login demo

LoginUtils.kt

@Router(RouterImpl.LoginUtils)
class LoginUtils : Activity() {
    val LOGIN_CODE = 1024

    companion object {
        var mCallback: () -> Unit? = {}

        fun isLogin(context: Context, callback: () -> Unit) {
            val login = AccountUtil.getAccount().isLogin
            if (login) {
                callback.invoke()
            } else {
                mCallback = callback
                context.router(RouterImpl.LoginUtils)
            }
        }
    }

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        routerForResult(RouterImpl.LoginActivity, LOGIN_CODE)
    }

    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
        finish()
        if (resultCode == Activity.RESULT_OK) {
            val login = AccountUtil.getAccount().isLogin
            if (login) {
                mCallback.invoke()
            }
        }
        mCallback = {}
    }
}

fun Context.isLogin(): Boolean = AccountUtil.getAccount().isLogin

fun Context.checkLogin(callback: () -> Unit, check: Boolean = true) {
    if (check)
        LoginUtils.isLogin(this, callback)
    else
        callback.invoke()
}

fun Context.routerLogin(toPage: String, vararg pairs: Pair<*, *>) {
    checkLogin({ router(toPage, *pairs) })
}

fun Activity.routerForResultLogin(toPage: String, requestCode: Int, vararg pairs: Pair<*, *>) {
    checkLogin({ routerForResult(toPage, requestCode, *pairs) })
}

fun Fragment.routerLogin(toPage: String, vararg pairs: Pair<*, *>) {
    activity?.checkLogin({ router(toPage, *pairs) })
}

private fun getParamString(pairs: Array<out Pair<*, *>>): String {
    var param: String = ""
    pairs.forEach {
        param = param.plus("${it.first}=${it.second}&")
    }

    if (param.isNotBlank()) {
        param = "?${param.substring(0, param.length - 1)}"
    }
    return param
}