140 lines
2.8 KiB
JavaScript
140 lines
2.8 KiB
JavaScript
'use strict';
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/**
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* Module dependencies
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*/
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import * as mongo from 'mongodb';
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import Message from '../../models/messaging-message';
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import User from '../../models/user';
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import serialize from '../../serializers/messaging-message';
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import publishUserStream from '../../event';
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import { publishMessagingStream } from '../../event';
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/**
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* Get messages
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*
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* @param {any} params
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* @param {any} user
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* @return {Promise<any>}
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*/
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module.exports = (params, user) =>
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new Promise(async (res, rej) =>
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{
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// Get 'user_id' parameter
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let recipient = params.user_id;
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if (recipient !== undefined && recipient !== null) {
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recipient = await User.findOne({
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_id: new mongo.ObjectID(recipient)
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}, {
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fields: {
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_id: true
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}
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});
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if (recipient === null) {
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return rej('user not found');
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}
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} else {
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return rej('user_id is required');
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}
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// Get 'mark_as_read' parameter
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let markAsRead = params.mark_as_read;
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if (markAsRead == null) {
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markAsRead = true;
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}
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// Get 'limit' parameter
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let limit = params.limit;
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if (limit !== undefined && limit !== null) {
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limit = parseInt(limit, 10);
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// From 1 to 100
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if (!(1 <= limit && limit <= 100)) {
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return rej('invalid limit range');
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}
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} else {
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limit = 10;
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}
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const since = params.since_id || null;
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const max = params.max_id || null;
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// Check if both of since_id and max_id is specified
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if (since !== null && max !== null) {
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return rej('cannot set since_id and max_id');
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}
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const query = {
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$or: [{
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user_id: user._id,
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recipient_id: recipient._id
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}, {
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user_id: recipient._id,
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recipient_id: user._id
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}]
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};
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const sort = {
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_id: -1
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};
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if (since !== null) {
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sort._id = 1;
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query._id = {
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$gt: new mongo.ObjectID(since)
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};
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} else if (max !== null) {
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query._id = {
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$lt: new mongo.ObjectID(max)
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};
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}
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// Issue query
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const messages = await Message
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.find(query, {
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limit: limit,
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sort: sort
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});
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// Serialize
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res(await Promise.all(messages.map(async message =>
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await serialize(message, user, {
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populateRecipient: false
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}))));
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if (messages.length === 0) {
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return;
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}
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// Mark as read all
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if (markAsRead) {
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const ids = messages
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.filter(m => m.is_read == false)
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.filter(m => m.recipient_id.equals(user._id))
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.map(m => m._id);
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// Update documents
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await Message.update({
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_id: { $in: ids }
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}, {
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$set: { is_read: true }
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}, {
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multi: true
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});
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// Publish event
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publishMessagingStream(recipient._id, user._id, 'read', ids.map(id => id.toString()));
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const count = await Message
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.count({
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recipient_id: user._id,
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is_read: false
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});
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if (count == 0) {
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// 全ての(いままで未読だった)メッセージを(これで)読みましたよというイベントを発行
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publishUserStream(user._id, 'read_all_messaging_messages');
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}
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}
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});
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