51 lines
1.8 KiB
Kotlin
51 lines
1.8 KiB
Kotlin
/*
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* Copyright (c) 2021 Proton Technologies AG
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* This file is part of Proton Technologies AG and ProtonCore.
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*
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* ProtonCore is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* ProtonCore is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with ProtonCore. If not, see <https://www.gnu.org/licenses/>.
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*/
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package me.proton.core.network.domain.handlers
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import kotlinx.coroutines.sync.Mutex
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import kotlinx.coroutines.sync.withLock
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import me.proton.core.network.domain.ApiBackend
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import me.proton.core.network.domain.ApiErrorHandler
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import me.proton.core.network.domain.ApiManager
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import me.proton.core.network.domain.ApiResult
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import me.proton.core.network.domain.serverconnection.ApiConnectionListener
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class ApiConnectionHandler<Api>(
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private val apiConnectionListener: ApiConnectionListener?
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) : ApiErrorHandler<Api> {
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override suspend fun <T> invoke(
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backend: ApiBackend<Api>,
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error: ApiResult.Error,
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call: ApiManager.Call<Api, T>
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): ApiResult<T> {
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if (!error.isPotentialBlocking) return error
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if (error !is ApiResult.Error.Connection) return error
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return apiConnectionListener?.let { listener ->
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globalMutex.withLock {
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listener.onPotentiallyBlocked(error.path, error.query) { backend(call) }
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}
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} ?: error
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}
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companion object {
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private val globalMutex: Mutex = Mutex()
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}
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}
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