diff options
Diffstat (limited to 'wallet/src/main/java/net/taler/wallet/exchanges/ExchangeManager.kt')
-rw-r--r-- | wallet/src/main/java/net/taler/wallet/exchanges/ExchangeManager.kt | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/wallet/src/main/java/net/taler/wallet/exchanges/ExchangeManager.kt b/wallet/src/main/java/net/taler/wallet/exchanges/ExchangeManager.kt new file mode 100644 index 0000000..fe8ac76 --- /dev/null +++ b/wallet/src/main/java/net/taler/wallet/exchanges/ExchangeManager.kt @@ -0,0 +1,65 @@ +/* + * 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.exchanges + +import android.util.Log +import androidx.lifecycle.LiveData +import androidx.lifecycle.MutableLiveData +import com.fasterxml.jackson.databind.ObjectMapper +import com.fasterxml.jackson.module.kotlin.readValue +import net.taler.wallet.TAG +import net.taler.wallet.backend.WalletBackendApi +import org.json.JSONObject + +class ExchangeManager( + private val walletBackendApi: WalletBackendApi, + private val mapper: ObjectMapper +) { + + private val mProgress = MutableLiveData<Boolean>() + val progress: LiveData<Boolean> = mProgress + + private val mExchanges = MutableLiveData<List<ExchangeItem>>() + val exchanges: LiveData<List<ExchangeItem>> get() = list() + + fun add(exchangeUrl: String) { + val args = JSONObject().apply { put("exchangeBaseUrl", exchangeUrl) } + walletBackendApi.sendRequest("addExchange", args) { isError, result -> + if (isError) { + Log.e(TAG, "add Error: $result") + } else { + Log.e(TAG, "add Success: $result") + } + } + } + + private fun list(): LiveData<List<ExchangeItem>> { + mProgress.value = true + walletBackendApi.sendRequest("listExchanges", JSONObject()) { isError, result -> + if (isError) { + throw AssertionError("Wallet core failed to return exchanges!") + } else { + val exchanges: List<ExchangeItem> = mapper.readValue(result.getString("exchanges")) + Log.e(TAG, "list Success: $exchanges") + mProgress.value = false + mExchanges.value = exchanges + } + } + return mExchanges + } + +} |