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import React, { useState, useCallback, useEffect } from "react"; import { LogFilter, LogHeader, listLogs, logFilterToQueryString } from "../lib/rpdata/logs"; const stuff = [0,1,2,3,4,5,6,7,8]; import gqlBrowserClient from "../lib/client/graphql"; import { useRouter } from "next/dist/client/router";
export interface LogListContextData { filter: LogFilter headers: LogHeader[] loading: boolean error: Error | null
updateFilter: (filter: LogFilter) => void refresh: () => void }
const LogListContext: React.Context<LogListContextData> = React.createContext({ filter:{}, error: null, headers:[], loading:Boolean(), updateFilter:(filter)=>{},refresh:()=>{} });
interface StaticLogListContextProviderProps { filter: LogFilter header: LogHeader[] children: any }
export function StaticLogListContextProvider(props: StaticLogListContextProviderProps) { const updateFilterCallback = useCallback((_) => { throw new Error("StaticLogListContextProvider's filter cannot be updated"); }, []);
const refreshCallback = useCallback(() => { throw new Error("StaticLogListContextProvider cannot be refreshed"); }, []);
return ( <LogListContext.Provider value={{ filter: props.filter, headers: props.header, updateFilter: updateFilterCallback, refresh: refreshCallback, loading: false, error: null, }}> {props.children} </LogListContext.Provider> ); }
interface LogListContextProviderProps { initialFilter: LogFilter initialHeader: LogHeader[] children: any }
export function LogListContextProvider(props: LogListContextProviderProps) { const [dirty, setDirty] = useState(false); const [loading, setLoading] = useState(false); const [error, setError] = useState<Error>(null); const [filter, setFilter] = useState<LogFilter>(props.initialFilter); const [headers, setHeaders] = useState<LogHeader[]>(props.initialHeader); const router = useRouter();
const updateFilter = useCallback((filter: LogFilter) => { history.replaceState({}, document.title, router.pathname + logFilterToQueryString(filter));
setFilter(filter); setDirty(true); }, [router.pathname]);
const refresh = useCallback(() => { setDirty(true); }, []);
useEffect(() => { if (!dirty && !loading) { return; }
setLoading(true); setDirty(false);
listLogs(gqlBrowserClient, filter).then(headers => { setHeaders(headers); }).catch(err => { setError(err); }).then(() => { setLoading(true); }); }, [filter, dirty, loading]);
return ( <LogListContext.Provider value={{loading, filter, headers, error, updateFilter, refresh}}> {props.children} </LogListContext.Provider> ); }
export default LogListContext;
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