[frontend] Custom Emoji Deletion (#994)

* re-add eslint

* fix oauth url getting too long

* actually attach single emoji get and delete routes

* basic emoji details + deletion using rtk query

* refactor emoji upload to rtk query

* clean up old redux api+reducers for custom emoji

* fix validation order

* refactor custom emoji form fields

* remove unused requires

* cleanup, fix most eslint errors

* more small eslint fixes

* fix max emoji size

* tiny bit of function documentation

1 files changed, 86 insertions, 0 deletions

diff --git a/web/source/settings/admin/emoji/detail.js b/web/source/settings/admin/emoji/detail.js
new file mode 100644
index 000000000..cc0f8e73c
--- /dev/null
+++ b/web/source/settings/admin/emoji/detail.js
@@ -0,0 +1,86 @@
+/*
+	GoToSocial
+	Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
+
+	This program is free software: you can redistribute it and/or modify
+	it under the terms of the GNU Affero General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU Affero General Public License for more details.
+
+	You should have received a copy of the GNU Affero General Public License
+	along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+"use strict";
+
+const React = require("react");
+
+const { useRoute, Link, Redirect } = require("wouter");
+
+const BackButton = require("../../components/back-button");
+
+const query = require("../../lib/query");
+
+const base = "/settings/admin/custom-emoji";
+
+/* We wrap the component to generate formFields with a setter depending on the domain
+	 if formFields() is used inside the same component that is re-rendered with their state,
+	 inputs get re-created on every change, causing them to lose focus, and bad performance
+*/
+module.exports = function EmojiDetailWrapped() {
+	let [_match, {emojiId}] = useRoute(`${base}/:emojiId`);
+	const {currentData: emoji, isLoading, error} = query.useGetEmojiQuery(emojiId);
+
+	return (<>
+		{error && <div className="error accent">{error.status}: {error.data.error}</div>}
+		{isLoading
+			? "Loading..."
+			: <EmojiDetail emoji={emoji}/>
+		}
+	</>);
+};
+
+function EmojiDetail({emoji}) {
+	if (emoji == undefined) {
+		return (<>
+			<Link to={base}>
+				<a className="button">go back</a>
+			</Link>
+		</>);
+	}
+
+	return (
+		<div>
+			<h1><BackButton to={base}/> Custom Emoji: {emoji.shortcode}</h1>
+			<DeleteButton id={emoji.id}/>
+			<p>
+				Editing custom emoji isn&apos;t implemented yet.<br/>
+				<a target="_blank" rel="noreferrer" href="https://github.com/superseriousbusiness/gotosocial/issues/797">View implementation progress.</a>
+			</p>
+			<img src={emoji.url} alt={emoji.shortcode} title={`:${emoji.shortcode}:`}/>
+		</div>
+	);
+}
+
+function DeleteButton({id}) {
+	// TODO: confirmation dialog?
+	const [deleteEmoji, deleteResult] = query.useDeleteEmojiMutation();
+
+	let text = "Delete this emoji";
+	if (deleteResult.isLoading) {
+		text = "processing...";
+	}
+
+	if (deleteResult.isSuccess) {
+		return <Redirect to={base}/>;
+	}
+
+	return (
+		<button onClick={() => deleteEmoji(id)} disabled={deleteResult.isLoading}>{text}</button>
+	);
+}
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