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/*
This file is part of GNU Taler
(C) 2019 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
import android.annotation.SuppressLint
import android.os.Bundle
import android.util.Log
import androidx.fragment.app.Fragment
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.Button
import android.widget.TextView
import androidx.lifecycle.Observer
import androidx.lifecycle.ViewModelProviders
import androidx.navigation.findNavController
import com.google.android.material.snackbar.Snackbar
import me.zhanghai.android.materialprogressbar.MaterialProgressBar
/**
* Show a payment and ask the user to accept/decline.
*/
class PromptPayment : Fragment() {
lateinit var model: WalletViewModel
var fragmentView: View? = null
private fun triggerLoading() {
val loading = model.payStatus.value == null || (model.payStatus.value is PayStatus.Loading)
val progressBar = requireActivity().findViewById<MaterialProgressBar>(R.id.progress_bar)
if (loading) {
progressBar.visibility = View.VISIBLE
} else {
progressBar.visibility = View.INVISIBLE
}
}
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
model = activity?.run {
ViewModelProviders.of(this)[WalletViewModel::class.java]
} ?: throw Exception("Invalid Activity")
}
override fun onResume() {
super.onResume()
Log.v("taler-wallet", "called onResume on PromptPayment")
triggerLoading()
}
private fun fillOrderInfo(view: View, contractTerms: ContractTerms, totalFees: Amount?) {
val feesAmountView = view.findViewById<TextView>(R.id.order_fees_amount)
val amountView = view.findViewById<TextView>(R.id.order_amount)
val summaryView = view.findViewById<TextView>(R.id.order_summary)
summaryView.text = contractTerms.summary
val amount = contractTerms.amount
@SuppressLint("SetTextI18n")
amountView.text = "${amount.amount} ${amount.currency}"
val feesBox = view.findViewById<View>(R.id.order_fees_box)
if (totalFees != null) {
@SuppressLint("SetTextI18n")
feesAmountView.text = "${totalFees.amount} ${totalFees.currency}"
feesBox.visibility = View.VISIBLE
} else {
feesBox.visibility = View.INVISIBLE
}
}
private fun showPayStatus(view: View, payStatus: PayStatus) {
val promptPaymentDetails = view.findViewById<View>(R.id.prompt_payment_details)
val balanceInsufficientWarning = view.findViewById<View>(R.id.balance_insufficient_warning)
val confirmPaymentButton = view.findViewById<Button>(R.id.button_confirm_payment)
when (payStatus) {
is PayStatus.Prepared -> {
fillOrderInfo(view, payStatus.contractTerms, payStatus.totalFees)
promptPaymentDetails.visibility = View.VISIBLE
balanceInsufficientWarning.visibility = View.GONE
confirmPaymentButton.isEnabled = true
confirmPaymentButton.setOnClickListener {
model.confirmPay(payStatus.proposalId)
confirmPaymentButton.isEnabled = false
}
}
is PayStatus.InsufficientBalance -> {
fillOrderInfo(view, payStatus.contractTerms, null)
promptPaymentDetails.visibility = View.VISIBLE
balanceInsufficientWarning.visibility = View.VISIBLE
confirmPaymentButton.isEnabled = false
}
is PayStatus.Success -> {
model.payStatus.value = PayStatus.None()
activity!!.findNavController(R.id.nav_host_fragment).navigate(R.id.action_promptPayment_to_paymentSuccessful)
}
is PayStatus.AlreadyPaid -> {
activity!!.findNavController(R.id.nav_host_fragment).navigate(R.id.action_promptPayment_to_alreadyPaid)
model.payStatus.value = PayStatus.None()
}
is PayStatus.None -> {
// No payment active.
}
is PayStatus.Loading -> {
// Wait until loaded ...
}
else -> {
val bar = Snackbar.make(view , "Bug: Unexpected result", Snackbar.LENGTH_SHORT)
bar.show()
}
}
}
override fun onCreateView(
inflater: LayoutInflater, container: ViewGroup?,
savedInstanceState: Bundle?
): View? {
// Inflate the layout for this fragment
val view = inflater.inflate(R.layout.fragment_prompt_payment, container, false)
fragmentView = view
val promptPaymentDetails = view.findViewById<View>(R.id.prompt_payment_details)
// Set invisible until data is loaded.
promptPaymentDetails.visibility = View.INVISIBLE
val abortPaymentButton = view.findViewById<Button>(R.id.button_abort_payment)
abortPaymentButton.setOnClickListener {
model.payStatus.value = PayStatus.None()
requireActivity().findNavController(R.id.nav_host_fragment).navigateUp()
}
triggerLoading()
model.payStatus.observe(viewLifecycleOwner, Observer {
triggerLoading()
showPayStatus(view, it)
})
return view
}
}
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