improved openapi docs (added search filters)

src/movies.controller.ts

@@ -7,63 +7,75 @@ import {
     Param,
     Query,
 } from '@nestjs/common';
-import { EnrichedDataService } from './types';
-import { IsIn, IsInt, IsOptional, IsString, Length } from 'class-validator';
+import { ApiPropertyOptional } from '@nestjs/swagger';
 import { Type } from 'class-transformer';
+import { IsIn, IsInt, IsOptional, IsString, Length } from 'class-validator';
+import { EnrichedDataService } from './types';
 
 const ENTRY_TYPES = ['movie', 'series', 'episode'] as const;
 
 class SearchDto {
+    @ApiPropertyOptional()
     @IsString()
     @Length(1)
     @IsOptional()
     actors?: string;
 
+    @ApiPropertyOptional()
     @IsString()
     @Length(2, 2)
     @IsOptional()
     availableLanguages?: string;
 
+    @ApiPropertyOptional()
     @IsString()
     @Length(1)
     @IsOptional()
     directors?: string;
 
+    @ApiPropertyOptional()
     @IsString()
     @Length(1)
     @IsOptional()
     localTitle?: string;
 
+    @ApiPropertyOptional()
     @IsString()
     @Length(2, 2)
     @IsOptional()
     originalLanguage?: string;
 
+    @ApiPropertyOptional()
     @IsString()
     @Length(1)
     @IsOptional()
     productionCountries?: string;
 
+    @ApiPropertyOptional()
     @IsInt()
     @Type(() => Number)
     @IsOptional()
     productionYear?: number;
 
+    @ApiPropertyOptional()
     @IsString()
     @Length(1)
     @IsOptional()
     studios?: string;
 
+    @ApiPropertyOptional()
     @IsString()
     @Length(1)
     @IsOptional()
     title?: string;
 
+    @ApiPropertyOptional()
     @IsString()
     @IsIn(ENTRY_TYPES)
     @IsOptional()
     type?: (typeof ENTRY_TYPES)[number];
 
+    @ApiPropertyOptional()
     @IsString()
     @Length(1)
     @IsOptional()