Fix bug with reblogged view on Toots only showing latest reblogging accounts

app/javascript/mastodon/actions/interactions.js

@@ -7,6 +7,10 @@ export const REBLOG_REQUEST = 'REBLOG_REQUEST';
 export const REBLOG_SUCCESS = 'REBLOG_SUCCESS';
 export const REBLOG_FAIL    = 'REBLOG_FAIL';
 
+export const REBLOGS_EXPAND_REQUEST = 'REBLOGS_EXPAND_REQUEST';
+export const REBLOGS_EXPAND_SUCCESS = 'REBLOGS_EXPAND_SUCCESS';
+export const REBLOGS_EXPAND_FAIL = 'REBLOGS_EXPAND_FAIL';
+
 export const FAVOURITE_REQUEST = 'FAVOURITE_REQUEST';
 export const FAVOURITE_SUCCESS = 'FAVOURITE_SUCCESS';
 export const FAVOURITE_FAIL    = 'FAVOURITE_FAIL';
@@ -278,8 +282,10 @@ export function fetchReblogs(id) {
     dispatch(fetchReblogsRequest(id));
 
     api(getState).get(`/api/v1/statuses/${id}/reblogged_by`).then(response => {
+      const next = getLinks(response).refs.find(link => link.rel === 'next');
       dispatch(importFetchedAccounts(response.data));
-      dispatch(fetchReblogsSuccess(id, response.data));
+      dispatch(fetchReblogsSuccess(id, response.data, next ? next.uri : null));
+      dispatch(fetchRelationships(response.data.map(item => item.id)));
     }).catch(error => {
       dispatch(fetchReblogsFail(id, error));
     });
@@ -293,17 +299,62 @@ export function fetchReblogsRequest(id) {
   };
 }
 
-export function fetchReblogsSuccess(id, accounts) {
+export function fetchReblogsSuccess(id, accounts, next) {
   return {
     type: REBLOGS_FETCH_SUCCESS,
     id,
     accounts,
+    next,
   };
 }
 
 export function fetchReblogsFail(id, error) {
   return {
     type: REBLOGS_FETCH_FAIL,
+    id,
+    error,
+  };
+}
+
+export function expandReblogs(id) {
+  return (dispatch, getState) => {
+    const url = getState().getIn(['user_lists', 'reblogged_by', id, 'next']);
+    if (url === null) {
+      return;
+    }
+
+    dispatch(expandReblogsRequest(id));
+
+    api(getState).get(url).then(response => {
+      const next = getLinks(response).refs.find(link => link.rel === 'next');
+
+      dispatch(importFetchedAccounts(response.data));
+      dispatch(expandReblogsSuccess(id, response.data, next ? next.uri : null));
+      dispatch(fetchRelationships(response.data.map(item => item.id)));
+    }).catch(error => dispatch(expandReblogsFail(id, error)));
+  };
+}
+
+export function expandReblogsRequest(id) {
+  return {
+    type: REBLOGS_EXPAND_REQUEST,
+    id,
+  };
+}
+
+export function expandReblogsSuccess(id, accounts, next) {
+  return {
+    type: REBLOGS_EXPAND_SUCCESS,
+    id,
+    accounts,
+    next,
+  };
+}
+
+export function expandReblogsFail(id, error) {
+  return {
+    type: REBLOGS_EXPAND_FAIL,
+    id,
     error,
   };
 }

app/javascript/mastodon/features/reblogs/index.jsx

@@ -8,9 +8,11 @@ import ImmutablePropTypes from 'react-immutable-proptypes';
 import ImmutablePureComponent from 'react-immutable-pure-component';
 import { connect } from 'react-redux';
 
+import { debounce } from 'lodash';
+
 import { Icon }  from 'mastodon/components/icon';
 
