diff --git a/back/src/album/album.controller.ts b/back/src/album/album.controller.ts
index f5b15f7..067d77d 100644
--- a/back/src/album/album.controller.ts
+++ b/back/src/album/album.controller.ts
@@ -6,26 +6,26 @@ import {
 	DefaultValuePipe,
 	Delete,
 	Get,
-	InternalServerErrorException,
 	NotFoundException,
 	Param,
 	ParseIntPipe,
 	Post,
 	Query,
 	Req,
-	StreamableFile,
 } from '@nestjs/common';
 import { Plage } from 'src/models/plage';
 import { CreateAlbumDto } from './dto/create-album.dto';
 import { AlbumService } from './album.service';
 import { Request } from 'express';
 import { Prisma, Album } from '@prisma/client';
-import { createReadStream } from 'fs';
 import { ApiTags } from '@nestjs/swagger';
+import { FilterQuery } from 'src/utils/filter.pipe';
 
 @Controller('album')
 @ApiTags('album')
 export class AlbumController {
+	static filterableFields: string[] = ['+id', 'name', '+artistId'];
+
 	constructor(private readonly albumService: AlbumService) {}
 
 	@Post()
@@ -52,24 +52,17 @@ export class AlbumController {
 	@Get()
 	async findAll(
 		@Req() req: Request,
-		@Query() filter: Prisma.AlbumWhereInput,
+		@FilterQuery(AlbumController.filterableFields)
+		where: Prisma.AlbumWhereInput,
 		@Query('skip', new DefaultValuePipe(0), ParseIntPipe) skip: number,
 		@Query('take', new DefaultValuePipe(20), ParseIntPipe) take: number,
 	): Promise<Plage<Album>> {
-		try {
-			const ret = await this.albumService.albums({
-				skip,
-				take,
-				where: {
-					...filter,
-					id: filter.id ? +filter.id : undefined,
-				},
-			});
-			return new Plage(ret, req);
-		} catch (e) {
-			console.log(e);
-			throw new BadRequestException(null, e?.toString());
-		}
+		const ret = await this.albumService.albums({
+			skip,
+			take,
+			where,
+		});
+		return new Plage(ret, req);
 	}
 
 	@Get(':id')
diff --git a/back/src/artist/artist.controller.ts b/back/src/artist/artist.controller.ts
index 8077a9a..b1fde0d 100644
--- a/back/src/artist/artist.controller.ts
+++ b/back/src/artist/artist.controller.ts
@@ -22,11 +22,14 @@ import { ArtistService } from './artist.service';
 import { Prisma, Artist } from '@prisma/client';
 import { ApiTags } from '@nestjs/swagger';
 import { createReadStream, existsSync } from 'fs';
+import { FilterQuery } from 'src/utils/filter.pipe';
 
 @Controller('artist')
 @ApiTags('artist')
 export class ArtistController {
-	constructor(private readonly service: ArtistService) { }
+	static filterableFields = ['+id', 'name'];
+
+	constructor(private readonly service: ArtistService) {}
 
 	@Post()
 	async create(@Body() dto: CreateArtistDto) {
@@ -61,24 +64,17 @@ export class ArtistController {
 	@Get()
 	async findAll(
 		@Req() req: Request,
-		@Query() filter: Prisma.SongWhereInput,
+		@FilterQuery(ArtistController.filterableFields)
+		where: Prisma.ArtistWhereInput,
 		@Query('skip', new DefaultValuePipe(0), ParseIntPipe) skip: number,
 		@Query('take', new DefaultValuePipe(20), ParseIntPipe) take: number,
 	): Promise<Plage<Artist>> {
-		try {
-			const ret = await this.service.list({
-				skip,
-				take,
-				where: {
-					...filter,
-					id: filter.id ? +filter.id : undefined,
-				},
-			});
-			return new Plage(ret, req);
-		} catch (e) {
-			console.log(e);
-			throw new BadRequestException(null, e?.toString());
-		}
+		const ret = await this.service.list({
+			skip,
+			take,
+			where,
+		});
+		return new Plage(ret, req);
 	}
 
