CometChat Authentication

SignupActivity.kt

fun createAndLoginCometUser(uid: String, name: String, isDoctor: Boolean) {
        var cometUser = User()
        cometUser.uid = uid
        cometUser.name = name

        var meta = JSONObject()
        meta.put("isDoctor", isDoctor)
        cometUser.metadata = meta

        CometChat.createUser(cometUser, getString(R.string.auth_key), object : CometChat.CallbackListener<User>() {
            override fun onSuccess(u: User?) {
                Log.d("createUser", u.toString());

                CometChat.login(cometUser.uid, getString(R.string.auth_key), object : CometChat.CallbackListener<User>() {
                    override fun onSuccess(u: User?) {

                        if (u?.metadata?.has("isDoctor") == true && u.metadata?.getBoolean("isDoctor") == true) {
                            val i = Intent(applicationContext, DoctorMainActivity::class.java)
                            i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
                            i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK)
                            i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
                            startActivity(i)
                            finish()
                        }
                        else {
                            val i = Intent(applicationContext, MainActivity::class.java)
                            i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)
                            i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TASK)
                            i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
                            startActivity(i)
                            finish()
                        }

                    }

                    override fun onError(ex: CometChatException?) {
                        Snackbar.make(bi.root, ex?.localizedMessage ?: "Couldn't login CometChat user", Snackbar.LENGTH_SHORT).show()
                    }
                })
            }

            override fun onError(ex: CometChatException?) {
                Snackbar.make(bi.root, ex?.localizedMessage ?: "Couldn't create CometChat user", Snackbar.LENGTH_SHORT).show()
            }
        })
    }