Rocket.Chat/app/ui-utils/client/lib/messageContext.js

import { Meteor } from 'meteor/meteor';
import { Template } from 'meteor/templating';
import { FlowRouter } from 'meteor/kadira:flow-router';
import { Tracker } from 'meteor/tracker';

import { Subscriptions, Rooms, Users } from '../../../models/client';
import { hasPermission } from '../../../authorization/client';
import { settings } from '../../../settings/client';
import { getUserPreference } from '../../../utils/client';
import { AutoTranslate } from '../../../autotranslate/client';
import { fireGlobalEvent } from '../../../../client/lib/utils/fireGlobalEvent';
import { actionLinks } from '../../../action-links/client';
import { goToRoomById } from '../../../../client/lib/utils/goToRoomById';
import { isLayoutEmbedded } from '../../../../client/lib/utils/isLayoutEmbedded';
import { handleError } from '../../../../client/lib/utils/handleError';
import { roomCoordinator } from '../../../../client/lib/rooms/roomCoordinator';

const fields = {
	'name': 1,
	'username': 1,
	'settings.preferences.enableMessageParserEarlyAdoption': 1,
	'settings.preferences.showMessageInMainThread': 1,
	'settings.preferences.autoImageLoad': 1,
	'settings.preferences.saveMobileBandwidth': 1,
	'settings.preferences.collapseMediaByDefault': 1,
	'settings.preferences.hideRoles': 1,
};

export function messageContext({ rid } = Template.instance()) {
	const uid = Meteor.userId();
	const user = Users.findOne({ _id: uid }, { fields }) || {};
	const instance = Template.instance();
	const openThread = (e) => {
		const { rid, mid, tmid } = e.currentTarget.dataset;
		const room = Rooms.findOne({ _id: rid });
		FlowRouter.go(
			FlowRouter.getRouteName(),
			{
				rid,
				name: room.name,
				tab: 'thread',
				context: tmid || mid,
			},
			{
				jump: tmid && tmid !== mid && mid && mid,
			},
		);
		e.preventDefault();
		e.stopPropagation();
	};

	const runAction = isLayoutEmbedded()
		? (msg, e) => {
				const { actionlink } = e.currentTarget.dataset;
				return fireGlobalEvent('click-action-link', {
					actionlink,
					value: msg._id,
					message: msg,
				});
		  }
		: (msg, e) => {
				const { actionlink } = e.currentTarget.dataset;
				actionLinks.run(actionlink, msg._id, instance, (err) => {
					if (err) {
						handleError(err);
					}
				});
		  };

	const openDiscussion = (e) => {
		e.preventDefault();
		e.stopPropagation();
		const { drid } = e.currentTarget.dataset;
		goToRoomById(drid);
	};

	const replyBroadcast = (e) => {
		const { username, mid } = e.currentTarget.dataset;
		roomCoordinator.openRouteLink('d', { name: username }, { ...FlowRouter.current().queryParams, reply: mid });
	};

	return {
		u: user,
		room: Tracker.nonreactive(() =>
			Rooms.findOne(
				{ _id: rid },
				{
					fields: {
						_updatedAt: 0,
						lastMessage: 0,
					},
				},
			),
		),
		subscription: Subscriptions.findOne(
			{ rid },
			{
				fields: {
					name: 1,
					autoTranslate: 1,
					rid: 1,
					tunread: 1,
					tunreadUser: 1,
					tunreadGroup: 1,
				},
			},
		),
		actions: {
			openThread() {
				return openThread;
			},
			runAction(msg) {
				return () => (e) => {
					e.preventDefault();
					e.stopPropagation();
					runAction(msg, e);
				};
			},
			openDiscussion() {
				return openDiscussion;
			},
			replyBroadcast() {
				return replyBroadcast;
			},
		},
		settings: {
			translateLanguage: AutoTranslate.getLanguage(rid),
			showMessageInMainThread: getUserPreference(user, 'showMessageInMainThread'),
			autoImageLoad: getUserPreference(user, 'autoImageLoad'),
			enableMessageParserEarlyAdoption: getUserPreference(user, 'enableMessageParserEarlyAdoption'),
			saveMobileBandwidth: Meteor.Device.isPhone() && getUserPreference(user, 'saveMobileBandwidth'),
			collapseMediaByDefault: getUserPreference(user, 'collapseMediaByDefault'),
			showreply: true,
			showReplyButton: true,
			hasPermissionDeleteMessage: hasPermission('delete-message', rid),
			hasPermissionDeleteOwnMessage: hasPermission('delete-own-message'),
			hideRoles: !settings.get('UI_DisplayRoles') || getUserPreference(user, 'hideRoles'),
			UI_Use_Real_Name: settings.get('UI_Use_Real_Name'),
			Chatops_Username: settings.get('Chatops_Username'),
			AutoTranslate_Enabled: settings.get('AutoTranslate_Enabled'),
			Message_AllowEditing: settings.get('Message_AllowEditing'),
			Message_AllowEditing_BlockEditInMinutes: settings.get('Message_AllowEditing_BlockEditInMinutes'),
			Message_ShowEditedStatus: settings.get('Message_ShowEditedStatus'),
			API_Embed: settings.get('API_Embed'),
			API_EmbedDisabledFor: settings.get('API_EmbedDisabledFor'),
			Message_GroupingPeriod: settings.get('Message_GroupingPeriod') * 1000,
		},
	};
}