From eb84a366d224c76cd38de09d0dffaf979c743e2e Mon Sep 17 00:00:00 2001
From: Sean Yesmunt <sean@lbry.io>
Date: Fri, 2 Oct 2020 15:18:53 -0400
Subject: [PATCH] add file reactions code from odysee

---
 .env.defaults                       |  1 +
 config.js                           |  1 +
 ui/component/fileActions/view.jsx   |  4 +-
 ui/component/fileReactions/index.js | 26 ++++++++++
 ui/component/fileReactions/view.jsx | 52 ++++++++++++++++++++
 ui/constants/action_types.js        |  8 +++
 ui/reducers.js                      |  2 +
 ui/redux/actions/reactions.js       | 70 ++++++++++++++++++++++++++
 ui/redux/reducers/reactions.js      | 55 +++++++++++++++++++++
 ui/redux/selectors/reactions.js     | 76 +++++++++++++++++++++++++++++
 10 files changed, 294 insertions(+), 1 deletion(-)
 create mode 100644 ui/component/fileReactions/index.js
 create mode 100644 ui/component/fileReactions/view.jsx
 create mode 100644 ui/redux/actions/reactions.js
 create mode 100644 ui/redux/reducers/reactions.js
 create mode 100644 ui/redux/selectors/reactions.js

diff --git a/.env.defaults b/.env.defaults
index ac24fc739..6dc6ffc7a 100644
--- a/.env.defaults
+++ b/.env.defaults
@@ -25,6 +25,7 @@ SHOW_ADS=true
 YRBL_HAPPY_IMG_URL=https://cdn.lbryplayer.xyz/api/v3/streams/free/yrbl-happy/7aa50a7e5adaf48691935d55e45d697547392929/839d9a
 YRBL_SAD_IMG_URL=https://cdn.lbryplayer.xyz/api/v3/streams/free/yrbl-sad/c2d9649633d974e5ffb503925e1f17d951f1bd0f/f262dd
 ENABLE_COMMENT_REACTIONS=false
+ENABLE_FILE_REACTIONS=false
 
 # OG
 OG_TITLE_SUFFIX=| lbry.tv
diff --git a/config.js b/config.js
index cbbcfeb89..e1c0cbcad 100644
--- a/config.js
+++ b/config.js
@@ -30,6 +30,7 @@ const config = {
   AUTO_FOLLOW_CHANNELS: process.env.AUTO_FOLLOW_CHANNELS,
   UNSYNCED_SETTINGS: process.env.UNSYNCED_SETTINGS,
   ENABLE_COMMENT_REACTIONS: process.env.ENABLE_COMMENT_REACTIONS === 'true',
+  ENABLE_FILE_REACTIONS: process.env.ENABLE_FILE_REACTIONS === 'true',
   SIMPLE_SITE: process.env.SIMPLE_SITE === 'true',
   SHOW_ADS: process.env.SHOW_ADS === 'true',
   PINNED_URI_1: process.env.PINNED_URI_1,
diff --git a/ui/component/fileActions/view.jsx b/ui/component/fileActions/view.jsx
index 90d3b4fd7..d06b2b37b 100644
--- a/ui/component/fileActions/view.jsx
+++ b/ui/component/fileActions/view.jsx
@@ -1,5 +1,5 @@
 // @flow
-import { SIMPLE_SITE, SITE_NAME } from 'config';
+import { SIMPLE_SITE, SITE_NAME, ENABLE_FILE_REACTIONS } from 'config';
 import * as PAGES from 'constants/pages';
 import * as MODALS from 'constants/modal_types';
 import * as ICONS from 'constants/icons';
@@ -11,6 +11,7 @@ import * as RENDER_MODES from 'constants/file_render_modes';
 import { useIsMobile } from 'effects/use-screensize';
 import ClaimSupportButton from 'component/claimSupportButton';
 import { useHistory } from 'react-router';
+import FileReactions from 'component/fileReactions';
 
 type Props = {
   uri: string,
@@ -79,6 +80,7 @@ function FileActions(props: Props) {
 
   const lhsSection = (
     <>
+      {ENABLE_FILE_REACTIONS && <FileReactions uri={uri} />}
       <ClaimSupportButton uri={uri} fileAction />
       <Button
         button="alt"
diff --git a/ui/component/fileReactions/index.js b/ui/component/fileReactions/index.js
new file mode 100644
index 000000000..58b2bf15c
--- /dev/null
+++ b/ui/component/fileReactions/index.js
@@ -0,0 +1,26 @@
+import { connect } from 'react-redux';
+import {
+  makeSelectReactionsForUri,
+  makeSelectMyReactionForUri,
+  makeSelectLikeCountForUri,
+  makeSelectDislikeCountForUri,
+} from 'redux/selectors/reactions';
+import { doFetchReactions, doReactionLike, doReactionDislike } from 'redux/actions/reactions';
