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/*
* This file is part of GNU Taler
* (C) 2020 Taler Systems S.A.
*
* GNU Taler is free software; you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation; either version 3, or (at your option) any later version.
*
* GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with
* GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
package net.taler.wallet.backend
import kotlinx.serialization.SerialName
import kotlinx.serialization.Serializable
import org.json.JSONObject
@Serializable
sealed class WalletResponse<T> {
@Serializable
@SerialName("response")
data class Success<T>(
val result: T
) : WalletResponse<T>()
@Serializable
@SerialName("error")
data class Error<T>(
val error: WalletErrorInfo
) : WalletResponse<T>()
fun onSuccess(block: (result: T) -> Unit): WalletResponse<T> {
if (this is Success) block(this.result)
return this
}
fun onError(block: (result: WalletErrorInfo) -> Unit): WalletResponse<T> {
if (this is Error) block(this.error)
return this
}
}
@Serializable
data class WalletErrorInfo(
// Numeric error code defined defined in the
// GANA gnu-taler-error-codes registry.
val talerErrorCode: Int,
// English description of the error code.
val talerErrorHint: String,
// English diagnostic message that can give details
// for the instance of the error.
val message: String,
// Error details, type depends
// on talerErrorCode
val details: String?
) {
val userFacingMsg: String
get() {
return StringBuilder().apply {
append(talerErrorCode)
append(" ")
append(message)
details?.let { it ->
val details = JSONObject(it)
details.optJSONObject("errorResponse")?.let { errorResponse ->
append("\n\n")
append(errorResponse.optString("code"))
append(" ")
append(errorResponse.optString("hint"))
}
}
}.toString()
}
}
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