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populateBeta.js
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populateBeta.js
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#! /usr/bin/env node
console.log('Started data loading script !!');
var async = require('async')
var Actor = require('./models/Actor.js');
var Script = require('./models/Script.js');
var Notification = require('./models/Notification.js');
const _ = require('lodash');
const dotenv = require('dotenv');
var mongoose = require('mongoose');
var fs = require('fs')
const CSVToJSON = require("csvtojson");
//input files
/********
TODO:
Use CSV files instead of json files
use a CSV file reader and use that as input
********/
var actors_list
var posts_list
var comment_list
var notification_list
var notification_reply_list
async function readData() {
try {
//synchronously read all csv files and convert them to JSON
await console.log("Start reading data from .csv files")
notification_reply_list = await CSVToJSON().fromFile('./input/actor_replies.csv');
//synchronously write all converted JSON output to .json files incase for future use
// fs.writeFileSync("./input/bots.json", JSON.stringify(actors_list));
// fs.writeFileSync("./input/allposts.json", JSON.stringify(posts_list));
// fs.writeFileSync("./input/allreplies.json", JSON.stringify(comment_list));
await console.log("Converted data to json")
} catch (err) {
console.log('Error occurred in reading data from csv files', err);
}
}
dotenv.config({ path: '.env' });
var MongoClient = require('mongodb').MongoClient
, assert = require('assert');
//var connection = mongo.connect('mongodb://127.0.0.1/test');
mongoose.connect(process.env.MONGODB_URI || process.env.MONGOLAB_URI, { useNewUrlParser: true });
var db = mongoose.connection;
mongoose.connection.on('error', (err) => {
console.error(err);
console.log('%s MongoDB connection error. Please make sure MongoDB is running.');
process.exit(1);
});
/*
This is a huge function of chained promises, done to achieve serial completion of asynchronous actions.
There's probably a better way to do this, but this worked.
*/
async function doPopulate() {
/****
Dropping collections
****/
let promise = new Promise((resolve, reject) => { //Drop the actors collection
console.log("Dropping actors...");
db.collections['actors'].drop(function (err) {
console.log('actors collection dropped');
resolve("done");
});
}).then(function(result){ //Drop the scripts collection
return new Promise((resolve, reject) => {
console.log("Dropping scripts...");
db.collections['scripts'].drop(function (err) {
console.log('scripts collection dropped');
resolve("done");
});
});
}).then(function(result){ //Drop the notifications collection
return new Promise((resolve, reject) => {
console.log("Dropping notifications...");
db.collections['notifications'].drop(function (err) {
console.log('notifications collection dropped');
resolve("done");
});
});
/***
Converting CSV files to JSON
***/
}).then(function(result){ //Convert the actors csv file to json, store in actors_list
return new Promise((resolve, reject) => {
console.log("Reading actors list...");
CSVToJSON().fromFile('./input/actors.csv').then(function(json_array){
actors_list = json_array;
console.log("Finished getting the actors_list");
resolve("done");
});
});
}).then(function(result){ //Convert the posts csv file to json, store in posts_list
return new Promise((resolve, reject) => {
console.log("Reading posts list...");
CSVToJSON().fromFile('./input/posts.csv').then(function(json_array){
posts_list = json_array;
console.log("Finished getting the posts list");
resolve("done");
});
});
}).then(function(result){ //Convert the comments csv file to json, store in comment_list
return new Promise((resolve, reject) => {
console.log("Reading comment list...");
CSVToJSON().fromFile('./input/replies.csv').then(function(json_array){
comment_list = json_array;
console.log("Finished getting the comment list");
resolve("done");
});
});
}).then(function(result){ //Convert the comments csv file to json, store in comment_list\
return new Promise((resolve, reject) => {
console.log("Reading notification list...");
CSVToJSON().fromFile('./input/notifications.csv').then(function(json_array){
notification_list = json_array;
console.log("Finished getting the notification list");
resolve("done");
});
});
}).then(function(result){ //Convert the notification reply csv file to json, store in comment_list\
return new Promise((resolve, reject) => {
console.log("Reading notification reply list...");
CSVToJSON().fromFile('./input/actor_replies.csv').then(function(json_array){
notification_reply_list = json_array;
console.log("Finished getting the notification reply list");
resolve("done");
});
});
/*************************
Create all the Actors in the simulation
Must be done before creating any other instances
*************************/
}).then(function(result){
console.log("starting to populate actors...");
return new Promise((resolve, reject) => {
async.each(actors_list, function (actor_raw, callback) {
actordetail = {};
actordetail.profile = {};
actordetail.profile.name = actor_raw.name
actordetail.profile.location = actor_raw.location;
actordetail.profile.picture = actor_raw.picture;
actordetail.profile.bio = actor_raw.bio;
actordetail.profile.age = actor_raw.age;
actordetail.class = actor_raw.class;
actordetail.username = actor_raw.username;
var actor = new Actor(actordetail);
actor.save(function (err) {
if (err) {
console.log("Something went wrong!!!");
return -1;
}
console.log('New Actor: ' + actor.username);
callback();
});
},
function (err) {
//return response
console.log("All DONE WITH ACTORS!!!")
