1 files changed, 160 insertions, 0 deletions
diff --git a/merchant-terminal/src/main/java/net/taler/merchantpos/history/MerchantHistoryFragment.kt b/merchant-terminal/src/main/java/net/taler/merchantpos/history/MerchantHistoryFragment.kt
new file mode 100644
index 0000000..0c53f71
--- /dev/null
+++ b/merchant-terminal/src/main/java/net/taler/merchantpos/history/MerchantHistoryFragment.kt
@@ -0,0 +1,160 @@
+/*
+ * 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.annotation.SuppressLint
+import android.os.Bundle
+import android.util.Log
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.ImageButton
+import android.widget.TextView
+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 androidx.recyclerview.widget.RecyclerView.Adapter
+import androidx.recyclerview.widget.RecyclerView.ViewHolder
+import com.google.android.material.snackbar.Snackbar
+import com.google.android.material.snackbar.Snackbar.LENGTH_SHORT
+import kotlinx.android.synthetic.main.fragment_merchant_history.*
+import net.taler.merchantpos.MainViewModel
+import net.taler.merchantpos.R
+import net.taler.merchantpos.exhaustive
+import net.taler.merchantpos.history.HistoryItemAdapter.HistoryItemViewHolder
+import net.taler.merchantpos.history.MerchantHistoryFragmentDirections.Companion.actionGlobalMerchantSettings
+import net.taler.merchantpos.history.MerchantHistoryFragmentDirections.Companion.actionNavHistoryToRefundFragment
+import net.taler.merchantpos.navigate
+import net.taler.merchantpos.toRelativeTime
+import java.util.*
+
+private interface RefundClickListener {
+    fun onRefundClicked(item: HistoryItem)
+}
+
+/**
+ * Fragment to display the merchant's payment history, received from the backend.
+ */
+class MerchantHistoryFragment : 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()
+                is HistoryResult.Success -> historyListAdapter.setData(result.items)
+            }.exhaustive
+        })
+    }
+
+    override fun onStart() {
+        super.onStart()
+        if (model.configManager.merchantConfig?.instance == null) {
+            navigate(actionGlobalMerchantSettings())
+        } else {
+            historyManager.fetchHistory()
+        }
+    }
+
+    private fun onError() {
+        Snackbar.make(view!!, R.string.error_network, LENGTH_SHORT).show()
+    }
+
+    override fun onRefundClicked(item: HistoryItem) {
+        refundManager.startRefund(item)
+        navigate(actionNavHistoryToRefundFragment())
+    }
+
+}
+
+private class HistoryItemAdapter(private val listener: RefundClickListener) :
+    Adapter<HistoryItemViewHolder>() {
+
+    private val items = ArrayList<HistoryItem>()
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): HistoryItemViewHolder {
+        val v =
+            LayoutInflater.from(parent.context).inflate(R.layout.list_item_history, parent, false)
+        return HistoryItemViewHolder(v)
+    }
+
+    override fun getItemCount() = items.size
+
+    override fun onBindViewHolder(holder: HistoryItemViewHolder, position: Int) {
+        holder.bind(items[position])
+    }
+
+    fun setData(items: List<HistoryItem>) {
+        this.items.clear()
+        this.items.addAll(items)
+        this.notifyDataSetChanged()
+    }
+
+    private inner class HistoryItemViewHolder(private val v: View) : ViewHolder(v) {
+
+        private val orderSummaryView: TextView = v.findViewById(R.id.orderSummaryView)
+        private val orderAmountView: TextView = v.findViewById(R.id.orderAmountView)
+        private val orderTimeView: TextView = v.findViewById(R.id.orderTimeView)
+        private val orderIdView: TextView = v.findViewById(R.id.orderIdView)
+        private val refundButton: ImageButton = v.findViewById(R.id.refundButton)
+
+        fun bind(item: HistoryItem) {
+            orderSummaryView.text = item.summary
+            val amount = item.amount
+            @SuppressLint("SetTextI18n")
+            orderAmountView.text = "${amount.amount} ${amount.currency}"
+            orderIdView.text = v.context.getString(R.string.history_ref_no, item.orderId)
+            orderTimeView.text = item.time.toRelativeTime(v.context)
+            refundButton.setOnClickListener { listener.onRefundClicked(item) }
+        }
+
+    }
+
+}