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@@ -1,7 +1,6 @@
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import requests
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import urllib
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import simplejson as json
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-import pdb
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##########################
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# FACEBOOK API CONSTANTS #
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@@ -9,6 +8,8 @@ import pdb
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AUTHORIZE_URL = 'https://graph.facebook.com/oauth/authorize'
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ACCESS_TOKEN_URL = 'https://graph.facebook.com/oauth/access_token'
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+API_URL = 'https://graph.facebook.com/v2.3/'
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+REQUEST_PERMISSIONS_URL = "https://www.facebook.com/dialog/oauth?"
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class FacebookOauthClient(object):
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'''
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@@ -16,6 +17,7 @@ class FacebookOauthClient(object):
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'''
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access_token = None
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+ permission_request_url = None
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def __init__(self, client_id, client_secret):
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'''
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@@ -83,4 +85,69 @@ class FacebookOauthClient(object):
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raise(Exception('Invalid response,response code: {c}'.format(c=response.status_code)))
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return response.json()
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+
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+
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+
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+
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+ def get_user_likes(self):
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+ '''
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+ Obtains a list of all the user likes. Require a special permission
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+ via Facebook.
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+
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+ Returns:
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+ content: dicionay
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+ -A dictionary containing user likes.
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+ '''
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+ #Check if permission exists or ask for it
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+ if not self.check_permissions('user_likes'):
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+ requestedPermissionUrl = self.request_permissions('user_likes')
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+
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+ #Get likes
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+ response = requests.get(API_URL + 'me/likes?access_token={at}'.format(at=self.access_token))
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+ return response.json()['data']
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+
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+
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+
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+ def check_permissions(self, perm):
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+ '''
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+ Checks if the app has the specified permission.
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+
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+ Parameters:
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+ perm: String
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+ - The desired permission (such as user_likes)
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+
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+ Returns:
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+ bool
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+ - True if the permission granted or false otherwise.
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+ '''
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+
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+ permDict = {'status': 'granted', 'permission':perm}
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+ response = requests.get(API_URL + 'me/permissions?access_token={at}'.format(at=self.access_token))
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+ if response.status_code != 200:
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+ raise(Exception('Invalid response,response code: {c}'.format(c=response.status_code)))
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+
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+ currentPermissions = response.json()['data']
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+ if permDict in currentPermissions:
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+ return True
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+ return False
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+
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+
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+ def request_permissions(self, perm):
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+ '''
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+ Requests a permission from the user.
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+
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+ Parameters:
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+ perm: String
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+ - The permission we would like to get.
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+
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+ Returns: String
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+ - The URL to redirect the user in order to get the permission.
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+ '''
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+ authSettings = {'client_id' : self.client_id,
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+ 'redirect_uri' : 'http://localhost:8000/hackathon/',
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+ 'auth_type' : 'rerequest',
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+ 'scope' : perm,
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+ 'access_token' : access_token}
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+ params = urllib.urlencode(authSettings)
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+ self.permission_request_url = REQUEST_PERMISSIONS_URL + '?' + params
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Liron Shimrony