[pos] migrate order posting and checking to v1 API and merchant-lib

1 files changed, 83 insertions, 0 deletions

diff --git a/merchant-lib/src/main/java/net/taler/merchantlib/PostOrderRequest.kt b/merchant-lib/src/main/java/net/taler/merchantlib/PostOrderRequest.kt
new file mode 100644
index 0000000..a6e74d6
--- /dev/null
+++ b/merchant-lib/src/main/java/net/taler/merchantlib/PostOrderRequest.kt
@@ -0,0 +1,83 @@
+/*
+ * 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.merchantlib
+
+import kotlinx.serialization.Decoder
+import kotlinx.serialization.Encoder
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.Serializer
+import kotlinx.serialization.json.JsonInput
+import kotlinx.serialization.json.JsonObject
+import net.taler.common.ContractTerms
+
+@Serializable
+data class PostOrderRequest(
+    @SerialName("order")
+    val contractTerms: ContractTerms
+
+)
+
+@Serializable
+data class PostOrderResponse(
+    @SerialName("order_id")
+    val orderId: String
+)
+
+@Serializable
+sealed class CheckPaymentResponse {
+    abstract val paid: Boolean
+
+    @Serializer(forClass = CheckPaymentResponse::class)
+    companion object : KSerializer<CheckPaymentResponse> {
+        override fun deserialize(decoder: Decoder): CheckPaymentResponse {
+            val input = decoder as JsonInput
+            val tree = input.decodeJson() as JsonObject
+            val paid = tree.getPrimitive("paid").boolean
+//            return if (paid) decoder.json.fromJson(Paid.serializer(), tree)
+//            else decoder.json.fromJson(Unpaid.serializer(), tree)
+            // manual parsing due to https://github.com/Kotlin/kotlinx.serialization/issues/576
+            return if (paid) Paid(
+                refunded = tree.getPrimitive("refunded").boolean
+            ) else Unpaid(
+                talerPayUri = tree.getPrimitive("taler_pay_uri").content
+            )
+        }
+
+        override fun serialize(encoder: Encoder, value: CheckPaymentResponse) = when (value) {
+            is Unpaid -> Unpaid.serializer().serialize(encoder, value)
+            is Paid -> Paid.serializer().serialize(encoder, value)
+        }
+    }
+
+    @Serializable
+    data class Unpaid(
+        override val paid: Boolean = false,
+        @SerialName("taler_pay_uri")
+        val talerPayUri: String,
+        @SerialName("already_paid_order_id")
+        val alreadyPaidOrderId: String? = null
+    ) : CheckPaymentResponse()
+
+    @Serializable
+    data class Paid(
+        override val paid: Boolean = true,
+        val refunded: Boolean
+    ) : CheckPaymentResponse()
+
+}