1137 lines
36 KiB
JavaScript
1137 lines
36 KiB
JavaScript
var pg = require('pg');
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var pgc = require('../../private.js');
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var Log = require('../../lib/NodeLog.js');
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/**
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*
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* @namespace
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*/
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var DBReq = {};
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/**
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* A class that loads every information from an experiment
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* @param id {Number} id of the experiment to load
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* @param finishAction {function} callback on the result when loading is
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* finished
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* @memberof DBReq
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* @constructor
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*
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*/
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DBReq.Info = function(id, finishAction) {
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/**
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* Id of the experiment to log
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* @type {Number}
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*/
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this.id = id;
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/**
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* Map between each element to load and a boolean saying if the element has
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* been already loaded
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* @type {Object}
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*/
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this.ready = {
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cameras: false,
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coins: false,
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arrows: false,
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resets : false,
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previousNext: false,
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hovered: false,
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pointerLocked: false,
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switchedLockOption: false,
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redCoins: false
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};
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/**
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* List of the ids of the coins involved in the experiment
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* @type {Number[]}
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*/
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this.redCoins = [];
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/**
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* Container of the result
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* @type {Object}
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*/
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this.results = {};
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/**
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* Callback to call on finalResult when the loading is complete
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* @type {function}
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*/
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this.finishAction = finishAction;
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/**
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* Client of connection to database
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*/
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this.client = null;
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/**
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* Function that releases the client to database
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* @type {function}
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*/
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this.release = null;
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// Connect to db
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var self = this;
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self.client = new pg.Client(pgc.url);
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self.client.connect(function() {
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self.execute();
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});
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};
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/**
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* Loads everything async
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*/
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DBReq.Info.prototype.execute = function() {
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this.loadCameras();
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this.loadCoins();
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this.loadArrows();
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this.loadResets();
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this.loadPreviousNext();
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this.loadHovered();
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this.loadSwitchedLockOption();
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this.loadPointerLocked();
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this.loadRedCoins();
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};
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/**
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* Checks if everything is loaded, and if so merges the results and call the
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* final callback
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*/
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DBReq.Info.prototype.tryMerge = function() {
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// If not ready, do nothing
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for (var i in this.ready) {
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if (!this.ready[i]) {
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return;
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}
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}
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// Release db connection
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// this.release();
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// this.release = null;
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this.client.end();
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this.client = null;
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this.merge();
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this.finishAction(this.finalResult);
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};
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/**
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* Merges the results of the different SQL requests and prepare final result.
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*/
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DBReq.Info.prototype.merge = function() {
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var i = 0;
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this.finalResult = {redCoins : [], events : []};
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for (;;) {
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// Find next element
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var nextIndex = null;
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for (i in this.results) {
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// The next element is placed at the index 0 (since the elements
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// gotten from the database are sorted)
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if (this.results[i].length !== 0 &&
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(nextIndex === null || this.results[i][0].time < this.results[nextIndex][0].time)) {
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nextIndex = i;
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}
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}
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// If there is no next element, we're done
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if (nextIndex === null) {
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break;
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}
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// Add the next element in results and shift its table
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this.finalResult.events.push(this.results[nextIndex].shift());
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}
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// Set red coins
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for (i = 0; i < this.redCoins.length; i++) {
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this.finalResult.redCoins.push(this.redCoins[i]);
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}
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};
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/**
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* Launches the SQL request to load the camera information from the DB and
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* tries to merge when finished
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*/
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DBReq.Info.prototype.loadCameras = function() {
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var self = this;
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this.client.query(
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"SELECT ((camera).position).x AS px, " +
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"((camera).position).y AS py, " +
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"((camera).position).z AS pz, " +
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"((camera).target).x AS tx, " +
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"((camera).target).y AS ty, " +
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"((camera).target).z AS tz, " +
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"time AS time " +
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"FROM keyboardevent WHERE exp_id = $1 ORDER BY time;",
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[self.id],
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function(err, result) {
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if (err !== null) {
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Log.dberror(err + ' in loadCameras');
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} else {
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self.results.cameras = [];
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for (var i in result.rows) {
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self.results.cameras.push(
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{
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type: 'camera',
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position : {
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x: result.rows[i].px,
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y: result.rows[i].py,
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z: result.rows[i].pz
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},
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target : {
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x: result.rows[i].tx,
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y: result.rows[i].ty,
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z: result.rows[i].tz
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},
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time: result.rows[i].time
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}
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);
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}
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}
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self.ready.cameras = true;
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self.tryMerge();
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}
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);
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};
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/**
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* Launches the SQL request to load the coin information from the DB and
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* tries to merge when finished
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*/
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DBReq.Info.prototype.loadCoins = function() {
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var self = this;
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this.client.query(
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"SELECT coin_id AS \"coinId\", time FROM coinclicked WHERE exp_id = $1 ORDER BY time;",
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[self.id],
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function(err,result) {
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if (err !== null) {
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Log.dberror(err + ' in loadCoins');
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} else {
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self.results.coins = [];
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for (var i in result.rows) {
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self.results.coins.push(
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{
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type: 'coin',
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time: result.rows[i].time,
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id: result.rows[i].coinId
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}
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);
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}
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}
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self.ready.coins = true;
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self.tryMerge();
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}
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);
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};
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/**
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* Launches the SQL request to load the recommendation information from the DB and
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* tries to merge when finished
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*/
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DBReq.Info.prototype.loadArrows = function() {
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var self = this;
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this.client.query(
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"SELECT arrow_id AS \"arrowId\", time FROM arrowclicked WHERE exp_id = $1 ORDER BY time;",
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[self.id],
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function(err, result) {
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if (err !== null) {
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Log.dberror(err + ' in loadArrows');
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} else {
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self.results.arrows = [];
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for (var i in result.rows) {
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self.results.arrows.push(
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{
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type: 'arrow',
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time: result.rows[i].time,
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id: result.rows[i].arrowId
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}
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);
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}
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}
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self.ready.arrows = true;
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self.tryMerge();
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}
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);
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};
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/**
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* Launches the SQL request to load the reset information from the DB and
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* tries to merge when finished
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*/
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DBReq.Info.prototype.loadResets = function() {
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var self = this;
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this.client.query(
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"SELECT time FROM resetclicked WHERE exp_id = $1 ORDER BY time;",
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[self.id],
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function(err, result) {
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if (err !== null) {
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Log.dberror(err + ' in loadResets');
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} else {
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self.results.resets = [];
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for (var i in result.rows) {
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self.results.resets.push(
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{
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type: 'reset',
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time: result.rows[i].time
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}
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);
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}
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}
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self.ready.resets = true;
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self.tryMerge();
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}
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);
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};
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/**
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* Launches the SQL request to load the previous / next information from the DB and
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* tries to merge when finished
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*/
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DBReq.Info.prototype.loadPreviousNext = function () {
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var self = this;
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this.client.query(
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"SELECT ((camera).position).x AS px, " +
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"((camera).position).y AS py, " +
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"((camera).position).z AS pz, " +
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"((camera).target).x AS tx, " +
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"((camera).target).y AS ty, " +
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"((camera).target).z AS tz, " +
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"time AS time " +
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"FROM previousnextclicked WHERE exp_id = $1 ORDER BY time;",
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[self.id],
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function(err, result) {
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if (err !== null) {
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Log.dberror(err + ' in loadPreviousNext');
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} else {
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self.results.previousNext = [];
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for (var i in result.rows) {
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self.results.previousNext.push(
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{
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type: 'previousnext',
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time: result.rows[i].time,
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previous: result.rows[i].previousnext == 'p',
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position : {
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x: result.rows[i].px,
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y: result.rows[i].py,
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z: result.rows[i].pz
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},
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target : {
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x: result.rows[i].tx,
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y: result.rows[i].ty,
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z: result.rows[i].tz
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}
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}
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);
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}
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}
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self.ready.previousNext = true;
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self.tryMerge();
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}
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);
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};
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/**
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* Launches the SQL request to load the hovered information from the DB and
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* tries to merge when finished
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*/
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DBReq.Info.prototype.loadHovered = function() {
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var self = this;
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this.client.query(
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"SELECT start, time, arrow_id AS \"arrowId\" FROM hovered WHERE exp_id = $1 ORDER BY time;",
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[self.id],
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function(err, result) {
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if (err !== null) {
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Log.dberror(err + ' in loadHovered');
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} else {
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self.results.hovered = [];
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for (var i in result.rows) {
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self.results.hovered.push(
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{
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type: "hovered",
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time: result.rows[i].time,
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start: result.rows[i].start,
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id: result.rows[i].arrowId
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}
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);
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}
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}
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self.ready.hovered = true;
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self.tryMerge();
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}
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);
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};
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/**
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* Launches the SQL request to load the pointer lock information from the DB and
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* tries to merge when finished
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*/
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DBReq.Info.prototype.loadPointerLocked = function() {
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var self = this;
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this.client.query(
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"SELECT time, locked FROM pointerlocked WHERE exp_id = $1 ORDER BY time;",
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[self.id],
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function(err, result) {
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if (err !== null) {
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Log.dberror(err + ' in loadPointerLocked');
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} else {
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self.results.pointerlocked = [];
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for (var i in result.rows) {
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self.results.pointerlocked.push(
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{
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type: "pointerlocked",
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locked: result.rows[i].locked,
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time: result.rows[i].time
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}
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);
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}
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}
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self.ready.pointerLocked = true;
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self.tryMerge();
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}
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);
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};
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/**
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* Launches the SQL request to load the switch pointer lock option information
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* from the DB and tries to merge when finished
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*/
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DBReq.Info.prototype.loadSwitchedLockOption = function() {
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var self = this;
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this.client.query(
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"SELECT time, locked FROM switchedlockoption WHERE exp_id = $1 ORDER BY time;",
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[self.id],
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function(err, result) {
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if (err !== null) {
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Log.dberror(err + ' in loadSwitchedLockOption');
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} else {
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self.results.switchedlockoption = [];
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for (var i in result.rows) {
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self.results.switchedlockoption.push(
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{
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type: "switchedlockoption",
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locked: result.rows[i].locked,
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time: result.rows[i].time
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}
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);
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}
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}
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self.ready.switchedLockOption = true;
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self.tryMerge();
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}
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);
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};
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/**
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* Launches the SQL request to load the coins used in the expermient from the
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* DB and tries to merge when finished
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*/
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DBReq.Info.prototype.loadRedCoins = function() {
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var self = this;
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this.client.query(
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"SELECT coin_1 AS coin1, \n" +
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" coin_2 AS coin2, \n" +
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" coin_3 AS coin3, \n" +
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" coin_4 AS coin4, \n" +
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" coin_5 AS coin5, \n" +
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" coin_6 AS coin6, \n" +
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" coin_7 AS coin7, \n" +
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" coin_8 AS coin8 \n" +
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"FROM CoinCombination, Experiment \n" +
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"WHERE CoinCombination.id = Experiment.coin_combination_id AND \n" +
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" Experiment.id = $1;",
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[self.id],
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function(err, result) {
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if (err !== null) {
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Log.dberror(err + ' in loadRedCoins');
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} else {
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self.redCoins.push(result.rows[0].coin1);
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self.redCoins.push(result.rows[0].coin2);
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self.redCoins.push(result.rows[0].coin3);
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self.redCoins.push(result.rows[0].coin4);
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self.redCoins.push(result.rows[0].coin5);
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self.redCoins.push(result.rows[0].coin6);
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self.redCoins.push(result.rows[0].coin7);
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self.redCoins.push(result.rows[0].coin8);
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}
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self.ready.redCoins = true;
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self.tryMerge();
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}
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);
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};
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/**
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* Class that creates a user
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* @param finishAction {function} callback that has as a parameter the id of
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* the new user
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* @memberof DBReq
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* @constructor
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*/
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DBReq.UserCreator = function(workerId, age, male, rating, lastTime, finishAction) {
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/**
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* Callback to call on the id when the user is created
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* @type {function}
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*/
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this.finishAction = finishAction;
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this.workerId = workerId;
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this.age = age;
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this.male = male;
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this.rating = rating;
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this.lastTime = lastTime;
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// Connect to db
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var self = this;
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pg.connect(pgc.url, function(err, client, release) {
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self.client = client;
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self.release = release;
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self.execute();
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});
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};
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/**
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* Executes the SQL request and calls the callback
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*/
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DBReq.UserCreator.prototype.execute = function() {
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var self = this;
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this.client.query("BEGIN; LOCK Users;", [], function() {
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self.client.query(
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"INSERT INTO users(worker_id, age, male, rating, lasttime) VALUES($1, $2, $3, $4, $5);",
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[
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self.workerId,
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self.age,
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self.male,
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self.rating,
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self.lastTime
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],
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function(err, result) {
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if (err !== null) {
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Log.dberror(err + ' in UserCreator INSERT INTO');
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}
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self.client.query(
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"SELECT max(id) FROM Users;",
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[],
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function(err, result) {
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self.finalResult = result.rows[0].max;
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self.finish();
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}
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);
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}
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);
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});
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};
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|
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/**
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|
* Release the DB connection and call the callback
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*/
|
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DBReq.UserCreator.prototype.finish = function() {
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var self = this;
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this.client.query("COMMIT;", [], function() {
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self.release();
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|
self.client = null;
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self.release = null;
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self.finishAction(self.finalResult);
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|
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});
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};
|
|
|
|
/**
|
|
* Class that creates an experiment
|
|
* @param userId {Number} id of the user that does the experiment
|
|
* @param sceneId {Number} id of the scene the experiment is based on
|
|
* @param finishAction {function} callback that has as a parameter the id of
|
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* the new experiment
|
|
* @memberof DBReq
|
|
* @constructor
|
|
*/
|
|
DBReq.ExpCreator = function(userId, finishAction) {
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this.finishAction = finishAction;
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this.userId = userId;
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this.finalResult = {};
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|
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// Connect to db
|
|
var self = this;
|
|
pg.connect(pgc.url, function(err, client, release) {
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|
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self.client = client;
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self.release = release;
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|
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// Start transaction and lock table
|
|
self.client.query("BEGIN; LOCK CoinCombination; LOCK Experiment;", [], function() {
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self.execute();
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});
|
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});
|
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};
|
|
|
|
/**
|
|
* Executes the SQL request and calls the callback
|
|
*/
|
|
// Abandon all hope ye who enter here
|
|
DBReq.ExpCreator.prototype.execute = function() {
|
|
var self = this;
|
|
this.client.query(
|
|
"SELECT DISTINCT \n" +
|
|
" RecommendationStyle.name, \n" +
|
|
" CoinCombination.scene_id AS \"sceneId\", \n" +
|
|
" CoinCombination.id, \n" +
|
|
" coin_1 AS coin1, \n" +
|
|
" coin_2 AS coin2, \n" +
|
|
" coin_3 AS coin3, \n" +
|
|
" coin_4 AS coin4, \n" +
|
|
" coin_5 AS coin5, \n" +
|
|
" coin_6 AS coin6, \n" +
|
|
" coin_7 AS coin7, \n" +
|
|
" coin_8 AS coin8\n" +
|
|
"FROM CoinCombination, Experiment, Users U, Users Other, RecommendationStyle, Scene\n" +
|
|
"WHERE\n" +
|
|
" Scene.id = CoinCombination.scene_id AND\n" +
|
|
" Scene.name != 'peachcastle' AND\n" +
|
|
" CoinCombination.id = Experiment.coin_combination_id AND\n" +
|
|
" Other.id = Experiment.user_id AND\n" +
|
|
" Other.rating = U.rating AND\n" +
|
|
" Other.id != U.id AND\n" +
|
|
" U.id = $1 AND\n" +
|
|
" RecommendationStyle.name NOT IN (\n" +
|
|
" SELECT DISTINCT Experiment.recommendation_style\n" +
|
|
" FROM CoinCombination, Experiment, Users U, Users Other\n" +
|
|
" WHERE\n" +
|
|
" CoinCombination.id = Experiment.coin_combination_id AND\n" +
|
|
" Other.id = Experiment.user_id AND\n" +
|
|
" Other.rating = U.rating AND\n" +
|
|
" Other.id != U.id AND\n" +
|
|
" CoinCombination.scene_id = Scene.id\n" +
|
|
" ) AND\n" +
|
|
" RecommendationStyle.name NOT IN (\n" +
|
|
" SELECT DISTINCT Experiment.recommendation_style\n" +
|
|
" FROM Experiment\n" +
|
|
" WHERE Experiment.user_id = $1 AND Experiment.recommendation_style != ''\n" +
|
|
" ) AND\n" +
|
|
" CoinCombination.scene_id NOT IN (\n" +
|
|
" SELECT DISTINCT scene_id\n" +
|
|
" FROM Experiment, CoinCombination\n" +
|
|
" WHERE Experiment.coin_combination_id = CoinCombination.id AND Experiment.user_id = $1\n" +
|
|
" )\n" +
|
|
"LIMIT 1;",
|
|
[self.userId],
|
|
function(err, result) {
|
|
if (err !== null) {
|
|
Log.dberror(err + ' in ExpCreator first request');
|
|
}
|
|
if (result.rows.length > 0) {
|
|
// Set the result
|
|
self.finalResult.coinCombinationId = result.rows[0].id;
|
|
self.finalResult.sceneId = result.rows[0].sceneId;
|
|
self.finalResult.recommendationStyle = result.rows[0].name;
|
|
self.finalResult.coins = [
|
|
result.rows[0].coin1,
|
|
result.rows[0].coin2,
|
|
result.rows[0].coin3,
|
|
result.rows[0].coin4,
|
|
result.rows[0].coin5,
|
|
result.rows[0].coin6,
|
|
result.rows[0].coin7,
|
|
result.rows[0].coin8
|
|
];
|
|
|
|
// There is a suggested experiment : create it
|
|
self.client.query(
|
|
"INSERT INTO Experiment(user_id, coin_combination_id, recommendation_style)\n" +
|
|
"VALUES($1,$2,$3)\n" +
|
|
"RETURNING id",
|
|
[self.userId, result.rows[0].id, result.rows[0].name],
|
|
function(err, result) {
|
|
if (err !== null) {
|
|
Log.dberror(err + ' in ExpCreator second request (with suggested experiment)');
|
|
}
|
|
self.finalResult.expId = result.rows[0].id;
|
|
self.finish();
|
|
}
|
|
);
|
|
|
|
|
|
} else {
|
|
// Find the scene / recommendation style for the new experiment
|
|
self.client.query(
|
|
"SELECT RecommendationStyle.name, Scene.id AS \"sceneId\"\n" +
|
|
"FROM RecommendationStyle, Scene\n" +
|
|
"WHERE\n" +
|
|
" RecommendationStyle.name NOT IN(\n" +
|
|
" SELECT Experiment.recommendation_style AS name\n" +
|
|
" FROM Experiment\n" +
|
|
" WHERE Experiment.user_id = $1\n" +
|
|
" AND Experiment.recommendation_style != ''\n" +
|
|
" ) AND\n" +
|
|
" Scene.id NOT IN(\n" +
|
|
" SELECT DISTINCT CoinCombination.scene_id AS id\n" +
|
|
" FROM Experiment, CoinCombination\n" +
|
|
" WHERE\n" +
|
|
" Experiment.coin_combination_id = CoinCombination.id AND\n" +
|
|
" user_id = $1\n" +
|
|
" ) AND\n" +
|
|
" Scene.name != 'peachcastle'\n" +
|
|
"\n" +
|
|
"ORDER BY RANDOM()\n" +
|
|
"LIMIT 1;",
|
|
[self.userId],
|
|
function(err, result) {
|
|
if (err !== null) {
|
|
Log.dberror(err + ' in ExpCreator second request (without suggested experiment');
|
|
}
|
|
if (result.rows.length > 0) {
|
|
self.finalResult.sceneId = result.rows[0].sceneId;
|
|
self.finalResult.recommendationStyle = result.rows[0].name;
|
|
|
|
// Generate random coins
|
|
self.client.query(
|
|
"SELECT generate_series AS id\n" +
|
|
"FROM Scene, generate_series(0,Scene.coin_number-1)\n" +
|
|
"WHERE Scene.id = $1\n" +
|
|
"ORDER BY RANDOM()\n" +
|
|
"LIMIT 8;",
|
|
[self.finalResult.sceneId],
|
|
function(err, result) {
|
|
if (err !== null) {
|
|
Log.dberror(err + ' in ExpCreator third request (without suggested experiment');
|
|
}
|
|
self.finalResult.coins = [];
|
|
for (var i = 0; i < 8; i++) {
|
|
self.finalResult.coins.push(result.rows[i].id);
|
|
}
|
|
|
|
// And then, create the CoinCombination
|
|
self.client.query(
|
|
"INSERT INTO CoinCombination(scene_id, coin_1, coin_2, coin_3, coin_4, coin_5, coin_6, coin_7, coin_8)\n" +
|
|
"VALUES($1,$2,$3,$4,$5,$6,$7,$8,$9)\n" +
|
|
"RETURNING id;",
|
|
[
|
|
self.finalResult.sceneId,
|
|
self.finalResult.coins[0],
|
|
self.finalResult.coins[1],
|
|
self.finalResult.coins[2],
|
|
self.finalResult.coins[3],
|
|
self.finalResult.coins[4],
|
|
self.finalResult.coins[5],
|
|
self.finalResult.coins[6],
|
|
self.finalResult.coins[7],
|
|
],
|
|
function(err, result) {
|
|
if (err !== null) {
|
|
Log.dberror(err + ' in ExpCreator fourth request (without suggested experiment');
|
|
}
|
|
self.finalResult.coinCombinationId = result.rows[0].id;
|
|
|
|
// And create the experiment
|
|
self.client.query(
|
|
"INSERT INTO Experiment(user_id, coin_combination_id, recommendation_style)\n" +
|
|
"VALUES($1,$2,$3)\n" +
|
|
"RETURNING id;",
|
|
[self.userId, self.finalResult.coinCombinationId, self.finalResult.recommendationStyle],
|
|
function(err, result) {
|
|
if (err !== null) {
|
|
Log.dberror(err + ' in ExpCreator fifth request (without suggested experiment');
|
|
}
|
|
self.finalResult.expId = result.rows[0].id;
|
|
self.finish();
|
|
}
|
|
);
|
|
}
|
|
);
|
|
}
|
|
);
|
|
} else {
|
|
self.finish();
|
|
}
|
|
}
|
|
);
|
|
}
|
|
}
|
|
);
|
|
};
|
|
|
|
/**
|
|
* Release the DB connection and call the callback
|
|
*/
|
|
DBReq.ExpCreator.prototype.finish = function() {
|
|
var self = this;
|
|
|
|
// Commit, and then release
|
|
this.client.query("COMMIT;", function() {
|
|
|
|
self.release();
|
|
self.client = null;
|
|
self.release = null;
|
|
|
|
self.finishAction(
|
|
self.finalResult.expId,
|
|
self.finalResult.coinCombinationId,
|
|
self.finalResult.sceneId,
|
|
self.finalResult.recommendationStyle,
|
|
self.finalResult.coins
|
|
);
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Class that creates an experiment
|
|
* @param id {Number} id of the user that does the experiment
|
|
* @param finishAction {function} callback that has as a parameter which is a
|
|
* boolean indicating wether the user id exists or not
|
|
* @memberof DBReq
|
|
* @constructor
|
|
*/
|
|
DBReq.UserIdChecker = function(id, finishAction) {
|
|
this.id = id;
|
|
this.finishAction = finishAction;
|
|
|
|
var self = this;
|
|
pg.connect(pgc.url, function(err, client, release) {
|
|
self.client = client;
|
|
self.release = release;
|
|
self.execute();
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Executes the SQL request and calls the callback
|
|
*/
|
|
DBReq.UserIdChecker.prototype.execute = function() {
|
|
var self = this;
|
|
this.client.query(
|
|
"SELECT count(id) > 0 AS answer FROM users WHERE id = $1;",
|
|
[self.id],
|
|
function(err, result) {
|
|
if (err !== null) {
|
|
Log.dberror(err + ' in UserIdChecker');
|
|
return;
|
|
}
|
|
self.finalResult = result.rows[0].answer;
|
|
self.finish();
|
|
}
|
|
);
|
|
};
|
|
|
|
/**
|
|
* Release the DB connection and call the callback
|
|
*/
|
|
DBReq.UserIdChecker.prototype.finish = function() {
|
|
this.release();
|
|
this.client = null;
|
|
this.release = null;
|
|
|
|
this.finishAction(this.finalResult);
|
|
};
|
|
|
|
DBReq.UserNameChecker = function(name, finishAction) {
|
|
this.name = name;
|
|
this.finishAction = finishAction;
|
|
var self = this;
|
|
pg.connect(pgc.url, function(err, client, release) {
|
|
if (err) {
|
|
Log.dberror(err + ' in UserNameChcker connection');
|
|
return;
|
|
}
|
|
self.client = client;
|
|
self.release = release;
|
|
self.execute();
|
|
});
|
|
};
|
|
|
|
DBReq.UserNameChecker.prototype.execute = function() {
|
|
var self = this;
|
|
this.client.query(
|
|
"SELECT count(id) > 0 AS answer FROM users WHERE worker_id = $1",
|
|
[self.name],
|
|
function(err, result) {
|
|
if (err !== null) {
|
|
Log.dberror(err + ' in UserNameChecker');
|
|
return;
|
|
}
|
|
self.finalResult = result.rows[0].answer;
|
|
self.finish();
|
|
}
|
|
);
|
|
|
|
};
|
|
|
|
DBReq.UserNameChecker.prototype.finish = function() {
|
|
this.release();
|
|
this.client = null;
|
|
this.release = null;
|
|
|
|
this.finishAction(this.finalResult);
|
|
};
|
|
|
|
/**
|
|
* Class that creates an experiment
|
|
* @param id {Number} id of the experiment to check
|
|
* @param finishAction {function} callback that has as a parameter which is the
|
|
* id of the scene if the experiment exists, or null otherwise
|
|
* @memberof DBReq
|
|
* @constructor
|
|
*/
|
|
DBReq.ExpIdChecker = function(id, finishAction) {
|
|
this.id = id;
|
|
this.finishAction = finishAction;
|
|
|
|
var self = this;
|
|
pg.connect(pgc.url, function(err, client, release) {
|
|
self.client = client;
|
|
self.release = release;
|
|
self.execute();
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Executes the SQL request and calls the callback
|
|
*/
|
|
DBReq.ExpIdChecker.prototype.execute = function() {
|
|
var self = this;
|
|
this.client.query(
|
|
"SELECT scene_id AS \"sceneId\" FROM experiment, CoinCombination WHERE CoinCombination.id = Experiment.coin_combination_id AND Experiment.id = $1;",
|
|
[self.id],
|
|
function(err, result) {
|
|
if (result === undefined || result.rows.length === 0) {
|
|
self.finalResult = null;
|
|
} else {
|
|
self.finalResult = result.rows[0].sceneId;
|
|
}
|
|
self.finish();
|
|
}
|
|
);
|
|
};
|
|
|
|
/**
|
|
* Release the DB connection and call the callback
|
|
*/
|
|
DBReq.ExpIdChecker.prototype.finish = function() {
|
|
this.release();
|
|
this.client = null;
|
|
this.release = null;
|
|
|
|
this.finishAction(this.finalResult);
|
|
};
|
|
|
|
/**
|
|
* Class that gets the info from all experiment
|
|
* @param finishAction {function} callback that has as a parameter which is an
|
|
* array of objects containing the id, the username, the name of the scene and
|
|
* the id of the user.
|
|
* @memberof DBReq
|
|
* @constructor
|
|
*/
|
|
DBReq.ExpGetter = function(finishAction) {
|
|
this.finishAction = finishAction;
|
|
|
|
var self = this;
|
|
pg.connect(pgc.url, function(err, client, release) {
|
|
self.client = client;
|
|
self.release = release;
|
|
self.execute();
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Executes the SQL request and calls the callback
|
|
*/
|
|
DBReq.ExpGetter.prototype.execute = function() {
|
|
var self = this;
|
|
this.client.query(
|
|
"SELECT " +
|
|
"experiment.id AS \"expId\", " +
|
|
"users.worker_id AS username, " +
|
|
"scene.name AS scenename, " +
|
|
"users.id AS \"userId\" " +
|
|
"FROM experiment, users, scene, CoinCombination " +
|
|
"WHERE experiment.user_id = users.id and scene.id = CoinCombination.scene_id AND " +
|
|
" Experiment.coin_combination_id = CoinCombination.id " +
|
|
"ORDER BY experiment.id;",
|
|
[],
|
|
function(err, result) {
|
|
self.finalResult = result.rows;
|
|
self.finish();
|
|
}
|
|
);
|
|
};
|
|
|
|
/**
|
|
* Release the DB connection and call the callback
|
|
*/
|
|
DBReq.ExpGetter.prototype.finish = function() {
|
|
this.release();
|
|
this.client = null;
|
|
this.release = null;
|
|
|
|
this.finishAction(this.finalResult);
|
|
};
|
|
|
|
DBReq.TutorialCreator = function(id, finishAction) {
|
|
this.id = id;
|
|
this.finishAction = finishAction;
|
|
this.finalResult = {};
|
|
|
|
var self = this;
|
|
pg.connect(pgc.url, function(err, client, release) {
|
|
self.client = client;
|
|
self.release = release;
|
|
self.execute();
|
|
});
|
|
};
|
|
|
|
DBReq.TutorialCreator.prototype.execute = function() {
|
|
var self = this;
|
|
this.client.query(
|
|
// Generate random coins
|
|
"SELECT Scene.id AS \"sceneId\", generate_series AS id\n" +
|
|
"FROM Scene, generate_series(0,Scene.coin_number-1)\n" +
|
|
"WHERE Scene.name = 'peachcastle'\n" +
|
|
"ORDER BY RANDOM()\n" +
|
|
"LIMIT 8;",
|
|
[],
|
|
function(err, result) {
|
|
self.finalResult.coins = [];
|
|
for (var i = 0; i < 8; i++) {
|
|
self.finalResult.coins.push(result.rows[i].id);
|
|
}
|
|
// Create CoinCombination
|
|
self.client.query(
|
|
"INSERT INTO CoinCombination(scene_id, coin_1, coin_2, coin_3, coin_4, coin_5, coin_6, coin_7, coin_8)\n" +
|
|
"VALUES($1,$2,$3,$4,$5,$6,$7,$8,$9)\n" +
|
|
"RETURNING id;",
|
|
[
|
|
result.rows[0].sceneId,
|
|
result.rows[0].id,
|
|
result.rows[1].id,
|
|
result.rows[2].id,
|
|
result.rows[3].id,
|
|
result.rows[4].id,
|
|
result.rows[5].id,
|
|
result.rows[6].id,
|
|
result.rows[7].id
|
|
],
|
|
function(err, result) {
|
|
// Create experiment
|
|
self.client.query(
|
|
"INSERT INTO Experiment(user_id, coin_combination_id)\n" +
|
|
"VALUES($1,$2)\n" +
|
|
"RETURNING id;",
|
|
[self.id, result.rows[0].id],
|
|
function(err, result) {
|
|
self.finalResult.expId = result.rows[0].id;
|
|
self.finish();
|
|
}
|
|
);
|
|
}
|
|
);
|
|
}
|
|
);
|
|
};
|
|
|
|
DBReq.TutorialCreator.prototype.finish = function() {
|
|
this.release();
|
|
this.release = null;
|
|
this.client = null;
|
|
|
|
this.finishAction(this.finalResult.expId, this.finalResult.coins);
|
|
};
|
|
|
|
/**
|
|
* Try to get a user by id, and creates it if it doesn't exists
|
|
* @param id {Number} id to test
|
|
* @param callback {function} callback to call on the id
|
|
* @memberof DBReq
|
|
*/
|
|
DBReq.tryUser = function(id, callback) {
|
|
if (id !== undefined && id !== null) {
|
|
new DBReq.UserIdChecker(id, function(clear) {
|
|
if (clear) {
|
|
callback(id);
|
|
} else {
|
|
new DBReq.UserCreator(callback);
|
|
}
|
|
});
|
|
} else {
|
|
new DBReq.UserCreator(callback);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Get all the info from an experiment
|
|
* @memberof DBReq
|
|
* @param id {Number} id of the experiment to get the info
|
|
* @param callback {function} callback called on the result of all the SQL requests
|
|
*/
|
|
DBReq.getInfo = function(id, callback) {
|
|
new DBReq.Info(id, callback);
|
|
};
|
|
|
|
/**
|
|
* Creates a user
|
|
* @memberof DBReq
|
|
* @param callback {function} callback called on the new user id
|
|
*/
|
|
DBReq.createUser = function(workerId, age, male, rating, lastTime, callback) {
|
|
new DBReq.UserCreator(workerId, age, male, rating, lastTime, callback);
|
|
};
|
|
|
|
/**
|
|
* Creates an experiment
|
|
* @memberof DBReq
|
|
* @param id {Number} id of the user doing the experiment
|
|
* @param sceneId {Number} id of the scene on which the experiment is
|
|
* @param callback {function} callback called on the new experiment id
|
|
*/
|
|
DBReq.createExp = function(id, callback) {
|
|
new DBReq.ExpCreator(id, callback);
|
|
};
|
|
|
|
DBReq.createTutorial = function(id, callback) {
|
|
new DBReq.TutorialCreator(id, callback);
|
|
};
|
|
|
|
/**
|
|
* Checks the user id
|
|
* @memberof DBReq
|
|
* @param id {Number} id to check
|
|
* @param callback {function} callback called on a boolean (true if the user id
|
|
* exists, false otherwise)
|
|
*/
|
|
DBReq.checkUserId = function(id, callback) {
|
|
new DBReq.UserIdChecker(id, callback);
|
|
};
|
|
|
|
DBReq.checkUserName = function(name, callback) {
|
|
new DBReq.UserNameChecker(name, callback);
|
|
};
|
|
|
|
/**
|
|
* Checks if an experiment id exists
|
|
* @memberof DBReq
|
|
* @param id {Number} id of the experiment to check
|
|
* @param callback {function} callback called on an object (null if the
|
|
* experiment doesn't exist, an object containing username, sceneId,
|
|
* scenename, and expId if it exists
|
|
*/
|
|
DBReq.checkExpId = function(id, callback) {
|
|
new DBReq.ExpIdChecker(id, callback);
|
|
};
|
|
|
|
/**
|
|
* Gets a list of all experiments
|
|
* @memberof DBReq
|
|
* @param callback {function} callback called on an array containing all experiments
|
|
*/
|
|
DBReq.getAllExps = function(callback) {
|
|
new DBReq.ExpGetter(callback);
|
|
};
|
|
|
|
module.exports = DBReq;
|