[feature] Move + alias account via settings panel (#2519)

* [feature] Move + alias account via settings panel

* lint

* type a bit more diligently

web/source/settings/index.js

@@ -30,6 +30,10 @@ const Loading = require("./components/loading");
 const UserLogoutCard = require("./components/user-logout-card");
 const { RoleContext } = require("./lib/navigation/util");
 
+const UserProfile = require("./user/profile").default;
+const UserSettings = require("./user/settings").default;
+const UserMigration = require("./user/migration").default;
+
 const DomainPerms = require("./admin/domain-permissions").default;
 const DomainPermsImportExport = require("./admin/domain-permissions/import-export").default;
 
@@ -39,8 +43,9 @@ require("./style.css");
 
 const { Sidebar, ViewRouter } = createNavigation("/settings", [
 	Menu("User", [
-		Item("Profile", { icon: "fa-user" }, require("./user/profile")),
-		Item("Settings", { icon: "fa-cogs" }, require("./user/settings")),
+		Item("Profile", { icon: "fa-user" }, UserProfile),
+		Item("Settings", { icon: "fa-cogs" }, UserSettings),
+		Item("Migration", { icon: "fa-exchange" }, UserMigration),
 	]),
 	Menu("Moderation", {
 		url: "admin",

web/source/settings/lib/form/array.ts

@@ -0,0 +1,92 @@
+/*
+	GoToSocial
+	Copyright (C) GoToSocial Authors admin@gotosocial.org
+	SPDX-License-Identifier: AGPL-3.0-or-later
+
+	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/>.
+*/
+
+import { useRef, useMemo } from "react";
+
+import type {
+	CreateHookNames,
+	HookOpts,
+	ArrayInputHook,
+	HookedForm,
+} from "./types";
+import getFormMutations from "./get-form-mutations";
+
+function parseFields(entries: HookedForm[], length: number): HookedForm[] {
+	const fields: HookedForm[] = [];
+
+	for (let i = 0; i < length; i++) {
+		if (entries[i] != undefined) {
+			fields[i] = Object.assign({}, entries[i]);
+		} else {
+			fields[i] = {};
+		}
+	}
+
+	return fields;
+}
+
+export default function useArrayInput(
+	{ name }: CreateHookNames,
+	{
+		initialValue,
+		length = 0,
+	}: HookOpts,
+): ArrayInputHook {
+	const _default: HookedForm[] = Array(length);
+	const fields = useRef<HookedForm[]>(_default);
+
+	const value = useMemo(
+		() => parseFields(initialValue, length),
+		[initialValue, length],
+	);
+
+	function hasUpdate() {
+		return Object.values(fields.current).some((fieldSet) => {
+			const { updatedFields } = getFormMutations(fieldSet, { changedOnly: true });
+			return updatedFields.length > 0;
+		});
+	}
+
+	return {
+		_default,
+		name,
+		Name: "",
+		value,
+		ctx: fields.current,
+		maxLength: length,
+		hasChanged: hasUpdate,
+		selectedValues() {
+			if (hasUpdate()) {
+				return Object.values(fields.current)
+					// Extract all form fields.
+					.flatMap((fieldSet) => {
+						return getFormMutations(
+							fieldSet,
+							{ changedOnly: false },
+						).updatedFields;
+					})
+					// Get just value from each
+					// field, discarding name.
+					.map((field) => field.value);
+			} else {
+				return [];
+			}
+		}
+	};
+}

web/source/settings/lib/form/field-array.tsx

@@ -42,7 +42,7 @@ function parseFields(entries: HookedForm[], length: number): HookedForm[] {
 	return fields;
 }
 
-export default function useArrayInput(
+export default function useFieldArrayInput(
 	{ name }: CreateHookNames,
 	{
 		initialValue,

web/source/settings/lib/form/get-form-mutations.ts

@@ -22,7 +22,12 @@ import { FormInputHook, HookedForm } from "./types";
 export default function getFormMutations(
 	form: HookedForm,
 	{ changedOnly }: { changedOnly: boolean },
-) {
+): {
+	updatedFields: FormInputHook<any>[];
+	mutationData: {
+		[k: string]: any;
+	};
+} {
 	const updatedFields: FormInputHook[] = [];
 	const mutationData: Array<[string, any]> = [];
 	
