mirror of
https://github.com/superseriousbusiness/gotosocial.git
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114 lines
2.9 KiB
TypeScript
114 lines
2.9 KiB
TypeScript
/*
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GoToSocial
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Copyright (C) GoToSocial Authors admin@gotosocial.org
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SPDX-License-Identifier: AGPL-3.0-or-later
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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import React, { ReactNode } from "react";
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import { useLocation } from "wouter";
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import { Error } from "./error";
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import { SerializedError } from "@reduxjs/toolkit";
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import { FetchBaseQueryError } from "@reduxjs/toolkit/query";
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import { Links } from "parse-link-header";
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import Loading from "./loading";
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export interface PageableListProps<T> {
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isSuccess: boolean;
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items?: T[];
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itemToEntry: (_item: T) => ReactNode;
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isLoading: boolean;
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isFetching: boolean;
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isError: boolean;
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error: FetchBaseQueryError | SerializedError | undefined;
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emptyMessage: ReactNode;
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prevNextLinks?: Links | null | undefined;
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}
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export function PageableList<T>({
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isLoading,
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isFetching,
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isSuccess,
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items,
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itemToEntry,
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isError,
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error,
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emptyMessage,
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prevNextLinks,
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}: PageableListProps<T>) {
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const [ location, setLocation ] = useLocation();
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if (!(isSuccess || isError)) {
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// Hasn't been called yet.
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return null;
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}
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if (isLoading || isFetching) {
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return <Loading />;
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}
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if (error) {
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return <Error error={error} />;
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}
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// Map response to items if possible.
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let content: ReactNode;
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if (items == undefined || items.length == 0) {
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content = <b>{emptyMessage}</b>;
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} else {
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content = (
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<div className="entries">
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{items.map(item => itemToEntry(item))}
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</div>
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);
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}
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// If it's possible to page to next and previous
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// pages, instantiate button handlers for this.
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let prevClick: (() => void) | undefined;
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let nextClick: (() => void) | undefined;
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if (prevNextLinks) {
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const prev = prevNextLinks["prev"];
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if (prev) {
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const prevUrl = new URL(prev.url);
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const prevParams = prevUrl.search;
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prevClick = () => {
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setLocation(location + prevParams.toString());
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};
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}
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const next = prevNextLinks["next"];
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if (next) {
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const nextUrl = new URL(next.url);
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const nextParams = nextUrl.search;
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nextClick = () => {
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setLocation(location + nextParams.toString());
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};
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}
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}
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return (
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<div className="list pageable-list">
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{ content }
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{ prevNextLinks &&
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<div className="prev-next">
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{ prevClick && <button onClick={prevClick}>Previous page</button> }
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{ nextClick && <button onClick={nextClick}>Next page</button> }
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</div>
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}
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</div>
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);
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}
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