Json validation

src/faction/faction.dto.ts

@@ -4,6 +4,9 @@ import {
   Validate,
   IsString,
   IsNotEmpty,
+  IsNumber,
+  Min,
+  Max,
 } from 'class-validator';
 
 import { GameEntity } from '../game/game.entity';
@@ -14,9 +17,15 @@ import { FactionEntity, GameGroupEntity } from './faction.entity';
 export class FactionDTO {
   @IsString()
   @IsNotEmpty()
-  @Length(2, 15)
+  @Length(2, 31)
   factionName: string;
+  @IsString()
+  @IsNotEmpty()
+  @Length(3, 15)
   factionPassword: string;
+  @IsNumber()
+  @Min(1)
+  @Max(3)
   multiplier?: number;
   game: GameDTO;
 }