+import { selectThemePath } from 'redux/selectors/settings';
+import FileViewCount from './view';
+import { makeSelectClaimForUri } from 'lbry-redux';
+
+const select = (state, props) => ({
+  claim: makeSelectClaimForUri(props.uri)(state),
+  reactions: makeSelectReactionsForUri(props.uri)(state),
+  myReaction: makeSelectMyReactionForUri(props.uri)(state),
+  likeCount: makeSelectLikeCountForUri(props.uri)(state),
+  dislikeCount: makeSelectDislikeCountForUri(props.uri)(state),
+  theme: selectThemePath(state),
+});
+
+export default connect(select, {
+  doFetchReactions,
+  doReactionLike,
+  doReactionDislike,
+})(FileViewCount);
diff --git a/ui/component/fileReactions/view.jsx b/ui/component/fileReactions/view.jsx
new file mode 100644
index 000000000..7ccd0f7cf
--- /dev/null
+++ b/ui/component/fileReactions/view.jsx
@@ -0,0 +1,52 @@
+// @flow
+import * as ICONS from 'constants/icons';
+import React from 'react';
+import classnames from 'classnames';
+import Button from 'component/button';
+
+type Props = {
+  claim: StreamClaim,
+  doFetchReactions: string => void,
+  doReactionLike: string => void,
+  doReactionDislike: string => void,
+  uri: string,
+  likeCount: number,
+  dislikeCount: number,
+  myReaction: ?string,
+};
+
+function FileReactions(props: Props) {
+  const { claim, uri, doFetchReactions, doReactionLike, doReactionDislike, likeCount, dislikeCount } = props;
+  const claimId = claim && claim.claim_id;
+
+  React.useEffect(() => {
+    if (claimId) {
+      doFetchReactions(claimId);
+    }
+  }, [claimId, doFetchReactions]);
+
+  return (
+    <>
+      <Button
+        title={__('I like this')}
+        requiresAuth
+        className={classnames('button--file-action')}
+        label={String(likeCount)}
+        iconSize={18}
+        icon={ICONS.UPVOTE}
+        onClick={() => doReactionLike(uri)}
+      />
+      <Button
+        requiresAuth
+        title={__('I dislike this')}
+        className={classnames('button--file-action')}
+        label={String(dislikeCount)}
+        iconSize={18}
+        icon={ICONS.DOWNVOTE}
+        onClick={() => doReactionDislike(uri)}
+      />
+    </>
+  );
+}
+
+export default FileReactions;
diff --git a/ui/constants/action_types.js b/ui/constants/action_types.js
index 08fd0213c..6e192f866 100644
--- a/ui/constants/action_types.js
+++ b/ui/constants/action_types.js
@@ -278,3 +278,11 @@ export const TOGGLE_BLOCK_CHANNEL = 'TOGGLE_BLOCK_CHANNEL';
 // Notifications
 export const WS_CONNECT = 'WS_CONNECT';
 export const WS_DISCONNECT = 'WS_DISCONNECT';
+
+export const REACTIONS_LIST_STARTED = 'REACTIONS_LIST_STARTED';
+export const REACTIONS_LIST_FAILED = 'REACTIONS_LIST_FAILED';
+export const REACTIONS_LIST_COMPLETED = 'REACTIONS_LIST_COMPLETED';
+export const REACTIONS_NEW_STARTED = 'REACTIONS_NEW_STARTED';
+export const REACTIONS_NEW_FAILED = 'REACTIONS_NEW_FAILED';
+export const REACTIONS_LIKE_COMPLETED = 'REACTIONS_LIKE_COMPLETED';
+export const REACTIONS_DISLIKE_COMPLETED = 'REACTIONS_DISLIKE_COMPLETED';
diff --git a/ui/reducers.js b/ui/reducers.js
index 4e5195801..3339aad69 100644
--- a/ui/reducers.js
+++ b/ui/reducers.js
@@ -20,6 +20,7 @@ import userReducer from 'redux/reducers/user';
 import commentsReducer from 'redux/reducers/comments';
 import blockedReducer from 'redux/reducers/blocked';
 import searchReducer from 'redux/reducers/search';
+import reactionsReducer from 'redux/reducers/reactions';
 
 export default history =>
   combineReducers({
@@ -35,6 +36,7 @@ export default history =>
     homepage: homepageReducer,
     notifications: notificationsReducer,
     publish: publishReducer,
+    reactions: reactionsReducer,
     rewards: rewardsReducer,
     search: searchReducer,
