using Javascript from the client is a problem because you will make it possible 
for some malicious agent to see your access key by examining your client code. 
Although PIO support SSL it does not have an authentication mechanism so a 
malicious agent could use this access key to screw up your data.

It is only safe to have PredictionIO accessed from a trusted application 
server, not a client. So though there may be android (Java), iOS, and 
Javascript SDKs please be aware of the security implications of connecting from 
mobile devices or browsers.



On Apr 10, 2017, at 5:43 AM, Mohamed Zouga <[email protected]> wrote:

This code seems as a good start indeed, is this somewhere on GitHub ? so i 
could put some additional stuff or even some modifications !

2017-04-10 14:32 GMT+02:00 Gustavo Frederico <[email protected] 
<mailto:[email protected]>>:
You can use this as a starting point.

Gustavo


var _recommendationInner = {
    baseAjaxPromise: function (theData, url) {
        return new Promise(function (resolve, reject) {
            $.ajax({
                type: 'POST',
                url: url,
                data: JSON.stringify(theData),
                contentType: 'text/plain',
                xhrFields: {
                    withCredentials: false
                },
                dataType: "json",
                success: function(data) {
                    resolve(data);
                },
                failure: function(errorMsg) {
                    console.error('Error ' + errorMsg);
                    reject();
                }
            })
                .done(function(data) {
                    resolve(data);
                })
                .fail(function(jqXHR, textStatus) {
                    console.error("error : " + textStatus);
                    console.error("error status text: " + jqXHR.statusText);
                    console.error("error status: " + jqXHR.status);
                    reject();
                });
        });
    }

};

var Recommendations = new function() {

    this.set = function(accessKey, eventsUrl, queriesUrl) {
        Recommendations.eventsUrl = eventsUrl + '/events.json?accessKey=' + 
accessKey;
        Recommendations.queriesUrl = queriesUrl + '/queries.json?accessKey=' + 
accessKey;
    };

    /** Events **/
    var viewProductPromise = function(user,product) {
        var data = {
            "event": 'view',
            "entityType": "user",
            "entityId": user,
            "targetEntityType": "item",
            "targetEntityId": product,
            "eventTime" : new Date().toISOString()
        };
        return _recommendationInner.baseAjaxPromise(data, 
Recommendations.eventsUrl);
    };

    var purchaseProductPromise = function (user,product) {
        var data = {
            "event": "purchase",
            "entityType": "user",
            "entityId": user,
            "targetEntityType": "item",
            "targetEntityId": product,
            "eventTime" : new Date().toISOString()
        };
        return _recommendationInner.baseAjaxPromise(data, 
Recommendations.eventsUrl);
    };

    /** Queries **/
    var getGeneralRecommendationsPromise = function (number) {
        var data = {
            "num" : number
        };
        return _recommendationInner.baseAjaxPromise(data, 
Recommendations.queriesUrl);
    };

    var getRecommendationsForUserPromise = function (user) {
        var data = {
            "user" : user
        };
        return _recommendationInner.baseAjaxPromise(data, 
Recommendations.queriesUrl);
    };

    var getRecommendationsPromise = function (user,contextProduct,category) {
        var fields = [];

        if (category) {
            fields.push({
                "name": "category",
                "values": [category],
                "bias": -1
            });
        }

        var data = {
            "user" : user,
            "item" :  contextProduct,
            "fields" : fields
        };
        return _recommendationInner.baseAjaxPromise(data, 
Recommendations.queriesUrl);
    };


    /** Events **/
    this.purchase = function (user,product,quantity,amount) {
        return purchaseProductPromise(user,product,quantity,amount)
            .then(nil => { return nil; })
            .catch(error => { throw error; });
    };

    this.viewProduct = function (user,product, isStrong = false) {
        return viewProductPromise(user, product, isStrong);
    };

    /** Queries **/
    this.getGeneralRecommendations = function (number) {
        return getGeneralRecommendationsPromise(number);
    };

    this.getRecommendationsForUser = function (user) {
        return getRecommendationsForUserPromise(user);
    };

    this.getRecommendations = function (user,contextProduct,category) {
        return getRecommendationsPromise(user,contextProduct,category);
    };

};


On Mon, Apr 10, 2017 at 8:31 AM, Vaghawan Ojha <[email protected] 
<mailto:[email protected]>> wrote:
Hi, 

Ok, in  that case I am currently not aware of any js SDK like you wanted. 
Someone else may help. 

Thanks

On Mon, Apr 10, 2017 at 6:14 PM, Mohamed Zouga <[email protected] 
<mailto:[email protected]>> wrote:
@vaghawan : i don't want to go posting my accessKey allover my requests and 
writing verbose code when all i might use is a function with one parameter or 
so.
@ Marius : Why have 3 dependencies (3 more files, supposing those files don't 
have additional dependencies...) when i can use just Ajax to send my events and 
requests 
so any JS SDK out there ? 

2017-04-10 14:23 GMT+02:00 Marius Rabenarivo <[email protected] 
<mailto:[email protected]>>:
Hello,

The NodeJS SDK has the following dependencies :

lodash
request
bluebird

You can download them if you want.

Regards,

Marius

2017-04-10 16:18 GMT+04:00 Mohamed Zouga <[email protected] 
<mailto:[email protected]>>:
I'am using PredictionIO in a web site, and i want to send the event using 
Javascript (instead of PHP) is there any know SDK JS for PredictionIO (lastest) 
? 
i found some outdated ones in Github, i didn't want to rush into coding one 
from scratch until i'am sure there is no existing ones, thank you  
P.S : I know there is a NodeJS SDK, i don't have npm and i don't want any 
dependencies.
-- 

Mohamed ZOUGA
Stagiaire Data Scientist, Wizaplace
[email protected] <mailto:[email protected]> | http://www.wizaplace.com 
<http://www.wizaplace.com/>
 <https://www.linkedin.com/in/zouga-mohamed-44b02974/> 




-- 

Mohamed ZOUGA
Stagiaire Data Scientist, Wizaplace
[email protected] <mailto:[email protected]> | http://www.wizaplace.com 
<http://www.wizaplace.com/>
 <https://www.linkedin.com/in/zouga-mohamed-44b02974/> 



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[email protected] <mailto:[email protected]> | http://www.wizaplace.com 
<http://www.wizaplace.com/>
 <https://www.linkedin.com/in/zouga-mohamed-44b02974/> 

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