-import { fetchReblogs } from '../../actions/interactions';
+import { fetchReblogs, expandReblogs } from '../../actions/interactions';
 import ColumnHeader from '../../components/column_header';
 import { LoadingIndicator } from '../../components/loading_indicator';
 import ScrollableList from '../../components/scrollable_list';
@@ -22,7 +24,9 @@ const messages = defineMessages({
 });
 
 const mapStateToProps = (state, props) => ({
-  accountIds: state.getIn(['user_lists', 'reblogged_by', props.params.statusId]),
+  accountIds: state.getIn(['user_lists', 'reblogged_by', props.params.statusId, 'items']),
+  hasMore: !!state.getIn(['user_lists', 'reblogged_by', props.params.statusId, 'next']),
+  isLoading: state.getIn(['user_lists', 'reblogged_by', props.params.statusId, 'isLoading'], true),
 });
 
 class Reblogs extends ImmutablePureComponent {
@@ -31,6 +35,8 @@ class Reblogs extends ImmutablePureComponent {
     params: PropTypes.object.isRequired,
     dispatch: PropTypes.func.isRequired,
     accountIds: ImmutablePropTypes.list,
+    hasMore: PropTypes.bool,
+    isLoading: PropTypes.bool,
     multiColumn: PropTypes.bool,
     intl: PropTypes.object.isRequired,
   };
@@ -39,20 +45,18 @@ class Reblogs extends ImmutablePureComponent {
     if (!this.props.accountIds) {
       this.props.dispatch(fetchReblogs(this.props.params.statusId));
     }
-  }
-
-  UNSAFE_componentWillReceiveProps(nextProps) {
-    if (nextProps.params.statusId !== this.props.params.statusId && nextProps.params.statusId) {
-      this.props.dispatch(fetchReblogs(nextProps.params.statusId));
-    }
-  }
+  };
 
   handleRefresh = () => {
     this.props.dispatch(fetchReblogs(this.props.params.statusId));
   };
 
+  handleLoadMore = debounce(() => {
+    this.props.dispatch(expandReblogs(this.props.params.statusId));
+  }, 300, { leading: true });
+
   render () {
-    const { intl, accountIds, multiColumn } = this.props;
+    const { intl, accountIds, hasMore, isLoading, multiColumn } = this.props;
 
     if (!accountIds) {
       return (
@@ -76,6 +80,9 @@ class Reblogs extends ImmutablePureComponent {
 
         <ScrollableList
           scrollKey='reblogs'
+          onLoadMore={this.handleLoadMore}
+          hasMore={hasMore}
+          isLoading={isLoading}
           emptyMessage={emptyMessage}
           bindToDocument={!multiColumn}
         >

app/javascript/mastodon/reducers/user_lists.js

@@ -45,7 +45,12 @@ import {
   BLOCKS_EXPAND_FAIL,
 } from '../actions/blocks';
 import {
+  REBLOGS_FETCH_REQUEST,
   REBLOGS_FETCH_SUCCESS,
+  REBLOGS_FETCH_FAIL,
+  REBLOGS_EXPAND_REQUEST,
+  REBLOGS_EXPAND_SUCCESS,
+  REBLOGS_EXPAND_FAIL,
   FAVOURITES_FETCH_REQUEST,
   FAVOURITES_FETCH_SUCCESS,
   FAVOURITES_FETCH_FAIL,
@@ -139,7 +144,15 @@ export default function userLists(state = initialState, action) {
   case FOLLOWING_EXPAND_FAIL:
     return state.setIn(['following', action.id, 'isLoading'], false);
   case REBLOGS_FETCH_SUCCESS:
-    return state.setIn(['reblogged_by', action.id], ImmutableList(action.accounts.map(item => item.id)));
+    return normalizeList(state, ['reblogged_by', action.id], action.accounts, action.next);
+  case REBLOGS_EXPAND_SUCCESS:
+    return appendToList(state, ['reblogged_by', action.id], action.accounts, action.next);
+  case REBLOGS_FETCH_REQUEST:
+  case REBLOGS_EXPAND_REQUEST:
+    return state.setIn(['reblogged_by', action.id, 'isLoading'], true);
+  case REBLOGS_FETCH_FAIL:
+  case REBLOGS_EXPAND_FAIL:
+    return state.setIn(['reblogged_by', action.id, 'isLoading'], false);
   case FAVOURITES_FETCH_SUCCESS:
     return normalizeList(state, ['favourited_by', action.id], action.accounts, action.next);
   case FAVOURITES_EXPAND_SUCCESS: