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import {
COMPOSE_MOUNT,
COMPOSE_UNMOUNT,
COMPOSE_CHANGE,
COMPOSE_REPLY,
COMPOSE_REPLY_CANCEL,
COMPOSE_MENTION,
COMPOSE_SUBMIT_REQUEST,
COMPOSE_SUBMIT_SUCCESS,
COMPOSE_SUBMIT_FAIL,
COMPOSE_UPLOAD_REQUEST,
COMPOSE_UPLOAD_SUCCESS,
COMPOSE_UPLOAD_FAIL,
COMPOSE_UPLOAD_UNDO,
COMPOSE_UPLOAD_PROGRESS,
COMPOSE_SUGGESTIONS_CLEAR,
COMPOSE_SUGGESTIONS_READY,
COMPOSE_SUGGESTION_SELECT
} from '../actions/compose';
import { TIMELINE_DELETE } from '../actions/timelines';
import { ACCOUNT_SET_SELF } from '../actions/accounts';
import Immutable from 'immutable';
const initialState = Immutable.Map({
mounted: false,
text: '',
in_reply_to: null,
is_submitting: false,
is_uploading: false,
progress: 0,
media_attachments: Immutable.List(),
suggestion_token: null,
suggestions: Immutable.List(),
me: null
});
function statusToTextMentions(state, status) {
let set = Immutable.OrderedSet([]);
let me = state.get('me');
if (status.getIn(['account', 'id']) !== me) {
set = set.add(`@${status.getIn(['account', 'acct'])} `);
}
return set.union(status.get('mentions').filterNot(mention => mention.get('id') === me).map(mention => `@${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} ${media.get('text_url')}`.trim());
});
};
function removeMedia(state, mediaId) {
const media = state.get('media_attachments').find(item => item.get('id') === mediaId);
return state.withMutations(map => {
map.update('media_attachments', list => list.filterNot(item => item.get('id') === mediaId));
map.update('text', text => text.replace(media.get('text_url'), '').trim());
});
};
const insertSuggestion = (state, position, completion) => {
const token = state.get('suggestion_token');
return state.withMutations(map => {
map.update('text', oldText => `${oldText.slice(0, position - token.length)}${completion}${oldText.slice(position + token.length)}`);
map.set('suggestion_token', null);
map.update('suggestions', Immutable.List(), list => list.clear());
});
};
export default function compose(state = initialState, action) {
switch(action.type) {
case COMPOSE_MOUNT:
return state.set('mounted', true);
case COMPOSE_UNMOUNT:
return state.set('mounted', false);
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(state, 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 COMPOSE_MENTION:
return state.update('text', text => `${text}@${action.account.get('acct')} `);
case COMPOSE_SUGGESTIONS_CLEAR:
return state.update('suggestions', Immutable.List(), list => list.clear()).set('suggestion_token', null);
case COMPOSE_SUGGESTIONS_READY:
return state.set('suggestions', Immutable.List(action.accounts.map(item => item.id))).set('suggestion_token', action.token);
case COMPOSE_SUGGESTION_SELECT:
return insertSuggestion(state, action.position, action.completion);
case TIMELINE_DELETE:
if (action.id === state.get('in_reply_to')) {
return state.set('in_reply_to', null);
} else {
return state;
}
case ACCOUNT_SET_SELF:
return state.set('me', action.account.id);
default:
return state;
}
};
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