@@ -34,7 +39,7 @@ export default function getFormMutations(
 		}
 		
 		if ("selectedValues" in field) {
-			// FieldArrayInputHook.
+			// (Field)ArrayInputHook.
 			const selected = field.selectedValues();
 			if (!changedOnly || selected.length > 0) {
 				updatedFields.push(field);

web/source/settings/lib/form/index.ts

@@ -26,6 +26,7 @@ import bool from "./bool";
 import radio from "./radio";
 import combobox from "./combo-box";
 import checklist from "./check-list";
+import array from "./array";
 import fieldarray from "./field-array";
 
 import type {
@@ -37,8 +38,9 @@ import type {
 	FileFormInputHook,
 	BoolFormInputHook,
 	ComboboxFormInputHook,
-	FieldArrayInputHook,
 	ChecklistInputHook,
+	FieldArrayInputHook,
+	ArrayInputHook,
 } from "./types";
 
 function capitalizeFirst(str: string) {
@@ -110,5 +112,6 @@ export const useBoolInput = inputHook(bool) as (_name: string, _opts?: HookOpts<
 export const useRadioInput = inputHook(radio) as (_name: string, _opts?: HookOpts<string>) => RadioFormInputHook;
 export const useComboBoxInput = inputHook(combobox) as (_name: string, _opts?: HookOpts<string>) => ComboboxFormInputHook;
 export const useCheckListInput = inputHook(checklist) as (_name: string, _opts?: HookOpts<boolean>) => ChecklistInputHook;
+export const useArrayInput = inputHook(array) as (_name: string, _opts?: HookOpts<string[]>) => ArrayInputHook;
 export const useFieldArrayInput = inputHook(fieldarray) as (_name: string, _opts?: HookOpts<string>) => FieldArrayInputHook;
 export const useValue = value as <T>(_name: string, _initialValue: T) => FormInputHook<T>;

web/source/settings/lib/form/types.ts

@@ -141,6 +141,10 @@ interface _withNew {
 }
 
 interface _withSelectedValues {
+	selectedValues: () => string[];
+}
+
+interface _withSelectedFieldValues {
 	selectedValues: () => {
 		[_: string]: any;
 	}[]
@@ -200,11 +204,16 @@ export interface ComboboxFormInputHook extends FormInputHook<string>,
 	_withNew,
 	_withReset {}
 
-export interface FieldArrayInputHook extends FormInputHook<HookedForm[]>,
+export interface ArrayInputHook extends FormInputHook<HookedForm[]>,
 	_withSelectedValues,
 	_withMaxLength,
 	_withCtx {}
 
+export interface FieldArrayInputHook extends FormInputHook<HookedForm[]>,
+	_withSelectedFieldValues,
+	_withMaxLength,
+	_withCtx {}
+
 export interface Checkable {
 	key: string;
 	checked?: boolean;
@@ -213,7 +222,7 @@ export interface Checkable {
 export interface ChecklistInputHook<T = Checkable> extends FormInputHook<{[k: string]: T}>,
 	_withReset,
 	_withToggleAll,
-	_withSelectedValues,
+	_withSelectedFieldValues,
 	_withSomeSelected,
 	_withUpdateMultiple {
 		// Uses its own funky onChange handler.

web/source/settings/lib/query/user/index.ts

@@ -19,6 +19,10 @@
 
 import { replaceCacheOnMutation } from "../query-modifiers";
 import { gtsApi } from "../gts-api";
+import type {
+	MoveAccountFormData,
+	UpdateAliasesFormData
+} from "../../types/migration";
 
 const extended = gtsApi.injectEndpoints({
 	endpoints: (build) => ({
@@ -38,6 +42,30 @@ const extended = gtsApi.injectEndpoints({
 				url: `/api/v1/user/password_change`,
 				body: data
 			})
+		}),
+		aliasAccount: build.mutation<any, UpdateAliasesFormData>({
+			async queryFn(formData, _api, _extraOpts, fetchWithBQ) {
+				// Pull entries out from the hooked form.
+				const entries: String[] = [];
+				formData.also_known_as_uris.forEach(entry => {
+					if (entry) {
+						entries.push(entry);
+					}
+				});
+
+				return fetchWithBQ({
+					method: "POST",
+					url: `/api/v1/accounts/alias`,
+					body: { also_known_as_uris: entries },
+				});
+			}
+		}),
+		moveAccount: build.mutation<any, MoveAccountFormData>({
+			query: (data) => ({
+				method: "POST",
+				url: `/api/v1/accounts/move`,
+				body: data
+			})
 		})
 	})
 });
@@ -45,4 +73,6 @@ const extended = gtsApi.injectEndpoints({
 export const {
 	useUpdateCredentialsMutation,
 	usePasswordChangeMutation,
+	useAliasAccountMutation,
+	useMoveAccountMutation,
 } = extended;

