FACEBOOK INTEGRATION WITH SALESFORCE APEX LANGUAGE

FACE BOOK INTEGRATION WITH SALESFORCE USING APEX for websites

TO INTEGRATE WITH ANY  OUTHER PALTFORM FIRST WE HAVE TO REGISTER APPLICATION SO I AM  REGISTERIN G MY APPLICATION CHINNI123IN FACEBOOK 

NOTE

TO DO THIS AND IN YOUR SALESFORCE ACCOUNT GO TO ADMINSETUP- SECURITY CONTROLS -REMOTESITESETTINGS-GIVE THE  URLS HTTPS://WWW.FACEBOOK.COM

AND HTTPS://GRAPH.FACEBOOK.COM

GO TOhttps://developers.facebook.com/docs/guides/web/

CLICK  ON APPS AND 

THEN CLICK ON NEW APP THEN IT WILL ASK USERID PASSWARD GIVE

THEN

CLICK ON CREATE NEW APP 

 GIVE APP NAME 

AND APPNAMESPACE YOURWISE

THEN  CONTINUE

IN THAT GIVE DOMAIN NAME OF REDIRECT URL HERE MY DOMAIN IS

https://chinnichinni-dev-ed.my.salesforce.com

INTHE

Select how your app integrates with Facebook SECTION

CLICK

Website with Facebook Login GIVE THE SITE URL MEANS YOUR REDIRECT URL

MINE HERE IS

https://chinnichinni-dev-ed.my.salesforce.com/apex/sts1

THEN YOU WILL GET APPID AND APP SECRET

USE THESE 2 IN YOUR PROGRAM

NOW THE CODE WILL START

FIRST WE HAVE TO AUTHENTICATE WITH FACEBOOK FOR THIS

USE THE URL

https://www.facebook.com/dialog/oauth

AND THE PARAMETERS

clint_id=application id or appid

redirect_uri=is  siteurl

state= any random string 

scope= optional but very important while working with full accessof facebook

https://www.facebook.com/dialog/oauth

?client_id=407057492687428&redirect_uri=https://chinnichinni-dev-ed.my.salesforce.com/apex/sts1&scope=user_about_me,read_mailbox,read_insights,user_photos,friends_photos,publish_stream,read_friendlists,read_insights,read_requests,read_stream,xmpp_login,ads_management,create_event,manage_friendlists,manage_notifications,&state=SOME555555

copy the that url in browser address box

then the page will ask permistion CLICK ALLOW 

THEN THE PAGE REDIRECT TO YOUR SALESFORCE PAGE

https://chinnichinni-dev-ed.my.salesforce.com/apex/sts1 WITH STATE PARAMETER 

AND CODE 

USE THE CODE

WITH

HttpRequest req=new HttpRequest();

    req.setMethod('GET');

//here client_id=appid and client_secrete=app secrete

//redirect_uri=site url

req.setEndpoint('https://graph.facebook.com/oauth/access_token?client_id=407057492687428&redirect_uri=https://chinnichinni-dev-ed.my.salesforce.com/apex/sts1&client_secret=0f1ccafdf93d8649567e529fe032451f&code=AQComasE6aDcb4j9_AiQghe-MgWNx7RWKxCPkB9kKmRn17Q_ac9jrU0WABl4zOQhQHnZx63c8J07jr44ic2DYn5tEmHaI_TEvcH5_qdaSGEGtGxIjtTNbCM4uy_9ub2FGB_Pr8x3T1T0WhG97i-OGdKX50PBc0usg38WQkCXp_QxaMHemotIINz6L_yUxWmcvck#_=_');

HttpResponse res = null;

      http h= new Http();

    res= h.send(req);

    

    system.debug( 'haiiiiiiiiiiiiiiiii'+res.getbody());

YOU WILL GET ACCESS TOKEN with expire time

o/p

access_token=AAAFyN3VBOkQBAOmwFSgd3yEptS4ZAq0JRT9ihjfcZCsgiPEwjyGxheaZAobVYsYDE7gWXLMJfBYWmlTmZAgqGFPONSEvnOvp0g6EosA84gZDZD&expires=5183856

use the access token to retrive data

HttpRequest req=new HttpRequest();
    req.setMethod('GET');

req.setEndpoint('https://graph.facebook.com/me?access_token=AAAFyN3VBOkQBAOmwFSgd3yEptS4ZAq0JRT9ihjfcZCsgiPEwjyGxheaZAobVYsYDE7gWXLMJfBYWmlTmZAgqGFPONSEvnOvp0g6EosA84gZDZD');

