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https://github.com/zoriya/Kyoo.git
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128 lines
3.5 KiB
TypeScript
128 lines
3.5 KiB
TypeScript
/*
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* Kyoo - A portable and vast media library solution.
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* Copyright (c) Kyoo.
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*
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* See AUTHORS.md and LICENSE file in the project root for full license information.
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*
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* Kyoo is free software: you can redistribute it and/or modify
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* it under the terms of the GNU 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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* any later version.
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*
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* Kyoo 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Kyoo. If not, see <https://www.gnu.org/licenses/>.
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*/
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import { Page, QueryIdentifier, useFetch, KyooErrors } from "@kyoo/models";
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import { Breakpoint, P } from "@kyoo/primitives";
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import { View } from "react-native";
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import { useYoshiki } from "yoshiki/native";
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export type Layout = { numColumns: Breakpoint<number>; size: Breakpoint<number> };
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export type WithLoading<Item> =
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| (Item & { isLoading: false })
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| (Partial<Item> & { isLoading: true });
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// We keep a Partial<Item> on the error value to allow destructuring.
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export type WithError<Item> =
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| (Item & { isError: false; error: undefined })
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| (Partial<Item> & { isError: true; error: KyooErrors });
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const isPage = <T = unknown,>(obj: unknown): obj is Page<T> =>
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(typeof obj === "object" && obj && "items" in obj) || false;
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export const FetchNE = <Data,>({
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query,
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placeholderCount = 1,
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children,
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}: {
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query: QueryIdentifier<Data>;
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placeholderCount?: number;
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children: (
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item: Data extends Page<infer Item>
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? WithError<WithLoading<Item>>
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: WithError<WithLoading<Data>>,
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i: number,
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) => JSX.Element | null;
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}): JSX.Element | null => {
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const { data, error } = useFetch(query);
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// @ts-ignore
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if (error) return children({ isError: true, error }, 0);
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if (!data) {
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const placeholders = [...Array(placeholderCount)].map((_, i) =>
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children({ isLoading: true } as any, i),
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);
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return <>{placeholderCount === 1 ? placeholders[0] : placeholders}</>;
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}
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if (!isPage<object>(data))
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return children(data ? { ...data, isLoading: false } : ({ isLoading: true } as any), 0);
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return <>{data.items.map((item, i) => children({ ...item, isLoading: false } as any, i))}</>;
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};
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export const Fetch = <Data,>({
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children,
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...params
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}: {
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query: QueryIdentifier<Data>;
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placeholderCount?: number;
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children: (
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item: Data extends Page<infer Item> ? WithLoading<Item> : WithLoading<Data>,
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i: number,
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) => JSX.Element | null;
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}): JSX.Element | null => {
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return (
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<FetchNE {...params}>
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{({ isError, error, ...item }, i) =>
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// @ts-ignore
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isError ? <ErrorView error={error} /> : children(item, i)
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}
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</FetchNE>
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);
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};
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export const ErrorView = ({ error }: { error: KyooErrors }) => {
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const { css } = useYoshiki();
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return (
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<View
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{...css({
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backgroundColor: (theme) => theme.colors.red,
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flexGrow: 1,
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flexShrink: 1,
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justifyContent: "center",
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alignItems: "center",
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})}
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>
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{error.errors.map((x, i) => (
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<P key={i} {...css({ color: (theme) => theme.colors.white })}>
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{x}
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</P>
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))}
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</View>
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);
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};
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export const EmptyView = ({ message }: { message: string }) => {
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const { css } = useYoshiki();
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return (
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<View
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{...css({
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flexGrow: 1,
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flexShrink: 1,
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justifyContent: "center",
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alignItems: "center",
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})}
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>
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<P {...css({ color: (theme) => theme.heading })}>{message}</P>
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</View>
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);
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};
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