wip
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7 changed files with 63 additions and 108 deletions
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@ -1,84 +0,0 @@
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'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 serialize from '../../serializers/post';
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/**
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* Show a reposts of a post
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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 'post_id' parameter
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const postId = params.post_id;
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if (postId === undefined || postId === null) {
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return rej('post_id is required');
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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 post
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const post = await Post.findOne({
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_id: new mongo.ObjectID(postId)
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});
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if (post === null) {
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return rej('post not found', 'POST_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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repost_id: post._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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// Issue query
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const reposts = 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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// Serialize
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res(await Promise.all(reposts.map(async post =>
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await serialize(post, user))));
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});
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