facebookLogin_IOS

facebookLogin.swift

//Make sure that u are using latest facebook sdk 2020
//pod 'FBSDKCoreKit'
//pod 'FBSDKLoginKit'


extension LoginVC {
	
	@IBAction func facebook(_ sender: Any) {
		 
		 self.loginWithReadPermissions()
		 
	 }
	
	func loginWithReadPermissions() {
        let loginManager = LoginManager()
        loginManager.logIn(
			permissions: [.publicProfile, .userFriends, .email],
            viewController: self
        ) { result in
            self.loginManagerDidComplete(result)
        }
    }
	
	
    func loginManagerDidComplete(_ result: LoginResult) {
       
        switch result {
        case .cancelled:
			//optional alert
			let title = "Login Cancelled"
			let message = "User cancelled login."
			AlertController.present(title: title, message)

        case .failed(let error):
			//optional alert
			let title = "Login Fail"
			let message = "Login failed with error \(error)"
			AlertController.present(title: title, message)
           
		case .success(_ , _, let token):
			//call function to fetch facebook profile
			self.fetchFacebookUserProfile(accessToken: token)
           
        }
      
    }
	
	
	private func fetchFacebookUserProfile(accessToken:  AccessToken ) {
        guard  let currentAccessToken = AccessToken.current else {
            return AlertController.present("Access token not found")
        }
        let facebookAPIManager = FacebookAPIManager(accessToken:currentAccessToken)
            facebookAPIManager.requestFacebookUser(completion: { (facebookUser) in
                
                let params: [String: Any] = [
                    
                    "first_name":facebookUser.firstName ?? "",
                    "last_name":facebookUser.lastName ?? "",
                    "email":facebookUser.email ?? "",
                    "profile_image":facebookUser.profilePicture ?? "",
                    "lat":"0.0",
                    "long":"0.0",
                    "fcm_token":"1111",
                    "time_zone":TimeZone.current.identifier,
                    "login_type":"Facebook",
                    "social_token":facebookUser.id!,
                    "interested_service": 2
                    
                    
                ]
                // call web api to login
                self.requestToLogin(params: params)
        })
        
    }

   //call this method in logout button action -> LoginVC.logOutFacebook()
    static func logOutFacebook() {
        let loginManager = LoginManager()
        loginManager.logOut()
    }
	
}