# NetworkErrorsBll.kt

    /*
     * The MIT License
     *
     * Original work sponsored and donated by The Danish Health Data Authority (http://www.sundhedsdatastyrelsen.dk)
     *
     * Copyright (C) 2021 The Danish Health Data Authority (http://www.sundhedsdatastyrelsen.dk)
     *
     *
     * Permission is hereby granted, free of charge, to any person obtaining a copy of
     * this software and associated documentation files (the "Software"), to deal in
     * the Software without restriction, including without limitation the rights to
     * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
     * of the Software, and to permit persons to whom the Software is furnished to do
     * so, subject to the following conditions:
     *
     *
     * The above copyright notice and this permission notice shall be included in all
     * copies or substantial portions of the Software.
     *
     *
     * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
     * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
     * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     * SOFTWARE.
     */

    package dk.nsp.api.util

    import net.openid.appauth.AuthorizationException
    import retrofit2.HttpException

    @JvmInline
    value class ThrowableNetworkErrorsApi(val throwable: Throwable)

    inline val Throwable.networkErrorsApi: ThrowableNetworkErrorsApi
        get() = ThrowableNetworkErrorsApi(this)

    fun ThrowableNetworkErrorsApi.isHttpErrorWithCode(code: Int): Boolean {
        val asHttpException = throwable as? HttpException
        return asHttpException?.code() == code
    }

    fun ThrowableNetworkErrorsApi.isRefreshTokenExpired(): Boolean {
        return throwable is AuthorizationException &&
                throwable.isRefreshTokenExpired()
    }

    /**
     * Checks if an authorization exception was due to an expired refresh token.
     * @receiver AuthorizationException
     * @return Boolean true if refresh token is expired
     */
    fun AuthorizationException.isRefreshTokenExpired(): Boolean =
        errorDescription?.contains("refresh token expired", true) == true ||
                error?.contains("invalid_grant", true) == true