refactor: add plugin meta data interface

Closes #67

src/core/protocol/routes/plugin/PluginRegisterRequest.ts

@@ -29,40 +29,27 @@ import {
  *
  * @validatable
  */
-export type SCPluginRegisterRequest = AddPlugin | RemovePlugin;
-interface AddPlugin {
+export type SCPluginRegisterRequest = SCPluginAdd | SCPluginRemove;
+
+/**
+ * Plugin request for adding a plugin registration to the backend
+ */
+export interface SCPluginAdd {
   /**
    * The desired action, so whether the plugin should be added or removed
    */
   action: 'add';
 
   /**
-   * The address of the plugin
+   * Plugin information needed for its registration
    */
-  address: string;
-
-  /**
-   * The name of the plugin
-   * Just for debugging purposes, to more easily identify conflicts.
-   */
-  name: string;
-
-  /**
-   * How the requests of the plugin looks like, a JSON schema for validation
-   */
-  pluginRequestSchema: Schema;
-
-  /**
-   * How the responses of the plugin looks like, a JSON schema for validation
-   */
-  pluginResponseSchema: Schema;
-
-  /**
-   * The desired route, for example /feedback.
-   */
-  route: string;
+  plugin: SCPluginMetaData;
 }
-interface RemovePlugin {
+
+/**
+ * Plugin request for removing a plugin registration from the backend
+ */
+export interface SCPluginRemove {
   /**
    * The desired action, so whether the plugin should be added or removed
    */
@@ -74,6 +61,36 @@ interface RemovePlugin {
   route: string;
 }
 
+/**
+ * Plugin meta data - contains needed information for a plugin registration
+ */
+export interface SCPluginMetaData {
+  /**
+   * The address of the plugin, to which the backend routes the requests
+   */
+  address: string;
+
+  /**
+   * The name of the plugin (for debugging purposes, to more easily identify conflicts)
+   */
+  name: string;
+
+  /**
+   * How the requests of the plugin looks like, a JSON schema for validation
+   */
+  requestSchema: Schema;
+
+  /**
+   * How the responses of the plugin looks like, a JSON schema for validation
+   */
+  responseSchema: Schema;
+
+  /**
+   * The desired route, for example /feedback.
+   */
+  route: string;
+}
+
 /**
  * Route to register plugins
  */
@@ -85,7 +102,6 @@ export class SCPluginRegisterRoute extends SCAbstractRoute {
       SCMethodNotAllowedErrorResponse,
       SCParametersNotAcceptable,
       SCPluginAlreadyRegisteredErrorResponse,
-      SCPluginRouteAlreadyRegisteredErrorResponse,
       SCPluginRegisteringFailedErrorResponse,
       SCPluginRouteAlreadyRegisteredErrorResponse,
       SCRequestBodyTooLargeErrorResponse,