web/source/settings/lib/types/migration.ts

@@ -0,0 +1,27 @@
+/*
+	GoToSocial
+	Copyright (C) GoToSocial Authors admin@gotosocial.org
+	SPDX-License-Identifier: AGPL-3.0-or-later
+
+	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/>.
+*/
+
+export interface UpdateAliasesFormData {
+	also_known_as_uris: string[];
+}
+
+export interface MoveAccountFormData {
+	moved_to_uri: string;
+	password: string;
+}

web/source/settings/style.css

@@ -51,7 +51,8 @@ ul li::before {
 		border-radius: $br;
 		max-width: 100%;
 
-		& > div, & > form {
+		& > div,
+		& > form {
 			border-left: 0.2rem solid $border-accent;
 			padding-left: 0.4rem;
 			display: flex;
@@ -59,13 +60,14 @@ ul li::before {
 			gap: 0.5rem;
 			margin: 1rem 0;
 
-			h2 {
+			h1, h2 {
 				margin: 0;
 				margin-top: 0.1rem;
 			}
 
 			&:only-child {
 				border-left: none;
+				padding-left: none;
 			}
 
 			&:first-child {
@@ -76,7 +78,8 @@ ul li::before {
 				margin-bottom: 0;
 			}
 
-			&.without-border {
+			&.without-border,
+			.without-border {
 				border-left: 0;
 				padding-left: 0;
 			}
@@ -410,6 +413,19 @@ section.with-sidebar > div, section.with-sidebar > form {
 	}
 }
 
+/*
+	Normalize mock profile and make profile
+	header preview pop a bit nicer.
+*/
+.profile {
+	padding: 0;
+
+	& > .profile-header {
+		margin-bottom: 0;
+		border: 0.1rem solid $gray1;
+	}
+}
+
 .user-profile {
 	.overview {
 		display: grid;
@@ -418,14 +434,6 @@ section.with-sidebar > div, section.with-sidebar > form {
 		grid-template-rows: 100%;
 		gap: 1rem;
 
-		.profile {
-			padding: 0;
-
-			.header {
-				border: 0.1rem solid $gray1;
-			}
-		}
-
 		.files {
 			width: 100%;
 			display: flex;
@@ -451,6 +459,36 @@ section.with-sidebar > div, section.with-sidebar > form {
 	}
 }
 
+.migration-details {
+	display: flex;
+	flex-direction: column;
+	gap: 1rem;
+
+	background-color: $gray2;
+	padding: 1rem;
+	max-width: fit-content;
+	border-radius: $br;
+
+	& > div {
+		display: flex;
+		flex-direction: column;
+		gap: 0.25rem;
+
+		& > dd {
+			font-weight: bold;
+			word-wrap: anywhere;
+		}
+	}
+}
+
+.user-migration-alias {
+	.aliases {
+		display: flex;
+		flex-direction: column;
+		gap: 0.5rem;
+	}
+}
+
 form {
 	display: flex;
 	flex-direction: column;

