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import { useState, useEffect } from "react";
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import type { CloudFilesystem } from "@cocalc/util/db-schema/cloud-filesystems";
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import { getCloudFilesystems } from "./api";
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// This uses potentially 30 second stale cached data if available, doesn't update automatically.
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// We should improve that later, probably switching a changefeed like with compute servers, etc.
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// But for v0 this is fine.
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export function useCloudFilesystem({
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  cloud_filesystem_id,
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  refresh,
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}: {
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  cloud_filesystem_id: number;
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  refresh?: number;
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}): [CloudFilesystem | null, string, (string) => void] {
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  const [filsystem, setFilesystem] = useState<CloudFilesystem | null>(null);
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  const [error, setError] = useState<string>("");
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  useEffect(() => {
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    (async () => {
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      let v;
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      try {
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        setError("");
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        v = await getCloudFilesystems({
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          id: cloud_filesystem_id,
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          cache: true,
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        });
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      } catch (err) {
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        setError(`${err}`);
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        return;
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      }
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      if (v.length != 1) {
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        setError(`no cloud file system with global id ${cloud_filesystem_id}`);
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      } else {
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        setFilesystem(v[0]);
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      }
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    })();
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  }, [refresh]);
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  return [filsystem, error, setError];
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}
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