     settings: settingsReducer,
diff --git a/ui/redux/actions/reactions.js b/ui/redux/actions/reactions.js
new file mode 100644
index 000000000..5f0123d4a
--- /dev/null
+++ b/ui/redux/actions/reactions.js
@@ -0,0 +1,70 @@
+// @flow
+import { Lbryio } from 'lbryinc';
+import * as ACTIONS from 'constants/action_types';
+import * as REACTION_TYPES from 'constants/reactions';
+import { makeSelectMyReactionForUri } from '../selectors/reactions';
+import { makeSelectClaimForUri } from 'lbry-redux';
+
+export const doFetchReactions = (claimId: string) => (dispatch: Dispatch) => {
+  dispatch({ type: ACTIONS.REACTIONS_LIST_STARTED });
+
+  return Lbryio.call('reaction', 'list', { claim_ids: claimId }, 'post')
+    .then((reactions: Array<number>) => {
+      dispatch({ type: ACTIONS.REACTIONS_LIST_COMPLETED, data: { claimId, reactions } });
+    })
+    .catch(error => {
+      dispatch({ type: ACTIONS.REACTIONS_LIST_FAILED, data: error });
+    });
+};
+
+export const doReactionLike = (uri: string) => (dispatch: Dispatch, getState: GetState) => {
+  const state = getState();
+  const myReaction = makeSelectMyReactionForUri(uri)(state);
+  const claim = makeSelectClaimForUri(uri)(state);
+  const claimId = claim.claim_id;
+  const shouldRemove = myReaction === REACTION_TYPES.LIKE;
+
+  return Lbryio.call(
+    'reaction',
+    'react',
+    {
+      claim_ids: claimId,
+      type: REACTION_TYPES.LIKE,
+      clear_types: REACTION_TYPES.DISLIKE,
+      ...(shouldRemove ? { remove: true } : {}),
+    },
+    'post'
+  )
+    .then(() => {
+      dispatch({ type: ACTIONS.REACTIONS_LIKE_COMPLETED, data: { claimId, shouldRemove } });
+    })
+    .catch(error => {
+      dispatch({ type: ACTIONS.REACTIONS_NEW_FAILED, data: error });
+    });
+};
+
+export const doReactionDislike = (uri: string) => (dispatch: Dispatch, getState: GetState) => {
+  const state = getState();
+  const myReaction = makeSelectMyReactionForUri(uri)(state);
+  const claim = makeSelectClaimForUri(uri)(state);
+  const claimId = claim.claim_id;
+  const shouldRemove = myReaction === REACTION_TYPES.DISLIKE;
+
+  return Lbryio.call(
+    'reaction',
+    'react',
+    {
+      claim_ids: claimId,
+      type: REACTION_TYPES.DISLIKE,
+      clear_types: REACTION_TYPES.LIKE,
+      ...(shouldRemove ? { remove: true } : {}),
+    },
+    'post'
+  )
+    .then(() => {
+      dispatch({ type: ACTIONS.REACTIONS_DISLIKE_COMPLETED, data: { claimId, shouldRemove } });
+    })
+    .catch(error => {
+      dispatch({ type: ACTIONS.REACTIONS_NEW_FAILED, data: error });
+    });
+};
diff --git a/ui/redux/reducers/reactions.js b/ui/redux/reducers/reactions.js
new file mode 100644
index 000000000..2b6359006
--- /dev/null
+++ b/ui/redux/reducers/reactions.js
@@ -0,0 +1,55 @@
+// @flow
+import { handleActions } from 'util/redux-utils';
+import * as ACTIONS from 'constants/action_types';
+import * as REACTION_TYPES from 'constants/reactions';
+
+const defaultState = {
+  fetchingReactions: false,
+  reactionsError: undefined,
+  reactionsById: {},
+};
+
+export default handleActions(
+  {
+    [ACTIONS.REACTIONS_LIST_STARTED]: state => ({ ...state, fetchingReactions: true }),
+    [ACTIONS.REACTIONS_LIST_FAILED]: (state, action) => ({
+      ...state,
+      reactionsError: action.data,
+    }),
+    [ACTIONS.REACTIONS_LIST_COMPLETED]: (state, action) => {
+      const { claimId, reactions } = action.data;
+
+      const reactionsById = { ...state.reactionsById, [claimId]: reactions };
+      return {
+        ...state,
+        fetchingreactions: false,
+        reactionsById,
+      };
+    },
+    [ACTIONS.REACTIONS_LIKE_COMPLETED]: (state, action) => {
