SALESFORCE INTEGRATION WITH FACEBOOK

STEP 1 : Login To (https://developers.facebook.com/)

STEP 2 : Give your face book credentials and login

STEP 3 : Go to APP Tab (add new app)

STEP 4 : Select website and give APP Name (Click on create new Facebook App id)

STEP 4 : Under Category Section select (Apps for pages) and click (Create app id)

STEP 5 : Under (Tell us about your website) Section Site Url = Give your Visual force page url 

(https://c.ap1.visual.force.com/apex/facebookPage) and click (Next)

Note: Before going to this process create a visual force page with page name (facebookPage) and controller (FaceBookController)

VF: 

<apex:page controller="FaceBookController">
<apex:form >
<apex:commandButton value="ClickMe" action="{!fbAction}"/>
</apex:form>
</apex:page>


Controller:

public with sharing class FaceBookController {

public PageReference fbAction() {

HttpRequest req=new HttpRequest();

req.setMethod('GET');

req.setEndpoint('https://graph.facebook.com/oauth/access_token? client_id=0000000000000000

&redirect_uri=https://c.ap1.visual.force.com/apex/facebookPage

&client_secret=xxxxxxxxxxxxxxxxxxxxxxxxxxxxx

&code=oxoxoxoxoxoxoxoxoxoxoxoxoxo');

HttpResponse res = new HttpResponse();

http h = new Http();

res = h.send(req);

system.debug( 'Aceestoken-------'+res.getbody());

return null;

}

}


STEP 6 : Click on Finish

STEP 7 : Copy the (App Id) and (App Secret)

 

STEP 8 : Authenticate URL


https://www.facebook.com/dialog/oauth?client_id=9118292440232323219134043&redirect_uri=https://c.ap2.visual.force.com/apex/facebookPage&scope=public_profile,user_friends,email,user_about_me,user_actions.news,user_actions.video,user_birthday,user_events,user_hometown,user_likes,user_location,user_photos,user_posts,ads_management,ads_read,publish_pages,user_website,user_videos,user_tagged_places&state=hari

In the above url replace

1. client_id : with your Facebook App Id (EX: 1573492886214474)

2. redirect_uri : With your VF page url (EX: https://c.ap1.visual.force.com/apex/facebookPage )

3. state : Any string (EX: abcsdefg..)

Copy the above Authenticate URl

Open a new tab in browser paste it and click enter

It will redirect to visual force page

STEP 9 : Copy the redirect page URL and Paste in note pad

EX:

https://c.ap1.visual.force.com/apex/facebookPage?code=AQCAmhJfKJ5zSa8pYhI11qNz9L7nLEcVHz6YjiS2VUQfUJbvoIylB8DfI1M7Blwjx0jdVluatTgB_cslPf1m4mLN_PQ6ZMkcHNHpTKkiZxctic6dil_4KYpXgZv91L9cSV4t2KH7a3ZXYr3bJ2zf8U_wWEJ1_kRcdwozF7Y22ET6gH70VlnR87qaEjEEWltraO6MyEbcw7e9ChBQNLHsfJCN579lFXNmqwlhCzSmdQHCQxRWxRUNSdvMi9_jy5CGzD0hOo9MaplIbg0StUx-goGANIBz5sM0cXcyeLhc4ArU-bDL8R18zRB_O0yAmvULEq0vgBcvkG8tXOMU34SISffu&state=ShaikImran#_=_

STEP 10 : Open your controller (FaceBookController)

Replace: 

req.setEndpoint('https://graph.facebook.com/oauth/access_token? client_id=0000000000000000
&redirect_uri=https://c.ap1.visual.force.com/apex/facebookPage
&client_secret=xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
&code=oxoxoxoxoxoxoxoxoxoxoxoxoxo');

1. client_id : Your facebook App Id

2. redirect_uri : Your visual force page url

3. client_secret : Your App Secret

4 . code : Follow step 9 and copy code which is highlighted


STEP 11 : Save it and click the button (Click me)

STEP 12 : Open the debug log and copy the acesstoken

STEP 13 : Open developer console (or) work bench

HttpRequest req=new HttpRequest();
req.setMethod('GET');
req.setEndpoint('https://graph.facebook.com/me/feed?
access_token= CAAWXFVyKF0oBAAT6
jw3zU66dZBX3e6W0zZCL07ppLyYJrSRnTb2aMP7eYAPQdtUGpp2sT
PvuX4N4Q9xlx5H2qDwSHCoDhtlTp5Y3aHvGHgZBFYqRWiaOxVQuEFTwlha574l5
8f6KPULGiSORARMPtlQCcgQGjOVd1IValQJNtvZBFf3ew9SLFbPNFVZ
Aj7B9ZCkrCGTxfXCU7xmt1plZCaE');
HttpResponse res = null;
http h= new Http();
res= h.send(req);
system.debug('resp----------'+ res.getbody());

Copy the above code and paste in your developer console or workbench

Replace security token with your security token

Executive 

Open the debug log find the resp data

NOTE :



1. The security token is time limit , ones it is expired follow the below STEPS


STEP 1: Go to STEP 8 copy the URL

Replace State = new String (EX: ddhjdhjasdhja) 

STEP 2: Follow the STEP 9 , 10 , 11, 12 , 13

2. List of End point URL

To see albums use endpoint urls
https://graph.facebook.com/albums
To see specefied albums's photo
https://graph.facebook.com/albumid/photos
To see posts
https://graph.facebook.com/me/feed

3. To insert photo in to facebook using apex code

HttpRequest req=new HttpRequest();
req.setMethod('POST);
string url ='URL=http://www.visiblebanking.com/wp-content/uploads/
2012/04/Progressive- Flo-FacebookPage-Long-Processed.png';
req.setbody(url);
req.setheader('Content-type', 'application/x-www-form-urlencoded');
req.setHeader('Content-length',string.valueof(url.length()) );
//albumid=000000000000000000
req.setEndpoint('https://graph.facebook.com/000000000000000/photos? access_token=hfsdfhshdfjksdf mdfbsjkf');
HttpResponse res = null;
http h= new Http();
res= h.send(req);

system.debug( 'Resp--------------'+res.getbody());


4 . To comment on photo 

HttpRequest req=new HttpRequest();
req.setMethod('POST);
string comment ='message=hai ra mama';
req.setbody(comment);
req.setheader('Content-type', 'application/x-www-form-urlencoded');
req.setHeader('Content-length',string.valueof(sss.length()) );
req.setEndpoint('https://graph.facebook.com/0000000000000/comments?

access_token=hfsdfhshdfjksdf mdfbsjkf');
HttpResponse res = null;
http h= new Http();
res= h.send(req);

system.debug( 'REsp----------------------'+res.getbody());

THAT'S IT FOLKS