From b89d0e7dada186e31be37e62a7a75efc2dbe9c99 Mon Sep 17 00:00:00 2001
From: Fuwn <contact@fuwn.me>
Date: Sat, 26 Aug 2023 22:29:03 -0700
Subject: feat: initial build

---
 src/lib/mangadex.ts | 69 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 src/lib/mangadex.ts

(limited to 'src/lib/mangadex.ts')

diff --git a/src/lib/mangadex.ts b/src/lib/mangadex.ts
new file mode 100644
index 00000000..c5bd87c7
--- /dev/null
+++ b/src/lib/mangadex.ts
@@ -0,0 +1,69 @@
+import type { Media } from '$lib/AniList/media';
+import { chapterDatabase } from './chapterDatabase';
+
+export const chapterCount = async (manga: Media): Promise<number | null> => {
+	const chapters = await chapterDatabase.chapters.get(manga.id);
+
+	if (chapters !== undefined) {
+		return chapters.chapters === -1 ? null : chapters.chapters;
+	}
+
+	console.log(
+		`Caching ${manga.id} (${manga.title.english || manga.title.romaji || manga.title.native})`
+	);
+
+	let mangadexData = await (
+		await fetch(
+			`https://api.mangadex.org/manga?title=${encodeURIComponent(
+				manga.title.english || manga.title.romaji || manga.title.native
+			)}&year=${manga.startDate.year}`
+		)
+	).json();
+
+	if (mangadexData['data'] === undefined || mangadexData['data'].length === 0) {
+		mangadexData = await (
+			await fetch(
+				`https://api.mangadex.org/manga?title=${encodeURIComponent(manga.title.native)}&year=${
+					manga.startDate.year
+				}`
+			)
+		).json();
+	}
+
+	if (mangadexData['data'] === undefined || mangadexData['data'].length === 0) {
+		await chapterDatabase.chapters.put({
+			id: manga.id,
+			chapters: -1
+		});
+
+		return null;
+	}
+
+	const lastChapterData = await (
+		await fetch(
+			`https://api.mangadex.org/manga/${mangadexData['data'][0]['id']}/feed?order[chapter]=desc`
+		)
+	).json();
+
+	if (lastChapterData['data'] === undefined || lastChapterData['data'].length === 0) {
+		await chapterDatabase.chapters.put({
+			id: manga.id,
+			chapters: -1
+		});
+
+		return null;
+	}
+
+	let lastChapter = lastChapterData['data'][0]['attributes']['chapter'];
+
+	if (lastChapter === 0) {
+		lastChapter = null;
+	}
+
+	await chapterDatabase.chapters.put({
+		id: manga.id,
+		chapters: lastChapter
+	});
+
+	return lastChapter;
+};
-- 
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