+      const { claimId, shouldRemove } = action.data;
+      const reactionsById = { ...state.reactionsById };
+      reactionsById[claimId].my_reactions[claimId][REACTION_TYPES.LIKE] = shouldRemove ? 0 : 1;
+      reactionsById[claimId].my_reactions[claimId][REACTION_TYPES.DISLIKE] = 0;
+
+      return {
+        ...state,
+        fetchingreactions: false,
+        reactionsById,
+      };
+    },
+    [ACTIONS.REACTIONS_DISLIKE_COMPLETED]: (state, action) => {
+      const { claimId, shouldRemove } = action.data;
+      const reactionsById = { ...state.reactionsById };
+      reactionsById[claimId].my_reactions[claimId][REACTION_TYPES.DISLIKE] = shouldRemove ? 0 : 1;
+      reactionsById[claimId].my_reactions[claimId][REACTION_TYPES.LIKE] = 0;
+
+      return {
+        ...state,
+        fetchingreactions: false,
+        reactionsById,
+      };
+    },
+  },
+  defaultState
+);
diff --git a/ui/redux/selectors/reactions.js b/ui/redux/selectors/reactions.js
new file mode 100644
index 000000000..d01d2af44
--- /dev/null
+++ b/ui/redux/selectors/reactions.js
@@ -0,0 +1,76 @@
+import * as REACTION_TYPES from 'constants/reactions';
+import { createSelector } from 'reselect';
+import { makeSelectClaimForUri } from 'lbry-redux';
+
+const selectState = state => state.reactions || {};
+
+export const selectReactionsById = createSelector(selectState, state => state.reactionsById);
+
+export const selectFetchingReactions = createSelector(selectState, state => state.fetchingReactions);
+
+export const makeSelectReactionsForUri = uri =>
+  createSelector(makeSelectClaimForUri(uri), selectReactionsById, (claim, reactionsById) => {
+    return claim ? reactionsById[claim.claim_id] : {};
+  });
+
+export const makeSelectMyReactionForUri = uri =>
+  createSelector(makeSelectClaimForUri(uri), makeSelectReactionsForUri(uri), (claim, reactions) => {
+    const claimId = claim.claim_id;
+
+    if (!reactions || reactions.my_reactions === null) {
+      return undefined;
+    }
+
+    const myReactions = reactions.my_reactions[claimId];
+    if (myReactions[REACTION_TYPES.LIKE]) {
+      return REACTION_TYPES.LIKE;
+    } else if (myReactions[REACTION_TYPES.DISLIKE]) {
+      return REACTION_TYPES.DISLIKE;
+    } else {
+      // Ignore other types of reactions for now
+      return undefined;
+    }
+  });
+
+export const makeSelectLikeCountForUri = uri =>
+  createSelector(makeSelectClaimForUri(uri), makeSelectReactionsForUri(uri), (claim, reactions) => {
+    const claimId = claim.claim_id;
+
+    if (!reactions || reactions.my_reactions === null || reactions.others_reactions === null) {
+      return 0;
+    }
+
+    let count = 0;
+    if (reactions.others_reactions) {
+      const likeCount = reactions.others_reactions[claimId][REACTION_TYPES.LIKE] || 0;
+
+      count += likeCount;
+    }
+    if (reactions.my_reactions) {
+      const likeCount = reactions.my_reactions[claimId][REACTION_TYPES.LIKE] || 0;
+      count += likeCount;
+    }
+
+    return count;
+  });
+
+export const makeSelectDislikeCountForUri = uri =>
+  createSelector(makeSelectClaimForUri(uri), makeSelectReactionsForUri(uri), (claim, reactions) => {
+    const claimId = claim.claim_id;
+
+    if (!reactions || reactions.my_reactions === null || reactions.others_reactions === null) {
+      return 0;
+    }
+
+    let count = 0;
+    if (reactions.others_reactions) {
+      const dislikeCount = reactions.others_reactions[claimId][REACTION_TYPES.DISLIKE] || 0;
+      count += dislikeCount;
+    }
+    if (reactions.my_reactions) {
+      const dislikeCount = reactions.my_reactions[claimId][REACTION_TYPES.DISLIKE] || 0;
+      count += dislikeCount;
+    }
+
+    return count;
+  });