[libeufin] branch master updated: Sandbox bank account API.

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ms pushed a commit to branch master
in repository libeufin.

The following commit(s) were added to refs/heads/master by this push:
     new 575613d  Sandbox bank account API.
575613d is described below

commit 575613d4d9f4c63a07ed22f245944f5b34214a8b
Author: ms <ms@taler.net>
AuthorDate: Sat Aug 7 17:07:57 2021 +0200

    Sandbox bank account API.
    
    Adding endpoints to create bank accounts (no EBICS)
    and asking their balances.
---
 .../src/main/kotlin/tech/libeufin/sandbox/Main.kt  | 38 ++++++++++++++++++++--
 .../kotlin/tech/libeufin/sandbox/bankAccount.kt    | 20 ++++++++++--
 2 files changed, 53 insertions(+), 5 deletions(-)

diff --git a/sandbox/src/main/kotlin/tech/libeufin/sandbox/Main.kt 
b/sandbox/src/main/kotlin/tech/libeufin/sandbox/Main.kt
index 9201fa3..5ce553d 100644
--- a/sandbox/src/main/kotlin/tech/libeufin/sandbox/Main.kt
+++ b/sandbox/src/main/kotlin/tech/libeufin/sandbox/Main.kt
@@ -198,7 +198,8 @@ data class BankAccountInfo(
     val label: String,
     val name: String,
     val iban: String,
-    val bic: String
+    val bic: String,
+    val currency: String?
 )
 
 data class BankAccountsListReponse(
@@ -449,6 +450,38 @@ fun serverMain(dbName: String, port: Int) {
                 return@post
             }
 
+            post("/admin/bank-accounts/{label}") {
+                val body = call.receiveJson<BankAccountInfo>()
+                transaction {
+                    BankAccountEntity.new {
+                        iban = body.iban
+                        bic = body.bic
+                        name = body.name
+                        label = body.label
+                        currency = body.currency ?: "EUR"
+                    }
+                }
+                call.respond(object {})
+                return@post
+            }
+
+            get("/admin/bank-accounts/{label}") {
+                val label = ensureNonNull(call.parameters["label"])
+                val ret = transaction {
+                    val account = getAccountFromLabel(label)
+                    val balance = balanceForAccount(account.iban)
+                    object {
+                        val balance = "${account.currency}:${balance}"
+                        val iban = account.iban
+                        val bic = account.bic
+                        val name = account.name
+                        val label = account.label
+                    }
+                }
+                call.respond(ret)
+                return@get
+            }
+
             post("/admin/bank-accounts/{label}/simulate-incoming-transaction") 
{
                 val body = call.receiveJson<IncomingPaymentInfo>()
                 // FIXME: generate nicer UUID!
@@ -543,7 +576,8 @@ fun serverMain(dbName: String, port: Int) {
                                 label = it.label,
                                 name = it.name,
                                 bic = it.bic,
-                                iban = it.iban
+                                iban = it.iban,
+                                currency = it.currency
                             )
                         )
                     }
diff --git a/sandbox/src/main/kotlin/tech/libeufin/sandbox/bankAccount.kt 
b/sandbox/src/main/kotlin/tech/libeufin/sandbox/bankAccount.kt
index 0d81230..aac8246 100644
--- a/sandbox/src/main/kotlin/tech/libeufin/sandbox/bankAccount.kt
+++ b/sandbox/src/main/kotlin/tech/libeufin/sandbox/bankAccount.kt
@@ -1,5 +1,6 @@
 package tech.libeufin.sandbox
 
+import io.ktor.http.*
 import org.jetbrains.exposed.sql.or
 import org.jetbrains.exposed.sql.select
 import org.jetbrains.exposed.sql.transactions.transaction
@@ -10,12 +11,25 @@ import tech.libeufin.util.RawPayment
 import tech.libeufin.util.importDateFromMillis
 import tech.libeufin.util.parseDecimal
 import tech.libeufin.util.toDashedDate
+import java.math.BigDecimal
 
 private val logger: Logger = LoggerFactory.getLogger("tech.libeufin.sandbox")
 
-fun balanceForAccount(iban: String): java.math.BigDecimal {
+fun getAccountFromLabel(accountLabel: String): BankAccountEntity {
+    return transaction {
+        val account = BankAccountEntity.find {
+            BankAccountsTable.label eq accountLabel
+        }.firstOrNull()
+        if (account == null) throw SandboxError(
+            HttpStatusCode.NotFound, "Account '$accountLabel' not found"
+        )
+        account
+    }
+}
+
+fun balanceForAccount(iban: String): BigDecimal {
     logger.debug("Calculating balance for account: ${iban}")
-    var balance = java.math.BigDecimal.ZERO
+    var balance = BigDecimal.ZERO
     transaction {
         BankAccountTransactionsTable.select {
             BankAccountTransactionsTable.creditorIban eq iban
@@ -35,7 +49,7 @@ fun balanceForAccount(iban: String): java.math.BigDecimal {
      * the current CAMT generator happy.  Negative amounts need to have their
      * onw sub-tree in the report, see bug: #6962
      */
-    if (balance < java.math.BigDecimal.ZERO) return java.math.BigDecimal.ZERO
+    if (balance < BigDecimal.ZERO) return BigDecimal.ZERO
     return balance
 }
 

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