Add basic graphql implementation with manga and chapters loading with data loaders

server/src/main/kotlin/suwayomi/tachidesk/graphql/controller/GraphQLController.kt

@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) Contributors to the Suwayomi project
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+
+package suwayomi.tachidesk.graphql.controller
+
+import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
+import io.javalin.http.HttpCode
+import suwayomi.tachidesk.graphql.impl.getGraphQLServer
+import suwayomi.tachidesk.server.JavalinSetup.future
+import suwayomi.tachidesk.server.util.handler
+import suwayomi.tachidesk.server.util.withOperation
+
+object GraphQLController {
+    private val mapper = jacksonObjectMapper()
+    private val tachideskGraphQLServer = getGraphQLServer(mapper)
+
+    /** execute graphql query */
+    val execute = handler(
+        documentWith = {
+            withOperation {
+                summary("GraphQL endpoint")
+                description("Endpoint for GraphQL endpoints")
+            }
+        },
+
+        behaviorOf = { ctx ->
+            ctx.future(
+                future {
+                    tachideskGraphQLServer.execute(ctx)
+                }
+            )
+        },
+        withResults = {
+            json<Any>(HttpCode.OK)
+        }
+    )
+}