj.totalChapters = story.chapters.length;
+	return finObj;
+}