web/source/settings/user/migration.tsx

@@ -0,0 +1,206 @@
+/*
+	GoToSocial
+	Copyright (C) GoToSocial Authors admin@gotosocial.org
+	SPDX-License-Identifier: AGPL-3.0-or-later
+
+	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/>.
+*/
+
+import React from "react";
+
+import FormWithData from "../lib/form/form-with-data";
+
+import { useVerifyCredentialsQuery } from "../lib/query/oauth";
+import { useArrayInput, useTextInput } from "../lib/form";
+import { TextInput } from "../components/form/inputs";
+import useFormSubmit from "../lib/form/submit";
+import MutationButton from "../components/form/mutation-button";
+import { useAliasAccountMutation, useMoveAccountMutation } from "../lib/query/user";
+import { FormContext, useWithFormContext } from "../lib/form/context";
+import { store } from "../redux/store";
+
+export default function UserMigration() {
+	return (
+		<FormWithData
+			dataQuery={useVerifyCredentialsQuery}
+			DataForm={UserMigrationForm}
+		/>
+	);
+}
+
+function UserMigrationForm({ data: profile }) {
+	let urlStr = store.getState().oauth.instanceUrl ?? "";
+	let url = new URL(urlStr);
+
+	return (
+		<>
+			<h2>Account Migration Settings</h2>
+			<p>
+				The following settings allow you to <strong>alias</strong> your account to another account
+				elsewhere, and to <strong>move</strong> your followers and following lists to another account.
+			</p>
+			<p>
+				Account <strong>aliasing</strong> is harmless and reversible; you can
+				set and unset up to five account aliases as many times as you wish.
+			</p>
+			<p>
+				The account <strong>move</strong> action, on the other hand, has serious and irreversible consequences.
+			</p>
+			<p>
+				To move, you must set an alias from your account to the target account, using this settings panel.
+			</p>
+			<p>
+				You must also set an alias from the target account back to your account, using
+				the settings panel of the instance on which the target account resides.
+			</p>
+			<p>
+				Provide the following details to the other instance: 
+			</p>
+			<dl className="migration-details">
+				<div>
+					<dt>Account handle/username:</dt>
+					<dd>@{profile.acct}@{url.host}</dd>
+				</div>
+				<div>
+					<dt>Account URI:</dt>
+					<dd>{urlStr}/users/{profile.username}</dd>
+				</div>
+			</dl>
+			<p>
+				For more information on account migration, please see <a href="https://docs.gotosocial.org/en/latest/user_guide/settings/#alias-account" target="_blank" className="docslink" rel="noreferrer">the documentation</a>.
+			</p>
+			<AliasForm data={profile} />
+			<MoveForm data={profile} />
+		</>
+	);
+}
+
+function AliasForm({ data: profile }) {
+	const form = {
+		alsoKnownAs: useArrayInput("also_known_as_uris", {
+			source: profile,
+			valueSelector: (p) => (
+				p.source?.also_known_as_uris
+					? p.source?.also_known_as_uris.map(entry => [entry])
+					: []
+			),
+			length: 5,
+		}),
+	};
+
+	const [submitForm, result] = useFormSubmit(form, useAliasAccountMutation());
+	
+	return (
+		<form className="user-migration-alias" onSubmit={submitForm}>
+			<div className="form-section-docs without-border">
+				<h3>Alias Account</h3>
+				<a
+					href="https://docs.gotosocial.org/en/latest/user_guide/settings/#alias-account"
+					target="_blank"
+					className="docslink"
+					rel="noreferrer"
+				>
+					Learn more about account aliasing (opens in a new tab)
+				</a>
+			</div>
+			<AlsoKnownAsURIs
+				field={form.alsoKnownAs}
+			/>
+			<MutationButton
+				disabled={false}
+				label="Save account aliases"
+				result={result}
+			/>
+		</form>
+	);
+}
+
+function AlsoKnownAsURIs({ field: formField }) {	
+	return (
+		<div className="aliases">
+			<FormContext.Provider value={formField.ctx}>
+				{formField.value.map((data, i) => (
+					<AlsoKnownAsURI
+						key={i}
+						index={i}
+						data={data}
+					/>
+				))}
+			</FormContext.Provider>
+		</div>
+	);
+}
+
+function AlsoKnownAsURI({ index, data }) {	
+	const name = `${index}`;
+	const form = useWithFormContext(index, {
+		alsoKnownAsURI: useTextInput(
+			name,
+			// Only one field per entry.
+			{ defaultValue: data[0] ?? "" },
+		),
+	}); 
+
+	return (
+		<TextInput
+			label={`Alias #${index+1}`}
+			field={form.alsoKnownAsURI}
+			placeholder={`https://example.org/users/my_other_account_${index+1}`}
+		/>
+	);
+}
+
+function MoveForm({ data: profile }) {
+	const form = {
+		movedToURI: useTextInput("moved_to_uri", {
+			source: profile,
+			valueSelector: (p) => p.moved?.uri },
+		),
+		password: useTextInput("password"),
+	};
+
+	const [submitForm, result] = useFormSubmit(form, useMoveAccountMutation());
+	
+	return (
+		<form className="user-migration-move" onSubmit={submitForm}>
+			<div className="form-section-docs without-border">
+				<h3>Move Account</h3>
+				<a
+					href="https://docs.gotosocial.org/en/latest/user_guide/settings/#move-account"
+					target="_blank"
+					className="docslink"
+					rel="noreferrer"
+				>
+					Learn more about moving your account (opens in a new tab)
+				</a>
+			</div>
+			<TextInput
+				field={form.movedToURI}
+				label="Move target URI"
+				placeholder="https://example.org/users/my_new_account"
+			/>
+			<TextInput
+				type="password"
+				name="password"
+				field={form.password}
+				label="Confirm account password"
+			/>
+			<MutationButton
+				disabled={false}
+				label="Confirm account move"
+				result={result}
+			/>
+		</form>
+	);
+}

web/source/settings/user/profile.tsx

@@ -17,41 +17,41 @@
 	along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-const React = require("react");
+import React from "react";
 
