lbry-desktop/ui/js/selectors/file_info.js

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import lbry from "lbry";
import { createSelector } from "reselect";
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import {
selectClaimsByUri,
selectClaimListMineIsPending,
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selectMyClaimsOutpoints,
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} from "selectors/claims";
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export const _selectState = state => state.fileInfo || {};
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export const selectFileInfosByOutpoint = createSelector(
_selectState,
state => state.byOutpoint || {}
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);
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export const selectFileListIsPending = createSelector(
_selectState,
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state => state.isFileListPending
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);
export const selectFileListDownloadedOrPublishedIsPending = createSelector(
selectFileListIsPending,
selectClaimListMineIsPending,
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(isFileListPending, isClaimListMinePending) =>
isFileListPending || isClaimListMinePending
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);
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export const selectFileInfoForUri = (state, props) => {
const claims = selectClaimsByUri(state),
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claim = claims[props.uri],
byOutpoint = selectFileInfosByOutpoint(state),
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outpoint = claim ? `${claim.txid}:${claim.nout}` : undefined;
return outpoint ? byOutpoint[outpoint] : undefined;
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};
export const makeSelectFileInfoForUri = () => {
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return createSelector(selectFileInfoForUri, fileInfo => fileInfo);
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};
export const selectUrisDownloading = createSelector(
_selectState,
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state => state.urisDownloading || {}
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);
const selectDownloadingForUri = (state, props) => {
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const byUri = selectUrisDownloading(state);
return byUri[props.uri];
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};
export const makeSelectDownloadingForUri = () => {
return createSelector(
selectDownloadingForUri,
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downloadingForUri => !!downloadingForUri
);
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};
export const selectUrisLoading = createSelector(
_selectState,
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state => state.urisLoading || {}
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);
const selectLoadingForUri = (state, props) => {
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const byUri = selectUrisLoading(state);
return byUri[props.uri];
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};
export const makeSelectLoadingForUri = () => {
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return createSelector(selectLoadingForUri, loading => !!loading);
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};
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export const selectFileInfosPendingPublish = createSelector(
_selectState,
state => Object.values(state.pendingByOutpoint || {})
);
export const selectFileInfosDownloaded = createSelector(
selectFileInfosByOutpoint,
selectMyClaimsOutpoints,
(byOutpoint, myClaimOutpoints) => {
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const fileInfoList = [];
Object.values(byOutpoint).forEach(fileInfo => {
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if (
fileInfo &&
myClaimOutpoints.indexOf(fileInfo.outpoint) === -1 &&
(fileInfo.completed || fileInfo.written_bytes)
) {
fileInfoList.push(fileInfo);
}
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});
return fileInfoList;
}
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);
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export const selectFileInfosPublished = createSelector(
selectFileInfosByOutpoint,
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selectMyClaimsOutpoints,
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selectFileInfosPendingPublish,
(byOutpoint, outpoints, pendingPublish) => {
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const fileInfos = [];
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outpoints.forEach(outpoint => {
const fileInfo = byOutpoint[outpoint];
if (fileInfo) fileInfos.push(fileInfo);
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});
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return fileInfos;
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}
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);
// export const selectFileInfoForUri = (state, props) => {
// const claims = selectClaimsByUri(state),
// claim = claims[props.uri],
// fileInfos = selectAllFileInfos(state),
// outpoint = claim ? `${claim.txid}:${claim.nout}` : undefined;
// return outpoint && fileInfos ? fileInfos[outpoint] : undefined;
// };
export const selectFileInfosByUri = createSelector(
selectClaimsByUri,
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selectFileInfosByOutpoint,
(claimsByUri, byOutpoint) => {
const fileInfos = {};
const uris = Object.keys(claimsByUri);
uris.forEach(uri => {
const claim = claimsByUri[uri];
if (claim) {
const outpoint = `${claim.txid}:${claim.nout}`;
const fileInfo = byOutpoint[outpoint];
if (fileInfo) fileInfos[uri] = fileInfo;
}
});
return fileInfos;
}
);
export const selectDownloadingFileInfos = createSelector(
selectUrisDownloading,
selectFileInfosByUri,
(urisDownloading, byUri) => {
const uris = Object.keys(urisDownloading);
const fileInfos = [];
uris.forEach(uri => {
const fileInfo = byUri[uri];
if (fileInfo) fileInfos.push(fileInfo);
});
return fileInfos;
}
);
export const selectTotalDownloadProgress = createSelector(
selectDownloadingFileInfos,
fileInfos => {
const progress = [];
fileInfos.forEach(fileInfo => {
progress.push(fileInfo.written_bytes / fileInfo.total_bytes * 100);
});
const totalProgress = progress.reduce((a, b) => a + b, 0);
if (fileInfos.length > 0) return totalProgress / fileInfos.length / 100.0;
else return -1;
}
);