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author | Torsten Grote <t@grobox.de> | 2020-08-11 15:24:25 -0300 |
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committer | Torsten Grote <t@grobox.de> | 2020-08-11 16:08:56 -0300 |
commit | d13be7c5c1be2492d38959a29e1b1c33df4938ff (patch) | |
tree | 3e4ae91e98c0388289779b3f8d972df196aa6a49 /wallet/src/main/java/net/taler/wallet/backend/WalletResponse.kt | |
parent | f0670e2f3936f0223c02e9ec0d0de52f31a3539f (diff) | |
download | taler-android-d13be7c5c1be2492d38959a29e1b1c33df4938ff.tar.gz taler-android-d13be7c5c1be2492d38959a29e1b1c33df4938ff.tar.bz2 taler-android-d13be7c5c1be2492d38959a29e1b1c33df4938ff.zip |
[wallet] start to move deserialization into the backend API
and off the UI thread for less sluggish, i.e. more responsive UI
Diffstat (limited to 'wallet/src/main/java/net/taler/wallet/backend/WalletResponse.kt')
-rw-r--r-- | wallet/src/main/java/net/taler/wallet/backend/WalletResponse.kt | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/wallet/src/main/java/net/taler/wallet/backend/WalletResponse.kt b/wallet/src/main/java/net/taler/wallet/backend/WalletResponse.kt new file mode 100644 index 0000000..05a53f3 --- /dev/null +++ b/wallet/src/main/java/net/taler/wallet/backend/WalletResponse.kt @@ -0,0 +1,82 @@ +/* + * 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() + } +} |