resolve("done");
return 'Loaded Actors'
}
);
});
/*************************
Create each post and upload it to the DB
Actors must be in DB first to add them correctly to the post
*************************/
}).then(function(result){
console.log("starting to populate posts...");
return new Promise((resolve, reject) => {
async.each(posts_list, function (new_post, callback) {
Actor.findOne({ username: new_post.actor }, (err, act) => {
if (err) { console.log("createPostInstances error"); console.log(err); return; }
if (act) {
var postdetail = new Object();
postdetail.likes = getLikes();
postdetail.experiment_group = new_post.experiment_group
postdetail.post_id = new_post.id;
postdetail.body = new_post.body;
postdetail.class = new_post.class;
postdetail.picture = new_post.picture;
postdetail.lowread = getReads(6, 20);
postdetail.highread = getReads(145, 203);
postdetail.actor = act;
postdetail.time = timeStringToNum(new_post.time);
var script = new Script(postdetail);
script.save(function (err) {
if (err) {
console.log("Something went wrong in Saving POST!!!");
callback(err);
}
console.log('Saved New Post: ' + script.id);
callback();
});
}
else {
//Else no ACTOR Found
console.log("No Actor Found!!!");
callback();
}
});
},
function (err) {
if (err) {
console.log("END IS WRONG!!!");
callback(err);
}
//return response
console.log("All DONE WITH POSTS!!!")
resolve("done");
return 'Loaded Posts'
}
);
});
/*************************
actorNotifyInstances:
Creates each post and uploads it to the DB
Actors must be in DB first to add them correctly to the post
*************************/
}).then(function(result){
console.log("starting to do actor notify instances...");
return new Promise((resolve, reject) => {
async.each(notification_reply_list, function (new_notify, callback) {
Actor.findOne({ username: new_notify.actor }, (err, act) => {
if (err) { console.log("actorNotifyInstances error"); console.log(err); return; }
// console.log("start post for: "+new_post.id);
if (act) {
//console.log('Looking up Actor ID is : ' + act._id);
var notifydetail = new Object();
notifydetail.userPost = new_notify.userPostId;
notifydetail.actor = act;
notifydetail.notificationType = 'reply';
notifydetail.replyBody = new_notify.body;
notifydetail.time = timeStringToNum(new_notify.time);
var notify = new Notification(notifydetail);
notify.save(function (err) {
if (err) {
console.log("Something went wrong in Saving Notify Actor reply!!!");
// console.log(err);
callback(err);
}
//console.log('Saved New Post: ' + script.id);
console.log("saved a post");
callback();
});
}//if ACT
else {
//Else no ACTOR Found
console.log("No Actor Found!!!");
callback();
}
// console.log("BOTTOM OF SAVE");
});
},
function (err) {
if (err) {
console.log("END IS WRONG!!!");
// console.log(err);
callback(err);
}
//return response
console.log("All DONE WITH Notification Actor Replies!!!")
