1 files changed, 116 insertions, 0 deletions
diff --git a/app/javascript/flavours/glitch/reducers/status_lists.js b/app/javascript/flavours/glitch/reducers/status_lists.js
new file mode 100644
index 000000000..241833bfe
--- /dev/null
+++ b/app/javascript/flavours/glitch/reducers/status_lists.js
@@ -0,0 +1,116 @@
+import {
+  FAVOURITED_STATUSES_FETCH_REQUEST,
+  FAVOURITED_STATUSES_FETCH_SUCCESS,
+  FAVOURITED_STATUSES_FETCH_FAIL,
+  FAVOURITED_STATUSES_EXPAND_REQUEST,
+  FAVOURITED_STATUSES_EXPAND_SUCCESS,
+  FAVOURITED_STATUSES_EXPAND_FAIL,
+} from 'flavours/glitch/actions/favourites';
+import {
+  BOOKMARKED_STATUSES_FETCH_REQUEST,
+  BOOKMARKED_STATUSES_FETCH_SUCCESS,
+  BOOKMARKED_STATUSES_FETCH_FAIL,
+  BOOKMARKED_STATUSES_EXPAND_REQUEST,
+  BOOKMARKED_STATUSES_EXPAND_SUCCESS,
+  BOOKMARKED_STATUSES_EXPAND_FAIL,
+} from 'flavours/glitch/actions/bookmarks';
+import {
+  PINNED_STATUSES_FETCH_SUCCESS,
+} from 'flavours/glitch/actions/pin_statuses';
+import { Map as ImmutableMap, List as ImmutableList } from 'immutable';
+import {
+  FAVOURITE_SUCCESS,
+  UNFAVOURITE_SUCCESS,
+  BOOKMARK_SUCCESS,
+  UNBOOKMARK_SUCCESS,
+  PIN_SUCCESS,
+  UNPIN_SUCCESS,
+} from 'flavours/glitch/actions/interactions';
+
+const initialState = ImmutableMap({
+  favourites: ImmutableMap({
+    next: null,
+    loaded: false,
+    items: ImmutableList(),
+  }),
+  bookmarks: ImmutableMap({
+    next: null,
+    loaded: false,
+    items: ImmutableList(),
+  }),
+  pins: ImmutableMap({
+    next: null,
+    loaded: false,
+    items: ImmutableList(),
+  }),
+});
+
+const normalizeList = (state, listType, statuses, next) => {
+  return state.update(listType, listMap => listMap.withMutations(map => {
+    map.set('next', next);
+    map.set('loaded', true);
+    map.set('isLoading', false);
+    map.set('items', ImmutableList(statuses.map(item => item.id)));
+  }));
+};
+
+const appendToList = (state, listType, statuses, next) => {
+  return state.update(listType, listMap => listMap.withMutations(map => {
+    map.set('next', next);
+    map.set('isLoading', false);
+    map.set('items', map.get('items').concat(statuses.map(item => item.id)));
+  }));
+};
+
+const prependOneToList = (state, listType, status) => {
+  return state.update(listType, listMap => listMap.withMutations(map => {
+    map.set('items', map.get('items').unshift(status.get('id')));
+  }));
+};
+
+const removeOneFromList = (state, listType, status) => {
+  return state.update(listType, listMap => listMap.withMutations(map => {
+    map.set('items', map.get('items').filter(item => item !== status.get('id')));
+  }));
+};
+
+export default function statusLists(state = initialState, action) {
+  switch(action.type) {
+  case FAVOURITED_STATUSES_FETCH_REQUEST:
+  case FAVOURITED_STATUSES_EXPAND_REQUEST:
+    return state.setIn(['favourites', 'isLoading'], true);
+  case FAVOURITED_STATUSES_FETCH_FAIL:
+  case FAVOURITED_STATUSES_EXPAND_FAIL:
+    return state.setIn(['favourites', 'isLoading'], false);
+  case FAVOURITED_STATUSES_FETCH_SUCCESS:
+    return normalizeList(state, 'favourites', action.statuses, action.next);
+  case FAVOURITED_STATUSES_EXPAND_SUCCESS:
+    return appendToList(state, 'favourites', action.statuses, action.next);
+  case BOOKMARKED_STATUSES_FETCH_REQUEST:
+  case BOOKMARKED_STATUSES_EXPAND_REQUEST:
+    return state.setIn(['bookmarks', 'isLoading'], true);
+  case BOOKMARKED_STATUSES_FETCH_FAIL:
+  case BOOKMARKED_STATUSES_EXPAND_FAIL:
+    return state.setIn(['bookmarks', 'isLoading'], false);
+  case BOOKMARKED_STATUSES_FETCH_SUCCESS:
+    return normalizeList(state, 'bookmarks', action.statuses, action.next);
+  case BOOKMARKED_STATUSES_EXPAND_SUCCESS:
+    return appendToList(state, 'bookmarks', action.statuses, action.next);
+  case FAVOURITE_SUCCESS:
+    return prependOneToList(state, 'favourites', action.status);
+  case UNFAVOURITE_SUCCESS:
+    return removeOneFromList(state, 'favourites', action.status);
+  case BOOKMARK_SUCCESS:
+    return prependOneToList(state, 'bookmarks', action.status);
+  case UNBOOKMARK_SUCCESS:
+    return removeOneFromList(state, 'bookmarks', action.status);
+  case PINNED_STATUSES_FETCH_SUCCESS:
+    return normalizeList(state, 'pins', action.statuses, action.next);
+  case PIN_SUCCESS:
+    return prependOneToList(state, 'pins', action.status);
+  case UNPIN_SUCCESS:
+    return removeOneFromList(state, 'pins', action.status);
+  default:
+    return state;
+  }
+};