Recsys: pass isFollowing and incognito

Additional data requested.

isFollowing - is the user following the creator
incognito - authenticated or not

extras/recsys/recsys.js

@@ -9,6 +9,7 @@ import { X_LBRY_AUTH_TOKEN } from 'constants/token';
 import { makeSelectClaimForUri } from 'redux/selectors/claims';
 import { selectPlayingUri, selectPrimaryUri } from 'redux/selectors/content';
 import { selectClientSetting, selectDaemonSettings } from 'redux/selectors/settings';
+import { selectIsSubscribedForClaimId } from 'redux/selectors/subscriptions';
 import { history } from 'ui/store';
 
 const recsysEndpoint = RECSYS_ENDPOINT;
@@ -109,6 +110,8 @@ const recsys = {
         recClickedVideoIdx: [],
         pageLoadedAt: Date.now(),
         events: [],
+        incognito: !(user && user.has_verified_email),
+        isFollowing: selectIsSubscribedForClaimId(state, claimId),
       };
 
       if (parentUuid) {

ui/redux/selectors/claims.js

@@ -93,8 +93,11 @@ export const selectClaimIdForUri = (state: State, uri: string) => selectClaimIds
 
 export const selectReflectingById = (state: State) => selectState(state).reflectingById;
 
+// OBSOLETE: use selectClaimForClaimId instead
 export const makeSelectClaimForClaimId = (claimId: string) => createSelector(selectClaimsById, (byId) => byId[claimId]);
 
+export const selectClaimForClaimId = (state: State, claimId: string) => selectClaimsById(state)[claimId];
+
 export const selectClaimForUri = createCachedSelector(
   selectClaimIdsByUri,
   selectClaimsById,

ui/redux/selectors/subscriptions.js

@@ -7,6 +7,7 @@ import {
   makeSelectChannelForClaimUri,
   makeSelectClaimForUri,
   selectClaimForUri,
+  selectClaimForClaimId,
 } from 'redux/selectors/claims';
 import { swapKeyAndValue } from 'util/swap-json';
 import { getChannelFromClaim, isChannelClaim } from 'util/claim';
@@ -135,6 +136,23 @@ export const selectIsSubscribedForUri = createCachedSelector(
   }
 )((state, uri) => String(uri));
 
+/**
+ * Unlike its 'selectIsSubscribedForUri' counterpart, this does not try to use
+ * parseURI as a fallback (since it only has claimId and not the uri).
+ */
+export const selectIsSubscribedForClaimId = createCachedSelector(
+  selectClaimForClaimId, // (state, claimId)
+  selectSubscriptions, // (state)
+  (claim, subscriptions) => {
+    const channelClaim = getChannelFromClaim(claim);
+    if (channelClaim) {
+      const permanentUrl = channelClaim.permanent_url;
+      return subscriptions.some((sub) => isURIEqual(sub.uri, permanentUrl));
+    }
+    return false;
+  }
+)((state, claimId) => String(claimId));
+
 export const makeSelectNotificationsDisabled = (uri) =>
   createSelector(
     selectFollowing,