summaryrefslogtreecommitdiff
path: root/merchant-terminal/src/main/java/net/taler/merchantpos/refund/RefundFragment.kt
diff options
context:
space:
mode:
Diffstat (limited to 'merchant-terminal/src/main/java/net/taler/merchantpos/refund/RefundFragment.kt')
-rw-r--r--merchant-terminal/src/main/java/net/taler/merchantpos/refund/RefundFragment.kt108
1 files changed, 108 insertions, 0 deletions
diff --git a/merchant-terminal/src/main/java/net/taler/merchantpos/refund/RefundFragment.kt b/merchant-terminal/src/main/java/net/taler/merchantpos/refund/RefundFragment.kt
new file mode 100644
index 0000000..edb2758
--- /dev/null
+++ b/merchant-terminal/src/main/java/net/taler/merchantpos/refund/RefundFragment.kt
@@ -0,0 +1,108 @@
+/*
+ * 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.refund
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+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.refund.RefundFragmentDirections.Companion.actionRefundFragmentToRefundUriFragment
+import net.taler.merchantpos.refund.RefundResult.AlreadyRefunded
+import net.taler.merchantpos.refund.RefundResult.Error
+import net.taler.merchantpos.refund.RefundResult.PastDeadline
+import net.taler.merchantpos.refund.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) {
+ is Error -> onError(result.msg)
+ PastDeadline -> onError(getString(R.string.refund_error_deadline))
+ AlreadyRefunded -> onError(getString(R.string.refund_error_already_refunded))
+ is Success -> {
+ progressBar.fadeOut()
+ refundButton.fadeIn()
+ navigate(actionRefundFragmentToRefundUriFragment())
+ }
+ null -> { // no-op
+ }
+ }
+
+ private fun onError(msg: String) {
+ Snackbar.make(requireView(), msg, LENGTH_LONG).show()
+ progressBar.fadeOut()
+ refundButton.fadeIn()
+ }
+
+}