Files
remark42/frontend/app/store/comments/actions.ts
T
2020-03-22 16:11:01 -05:00

126 lines
4.0 KiB
TypeScript

import * as api from '@app/common/api';
import { Tree, Comment, CommentMode, Node, Sorting } from '@app/common/types';
import { StoreAction, StoreState } from '../index';
import { setPostInfo } from '../post_info/actions';
import { filterTree } from './utils';
import {
COMMENTS_SET,
COMMENT_MODE_SET,
COMMENTS_APPEND,
COMMENTS_EDIT,
COMMENT_MODE_SET_ACTION,
COMMENTS_SET_SORT,
COMMENTS_REQUEST_FETCHING,
COMMENTS_REQUEST_SUCCESS,
} from './types';
import { setItem } from '@app/common/local-storage';
import { LS_SORT_KEY } from '@app/common/constants';
/** sets comments, and put pinned comments in cache */
export const setComments = (comments: Node[]): StoreAction<void> => dispatch => {
dispatch({
type: COMMENTS_SET,
comments,
});
};
/** appends comment to tree */
export const addComment = (
text: string,
title: string,
pid?: Comment['id']
): StoreAction<Promise<void>> => async dispatch => {
const comment = await api.addComment({ text, title, pid });
dispatch({ type: COMMENTS_APPEND, pid: pid || null, comment });
};
/** edits comment in tree */
export const updateComment = (id: Comment['id'], text: string): StoreAction<Promise<void>> => async dispatch => {
const comment = await api.updateComment({ id, text });
dispatch({ type: COMMENTS_EDIT, comment });
};
/** edits comment in tree */
export const putVote = (id: Comment['id'], value: number): StoreAction<Promise<void>> => async dispatch => {
await api.putCommentVote({ id, value });
const comment = await api.getComment(id);
dispatch({ type: COMMENTS_EDIT, comment });
};
/** edits comment in tree */
export const setPinState = (id: Comment['id'], value: boolean): StoreAction<Promise<void>> => async (
dispatch,
getState
) => {
if (value) {
await api.pinComment(id);
} else {
await api.unpinComment(id);
}
let comment = getState().comments.allComments[id];
comment = { ...comment, pin: value, edit: { summary: '', time: new Date().toISOString() } };
dispatch({ type: COMMENTS_EDIT, comment });
};
/** edits comment in tree */
export const removeComment = (id: Comment['id']): StoreAction<Promise<void>> => async (dispatch, getState) => {
const user = getState().user;
if (!user) return;
if (user.admin) {
await api.removeComment(id);
} else {
await api.removeMyComment(id);
}
let comment = getState().comments.allComments[id];
comment = { ...comment, delete: true, edit: { summary: '', time: new Date().toISOString() } };
dispatch({ type: COMMENTS_EDIT, comment });
};
/** fetches comments from server */
export const fetchComments = (sort?: Sorting): StoreAction<Promise<Tree>> => async (dispatch, getState) => {
const { hiddenUsers, comments } = getState();
const hiddenUsersIds = Object.keys(hiddenUsers);
dispatch({ type: COMMENTS_REQUEST_FETCHING });
const data = await api.getPostComments(sort || comments.sort);
dispatch({ type: COMMENTS_REQUEST_SUCCESS });
if (hiddenUsersIds.length > 0) {
data.comments = filterTree(data.comments, node => hiddenUsersIds.indexOf(node.comment.user.id) === -1);
}
dispatch(setComments(data.comments));
dispatch(setPostInfo(data.info));
return data;
};
/** sets mode for comment, either reply or edit */
export const setCommentMode = (mode: StoreState['comments']['activeComment']): StoreAction<void> => dispatch => {
if (mode !== null && mode.state === CommentMode.None) {
mode = null;
}
dispatch(unsetCommentMode(mode));
};
/** unsets comment mode */
export function unsetCommentMode(mode: StoreState['comments']['activeComment'] = null) {
return {
type: COMMENT_MODE_SET,
mode,
} as COMMENT_MODE_SET_ACTION;
}
export function updateSorting(sort: Sorting): StoreAction<void> {
return async (dispath, getState) => {
const { sort: prevSort } = getState().comments;
dispath({ type: COMMENTS_SET_SORT, payload: sort });
try {
await dispath(fetchComments(sort));
setItem(LS_SORT_KEY, sort);
} catch (e) {
dispath({ type: COMMENTS_SET_SORT, payload: prevSort });
}
};
}