feat: add recursive method for get value with path

camunda · Mar 14, 2023 · 9dc728b · 9dc728b
1 parent c1edeb4
commit 9dc728b
Showing 1 changed file with 13 additions and 1 deletion.
diff --git a/src/main/scala/org/camunda/feel/impl/builtin/ContextBuiltinFunctions.scala b/src/main/scala/org/camunda/feel/impl/builtin/ContextBuiltinFunctions.scala
@@ -50,10 +50,22 @@ object ContextBuiltinFunctions {
       case List(ValContext(context), ValList(_)) if context.variableProvider.keys.isEmpty => ValNull
       case List(ValContext(context), ValList(ValString(head)::Nil)) =>
         context.variableProvider.getVariable(head).getOrElse(ValNull)
-      case List(ValContext(context), ValList(ValString(head)::tail)) => ???
+      case List(ValContext(context), ValList(ValString(head)::tail)) if isListOfStrings(tail) =>
+        getValueRecursive(context, head, tail.asInstanceOf[List[ValString]].map(_.value))
       case List(ValContext(_), ValList(_)) => ValNull
     }
   )
+
+  @tailrec
+  private def getValueRecursive(context: Context, head: String, tail: List[String]): Val = {
+    val value = context.variableProvider.getVariable(head).asInstanceOf[Option[Val]].getOrElse(ValNull)
+    value match {
+      case _ if tail.isEmpty => value
+      case value:ValContext => getValueRecursive(value.context, tail.head, tail.tail)
+      case _ => ValNull
+    }
+  }
+
   private def contextPutFunction = builtinFunction(
     params = List("context", "key", "value"),
     invoke = {