How not to ask for publish permission everytime? - ios

Question

I did this in facebook
[self vSuspendAndHaltThisThreadTillUnsuspendedWhileDoing:^{
[[NSOperationQueue mainQueue] addOperationWithBlock:^{
[self.ACAstore requestAccessToAccountsWithType:self.ACAccounts options:[self dicPostOptions] completion:^(BOOL granted, NSError *error) {
self.bPermissionToAccessStoreGranted=granted;
[self vContinue];
}];
}];
}];
Basically I am asking for publish permission. What I want to do is to check whether such publish permission has been granted or not before asking again.
How to do so?

Answer 1

To check permissions available:
if(![postRequest.session.permissions containsObject:#"publish_actions"])

Answer 2

You can make an FBRequest with the open graph API with me/permissions. It will return you a response with a dictionary where the key are the permissions.
FBRequest *req = [FBRequest requestWithGraphPath:#"me/permissions" parameters:Nil HTTPMethod:#"GET"];
[req startWithCompletionHandler: ^(FBRequestConnection *connection,
NSDictionary* result,
NSError *error) {
BOOL canPublish = FALSE;
if (!error)
{
FBGraphObject *data = [result objectForKey:#"data"];
for(NSDictionary<FBGraphObject> *aKey in data)
{
canPublish = [[aKey objectForKey:#"publish_stream"] boolValue];
}
}
else
{
NSLog(#"%#", error);
}
NSLog(#"%#", canPublish ? #"I have publish perms" : #"I don't have publish perms");
}];

Answer 3

Try this -
First of all implement all the facebook sdk delegate methods in your app delegate.
- (IBAction)loginWithFacebookButtonTapped:(id)sender
{
IntubeAppDelegate *delegat = (IntubeAppDelegate*)[[UIApplication sharedApplication] delegate];
[delegat doLoginAndSwitch];
}
Now, in your appDelegate -
-(void) doLoginAndSwitch
{
[self openSessionWithAllowLoginUI:YES];
}
- (BOOL)openSessionWithAllowLoginUI:(BOOL)allowLoginUI
{
NSArray *permissions = [NSArray arrayWithObjects:#"email", nil];
return [FBSession openActiveSessionWithPublishPermissions:permissions
defaultAudience:FBSessionDefaultAudienceFriends
allowLoginUI:YES
completionHandler:^(FBSession *session, FBSessionState state, NSError *error) {
[self sessionStateChanged:session
state:state
error:error];
}];
}
-(BOOL)openSessionWithAllowPublishStreamPermission:(BOOL)allowLoginUI
{
NSArray *permissions = [NSArray arrayWithObjects:#"publish_actions",#"publish_stream", nil];
[[FBSession activeSession] requestNewPublishPermissions:permissions defaultAudience:FBSessionDefaultAudienceEveryone completionHandler:^(FBSession *session, NSError *error){
}];
return YES;
}
- (void)sessionStateChanged:(FBSession *)session
state:(FBSessionState)state
error:(NSError *)error
{
switch (state) {
case FBSessionStateOpen:
if(!error)
{
// NSLog(#"FBSessionStateOpen :- logged in");
[self openSessionWithAllowPublishStreamPermission:YES];
// Your code
}
}
}
I hope you would get what you desire now. :)