125 lines
2.5 KiB
JavaScript
125 lines
2.5 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 Post from '../../models/post';
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import User from '../../models/user';
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import serialize from '../../serializers/post';
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/**
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* Get posts of a user
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*
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* @param {Object} params
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* @param {Object} me
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* @return {Promise<object>}
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*/
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module.exports = (params, me) =>
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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 userId = params.user_id;
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if (userId === undefined || userId === null || userId === '') {
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userId = null;
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}
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// Get 'username' parameter
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let username = params.username;
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if (username === undefined || username === null || username === '') {
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username = null;
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}
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if (userId === null && username === null) {
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return rej('user_id or username is required');
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}
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// Get 'with_replies' parameter
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let withReplies = params.with_replies;
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if (withReplies !== undefined && withReplies !== null && withReplies === 'true') {
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withReplies = true;
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} else {
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withReplies = false;
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}
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// Get 'with_media' parameter
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let withMedia = params.with_media;
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if (withMedia !== undefined && withMedia !== null && withMedia === 'true') {
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withMedia = true;
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} else {
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withMedia = false;
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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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// Lookup user
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const user = userId !== null
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? await User.findOne({ _id: new mongo.ObjectID(userId) })
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: await User.findOne({ username_lower: username.toLowerCase() });
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if (user === null) {
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return rej('user not found');
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}
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// Construct query
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const sort = {
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_id: -1
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};
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const query = {
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user_id: user._id
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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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if (!withReplies) {
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query.reply_to_id = null;
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}
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if (withMedia) {
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query.media_ids = {
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$exists: true,
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$ne: null
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};
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}
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// Issue query
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const posts = await Post
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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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.toArray();
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// Serialize
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res(await Promise.all(posts.map(async (post) =>
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await serialize(post, me)
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)));
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});
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