From 08f8feaec50c63ffd2f51d5589b3015b60e8f859 Mon Sep 17 00:00:00 2001
From: f0x52 <f0x@cthu.lu>
Date: Fri, 27 Jan 2023 09:09:26 +0100
Subject: [feature/frontend] filterable local emoji list (#1385)

---
 web/source/settings/admin/emoji/local/overview.js | 62 +++++++++++++++++++++--
 web/source/settings/admin/federation/overview.js  | 32 ++++++------
 2 files changed, 74 insertions(+), 20 deletions(-)

(limited to 'web/source/settings/admin')

diff --git a/web/source/settings/admin/emoji/local/overview.js b/web/source/settings/admin/emoji/local/overview.js
index f8f61cea1..3a46c56c8 100644
--- a/web/source/settings/admin/emoji/local/overview.js
+++ b/web/source/settings/admin/emoji/local/overview.js
@@ -20,13 +20,18 @@
 
 const React = require("react");
 const { Link } = require("wouter");
+const syncpipe = require("syncpipe");
+const { matchSorter } = require("match-sorter");
 
 const NewEmojiForm = require("./new-emoji");
+const { useTextInput } = require("../../../lib/form");
 
 const query = require("../../../lib/query");
 const { useEmojiByCategory } = require("../category-select");
+
 const Loading = require("../../../components/loading");
 const { Error } = require("../../../components/error");
+const { TextInput } = require("../../../components/form/inputs");
 
 module.exports = function EmojiOverview({ baseUrl }) {
 	const {
@@ -53,23 +58,70 @@ module.exports = function EmojiOverview({ baseUrl }) {
 
 	return (
 		<>
-			<h1>Custom Emoji (local)</h1>
+			<h1>Local Custom Emoji</h1>
+			<p>
+				To use custom emoji in your toots they have to be 'local' to the instance.
+				You can either upload them here directly, or copy from those already
+				present on other (known) instances through the <Link to={`../remote`}>Remote Emoji</Link> page.
+			</p>
 			{content}
 		</>
 	);
 };
 
 function EmojiList({ emoji, baseUrl }) {
+	const filterField = useTextInput("filter");
+	const filter = filterField.value;
+
 	const emojiByCategory = useEmojiByCategory(emoji);
 
+	/* Filter emoji based on shortcode match with user input, hiding empty categories */
+	const { filteredEmoji, hidden } = React.useMemo(() => {
+		let hidden = emoji.length;
+		const filteredEmoji = syncpipe(emojiByCategory, [
+			(_) => Object.entries(emojiByCategory),
+			(_) => _.map(([category, entries]) => {
+				let filteredEntries = matchSorter(entries, filter, { keys: ["shortcode"] });
+				if (filteredEntries.length == 0) {
+					return null;
+				} else {
+					hidden -= filteredEntries.length;
+					return [category, filteredEntries];
+				}
+			}),
+			(_) => _.filter((value) => value !== null)
+		]);
+
+		return { filteredEmoji, hidden };
+	}, [filter, emojiByCategory, emoji.length]);
+
 	return (
 		<div>
 			<h2>Overview</h2>
+			{emoji.length > 0
+				? <span>{emoji.length} custom emoji {hidden > 0 && `(${hidden} filtered)`}</span>
+				: <span>No custom emoji yet, you can add one below.</span>
+			}
 			<div className="list emoji-list">
-				{emoji.length == 0 && "No local emoji yet, add one below"}
-				{Object.entries(emojiByCategory).map(([category, entries]) => {
-					return <EmojiCategory key={category} category={category} entries={entries} baseUrl={baseUrl} />;
-				})}
+				<div className="header">
+					<TextInput
+						field={filterField}
+						name="emoji-shortcode"
+						placeholder="Search"
+					/>
+				</div>
+				<div className="entries scrolling">
+					{filteredEmoji.length > 0
+						? (
+							<div className="entries scrolling">
+								{filteredEmoji.map(([category, entries]) => {
+									return <EmojiCategory key={category} category={category} entries={entries} baseUrl={baseUrl} />;
+								})}
+							</div>
+						)
+						: <div className="entry">No local emoji matched your filter.</div>
+					}
+				</div>
 			</div>
 		</div>
 	);
diff --git a/web/source/settings/admin/federation/overview.js b/web/source/settings/admin/federation/overview.js
index b655423a4..48f023ae6 100644
--- a/web/source/settings/admin/federation/overview.js
+++ b/web/source/settings/admin/federation/overview.js
@@ -76,21 +76,23 @@ module.exports = function InstanceOverview({ baseUrl }) {
 					<span>
 						{blockedInstancesList.length} blocked instance{blockedInstancesList.length != 1 ? "s" : ""} {filtered > 0 && `(${filtered} filtered by search)`}
 					</span>
-					<div className="list scrolling">
-						{filteredInstances.map((entry) => {
-							return (
-								<Link key={entry.domain} to={`${baseUrl}/${entry.domain}`}>
-									<a className="entry nounderline">
-										<span id="domain">
-											{entry.domain}
-										</span>
-										<span id="date">
-											{new Date(entry.created_at).toLocaleString()}
-										</span>
-									</a>
-								</Link>
-							);
-						})}
+					<div className="list">
+						<div className="entries scrolling">
+							{filteredInstances.map((entry) => {
+								return (
+									<Link key={entry.domain} to={`${baseUrl}/${entry.domain}`}>
+										<a className="entry nounderline">
+											<span id="domain">
+												{entry.domain}
+											</span>
+											<span id="date">
+												{new Date(entry.created_at).toLocaleString()}
+											</span>
+										</a>
+									</Link>
+								);
+							})}
+						</div>
 					</div>
 				</div>
 			</div>
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