From 31f0df5e6041b3fd761fef9239056a7b9e6ed48c Mon Sep 17 00:00:00 2001
From: Fuwn <contact@fuwn.me>
Date: Mon, 28 Aug 2023 15:28:00 -0700
Subject: feat(list): upcoming episodes

---
 src/lib/List/UpcomingAnimeList.svelte | 147 ++++++++++++++++++++++++++++++++++
 1 file changed, 147 insertions(+)
 create mode 100644 src/lib/List/UpcomingAnimeList.svelte

(limited to 'src/lib/List/UpcomingAnimeList.svelte')

diff --git a/src/lib/List/UpcomingAnimeList.svelte b/src/lib/List/UpcomingAnimeList.svelte
new file mode 100644
index 00000000..ea421241
--- /dev/null
+++ b/src/lib/List/UpcomingAnimeList.svelte
@@ -0,0 +1,147 @@
+<script lang="ts">
+	import { mediaListCollection, Type, flattenLists, type Media } from '$lib/AniList/media';
+	import type { UserIdentity, AniListAuthorisation } from '$lib/AniList/identity';
+	import { onMount } from 'svelte';
+	import anime from '../../stores/anime';
+	import animeLastPrune from '../../stores/mangaLastPrune';
+
+	export let user: AniListAuthorisation;
+	export let identity: UserIdentity;
+	export let displayUnresolved: boolean;
+
+	let animeLists: any;
+	let startTime: number;
+	let endTime: number;
+
+	onMount(async () => {
+		startTime = performance.now();
+		animeLists = mediaListCollection(user, identity, Type.Anime, $anime, $animeLastPrune);
+	});
+
+	const cleanMedia = (media: object[][], displayUnresolved: boolean) => {
+		if (media === undefined) {
+			return [];
+		}
+
+		const flattenedLists = flattenLists(media);
+		const releasingMedia = flattenedLists.filter(
+			(media: Media) => media['status'] == 'RELEASING' /* &&
+				(media['mediaListEntry'] || { progress: 0 })['progress'] >=
+					($displayNotStarted === 'true' ? 0 : 1) */
+		);
+		const outdatedMedia = releasingMedia.filter((media: Media) => {
+			return (
+				(media['nextAiringEpisode'] || { episode: 0 })['episode'] - 1 <=
+				(media['mediaListEntry'] || { progress: 0 })['progress']
+			);
+		});
+		let finalMedia = outdatedMedia.map((media: Media) => {
+			if ((media['nextAiringEpisode'] || { episode: 0 })['episode'] - 1 <= 0) {
+				media['nextAiringEpisode'] = { episode: -1 };
+			}
+
+			return media;
+		});
+
+		if (!displayUnresolved) {
+			finalMedia = finalMedia.filter((media: Media) => media.nextAiringEpisode?.episode !== -1);
+		}
+
+		finalMedia.sort((a: Media, b: Media) => {
+			return (
+				(a.nextAiringEpisode?.timeUntilAiring || 9999) -
+				(b.nextAiringEpisode?.timeUntilAiring || 9999)
+			);
+		});
+
+		finalMedia = finalMedia.filter((item, index, array) => {
+			return (
+				array.findIndex((i) => {
+					return i.id === item.id;
+				}) === index
+			);
+		});
+		endTime = performance.now() - startTime;
+
+		return finalMedia;
+	};
+
+	const airingTime = (anime: Media) => {
+		const untilAiring = anime.nextAiringEpisode?.timeUntilAiring;
+		let timeFrame;
+
+		if (untilAiring !== undefined) {
+			let hours = untilAiring / 3600;
+
+			if (hours >= 24) {
+				let weeks = Math.floor(Math.floor(hours / 24) / 7);
+
+				if (weeks >= 1) {
+					weeks = Math.round(weeks);
+
+					timeFrame = `${weeks} week${weeks === 1 ? '' : 's'}`;
+				} else {
+					const days = Math.round(Math.floor(hours / 24));
+
+					timeFrame = `${days} day${days === 1 ? '' : 's'}`;
+				}
+			} else {
+				hours = Math.round(hours);
+
+				timeFrame = `${hours} hour${hours === 1 ? '' : 's'}`;
+			}
+
+			return `${anime.nextAiringEpisode?.episode}${totalEpisodes(anime)} in ${timeFrame}`;
+		}
+
+		return '';
+	};
+
+	const totalEpisodes = (anime: Media) => {
+		return anime['episodes'] === null
+			? ''
+			: `<span style="opacity: 50%">/${anime['episodes']}</span>`;
+	};
+</script>
+
+{#await animeLists}
+	<summary>Upcoming Episodes [...] <small style="opacity: 50%">...s</small></summary>
+
+	<ul><li>Loading ...</li></ul>
+{:then media}
+	{@const cleanedMedia = cleanMedia(media, displayUnresolved)}
+
+	<summary
+		>Upcoming Episodes [{cleanedMedia.length}]
+		<small style="opacity: 50%">{endTime / 1000}s</small></summary
+	>
+
+	<ul>
+		{#each cleanedMedia as anime}
+			<li>
+				<a href={`https://anilist.co/anime/${anime['id']}`} target="_blank">
+					{anime['title']['english'] || anime['title']['romaji']}
+				</a>
+				<span style="opacity: 50%;">|</span>
+				{@html airingTime(anime)}
+			</li>
+		{/each}
+	</ul>
+{:catch}
+	<summary>Upcoming Episodes [?] <small style="opacity: 50%">0s</small></summary>
+
+	<ul>
+		<li>
+			<p>
+				Media could not be loaded. You might have been <a
+					href="https://en.wikipedia.org/wiki/Rate_limiting"
+					target="_blank">rate limited</a
+				>.
+			</p>
+			<p>
+				Try again in a few minutes. If the problem persists, please contact
+				<a href="https://anilist.co/user/fuwn" target="_blank">@fuwn</a> on AniList.
+			</p>
+		</li>
+	</ul>
+{/await}
-- 
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