Implement refunds, plus helpers.

However, the function that calculates the
refund amount is still WIP as it only echoes
back the original amount.

1 files changed, 16 insertions, 0 deletions

diff --git a/nexus/src/main/kotlin/tech/libeufin/nexus/Helpers.kt b/nexus/src/main/kotlin/tech/libeufin/nexus/Helpers.kt
index 468e8f03..e39f521f 100644
--- a/nexus/src/main/kotlin/tech/libeufin/nexus/Helpers.kt
+++ b/nexus/src/main/kotlin/tech/libeufin/nexus/Helpers.kt
@@ -28,4 +28,20 @@ fun chunkString(input: String): String {
 
 fun expectId(param: String?): String {
     return param ?: throw NexusError(HttpStatusCode.BadRequest, "Bad ID given")
+}
+
+/* Needs a transaction{} block to be called */
+fun expectIdTransaction(param: String?): EbicsSubscriberEntity {
+    if (param == null) {
+        throw NexusError(HttpStatusCode.BadRequest, "Null Id given")
+    }
+    return EbicsSubscriberEntity.findById(param) ?: throw NexusError(HttpStatusCode.NotFound, "Subscriber: $param not found")
+}
+
+/* Needs a transaction{} block to be called */
+fun expectAcctidTransaction(param: String?): EbicsAccountInfoEntity {
+    if (param == null) {
+        throw NexusError(HttpStatusCode.BadRequest, "Null Acctid given")
+    }
+    return EbicsAccountInfoEntity.findById(param) ?: throw NexusError(HttpStatusCode.NotFound, "Account: $param not found")
 }
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