1 files changed, 234 insertions, 0 deletions
diff --git a/app/javascript/flavours/glitch/actions/timelines.js b/app/javascript/flavours/glitch/actions/timelines.js
new file mode 100644
index 000000000..eb817daf9
--- /dev/null
+++ b/app/javascript/flavours/glitch/actions/timelines.js
@@ -0,0 +1,234 @@
+import { importFetchedStatus, importFetchedStatuses } from './importer';
+import { submitMarkers } from './markers';
+import api, { getLinks } from 'flavours/glitch/api';
+import { Map as ImmutableMap, List as ImmutableList } from 'immutable';
+import compareId from 'flavours/glitch/compare_id';
+import { me, usePendingItems as preferPendingItems } from 'flavours/glitch/initial_state';
+import { toServerSideType } from 'flavours/glitch/utils/filters';
+
+export const TIMELINE_UPDATE  = 'TIMELINE_UPDATE';
+export const TIMELINE_DELETE  = 'TIMELINE_DELETE';
+export const TIMELINE_CLEAR   = 'TIMELINE_CLEAR';
+
+export const TIMELINE_EXPAND_REQUEST = 'TIMELINE_EXPAND_REQUEST';
+export const TIMELINE_EXPAND_SUCCESS = 'TIMELINE_EXPAND_SUCCESS';
+export const TIMELINE_EXPAND_FAIL    = 'TIMELINE_EXPAND_FAIL';
+
+export const TIMELINE_SCROLL_TOP   = 'TIMELINE_SCROLL_TOP';
+export const TIMELINE_LOAD_PENDING = 'TIMELINE_LOAD_PENDING';
+export const TIMELINE_DISCONNECT   = 'TIMELINE_DISCONNECT';
+export const TIMELINE_CONNECT      = 'TIMELINE_CONNECT';
+
+export const TIMELINE_MARK_AS_PARTIAL = 'TIMELINE_MARK_AS_PARTIAL';
+
+export const loadPending = timeline => ({
+  type: TIMELINE_LOAD_PENDING,
+  timeline,
+});
+
+export function updateTimeline(timeline, status, accept) {
+  return (dispatch, getState) => {
+    if (typeof accept === 'function' && !accept(status)) {
+      return;
+    }
+
+    if (getState().getIn(['timelines', timeline, 'isPartial'])) {
+      // Prevent new items from being added to a partial timeline,
+      // since it will be reloaded anyway
+
+      return;
+    }
+
+    let filtered = false;
+
+    if (status.filtered) {
+      const contextType = toServerSideType(timeline);
+      const filters = status.filtered.filter(result => result.filter.context.includes(contextType));
+
+      filtered = filters.length > 0;
+    }
+
+    dispatch(importFetchedStatus(status));
+
+    dispatch({
+      type: TIMELINE_UPDATE,
+      timeline,
+      status,
+      usePendingItems: preferPendingItems,
+      filtered,
+    });
+
+    if (timeline === 'home') {
+      dispatch(submitMarkers());
+    }
+  };
+}
+
+export function deleteFromTimelines(id) {
+  return (dispatch, getState) => {
+    const accountId  = getState().getIn(['statuses', id, 'account']);
+    const references = getState().get('statuses').filter(status => status.get('reblog') === id).map(status => status.get('id'));
+    const reblogOf   = getState().getIn(['statuses', id, 'reblog'], null);
+
+    dispatch({
+      type: TIMELINE_DELETE,
+      id,
+      accountId,
+      references,
+      reblogOf,
+    });
+  };
+}
+
+export function clearTimeline(timeline) {
+  return (dispatch) => {
+    dispatch({ type: TIMELINE_CLEAR, timeline });
+  };
+}
+
+const noOp = () => {};
+
+const parseTags = (tags = {}, mode) => {
+  return (tags[mode] || []).map((tag) => {
+    return tag.value;
+  });
+};
+
+export function expandTimeline(timelineId, path, params = {}, done = noOp) {
+  return (dispatch, getState) => {
+    const timeline = getState().getIn(['timelines', timelineId], ImmutableMap());
+    const isLoadingMore = !!params.max_id;
+
+    if (timeline.get('isLoading')) {
+      done();
+      return;
+    }
+
+    if (!params.max_id && !params.pinned && (timeline.get('items', ImmutableList()).size + timeline.get('pendingItems', ImmutableList()).size) > 0) {
+      const a = timeline.getIn(['pendingItems', 0]);
+      const b = timeline.getIn(['items', 0]);
+
+      if (a && b && compareId(a, b) > 0) {
+        params.since_id = a;
+      } else {
+        params.since_id = b || a;
+      }
+    }
+
+    const isLoadingRecent = !!params.since_id;
+
+    dispatch(expandTimelineRequest(timelineId, isLoadingMore));
+
+    api(getState).get(path, { params }).then(response => {
+      const next = getLinks(response).refs.find(link => link.rel === 'next');
+
+      dispatch(importFetchedStatuses(response.data));
+      dispatch(expandTimelineSuccess(timelineId, response.data, next ? next.uri : null, response.status === 206, isLoadingRecent, isLoadingMore, isLoadingRecent && preferPendingItems));
+
+      if (timelineId === 'home') {
+        dispatch(submitMarkers());
+      }
+    }).catch(error => {
+      dispatch(expandTimelineFail(timelineId, error, isLoadingMore));
+    }).finally(() => {
+      done();
+    });
+  };
+}
+
+export function fillTimelineGaps(timelineId, path, params = {}, done = noOp) {
+  return (dispatch, getState) => {
