[pos] Implement new refund API (untested since there is no wallet support)

Also do a bit of code cleanup and minor refactorings

This also removes the volley HTTP library which is not needed anymore

1 files changed, 0 insertions, 109 deletions

diff --git a/merchant-terminal/src/main/java/net/taler/merchantpos/history/RefundFragment.kt b/merchant-terminal/src/main/java/net/taler/merchantpos/history/RefundFragment.kt
deleted file mode 100644
index 17d78f6..0000000
--- a/merchant-terminal/src/main/java/net/taler/merchantpos/history/RefundFragment.kt
+++ /dev/null
@@ -1,109 +0,0 @@
-/*
- * 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.merchantpos.history
-
-import android.os.Bundle
-import android.view.LayoutInflater
-import android.view.View
-import android.view.ViewGroup
-import androidx.annotation.StringRes
-import androidx.fragment.app.Fragment
-import androidx.fragment.app.activityViewModels
-import androidx.lifecycle.Observer
-import androidx.navigation.fragment.findNavController
-import com.google.android.material.snackbar.BaseTransientBottomBar.LENGTH_LONG
-import com.google.android.material.snackbar.Snackbar
-import kotlinx.android.synthetic.main.fragment_refund.*
-import net.taler.common.Amount
-import net.taler.common.AmountParserException
-import net.taler.common.fadeIn
-import net.taler.common.fadeOut
-import net.taler.common.navigate
-import net.taler.merchantlib.OrderHistoryEntry
-import net.taler.merchantpos.MainViewModel
-import net.taler.merchantpos.R
-import net.taler.merchantpos.history.RefundFragmentDirections.Companion.actionRefundFragmentToRefundUriFragment
-import net.taler.merchantpos.history.RefundResult.AlreadyRefunded
-import net.taler.merchantpos.history.RefundResult.Error
-import net.taler.merchantpos.history.RefundResult.PastDeadline
-import net.taler.merchantpos.history.RefundResult.Success
-
-class RefundFragment : Fragment() {
-
-    private val model: MainViewModel by activityViewModels()
-    private val refundManager by lazy { model.refundManager }
-
-    override fun onCreateView(
-        inflater: LayoutInflater, container: ViewGroup?,
-        savedInstanceState: Bundle?
-    ): View? {
-        return inflater.inflate(R.layout.fragment_refund, container, false)
-    }
-
-    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
-        val item = refundManager.toBeRefunded ?: throw IllegalStateException()
-        amountInputView.setText(item.amount.amountStr)
-        currencyView.text = item.amount.currency
-        abortButton.setOnClickListener { findNavController().navigateUp() }
-        refundButton.setOnClickListener { onRefundButtonClicked(item) }
-
-        refundManager.refundResult.observe(viewLifecycleOwner, Observer { result ->
-            onRefundResultChanged(result)
-        })
-    }
-
-    private fun onRefundButtonClicked(item: OrderHistoryEntry) {
-        val inputAmount = try {
-            Amount.fromString(item.amount.currency, amountInputView.text.toString())
-        } catch (e: AmountParserException) {
-            amountView.error = getString(R.string.refund_error_invalid_amount)
-            return
-        }
-        if (inputAmount > item.amount) {
-            amountView.error = getString(R.string.refund_error_max_amount, item.amount.amountStr)
-            return
-        }
-        if (inputAmount.isZero()) {
-            amountView.error = getString(R.string.refund_error_zero)
-            return
-        }
-        amountView.error = null
-        refundButton.fadeOut()
-        progressBar.fadeIn()
-        refundManager.refund(item, inputAmount, reasonInputView.text.toString())
-    }
-
-    private fun onRefundResultChanged(result: RefundResult?): Any = when (result) {
-        Error -> onError(R.string.refund_error_backend)
-        PastDeadline -> onError(R.string.refund_error_deadline)
-        AlreadyRefunded -> onError(R.string.refund_error_already_refunded)
-        is Success -> {
-            progressBar.fadeOut()
-            refundButton.fadeIn()
-            navigate(actionRefundFragmentToRefundUriFragment())
-        }
-        null -> { // no-op
-        }
-    }
-
-    private fun onError(@StringRes res: Int) {
-        Snackbar.make(requireView(), res, LENGTH_LONG).show()
-        progressBar.fadeOut()
-        refundButton.fadeIn()
-    }
-
-}