add makeSelectFilePartlyDownloaded selector

dist/bundle.es.js

@@ -2615,6 +2615,18 @@ const makeSelectUriIsStreamable = uri => reselect.createSelector(makeSelectMedia
 const makeSelectDownloadPathForUri = uri => reselect.createSelector(makeSelectFileInfoForUri(uri), fileInfo => {
   return fileInfo && fileInfo.download_path;
 });
+
+const makeSelectFilePartlyDownloaded = uri => reselect.createSelector(selectFileInfosByOutpoint, makeSelectClaimForUri(uri), (downloadsByOutpoint, claim) => {
+  if (!claim) {
+    return false;
+  }
+
+  const { txid, nout } = claim;
+  const outpoint = `${txid}:${nout}`;
+  const isDownloaded = downloadsByOutpoint[outpoint];
+  return isDownloaded;
+});
+
 const makeSelectFileNameForUri = uri => reselect.createSelector(makeSelectFileInfoForUri(uri), fileInfo => {
   return fileInfo && fileInfo.file_name;
 });
@@ -4866,6 +4878,7 @@ exports.makeSelectDownloadingForUri = makeSelectDownloadingForUri;
 exports.makeSelectFetchingChannelClaims = makeSelectFetchingChannelClaims;
 exports.makeSelectFileInfoForUri = makeSelectFileInfoForUri;
 exports.makeSelectFileNameForUri = makeSelectFileNameForUri;
+exports.makeSelectFilePartlyDownloaded = makeSelectFilePartlyDownloaded;
 exports.makeSelectFirstRecommendedFileForUri = makeSelectFirstRecommendedFileForUri;
 exports.makeSelectIsUriResolving = makeSelectIsUriResolving;
 exports.makeSelectLoadingForUri = makeSelectLoadingForUri;

src/index.js

@@ -221,6 +221,7 @@ export {
   makeSelectUriIsStreamable,
   makeSelectDownloadPathForUri,
   makeSelectFileNameForUri,
+  makeSelectFilePartlyDownloaded,
 } from 'redux/selectors/file_info';
 
 export {

src/redux/selectors/file_info.js

@@ -4,6 +4,7 @@ import {
   selectMyClaims,
   selectClaimsById,
   makeSelectContentTypeForUri,
+  makeSelectClaimForUri,
 } from 'redux/selectors/claims';
 import { createSelector } from 'reselect';
 import { buildURI } from 'lbryURI';
@@ -241,7 +242,7 @@ export const selectDownloadedUris = createSelector(
       .map(claim => `lbry://${claim.claim_name}#${claim.claim_id}`)
 );
 
-export const makeSelectMediaTypeForUri = (uri: string) =>
+export const makeSelectMediaTypeForUri = uri =>
   createSelector(
     makeSelectFileInfoForUri(uri),
     makeSelectContentTypeForUri(uri),
@@ -255,7 +256,7 @@ export const makeSelectMediaTypeForUri = (uri: string) =>
     }
   );
 
-export const makeSelectUriIsStreamable = (uri: string) =>
+export const makeSelectUriIsStreamable = uri =>
   createSelector(
     makeSelectMediaTypeForUri(uri),
     mediaType => {
@@ -264,14 +265,31 @@ export const makeSelectUriIsStreamable = (uri: string) =>
     }
   );
 
-export const makeSelectDownloadPathForUri = (uri: string) =>
+export const makeSelectDownloadPathForUri = uri =>
   createSelector(
     makeSelectFileInfoForUri(uri),
     fileInfo => {
       return fileInfo && fileInfo.download_path;
     }
   );
-export const makeSelectFileNameForUri = (uri: string) =>
+
+export const makeSelectFilePartlyDownloaded = uri =>
+  createSelector(
+    selectFileInfosByOutpoint,
+    makeSelectClaimForUri(uri),
+    (downloadsByOutpoint, claim) => {
+      if (!claim) {
+        return false;
+      }
+
+      const { txid, nout } = claim;
+      const outpoint = `${txid}:${nout}`;
+      const isDownloaded = downloadsByOutpoint[outpoint];
+      return isDownloaded;
+    }
+  );
+
+export const makeSelectFileNameForUri = uri =>
   createSelector(
     makeSelectFileInfoForUri(uri),
     fileInfo => {