[frontend] Unified panels (#812)

* settings panel restructuring

* clean up old Gin handlers

* colorscheme redesign, some other small css tweaks

* basic router layout, error boundary

* colorscheme redesign, some other small css tweaks

* kebab-case consistency

* superfluous padding on applist

* remove unused consts

* redux, whitespace changes..

* use .jsx extensions for components

* login flow up till app registration

* full redux oauth implementation, with basic error handling

* split oauth api functions

* oauth api revocation handling

* basic profile change submission

* move old dir

* profile overview

* fix keeping track of the wrong instance url (for different instance/api domains)

* use redux state for profile form

* delete old/index.js, old/basic.js, fully implemented

* implement old/user/profile.js

* implement password change

* remove debug logging

* support future api for removing files

* customize profile css

* remove unneeded wrapper components

* restructure form fields

* start on admin pages

* admin panel settings

* admin settings panel

* remove old/admin files

* add top-level redirect

* refactor/cleanup forms

* only do API checks on logged-in state

* admin-status based routing

* federation block routing

* federation blocks

* upgrade dependencies

* react 18 changes

* media cleanup

* fix useEffect hooks

* remove unused require

* custom emoji base

* emoji uploader

* delete last old panel files

* sidebar styling, remove unused page

* refactor submit functions

* fix sidebar boxshadow-border

* fix old css variables

* fix fake-toot avatar

* fix non-square emoji

* fix user settings redux keys

* properly get admin account contact from instance response

* Account.source default values

* source.status_format key

* mobile responsiveness

* mobile element tweaks

* proper redirect after removing block

* add redirects for old setting panel urls

* deletes

* fix mobile overflow

* clean up debug logging calls

1 files changed, 110 insertions, 0 deletions

diff --git a/web/source/settings-panel/admin/settings.js b/web/source/settings-panel/admin/settings.js
new file mode 100644
index 000000000..845a1f924
--- /dev/null
+++ b/web/source/settings-panel/admin/settings.js
@@ -0,0 +1,110 @@
+/*
+	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 Redux = require("react-redux");
+
+const Submit = require("../components/submit");
+
+const api = require("../lib/api");
+const submit = require("../lib/submit");
+
+const adminActions = require("../redux/reducers/instances").actions;
+
+const {
+	TextInput,
+	TextArea,
+	File
+} = require("../components/form-fields").formFields(adminActions.setAdminSettingsVal, (state) => state.instances.adminSettings);
+
+module.exports = function AdminSettings() {
+	const dispatch = Redux.useDispatch();
+
+	const [errorMsg, setError] = React.useState("");
+	const [statusMsg, setStatus] = React.useState("");
+
+	const updateSettings = submit(
+		() => dispatch(api.admin.updateInstance()),
+		{setStatus, setError}
+	);
+
+	return (
+		<div>
+			<h1>Instance Settings</h1>
+			<TextInput
+				id="title"
+				name="Title"
+				placeHolder="My GoToSocial instance"
+			/>
+
+			<TextArea
+				id="short_description"
+				name="Short description"
+				placeHolder="A small testing instance for the GoToSocial alpha."
+			/>
+			<TextArea
+				id="description"
+				name="Full description"
+				placeHolder="A small testing instance for the GoToSocial alpha."
+			/>
+
+			<TextInput
+				id="contact_account.username"
+				name="Contact user (local account username)"
+				placeHolder="admin"
+			/>
+			<TextInput
+				id="email"
+				name="Contact email"
+				placeHolder="admin@example.com"
+			/>
+
+			<TextArea
+				id="terms"
+				name="Terms & Conditions"
+				placeHolder=""
+			/>
+
+			{/* <div className="file-upload">
+				<h3>Instance avatar</h3>
+				<div>
+					<img className="preview avatar" src={instance.avatar} alt={instance.avatar ? `Avatar image for the instance` : "No instance avatar image set"} />
+					<File 
+						id="avatar"
+						fileType="image/*"
+					/>
+				</div>
+			</div>
+
+			<div className="file-upload">
+				<h3>Instance header</h3>
+				<div>
+					<img className="preview header" src={instance.header} alt={instance.header ? `Header image for the instance` : "No instance header image set"} />
+					<File 
+						id="header"
+						fileType="image/*"
+					/>
+				</div>
+			</div> */}
+			<Submit onClick={updateSettings} label="Save" errorMsg={errorMsg} statusMsg={statusMsg} />
+		</div>
+	);
+};
\ No newline at end of file