Uses a constant for PAGE_SIZE

package.json

@@ -49,7 +49,7 @@
     "formik": "^0.10.4",
     "hast-util-sanitize": "^1.1.2",
     "keytar": "^4.2.1",
-    "lbry-redux": "lbryio/lbry-redux#dd26422a86a37b5a492dc0702269ad6fc04ecdd7",
+    "lbry-redux": "lbryio/lbry-redux#aa10240bc1e90dff299821e31a88edcb4c5fd295",
     "lbryinc": "lbryio/lbryinc#7a458ea13ceceffa0191e73139f94e5c953f22b1",
     "localforage": "^1.7.1",
     "mammoth": "^1.4.6",

src/renderer/constants/claim.js

@@ -2,3 +2,4 @@ export const MINIMUM_PUBLISH_BID = 0.00000001;
 
 export const CHANNEL_ANONYMOUS = 'anonymous';
 export const CHANNEL_NEW = 'new';
+export const PAGE_SIZE = 20;

src/renderer/page/channel/index.js

@@ -1,15 +1,16 @@
 import { connect } from 'react-redux';
 import { doFetchClaimsByChannel, doFetchClaimCountByChannel } from 'redux/actions/content';
+import { PAGE_SIZE } from 'constants/claim';
 import {
   makeSelectClaimForUri,
   makeSelectClaimsInChannelForCurrentPage,
   makeSelectFetchingChannelClaims,
   makeSelectCurrentParam,
   makeSelectClaimIsMine,
+  makeSelectTotalPagesForChannel,
   selectCurrentParams,
 } from 'lbry-redux';
 import { doNavigate } from 'redux/actions/navigation';
-import { makeSelectTotalPagesForChannel } from 'redux/selectors/content';
 import ChannelPage from './view';
 
 const select = (state, props) => ({
@@ -18,7 +19,7 @@ const select = (state, props) => ({
   fetching: makeSelectFetchingChannelClaims(props.uri)(state),
   page: makeSelectCurrentParam('page')(state),
   params: selectCurrentParams(state),
-  totalPages: makeSelectTotalPagesForChannel(props.uri)(state),
+  totalPages: makeSelectTotalPagesForChannel(props.uri, PAGE_SIZE)(state),
   channelIsMine: makeSelectClaimIsMine(props.uri)(state),
 });
 

src/renderer/redux/actions/content.js

@@ -1,5 +1,6 @@
 // @flow
 import * as NOTIFICATION_TYPES from 'constants/subscriptions';
+import { PAGE_SIZE } from 'constants/claim';
 import { ipcRenderer } from 'electron';
 import { doAlertError } from 'redux/actions/app';
 import { doNavigate } from 'redux/actions/navigation';
@@ -293,38 +294,40 @@ export function doFetchClaimsByChannel(uri, page, pageSize) {
       data: { uri, page },
     });
 
-    Lbry.claim_list_by_channel({ uri, page: page || 1, page_size: pageSize || 20 }).then(result => {
-      const claimResult = result[uri] || {};
-      const { claims_in_channel: claimsInChannel, returned_page: returnedPage } = claimResult;
+    Lbry.claim_list_by_channel({ uri, page: page || 1, page_size: pageSize || PAGE_SIZE }).then(
+      result => {
+        const claimResult = result[uri] || {};
+        const { claims_in_channel: claimsInChannel, returned_page: returnedPage } = claimResult;
+
+        if (claimsInChannel && claimsInChannel.length) {
+          const latest = claimsInChannel[0];
+          dispatch(
+            setSubscriptionLatest(
+              {
+                channelName: latest.channel_name,
+                uri: buildURI(
+                  {
+                    contentName: latest.channel_name,
+                    claimId: latest.value.publisherSignature.certificateId,
+                  },
+                  false
+                ),
+              },
+              buildURI({ contentName: latest.name, claimId: latest.claim_id }, false)
+            )
+          );
+        }
 
-      if (claimsInChannel && claimsInChannel.length) {
-        const latest = claimsInChannel[0];
-        dispatch(
-          setSubscriptionLatest(
-            {
-              channelName: latest.channel_name,
-              uri: buildURI(
-                {
-                  contentName: latest.channel_name,
-                  claimId: latest.value.publisherSignature.certificateId,
-                },
-                false
-              ),
-            },
-            buildURI({ contentName: latest.name, claimId: latest.claim_id }, false)
-          )
-        );
+        dispatch({
+          type: ACTIONS.FETCH_CHANNEL_CLAIMS_COMPLETED,
+          data: {
+            uri,
+            claims: claimsInChannel || [],
+            page: returnedPage || undefined,
+          },
+        });
       }
-
-      dispatch({
-        type: ACTIONS.FETCH_CHANNEL_CLAIMS_COMPLETED,
-        data: {
-          uri,
-          claims: claimsInChannel || [],
-          page: returnedPage || undefined,
-        },
-      });
-    });
+    );
   };
 }
 

src/renderer/redux/actions/subscriptions.js

@@ -8,6 +8,7 @@ import type {
   ViewMode,
   UnreadSubscription,
 } from 'types/subscription';
+import { PAGE_SIZE } from 'constants/claim';
 import * as ACTIONS from 'constants/action_types';
 import * as SETTINGS from 'constants/settings';
 import * as NOTIFICATION_TYPES from 'constants/subscriptions';
@@ -223,87 +224,92 @@ export const doCheckSubscription = (subscriptionUri: string, shouldNotify?: bool
     );
   }
 
-  Lbry.claim_list_by_channel({ uri: subscriptionUri, page: 1 }).then(claimListByChannel => {
-    const claimResult = claimListByChannel[subscriptionUri] || {};
-    const { claims_in_channel: claimsInChannel } = claimResult;
+  // We may be duplicating calls here. Can this logic be baked into doFetchClaimsByChannel?
+  Lbry.claim_list_by_channel({ uri: subscriptionUri, page: 1, page_size: PAGE_SIZE }).then(
+    claimListByChannel => {
+      const claimResult = claimListByChannel[subscriptionUri] || {};
+      const { claims_in_channel: claimsInChannel } = claimResult;
 
-    // may happen if subscribed to an abandoned channel or an empty channel
-    if (!claimsInChannel || !claimsInChannel.length) {
-      return;
-    }
+      // may happen if subscribed to an abandoned channel or an empty channel
+      if (!claimsInChannel || !claimsInChannel.length) {
+        return;
+      }
 
-    // Determine if the latest subscription currently saved is actually the latest subscription
-    const latestIndex = claimsInChannel.findIndex(
-      claim => `${claim.name}#${claim.claim_id}` === savedSubscription.latest
-    );
+      // Determine if the latest subscription currently saved is actually the latest subscription
+      const latestIndex = claimsInChannel.findIndex(
+        claim => `${claim.name}#${claim.claim_id}` === savedSubscription.latest
+      );
 
-    // If latest is -1, it is a newly subscribed channel or there have been 10+ claims published since last viewed
-    const latestIndexToNotify = latestIndex === -1 ? 10 : latestIndex;
-
-    // If latest is 0, nothing has changed
-    // Do not download/notify about new content, it would download/notify 10 claims per channel
-    if (latestIndex !== 0 && savedSubscription.latest) {
-      let downloadCount = 0;
-
-      const newUnread = [];
-      claimsInChannel.slice(0, latestIndexToNotify).forEach(claim => {
-        const uri = buildURI({ contentName: claim.name, claimId: claim.claim_id }, true);
-        const shouldDownload =
-          shouldAutoDownload &&
-          Boolean(downloadCount < SUBSCRIPTION_DOWNLOAD_LIMIT && !claim.value.stream.metadata.fee);
-
-        // Add the new content to the list of "un-read" subscriptions
-        if (shouldNotify) {
-          newUnread.push(uri);
-        }
-
-        if (shouldDownload) {
-          downloadCount += 1;
-          dispatch(doPurchaseUri(uri, { cost: 0 }, true));
-        }
-      });
+      // If latest is -1, it is a newly subscribed channel or there have been 10+ claims published since last viewed
+      const latestIndexToNotify = latestIndex === -1 ? 10 : latestIndex;
+
+      // If latest is 0, nothing has changed
+      // Do not download/notify about new content, it would download/notify 10 claims per channel
+      if (latestIndex !== 0 && savedSubscription.latest) {
+        let downloadCount = 0;
+
+        const newUnread = [];
+        claimsInChannel.slice(0, latestIndexToNotify).forEach(claim => {
+          const uri = buildURI({ contentName: claim.name, claimId: claim.claim_id }, true);
+          const shouldDownload =
+            shouldAutoDownload &&
+            Boolean(
+              downloadCount < SUBSCRIPTION_DOWNLOAD_LIMIT && !claim.value.stream.metadata.fee
+            );
+
+          // Add the new content to the list of "un-read" subscriptions
+          if (shouldNotify) {
+            newUnread.push(uri);
+          }
 
+          if (shouldDownload) {
+            downloadCount += 1;
+            dispatch(doPurchaseUri(uri, { cost: 0 }, true));
+          }
+        });
+
+        dispatch(
+          doUpdateUnreadSubscriptions(
+            subscriptionUri,
+            newUnread,
+            downloadCount > 0 ? NOTIFICATION_TYPES.DOWNLOADING : NOTIFICATION_TYPES.NOTIFY_ONLY
+          )
+        );
+      }
+
+      // Set the latest piece of content for a channel
+      // This allows the app to know if there has been new content since it was last set
       dispatch(
-        doUpdateUnreadSubscriptions(
-          subscriptionUri,
-          newUnread,
-          downloadCount > 0 ? NOTIFICATION_TYPES.DOWNLOADING : NOTIFICATION_TYPES.NOTIFY_ONLY
+        setSubscriptionLatest(
+          {
+            channelName: claimsInChannel[0].channel_name,
+            uri: buildURI(
+              {
+                channelName: claimsInChannel[0].channel_name,
+                claimId: claimsInChannel[0].claim_id,
+              },
+              false
+            ),
+          },
+          buildURI(
+            { contentName: claimsInChannel[0].name, claimId: claimsInChannel[0].claim_id },
+            false
+          )
         )
       );
-    }
 
-    // Set the latest piece of content for a channel
-    // This allows the app to know if there has been new content since it was last set
-    dispatch(
-      setSubscriptionLatest(
-        {
-          channelName: claimsInChannel[0].channel_name,
-          uri: buildURI(
-            {
-              channelName: claimsInChannel[0].channel_name,
-              claimId: claimsInChannel[0].claim_id,
-            },
-            false
-          ),
+      // calling FETCH_CHANNEL_CLAIMS_COMPLETED after not calling STARTED
+      // means it will delete a non-existant fetchingChannelClaims[uri]
+      dispatch({
+        type: ACTIONS.FETCH_CHANNEL_CLAIMS_COMPLETED,
+        data: {
+          uri: subscriptionUri,
+          claims: claimsInChannel || [],
+          page: 1,
         },
-        buildURI(
-          { contentName: claimsInChannel[0].name, claimId: claimsInChannel[0].claim_id },
-          false
-        )
-      )
-    );
-
-    // calling FETCH_CHANNEL_CLAIMS_COMPLETED after not calling STARTED
-    // means it will delete a non-existant fetchingChannelClaims[uri]
-    dispatch({
-      type: ACTIONS.FETCH_CHANNEL_CLAIMS_COMPLETED,
-      data: {
-        uri: subscriptionUri,
-        claims: claimsInChannel || [],
-        page: 1,
-      },
-    });
-  });
+      });
+    }
+  );
 };
 
 export const doChannelSubscribe = (subscription: Subscription) => (

src/renderer/redux/selectors/content.js

@@ -14,12 +14,6 @@ export const selectChannelClaimCounts = createSelector(
 export const makeSelectTotalItemsForChannel = uri =>
   createSelector(selectChannelClaimCounts, byUri => byUri && byUri[uri]);
 
-export const makeSelectTotalPagesForChannel = uri =>
-  createSelector(
-    selectChannelClaimCounts,
-    byUri => byUri && byUri[uri] && Math.ceil(byUri[uri] / 10)
-  );
-
 export const selectRewardContentClaimIds = createSelector(
   selectState,
   state => state.rewardedContentClaimIds
@@ -52,9 +46,8 @@ export const makeSelectHistoryForPage = page =>
 
       if (claimAtUri) {
         return { lastViewed, uri, ...claimAtUri };
-      } else {
-        return historyItem;
       }
+      return historyItem;
     });
   });
 

yarn.lock

@@ -5663,16 +5663,16 @@ lazy-val@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/lazy-val/-/lazy-val-1.0.3.tgz#bb97b200ef00801d94c317e29dc6ed39e31c5edc"
 
-lbry-redux@lbryio/lbry-redux#0e13dd1972e3b40821fee2f9f06e1a0631913aa9:
+lbry-redux@lbryio/lbry-redux#2375860d6269d0369418879c2531b1d48c4e47f2:
   version "0.0.1"
-  resolved "https://codeload.github.com/lbryio/lbry-redux/tar.gz/0e13dd1972e3b40821fee2f9f06e1a0631913aa9"
+  resolved "https://codeload.github.com/lbryio/lbry-redux/tar.gz/2375860d6269d0369418879c2531b1d48c4e47f2"
   dependencies:
     proxy-polyfill "0.1.6"
     reselect "^3.0.0"
 
-lbry-redux@lbryio/lbry-redux#2375860d6269d0369418879c2531b1d48c4e47f2:
+lbry-redux@lbryio/lbry-redux#aa10240bc1e90dff299821e31a88edcb4c5fd295:
   version "0.0.1"
-  resolved "https://codeload.github.com/lbryio/lbry-redux/tar.gz/2375860d6269d0369418879c2531b1d48c4e47f2"
+  resolved "https://codeload.github.com/lbryio/lbry-redux/tar.gz/aa10240bc1e90dff299821e31a88edcb4c5fd295"
   dependencies:
     proxy-polyfill "0.1.6"
     reselect "^3.0.0"