-const {
+import {
 	useTextInput,
 	useFileInput,
 	useBoolInput,
 	useFieldArrayInput
-} = require("../lib/form");
+} from "../lib/form";
 
-const useFormSubmit = require("../lib/form/submit").default;
-const { useWithFormContext, FormContext } = require("../lib/form/context");
+import useFormSubmit from "../lib/form/submit";
+import { useWithFormContext, FormContext } from "../lib/form/context";
 
-const {
+import {
 	TextInput,
 	TextArea,
 	FileInput,
 	Checkbox
-} = require("../components/form/inputs");
+} from "../components/form/inputs";
 
-const FormWithData = require("../lib/form/form-with-data").default;
-const FakeProfile = require("../components/fake-profile");
-const MutationButton = require("../components/form/mutation-button");
+import FormWithData from "../lib/form/form-with-data";
+import FakeProfile from "../components/fake-profile";
+import MutationButton from "../components/form/mutation-button";
 
-const { useInstanceV1Query } = require("../lib/query");
-const { useUpdateCredentialsMutation } = require("../lib/query/user");
-const { useVerifyCredentialsQuery } = require("../lib/query/oauth");
+import { useInstanceV1Query } from "../lib/query";
+import { useUpdateCredentialsMutation } from "../lib/query/user";
+import { useVerifyCredentialsQuery } from "../lib/query/oauth";
 
-module.exports = function UserProfile() {
+export default function UserProfile() {
 	return (
 		<FormWithData
 			dataQuery={useVerifyCredentialsQuery}
 			DataForm={UserProfileForm}
 		/>
 	);
-};
+}
 
 function UserProfileForm({ data: profile }) {
 	/*
@@ -91,6 +91,7 @@ function UserProfileForm({ data: profile }) {
 	};
 
 	const [submitForm, result] = useFormSubmit(form, useUpdateCredentialsMutation(), {
+		changedOnly: true,
 		onFinish: () => {
 			form.avatar.reset();
 			form.header.reset();
@@ -195,7 +196,11 @@ function UserProfileForm({ data: profile }) {
 				rows={8}
 				disabled={!instanceConfig.allowCustomCSS}
 			/>
-			<MutationButton label="Save profile info" result={result} />
+			<MutationButton
+				disabled={false}
+				label="Save profile info"
+				result={result}
+			/>
 		</form>
 	);
 }

web/source/settings/user/settings.tsx

@@ -17,35 +17,28 @@
 	along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-const React = require("react");
+import React from "react";
 
-const query = require("../lib/query");
+import query from "../lib/query";
 
-const {
-	useTextInput,
-	useBoolInput
-} = require("../lib/form");
+import { useTextInput, useBoolInput } from "../lib/form";
 
-const useFormSubmit = require("../lib/form/submit").default;
+import useFormSubmit from "../lib/form/submit";
 
-const {
-	Select,
-	TextInput,
-	Checkbox
-} = require("../components/form/inputs");
+import { Select, TextInput, Checkbox } from "../components/form/inputs";
 
-const FormWithData = require("../lib/form/form-with-data").default;
-const Languages = require("../components/languages");
-const MutationButton = require("../components/form/mutation-button");
+import FormWithData from "../lib/form/form-with-data";
+import Languages from "../components/languages";
+import MutationButton from "../components/form/mutation-button";
 
-module.exports = function UserSettings() {
+export default function UserSettings() {
 	return (
 		<FormWithData
 			dataQuery={query.useVerifyCredentialsQuery}
 			DataForm={UserSettingsForm}
 		/>
 	);
-};
+}
 
 function UserSettingsForm({ data }) {
 	/* form keys
@@ -94,11 +87,13 @@ function UserSettingsForm({ data }) {
 					label="Mark my posts as sensitive by default"
 				/>
 
-				<MutationButton label="Save settings" result={result} />
+				<MutationButton
+					disabled={false}
+					label="Save settings"
+					result={result}
+				/>
 			</form>
-			<div>
-				<PasswordChange />
-			</div>
+			<PasswordChange />
 		</>
 	);
 }
@@ -148,7 +143,11 @@ function PasswordChange() {
 				field={verifyNewPassword}
 				label="Confirm new password"
 			/>
-			<MutationButton label="Change password" result={result} />
+			<MutationButton
+				disabled={false}
+				label="Change password"
+				result={result}
+			/>
 		</form>
 	);
 }