Cleaned up a load of relations and optional stuff

ref #11

src/models/entities/Scan.ts

@@ -1,11 +1,11 @@
-import { PrimaryGeneratedColumn, Column, ManyToOne, Entity, TableInheritance } from "typeorm";
 import {
   IsBoolean,
   IsInt,
   IsNotEmpty,
-  IsOptional,
-  IsPositive,
+
+  IsPositive
 } from "class-validator";
+import { Column, Entity, ManyToOne, PrimaryGeneratedColumn, TableInheritance } from "typeorm";
 import { Runner } from "./Runner";
 
 /**
@@ -18,7 +18,6 @@ export abstract class Scan {
    * Autogenerated unique id (primary key).
    */
   @PrimaryGeneratedColumn()
-  @IsOptional()
   @IsInt()
   id: number;
 
@@ -26,7 +25,7 @@ export abstract class Scan {
    * The associated runner.
    */
   @IsNotEmpty()
-  @ManyToOne(() => Runner, runner => runner.scans, { nullable: true })
+  @ManyToOne(() => Runner, runner => runner.scans, { nullable: false })
   runner: Runner;
 
   /**
@@ -43,12 +42,4 @@ export abstract class Scan {
   @Column()
   @IsBoolean()
   valid: boolean = true;
-
-  /**
-   * seconds since last scan
-   */
-  @IsInt()
-  @IsOptional()
-  secondsSinceLastScan: number;
-
-}
+}