initial commit2

server/src/main/kotlin/commands/ShowCommand.kt

@@ -0,0 +1,20 @@
+package commands
+
+import collection.CollectionManager
+import kotlinx.serialization.Contextual
+import kotlinx.serialization.Serializable
+import models.HumanBeing
+import network.Response
+
+@Serializable
+class ShowCommand(@Contextual private val manager: CollectionManager) : Command {
+    override val name = "show"
+    override val description = "вывести все элементы коллекции"
+    override val type = CommandType.SIMPLE
+    override val args = listOf(CommandArgType.NONE)
+
+    override fun execute(args: List<String>, humanBeing: HumanBeing?, userId: String): Response {
+        if (manager.isEmpty()) return Response(true, "Коллекция пуста.")
+        return Response(true, manager.getAll().joinToString("\n") { it.toString() })
+    }
+}