import { COMPOSE_CHANGE, COMPOSE_REPLY, COMPOSE_REPLY_CANCEL, COMPOSE_SUBMIT_REQUEST, COMPOSE_SUBMIT_SUCCESS, COMPOSE_SUBMIT_FAIL, COMPOSE_UPLOAD_REQUEST, COMPOSE_UPLOAD_SUCCESS, COMPOSE_UPLOAD_FAIL, COMPOSE_UPLOAD_UNDO, COMPOSE_UPLOAD_PROGRESS } from '../actions/compose'; import { TIMELINE_DELETE } from '../actions/timelines'; import Immutable from 'immutable'; const initialState = Immutable.Map({ text: '', in_reply_to: null, is_submitting: false, is_uploading: false, progress: 0, media_attachments: Immutable.List([]) }); function statusToTextMentions(status) { return Immutable.OrderedSet([`@${status.getIn(['account', 'acct'])} `]).union(status.get('mentions').map(mention => `@${mention.get('acct')} `)).join(''); }; function clearAll(state) { return state.withMutations(map => { map.set('text', ''); map.set('is_submitting', false); map.set('in_reply_to', null); map.update('media_attachments', list => list.clear()); }); }; function appendMedia(state, media) { return state.withMutations(map => { map.update('media_attachments', list => list.push(media)); map.set('is_uploading', false); map.update('text', oldText => `${oldText} ${media.get('text_url')}`.trim()); }); }; function removeMedia(state, mediaId) { const media = state.get('media_attachments').find(item => item.get('id') === mediaId); return state.withMutations(map => { map.update('media_attachments', list => list.filterNot(item => item.get('id') === mediaId)); map.update('text', text => text.replace(media.get('text_url'), '').trim()); }); }; export default function compose(state = initialState, action) { switch(action.type) { case COMPOSE_CHANGE: return state.set('text', action.text); case COMPOSE_REPLY: return state.withMutations(map => { map.set('in_reply_to', action.status.get('id')); map.set('text', statusToTextMentions(action.status)); }); case COMPOSE_REPLY_CANCEL: return state.withMutations(map => { map.set('in_reply_to', null); map.set('text', ''); }); case COMPOSE_SUBMIT_REQUEST: return state.set('is_submitting', true); case COMPOSE_SUBMIT_SUCCESS: return clearAll(state); case COMPOSE_SUBMIT_FAIL: return state.set('is_submitting', false); case COMPOSE_UPLOAD_REQUEST: return state.set('is_uploading', true); case COMPOSE_UPLOAD_SUCCESS: return appendMedia(state, Immutable.fromJS(action.media)); case COMPOSE_UPLOAD_FAIL: return state.set('is_uploading', false); case COMPOSE_UPLOAD_UNDO: return removeMedia(state, action.media_id); case COMPOSE_UPLOAD_PROGRESS: return state.set('progress', Math.round((action.loaded / action.total) * 100)); case TIMELINE_DELETE: if (action.id === state.get('in_reply_to')) { return state.set('in_reply_to', null); } else { return state; } default: return state; } };