[BAEL-1753] added ToDo application controllers

kotlin-ktor/build.gradle

@@ -5,7 +5,7 @@ version '1.0-SNAPSHOT'
 
 
 buildscript {
-    ext.kotlin_version = '1.2.40'
+    ext.kotlin_version = '1.2.41'
     ext.ktor_version = '0.9.2'
 
     repositories {

kotlin-ktor/src/main/kotlin/APIServer.kt

@@ -1,26 +1,26 @@
 @file:JvmName("APIServer")
 
 
-
 import io.ktor.application.call
 import io.ktor.application.install
 import io.ktor.features.CallLogging
 import io.ktor.features.ContentNegotiation
 import io.ktor.features.DefaultHeaders
 import io.ktor.gson.gson
-import io.ktor.http.ContentType
 import io.ktor.request.path
+import io.ktor.request.receive
 import io.ktor.response.respond
-import io.ktor.response.respondText
-import io.ktor.routing.get
-import io.ktor.routing.routing
+import io.ktor.routing.*
 import io.ktor.server.engine.embeddedServer
 import io.ktor.server.netty.Netty
 import org.slf4j.event.Level
 
 data class Author(val name: String, val website: String)
+data class ToDo(var id: Int, val name: String, val description: String, val completed: Boolean)
+
 fun main(args: Array<String>) {
 
+    val toDoList = ArrayList<ToDo>();
     val jsonResponse = """{
             "id": 1,
             "task": "Pay waterbill",
@@ -42,15 +42,31 @@ fun main(args: Array<String>) {
                 setPrettyPrinting()
             }
         }
-        routing {
-            get("/todo") {
-                call.respondText(jsonResponse, ContentType.Application.Json)
-            }
-            get("/author") {
-                val author = Author("baeldung", "baeldung.com")
-                call.respond(author)
+        routing() {
+            route("/todo") {
+                post {
+                    var toDo = call.receive<ToDo>();
+                    toDo.id = toDoList.size;
+                    toDoList.add(toDo);
+                    call.respond("Added")
 
+                }
+                delete("/{id}") {
+                    call.respond(toDoList.removeAt(call.parameters["id"]!!.toInt()));
+                }
+                get("/{id}") {
+
+                    call.respond(toDoList[call.parameters["id"]!!.toInt()]);
+                }
+                get {
+                    call.respond(toDoList);
+                }
             }
+        get("/author"){
+            call.respond(Author("Baeldung","baeldung.com"));
+
+        }
+
 
         }
     }.start(wait = true)