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Subs union to server side

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This commit is contained in:
vjrj 2018-02-14 18:21:50 +01:00
parent ed7c89476f
commit ac4331edbd
10 changed files with 299 additions and 162 deletions
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35
imports/api/Subscriptions/server/publications.js
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@ -3,43 +3,8 @@
import { Meteor } from 'meteor/meteor';
import { Mongo } from 'meteor/mongo';
import { check } from 'meteor/check';
import Perlin from 'loms.perlin';
import Subscriptions from '../Subscriptions';
Perlin.seed(Math.random());
Meteor.publishTransformed('userSubsToFires', function transform() {
// https://en.wikipedia.org/wiki/Location_obfuscation
// https://en.wikipedia.org/wiki/Decimal_degrees#Precision
// https://gis.stackexchange.com/questions/27792/what-simple-effective-techniques-for-obfuscating-points-are-available
return Subscriptions.find().serverTransform(function transformDoc(odoc) {
const doc = odoc;
// Destructuring gives me an error: "Cannot destructure property `location` of 'undefined'"
const location = doc.location;
/* doc.lat = location.lat;
* doc.lon = location.lon; */
let lat;
let lon;
if (location) {
lat = Math.round(location.lat * 10) / 10;
lon = Math.round(location.lon * 10) / 10;
// console.log(`[${lat}, ${lon}]`);
const noiseBase = Perlin.perlin2(lat, lon);
const noise = Math.abs(noiseBase / 3);
// console.log(`Noise ${noise}, abs: ${Math.abs(noise)}`);
lat += noise;
lon += noise;
doc.location.lat = lat;
doc.location.lon = lon;
doc.distance += noiseBase;
}
// console.log(`with noise: [${doc.lat}, ${doc.lon}]`);
delete doc.chatId;
delete doc.geo;
return doc;
});
});
Meteor.publish('mysubscriptions', function subscriptions() {
return Subscriptions.find({ owner: this.userId }); // type: 'web'
});