// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
import React from 'react';
import {Parser, ProcessNodeDefinitions} from 'html-to-react';
import ChannelStore from 'stores/channel_store.jsx';
import TeamStore from 'stores/team_store.jsx';
import UserStore from 'stores/user_store.jsx';
import Constants from 'utils/constants.jsx';
import * as Utils from 'utils/utils.jsx';
import AtMention from 'components/at_mention';
import MarkdownImage from 'components/markdown_image';
export function isSystemMessage(post) {
return Boolean(post.type && (post.type.lastIndexOf(Constants.SYSTEM_MESSAGE_PREFIX) === 0));
}
export function isFromWebhook(post) {
return post.props && post.props.from_webhook === 'true';
}
export function isPostOwner(post) {
return UserStore.getCurrentId() === post.user_id;
}
export function isComment(post) {
if ('root_id' in post) {
return post.root_id !== '' && post.root_id != null;
}
return false;
}
export function isEdited(post) {
return post.edit_at > 0;
}
export function getProfilePicSrcForPost(post, user) {
let src = '';
if (user && user.id === post.user_id) {
src = Utils.imageURLForUser(user);
} else {
src = Utils.imageURLForUser(post.user_id);
}
if (post.props && post.props.from_webhook && !post.props.use_user_icon && global.window.mm_config.EnablePostIconOverride === 'true') {
if (post.props.override_icon_url) {
src = post.props.override_icon_url;
} else {
src = Constants.DEFAULT_WEBHOOK_LOGO;
}
} else if (isSystemMessage(post)) {
src = Constants.SYSTEM_MESSAGE_PROFILE_IMAGE;
}
return src;
}
export function canDeletePost(post) {
if (post.type === Constants.PostTypes.FAKE_PARENT_DELETED) {
return false;
}
const isOwner = isPostOwner(post);
const isSystemAdmin = UserStore.isSystemAdminForCurrentUser();
const isTeamAdmin = TeamStore.isTeamAdminForCurrentTeam() || isSystemAdmin;
const isChannelAdmin = ChannelStore.isChannelAdminForCurrentChannel() || isTeamAdmin;
const isAdmin = isChannelAdmin || isTeamAdmin || isSystemAdmin;
if (global.window.mm_license.IsLicensed === 'true') {
return (global.window.mm_config.RestrictPostDelete === Constants.PERMISSIONS_DELETE_POST_ALL && (isOwner || isChannelAdmin)) ||
(global.window.mm_config.RestrictPostDelete === Constants.PERMISSIONS_DELETE_POST_TEAM_ADMIN && isTeamAdmin) ||
(global.window.mm_config.RestrictPostDelete === Constants.PERMISSIONS_DELETE_POST_SYSTEM_ADMIN && isSystemAdmin);
}
return isOwner || isAdmin;
}
export function canEditPost(post, editDisableAction) {
const isOwner = isPostOwner(post);
let canEdit = isOwner && !isSystemMessage(post);
if (canEdit && global.window.mm_license.IsLicensed === 'true') {
if (global.window.mm_config.AllowEditPost === Constants.ALLOW_EDIT_POST_NEVER) {
canEdit = false;
} else if (global.window.mm_config.AllowEditPost === Constants.ALLOW_EDIT_POST_TIME_LIMIT) {
const timeLeft = (post.create_at + (global.window.mm_config.PostEditTimeLimit * 1000)) - Utils.getTimestamp();
if (timeLeft > 0) {
editDisableAction.fireAfter(timeLeft + 1000);
} else {
canEdit = false;
}
}
}
return canEdit;
}
export function shouldShowDotMenu(post) {
if (Utils.isMobile()) {
return true;
}
if (!isSystemMessage(post)) {
return true;
}
if (canDeletePost(post)) {
return true;
}
if (canEditPost(post)) {
return true;
}
return false;
}
export function containsAtMention(text, key) {
if (!text || !key) {
return false;
}
// This doesn't work for at mentions containing periods or hyphens
return new RegExp(`\\B${key}\\b`, 'i').test(removeCode(text));
}
// Returns a given text string with all Markdown code replaced with whitespace.
export function removeCode(text) {
// These patterns should match the ones in app/notification.go, except JavaScript doesn't
// support \z for the end of the text in multiline mode, so we use $(?![\r\n])
const codeBlockPattern = /^[^\S\n]*[`~]{3}.*$[\s\S]+?(^[^\S\n]*[`~]{3}$|$(?![\r\n]))/m;
const inlineCodePattern = /`+(?:.+?|.*?\n(.*?\S.*?\n)*.*?)`+/m;
return text.replace(codeBlockPattern, '').replace(inlineCodePattern, ' ');
}
export function postMessageHtmlToComponent(html, isRHS = false) {
const parser = new Parser();
const attrib = 'data-mention';
const processNodeDefinitions = new ProcessNodeDefinitions(React);
function isValidNode() {
return true;
}
const processingInstructions = [
{
replaceChildren: true,
shouldProcessNode: (node) => node.attribs && node.attribs[attrib],
processNode: (node) => {
const mentionName = node.attribs[attrib];
const callAtMention = (
);
return callAtMention;
}
},
{
shouldProcessNode: (node) => node.type === 'tag' && node.name === 'img',
processNode: (node) => {
const {
class: className,
...attribs
} = node.attribs;
const callMarkdownImage = (
);
return callMarkdownImage;
}
},
{
shouldProcessNode: () => true,
processNode: processNodeDefinitions.processDefaultNode
}
];
return parser.parseWithInstructions(html, isValidNode, processingInstructions);
}