import { Map as ImmutableMap, List as ImmutableList } from 'immutable'; import api, { getLinks } from 'mastodon/api'; import { compareId } from 'mastodon/compare_id'; import { usePendingItems as preferPendingItems } from 'mastodon/initial_state'; import { importFetchedStatus, importFetchedStatuses } from './importer'; import { submitMarkers } from './markers'; 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; } dispatch(importFetchedStatus(status)); dispatch({ type: TIMELINE_UPDATE, timeline, status, usePendingItems: preferPendingItems, }); 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 } = {}, done = noOp) => expandTimeline(`public${onlyRemote ? ':remote' : ''}${onlyMedia ? ':media' : ''}`, '/api/v1/timelines/public', { remote: !!onlyRemote, max_id: maxId, only_media: !!onlyMedia }, done); export const expandCommunityTimeline = ({ maxId, onlyMedia } = {}, done = noOp) => expandTimeline(`community${onlyMedia ? ':media' : ''}`, '/api/v1/timelines/public', { local: true, max_id: maxId, only_media: !!onlyMedia }, done); export const expandAccountTimeline = (accountId, { maxId, withReplies, tagged } = {}) => expandTimeline(`account:${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:${accountId}:pinned${tagged ? `:${tagged}` : ''}`, `/api/v1/accounts/${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/${hashtag}`, { max_id: maxId, any: parseTags(tags, 'any'), all: parseTags(tags, 'all'), none: parseTags(tags, 'none'), local: local, }, done); }; export const fillHomeTimelineGaps = (done = noOp) => fillTimelineGaps('home', '/api/v1/timelines/home', {}, done); export const fillPublicTimelineGaps = ({ onlyMedia, onlyRemote } = {}, done = noOp) => fillTimelineGaps(`public${onlyRemote ? ':remote' : ''}${onlyMedia ? ':media' : ''}`, '/api/v1/timelines/public', { remote: !!onlyRemote, only_media: !!onlyMedia }, done); export const fillCommunityTimelineGaps = ({ onlyMedia } = {}, done = noOp) => fillTimelineGaps(`community${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, });