From 35f7ed512ed7445362d6caee1bf60441f4ce979e Mon Sep 17 00:00:00 2001
From: Torsten Grote <t@grobox.de>
Date: Tue, 4 Aug 2020 09:46:38 -0300
Subject: [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
---
 .../taler/merchantpos/history/HistoryFragment.kt   | 108 +++++++++++++++++++++
 1 file changed, 108 insertions(+)
 create mode 100644 merchant-terminal/src/main/java/net/taler/merchantpos/history/HistoryFragment.kt

(limited to 'merchant-terminal/src/main/java/net/taler/merchantpos/history/HistoryFragment.kt')

diff --git a/merchant-terminal/src/main/java/net/taler/merchantpos/history/HistoryFragment.kt b/merchant-terminal/src/main/java/net/taler/merchantpos/history/HistoryFragment.kt
new file mode 100644
index 0000000..8cc435a
--- /dev/null
+++ b/merchant-terminal/src/main/java/net/taler/merchantpos/history/HistoryFragment.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.history
+
+import android.os.Bundle
+import android.util.Log
+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.recyclerview.widget.DividerItemDecoration
+import androidx.recyclerview.widget.DividerItemDecoration.VERTICAL
+import androidx.recyclerview.widget.LinearLayoutManager
+import com.google.android.material.snackbar.BaseTransientBottomBar.LENGTH_LONG
+import com.google.android.material.snackbar.Snackbar
+import kotlinx.android.synthetic.main.fragment_merchant_history.*
+import net.taler.common.exhaustive
+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.HistoryFragmentDirections.Companion.actionGlobalMerchantSettings
+import net.taler.merchantpos.history.HistoryFragmentDirections.Companion.actionNavHistoryToRefundFragment
+
+internal interface RefundClickListener {
+    fun onRefundClicked(item: OrderHistoryEntry)
+}
+
+/**
+ * Fragment to display the merchant's payment history, received from the backend.
+ */
+class HistoryFragment : Fragment(), RefundClickListener {
+
+    companion object {
+        const val TAG = "taler-merchant"
+    }
+
+    private val model: MainViewModel by activityViewModels()
+    private val historyManager by lazy { model.historyManager }
+    private val refundManager by lazy { model.refundManager }
+
+    private val historyListAdapter = HistoryItemAdapter(this)
+
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        return inflater.inflate(R.layout.fragment_merchant_history, container, false)
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        list_history.apply {
+            layoutManager = LinearLayoutManager(requireContext())
+            addItemDecoration(DividerItemDecoration(context, VERTICAL))
+            adapter = historyListAdapter
+        }
+
+        swipeRefresh.setOnRefreshListener {
+            Log.v(TAG, "refreshing!")
+            historyManager.fetchHistory()
+        }
+        historyManager.isLoading.observe(viewLifecycleOwner, Observer { loading ->
+            Log.v(TAG, "setting refreshing to $loading")
+            swipeRefresh.isRefreshing = loading
+        })
+        historyManager.items.observe(viewLifecycleOwner, Observer { result ->
+            when (result) {
+                is HistoryResult.Error -> onError(result.msg)
+                is HistoryResult.Success -> historyListAdapter.setData(result.items)
+            }.exhaustive
+        })
+    }
+
+    override fun onStart() {
+        super.onStart()
+        if (model.configManager.merchantConfig?.baseUrl == null) {
+            navigate(actionGlobalMerchantSettings())
+        } else {
+            historyManager.fetchHistory()
+        }
+    }
+
+    private fun onError(msg: String) {
+        Snackbar.make(requireView(), msg, LENGTH_LONG).show()
+    }
+
+    override fun onRefundClicked(item: OrderHistoryEntry) {
+        refundManager.startRefund(item)
+        navigate(actionNavHistoryToRefundFragment())
+    }
+
+}
-- 
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