+    const timeline = getState().getIn(['timelines', timelineId], ImmutableMap());
+    const items = timeline.get('items');
+    const nullIndexes = items.map((statusId, index) => statusId === null ? index : null);
+    const gaps = nullIndexes.map(index => index > 0 ? items.get(index - 1) : null);
+
+    // Only expand at most two gaps to avoid doing too many requests
+    done = gaps.take(2).reduce((done, maxId) => {
+      return (() => dispatch(expandTimeline(timelineId, path, { ...params, maxId }, done)));
+    }, done);
+
+    done();
+  };
+}
+
+export const expandHomeTimeline            = ({ maxId } = {}, done = noOp) => expandTimeline('home', '/api/v1/timelines/home', { max_id: maxId }, done);
+export const expandPublicTimeline          = ({ maxId, onlyMedia, onlyRemote, allowLocalOnly } = {}, done = noOp) => expandTimeline(`public${onlyRemote ? ':remote' : (allowLocalOnly ? ':allow_local_only' : '')}${onlyMedia ? ':media' : ''}`, '/api/v1/timelines/public', { remote: !!onlyRemote, allow_local_only: !!allowLocalOnly, max_id: maxId, only_media: !!onlyMedia }, done);
+export const expandCommunityTimeline       = ({ maxId, onlyMedia } = {}, done = noOp) => expandTimeline(`community${onlyMedia ? ':media' : ''}`, '/api/v1/timelines/public', { local: true, max_id: maxId, only_media: !!onlyMedia }, done);
+export const expandDirectTimeline          = ({ maxId } = {}, done = noOp) => expandTimeline('direct', '/api/v1/timelines/direct', { max_id: maxId }, done);
+export const expandAccountTimeline         = (accountId, { maxId, withReplies, tagged } = {}) => expandTimeline(`account:${accountId}${withReplies ? ':with_replies' : ''}${tagged ? `:${tagged}` : ''}`, `/api/v1/accounts/${accountId}/statuses`, { exclude_replies: !withReplies, tagged, max_id: maxId });
+export const expandAccountFeaturedTimeline = (accountId, { tagged } = {}) => expandTimeline(`account:${accountId}:pinned`, `/api/v1/accounts/${accountId}/statuses`, { pinned: true, tagged });
+export const expandAccountMediaTimeline    = (accountId, { maxId } = {}) => expandTimeline(`account:${accountId}:media`, `/api/v1/accounts/${accountId}/statuses`, { max_id: maxId, only_media: true, limit: 40 });
+export const expandListTimeline            = (id, { maxId } = {}, done = noOp) => expandTimeline(`list:${id}`, `/api/v1/timelines/list/${id}`, { max_id: maxId }, done);
+export const expandHashtagTimeline         = (hashtag, { maxId, tags, local } = {}, done = noOp) => {
+  return expandTimeline(`hashtag:${hashtag}${local ? ':local' : ''}`, `/api/v1/timelines/tag/${hashtag}`, {
+    max_id: maxId,
+    any: parseTags(tags, 'any'),
+    all: parseTags(tags, 'all'),
+    none: parseTags(tags, 'none'),
+    local: local,
+  }, done);
+};
+
+export const fillHomeTimelineGaps      = (done = noOp) => fillTimelineGaps('home', '/api/v1/timelines/home', {}, done);
+export const fillPublicTimelineGaps    = ({ onlyMedia, onlyRemote, allowLocalOnly } = {}, done = noOp) => fillTimelineGaps(`public${onlyRemote ? ':remote' : (allowLocalOnly ? ':allow_local_only' : '')}${onlyMedia ? ':media' : ''}`, '/api/v1/timelines/public', { remote: !!onlyRemote, only_media: !!onlyMedia, allow_local_only: !!allowLocalOnly }, done);
+export const fillCommunityTimelineGaps = ({ onlyMedia } = {}, done = noOp) => fillTimelineGaps(`community${onlyMedia ? ':media' : ''}`, '/api/v1/timelines/public', { local: true, only_media: !!onlyMedia }, done);
+export const fillListTimelineGaps      = (id, done = noOp) => fillTimelineGaps(`list:${id}`, `/api/v1/timelines/list/${id}`, {}, done);
+
+export function expandTimelineRequest(timeline, isLoadingMore) {
+  return {
+    type: TIMELINE_EXPAND_REQUEST,
+    timeline,
+    skipLoading: !isLoadingMore,
+  };
+}
+
+export function expandTimelineSuccess(timeline, statuses, next, partial, isLoadingRecent, isLoadingMore, usePendingItems) {
+  return {
+    type: TIMELINE_EXPAND_SUCCESS,
+    timeline,
+    statuses,
+    next,
+    partial,
+    isLoadingRecent,
+    usePendingItems,
+    skipLoading: !isLoadingMore,
+  };
+}
+
+export function expandTimelineFail(timeline, error, isLoadingMore) {
+  return {
+    type: TIMELINE_EXPAND_FAIL,
+    timeline,
+    error,
+    skipLoading: !isLoadingMore,
+    skipNotFound: timeline.startsWith('account:'),
+  };
+}
+
+export function scrollTopTimeline(timeline, top) {
+  return {
+    type: TIMELINE_SCROLL_TOP,
+    timeline,
+    top,
+  };
+}
+
+export function connectTimeline(timeline) {
+  return {
+    type: TIMELINE_CONNECT,
+    timeline,
+    usePendingItems: preferPendingItems,
+  };
+}
+
+export const disconnectTimeline = timeline => ({
+  type: TIMELINE_DISCONNECT,
+  timeline,
+  usePendingItems: preferPendingItems,
+});
+
+export const markAsPartial = timeline => ({
+  type: TIMELINE_MARK_AS_PARTIAL,
+  timeline,
+});