taler-android

Android apps for GNU Taler (wallet, PoS, cashier)
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MainViewModel.kt (2281B)

      1 /*
      2  * This file is part of GNU Taler
      3  * (C) 2020 Taler Systems S.A.
      4  *
      5  * GNU Taler is free software; you can redistribute it and/or modify it under the
      6  * terms of the GNU General Public License as published by the Free Software
      7  * Foundation; either version 3, or (at your option) any later version.
      8  *
      9  * GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
     10  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
     11  * A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
     12  *
     13  * You should have received a copy of the GNU General Public License along with
     14  * GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
     15  */
     16 
     17 package net.taler.merchantpos
     18 
     19 import android.app.Application
     20 import androidx.lifecycle.AndroidViewModel
     21 import androidx.lifecycle.viewModelScope
     22 import io.ktor.client.statement.*
     23 import io.ktor.http.HttpStatusCode
     24 import net.taler.common.getDefaultHttpClient
     25 import net.taler.merchantlib.MerchantApi
     26 import net.taler.merchantpos.config.ConfigManager
     27 import net.taler.merchantpos.history.HistoryManager
     28 import net.taler.merchantpos.order.OrderManager
     29 import net.taler.merchantpos.payment.PaymentManager
     30 import net.taler.merchantpos.refund.RefundManager
     31 
     32 class MainViewModel(app: Application) : AndroidViewModel(app) {
     33 
     34     private val httpClient = getDefaultHttpClient(followRedirect = true)
     35     private val api = MerchantApi(httpClient)
     36 
     37     val orderManager = OrderManager(app)
     38     val configManager = ConfigManager(app, viewModelScope, httpClient).apply {
     39         addConfigurationReceiver(orderManager)
     40     }
     41     val paymentManager = PaymentManager(app, configManager, viewModelScope, api)
     42     val historyManager = HistoryManager(configManager, viewModelScope, api)
     43     val refundManager = RefundManager(configManager, viewModelScope, api)
     44 
     45     init {
     46       httpClient.responsePipeline.intercept(HttpResponsePipeline.Transform) { (info, body) ->
     47         if (context.response.status == HttpStatusCode.Unauthorized && configManager.merchantConfig != null) {
     48           configManager.forgetPassword()
     49           configManager.notifySessionExpired()
     50         }
     51         proceedWith(subject)
     52       }
     53     }
     54 
     55     override fun onCleared() {
     56         httpClient.close()
     57     }
     58 
     59 }