resolve("done");
return 'Loaded Notification Actor Replies'
//mongoose.connection.close();
}
);
});
/*************************
createNotificationInstances:
Creates each post and uploads it to the DB
Actors must be in DB first to add them correctly to the post
*************************/
}).then(function(result){
console.log("starting notifiction instances...");
return new Promise((resolve, reject) => {
async.each(notification_list, function (new_notify, callback) {
Actor.findOne({ username: new_notify.actor }, (err, act) => {
if (err) { console.log("createNotificationInstances error"); console.log(err); return; }
// console.log("start post for: "+new_notify.id);
if (act) {
var notifydetail = new Object();
if (new_notify.userPost >= 0 && !(new_notify.userPost === ""))
{
notifydetail.userPost = new_notify.userPost;
//console.log('User Post is : ' + notifydetail.userPost);
}
else if (new_notify.userReply >= 0 && !(new_notify.userReply === ""))
{
notifydetail.userReply = new_notify.userReply;
//console.log('User Reply is : ' + notifydetail.userReply);
}
else if (new_notify.actorReply >= 0 && !(new_notify.actorReply === ""))
{
notifydetail.actorReply = new_notify.actorReply;
//console.log('Actor Reply is : ' + notifydetail.actorReply);
}
notifydetail.actor = act;
notifydetail.notificationType = new_notify.type;
notifydetail.time = timeStringToNum(new_notify.time);
var notify = new Notification(notifydetail);
notify.save(function (err) {
if (err) {
console.log("Something went wrong in Saving Notify!!!");
// console.log(err);
callback(err);
}
//console.log('Saved New Post: ' + script.id);
console.log("saved a post");
callback();
});
}//if ACT
else {
//Else no ACTOR Found
console.log("No Actor Found!!!");
callback();
}
// console.log("BOTTOM OF SAVE");
});
},
function (err) {
if (err) {
console.log("END IS WRONG!!!");
// console.log(err);
callback(err);
}
//return response
console.log("All DONE WITH Notification!!!");
resolve("done");
return 'Loaded Notification'
//mongoose.connection.close();
}
);
});
/*************************
createPostRepliesInstances:
Creates inline comments for each post
Looks up actors and posts to insert the correct comment
Does this in series to insure comments are put in, in correct order
Takes a while because of this
*************************/
}).then(function(result){
console.log("starting post replies instances...");
return new Promise((resolve, reject) => {
async.eachSeries(comment_list, function (new_replies, callback) {
Actor.findOne({ username: new_replies.actor }, (err, act) => {
if (act) {
Script.findOne({ post_id: new_replies.reply }, function (err, pr) {
if (pr) {
var comment_detail = new Object();
comment_detail.body = new_replies.body
comment_detail.commentID = new_replies.id;
comment_detail.class = new_replies.class;
comment_detail.module = new_replies.module;
comment_detail.likes = getLikesComment();
comment_detail.time = timeStringToNum(new_replies.time);
comment_detail.actor = act;
pr.comments.push(comment_detail);
pr.comments.sort(function (a, b) { return a.time - b.time; });
pr.save(function (err) {
if (err) {
console.log("@@@@@@@@@@@@@@@@Something went wrong in Saving COMMENT!!!");
console.log("Error IN: " + new_replies.id);
callback(err);
}
console.log('Added new Comment to Post: ' + pr.id);
callback();
});
}
else {
//Else no ACTOR Found
console.log("############Error IN: " + new_replies.id);
console.log("No POST Found!!!");
callback();
}
});
}
else {
//Else no ACTOR Found
console.log("****************Error IN: " + new_replies.id);
console.log("No Actor Found!!!");
callback();
}
});
},
function (err) {
if (err) {
console.log("END IS WRONG!!!");
console.log(err);
callback(err);
}
//return response
console.log("All DONE WITH REPLIES/Comments!!!")
mongoose.connection.close();
resolve("done");
return 'Loaded Post Replies/Comments'
}
);
});
});
//Done!
}
//capitalize a string
String.prototype.capitalize = function () {
return this.charAt(0).toUpperCase() + this.slice(1);
}
//usuful when adding comments to ensure they are always in the correct order
//(based on the time of the comments)
function insert_order(element, array) {
array.push(element);
array.sort(function (a, b) {
return a.time - b.time;
});
return array;
}
//Transforms a time like -12:32 (minus 12 minutes and 32 seconds)
//into a time in milliseconds
function timeStringToNum(v) {
var timeParts = v.split(":");
if (timeParts[0] == "-0")
return -1 * parseInt(((timeParts[0] * (60000 * 60)) + (timeParts[1] * 60000)), 10);
else if (timeParts[0].startsWith('-'))
return parseInt(((timeParts[0] * (60000 * 60)) + (-1 * (timeParts[1] * 60000))), 10);
else
return parseInt(((timeParts[0] * (60000 * 60)) + (timeParts[1] * 60000)), 10);
};
//create a radom number (for likes) with a weighted distrubution
//this is for posts
function getLikes() {
var notRandomNumbers = [1, 1, 1, 2, 2, 2, 3, 3, 4, 4, 5, 6];
var idx = Math.floor(Math.random() * notRandomNumbers.length);
return notRandomNumbers[idx];
}
function randomIntFromInterval(min, max) {
return Math.floor(Math.random() * (max - min + 1) + min);
}
//create a radom number (for likes) with a weighted distrubution
//this is for comments
function getLikesComment() {
var notRandomNumbers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 3, 4];
var idx = Math.floor(Math.random() * notRandomNumbers.length);
return notRandomNumbers[idx];
}
//Create a random number between two values (like when a post needs a number of times it has been read)
function getReads(min, max) {
min = Math.ceil(min);
max = Math.floor(max);
return Math.floor(Math.random() * (max - min)) + min; //The maximum is exclusive and the minimum is inclusive
}
//Call the function with the long chain of promises
doPopulate();