Code + comment cleanup for the response models

ref #39

src/models/responses/ResponseParticipant.ts

@@ -1,18 +1,12 @@
-import {
-    IsInt,
-
-
-
-    IsString
-} from "class-validator";
+import { IsInt, IsString } from "class-validator";
 import { Participant } from '../entities/Participant';
 
 /**
- * Defines a participant response.
+ * Defines the participant response.
 */
 export abstract class ResponseParticipant {
     /**
-     * Autogenerated unique id (primary key).
+     * The participant's id.
      */
     @IsInt()
     id: number;
@@ -25,7 +19,6 @@ export abstract class ResponseParticipant {
 
     /**
      * The participant's middle name.
-     * Optional.
      */
     @IsString()
     middlename?: string;
@@ -38,18 +31,20 @@ export abstract class ResponseParticipant {
 
     /**
      * The participant's phone number.
-     * Optional.
      */
     @IsString()
     phone?: string;
 
     /**
      * The participant's e-mail address.
-     * Optional.
      */
     @IsString()
     email?: string;
 
+    /**
+     * Creates a ResponseParticipant object from a participant.
+     * @param participant The participant the response shall be build for.
+     */
     public constructor(participant: Participant) {
         this.id = participant.id;
         this.firstname = participant.firstname;