gotosocial/web/source/settings/admin/emoji/local/new-emoji.js

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/*
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 Promise = require('bluebird');
const React = require("react");
const FakeToot = require("../../../components/fake-toot");
const MutateButton = require("../../../components/mutation-button");
const {
useTextInput,
useFileInput,
useComboBoxInput
} = require("../../../components/form");
const query = require("../../../lib/query");
const { CategorySelect } = require('../category-select');
const shortcodeRegex = /^[a-z0-9_]+$/;
module.exports = function NewEmojiForm({ emoji }) {
const emojiCodes = React.useMemo(() => {
return new Set(emoji.map((e) => e.shortcode));
}, [emoji]);
const [addEmoji, result] = query.useAddEmojiMutation();
const [onFileChange, resetFile, { image, imageURL, imageInfo }] = useFileInput("image", {
withPreview: true,
maxSize: 50 * 1024
});
const [onShortcodeChange, resetShortcode, { shortcode, setShortcode, shortcodeRef }] = useTextInput("shortcode", {
validator: function validateShortcode(code) {
// technically invalid, but hacky fix to prevent validation error on page load
if (shortcode == "") {return "";}
if (emojiCodes.has(code)) {
return "Shortcode already in use";
}
if (code.length < 2 || code.length > 30) {
return "Shortcode must be between 2 and 30 characters";
}
if (code.toLowerCase() != code) {
return "Shortcode must be lowercase";
}
if (!shortcodeRegex.test(code)) {
return "Shortcode must only contain lowercase letters, numbers, and underscores";
}
return "";
}
});
const [categoryState, resetCategory, { category }] = useComboBoxInput("category");
React.useEffect(() => {
if (shortcode.length == 0) {
if (image != undefined) {
let [name, _ext] = image.name.split(".");
setShortcode(name);
}
}
// we explicitly don't want to add 'shortcode' as a dependency here
// because we only want this to update to the filename if the field is empty
// at the moment the file is selected, not some time after when the field is emptied
// eslint-disable-next-line react-hooks/exhaustive-deps
}, [image]);
function uploadEmoji(e) {
if (e) {
e.preventDefault();
}
Promise.try(() => {
return addEmoji({
image,
shortcode,
category
}).unwrap();
}).then(() => {
resetFile();
resetShortcode();
resetCategory();
}).catch((e) => {
console.error("Emoji upload error:", e);
});
}
let emojiOrShortcode = `:${shortcode}:`;
if (imageURL != undefined) {
emojiOrShortcode = <img
className="emoji"
src={imageURL}
title={`:${shortcode}:`}
alt={shortcode}
/>;
}
return (
<div>
<h2>Add new custom emoji</h2>
<FakeToot>
Look at this new custom emoji {emojiOrShortcode} isn&apos;t it cool?
</FakeToot>
<form onSubmit={uploadEmoji} className="form-flex">
<div className="form-field file">
<label className="file-input button" htmlFor="image">
Browse
</label>
{imageInfo}
<input
className="hidden"
type="file"
id="image"
name="Image"
accept="image/png,image/gif"
onChange={onFileChange}
/>
</div>
<div className="form-field text">
<label htmlFor="shortcode">
Shortcode, must be unique among the instance's local emoji
</label>
<input
type="text"
id="shortcode"
name="Shortcode"
ref={shortcodeRef}
onChange={onShortcodeChange}
value={shortcode}
/>
</div>
<CategorySelect
value={category}
categoryState={categoryState}
/>
<MutateButton text="Upload emoji" result={result} />
</form>
</div>
);
};