From a4796ec47d89a851b260b6fc195494547208a025 Mon Sep 17 00:00:00 2001
From: Torsten Grote <t@grobox.de>
Date: Wed, 18 Mar 2020 14:24:41 -0300
Subject: Merge all three apps into one repository

---
 .../net/taler/merchantpos/history/RefundManager.kt | 111 +++++++++++++++++++++
 1 file changed, 111 insertions(+)
 create mode 100644 merchant-terminal/src/main/java/net/taler/merchantpos/history/RefundManager.kt

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

diff --git a/merchant-terminal/src/main/java/net/taler/merchantpos/history/RefundManager.kt b/merchant-terminal/src/main/java/net/taler/merchantpos/history/RefundManager.kt
new file mode 100644
index 0000000..270b3b8
--- /dev/null
+++ b/merchant-terminal/src/main/java/net/taler/merchantpos/history/RefundManager.kt
@@ -0,0 +1,111 @@
+/*
+ * 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.util.Log
+import androidx.annotation.UiThread
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
+import com.android.volley.Request.Method.POST
+import com.android.volley.RequestQueue
+import com.android.volley.Response.ErrorListener
+import com.android.volley.Response.Listener
+import net.taler.merchantpos.config.ConfigManager
+import net.taler.merchantpos.config.MerchantRequest
+import org.json.JSONObject
+
+sealed class RefundResult {
+    object Error : RefundResult()
+    object PastDeadline : RefundResult()
+    class Success(
+        val refundUri: String,
+        val item: HistoryItem,
+        val amount: Double,
+        val reason: String
+    ) : RefundResult()
+}
+
+class RefundManager(
+    private val configManager: ConfigManager,
+    private val queue: RequestQueue
+) {
+
+    var toBeRefunded: HistoryItem? = null
+        private set
+
+    private val mRefundResult = MutableLiveData<RefundResult>()
+    internal val refundResult: LiveData<RefundResult> = mRefundResult
+
+    @UiThread
+    internal fun startRefund(item: HistoryItem) {
+        toBeRefunded = item
+        mRefundResult.value = null
+    }
+
+    @UiThread
+    internal fun refund(item: HistoryItem, amount: Double, reason: String) {
+        val merchantConfig = configManager.merchantConfig!!
+        val refundRequest = mapOf(
+            "order_id" to item.orderId,
+            "refund" to "${item.amount.currency}:$amount",
+            "reason" to reason
+        )
+        val body = JSONObject(refundRequest)
+        val req = MerchantRequest(POST, merchantConfig, "refund", null, body,
+            Listener { onRefundResponse(it, item, amount, reason) },
+            ErrorListener { onRefundError() }
+        )
+        queue.add(req)
+    }
+
+    @UiThread
+    private fun onRefundResponse(
+        json: JSONObject,
+        item: HistoryItem,
+        amount: Double,
+        reason: String
+    ) {
+        if (!json.has("contract_terms")) {
+            Log.e("TEST", "json: $json")
+            onRefundError()
+            return
+        }
+
+        val contractTerms = json.getJSONObject("contract_terms")
+        val refundDeadline = if (contractTerms.has("refund_deadline")) {
+            contractTerms.getJSONObject("refund_deadline").getLong("t_ms")
+        } else null
+        val autoRefund = contractTerms.has("auto_refund")
+        val refundUri = json.getString("taler_refund_uri")
+
+        Log.e("TEST", "refundDeadline: $refundDeadline")
+        if (refundDeadline != null) Log.e(
+            "TEST",
+            "refundDeadline passed: ${System.currentTimeMillis() > refundDeadline}"
+        )
+        Log.e("TEST", "autoRefund: $autoRefund")
+        Log.e("TEST", "refundUri: $refundUri")
+
+        mRefundResult.value = RefundResult.Success(refundUri, item, amount, reason)
+    }
+
+    @UiThread
+    private fun onRefundError() {
+        mRefundResult.value = RefundResult.Error
+    }
+
+}
-- 
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