feat: update PageQueryDTO to use 'query' for filtering and add UserQuery DTO for user-specific queries

Author: tomast1337

shared/validation/common/dto/PageQuery.dto.ts

@@ -67,11 +67,12 @@ export class PageQueryDTO {
   @IsString()
   @IsOptional()
   @ApiProperty({
-    example: 'Bentroen',
-    description: 'Filters results uploaded by a specific user (by username).',
+    examples: ['Bentroen', 'Tomast1337', 'Slayer - Raining Blood'],
+    description:
+      'Filters results uploaded by a string matching the specified query.',
     required: false,
   })
-  user?: string;
+  query?: string;
 
   constructor(partial: Partial<PageQueryDTO>) {
     Object.assign(this, partial);

shared/validation/user/dto/UserQuery.dto.ts

@@ -0,0 +1,10 @@
+import { PartialType } from '@nestjs/mapped-types';
+import { IsBoolean, IsOptional } from 'class-validator';
+
+import { PageQueryDTO } from '@shared/validation/common/dto/PageQuery.dto';
+
+export class UserQuery extends PartialType(PageQueryDTO) {
+  @IsBoolean()
+  @IsOptional()
+  me?: boolean;
+}