HttpResponse res = null;

      http h= new Http();

    res= h.send(req);

    

    system.debug( 'haiiiiiiiiiiiiiiiii'+res.getbody());

YOU WILL GET YOUR FACEBOOK DETAILS

to know your friends details

req.setEndpoint('https://graph.facebook.com/me/friends?access_token=AAAFyN3VBOkQBAOmwFSgd3yEptS4ZAq0JRT9ihjfcZCsgiPEwjyGxheaZAobVYsYDE7gWXLMJfBYWmlTmZAgqGFPONSEvnOvp0g6EosA84gZDZD');

HttpResponse res = null;

      http h= new Http();

    res= h.send(req);

    

    system.debug( 'haiiiiiiiiiiiiiiiii'+res.getbody());

to see albums use endpoint urls

https://graph.facebook.com/albums

to see specefied albums's photo

https://graph.facebook.com/albumid/photos

tosee posts

https://graph.facebook.com/me/feed

NEXT THE ABOVE ALL ARE A RETRIVE DATA FROM FACEBOOK 

TO

INSERT USE HTTP METHOD AS POST

HERE IT IS INSERTING PHOTO INTO MY FACEBOOK ALBUM USEING APEX CODE

HttpRequest req=new HttpRequest();

    req.setMethod('POST);

string sss='URL=http://www.vahrehvah.com/indianfood/wp-content/uploads/2010/11/JawaharlalNehru.jpg';

req.setbody(sss);

req.setheader('Content-type', 'application/x-www-form-urlencoded');

req.setHeader('Content-length',string.valueof(sss.length()) );

//albumid=281080795256517

    req.setEndpoint('https://graph.facebook.com/281080795256517/photos?access_token=AAAFyN3VBOkQBAOmwFSgd3yEptS4ZAq0JRT9ihjfcZCsgiPEwjyGxheaZAobVYsYDE7gWXLMJfBYWmlTmZAgqGFPONSEvnOvp0g6EosA84gZDZD');

HttpResponse res = null;

      http h= new Http();

    res= h.send(req);    

    system.debug( 'haiiiiiiiiiiiiiiiii'+res.getbody());

TO COMMeNT ON PHOTO

HttpRequest req=new HttpRequest();

    req.setMethod('POST);

string sss='message=hai ra mama';

req.setbody(sss);

req.setheader('Content-type', 'application/x-www-form-urlencoded');

req.setHeader('Content-length',string.valueof(sss.length()) );

    req.setEndpoint('https://graph.facebook.com/453946937969901/comments?access_token=AAAFyN3VBOkQBAOmwFSgd3yEptS4ZAq0JRT9ihjfcZCsgiPEwjyGxheaZAobVYsYDE7gWXLMJfBYWmlTmZAgqGFPONSEvnOvp0g6EosA84gZDZD');

HttpResponse res = null;

      http h= new Http();

    res= h.send(req);    

    system.debug( 'haiiiiiiiiiiiiiiiii'+res.getbody());

To DELETE A PHOTO

USE THE HTTPMETHOD DELETE

  HttpRequest req=new HttpRequest();

    req.setMethod('delete');

req.setEndpoint('https://graph.facebook.com/ALBUMID/PHOTOID?access_token=AAAFyN3VBOkQBAOmwFSgd3yEptS4ZAq0JRT9ihjfcZCsgiPEwjyGxheaZAobVYsYDE7gWXLMJfBYWmlTmZAgqGFPONSEvnOvp0g6EosA84gZDZD');

HttpResponse res = null;

      http h= new Http();

    res= h.send(req);    

    system.debug( 'haiiiiiiiiiiiiiiiii'+res.getbody());

WE CAN POST FROM APEX CODE

ENDPOINT URL IS

https://graph.facebook.com/me/feed