 	@Get(':id')
diff --git a/back/src/auth/auth.controller.ts b/back/src/auth/auth.controller.ts
index 833ac97..db904d8 100644
--- a/back/src/auth/auth.controller.ts
+++ b/back/src/auth/auth.controller.ts
@@ -22,7 +22,6 @@ import {
 	ApiBearerAuth,
 	ApiBody,
 	ApiOkResponse,
-	ApiParam,
 	ApiTags,
 	ApiUnauthorizedResponse,
 } from '@nestjs/swagger';
@@ -48,7 +47,8 @@ export class AuthController {
 		try {
 			const user = await this.usersService.createUser(registerDto)
 			await this.settingsService.createUserSetting(user.id);
-		} catch {
+		} catch(e) {
+			console.error(e);
 			throw new BadRequestException();
 		}
 	}
diff --git a/back/src/genre/genre.controller.ts b/back/src/genre/genre.controller.ts
index c2d8288..6632e08 100644
--- a/back/src/genre/genre.controller.ts
+++ b/back/src/genre/genre.controller.ts
@@ -1,5 +1,4 @@
 import {
-	BadRequestException,
 	Body,
 	ConflictException,
 	Controller,
@@ -22,11 +21,14 @@ import { GenreService } from './genre.service';
 import { Prisma, Genre } from '@prisma/client';
 import { ApiTags } from '@nestjs/swagger';
 import { createReadStream, existsSync } from 'fs';
+import { FilterQuery } from 'src/utils/filter.pipe';
 
 @Controller('genre')
 @ApiTags('genre')
 export class GenreController {
-	constructor(private readonly service: GenreService) { }
+	static filterableFields: string[] = ['+id', 'name'];
+
+	constructor(private readonly service: GenreService) {}
 
 	@Post()
 	async create(@Body() dto: CreateGenreDto) {
@@ -61,24 +63,17 @@ export class GenreController {
 	@Get()
 	async findAll(
 		@Req() req: Request,
-		@Query() filter: Prisma.SongWhereInput,
+		@FilterQuery(GenreController.filterableFields)
+		where: Prisma.GenreWhereInput,
 		@Query('skip', new DefaultValuePipe(0), ParseIntPipe) skip: number,
 		@Query('take', new DefaultValuePipe(20), ParseIntPipe) take: number,
 	): Promise<Plage<Genre>> {
-		try {
-			const ret = await this.service.list({
-				skip,
-				take,
-				where: {
-					...filter,
-					id: filter.id ? +filter.id : undefined,
-				},
-			});
-			return new Plage(ret, req);
-		} catch (e) {
-			console.log(e);
-			throw new BadRequestException(null, e?.toString());
-		}
+		const ret = await this.service.list({
+			skip,
+			take,
+			where,
+		});
+		return new Plage(ret, req);
 	}
 
 	@Get(':id')
diff --git a/back/src/lesson/lesson.controller.ts b/back/src/lesson/lesson.controller.ts
index 1b54bff..3104eb8 100644
--- a/back/src/lesson/lesson.controller.ts
+++ b/back/src/lesson/lesson.controller.ts
@@ -1,7 +1,6 @@
 import {
 	Controller,
 	Get,
-	Res,
 	Query,
 	Req,
 	Request,
@@ -18,6 +17,7 @@ import { Plage } from 'src/models/plage';
 import { LessonService } from './lesson.service';
 import { ApiOperation, ApiProperty, ApiTags } from '@nestjs/swagger';
 import { Prisma, Skill } from '@prisma/client';
+import { FilterQuery } from 'src/utils/filter.pipe';
 
 export class Lesson {
 	@ApiProperty()
@@ -35,6 +35,13 @@ export class Lesson {
 @ApiTags('lessons')
 @Controller('lesson')
 export class LessonController {
+	static filterableFields: string[] = [
+		'+id',
+		'name',
+		'+requiredLevel',
+		'mainSkill',
+	];
+
 	constructor(private lessonService: LessonService) {}
 
 	@ApiOperation({
@@ -43,26 +50,17 @@ export class LessonController {
 	@Get()
 	async getAll(
 		@Req() request: Request,
-		@Query() filter: Prisma.LessonWhereInput,
+		@FilterQuery(LessonController.filterableFields)
+		where: Prisma.LessonWhereInput,
 		@Query('skip', new DefaultValuePipe(0), ParseIntPipe) skip: number,
 		@Query('take', new DefaultValuePipe(20), ParseIntPipe) take: number,
 	): Promise<Plage<Lesson>> {
-		try {
-			const ret = await this.lessonService.getAll({
-				skip,
-				take,
-				where: {
-					...filter,
-					requiredLevel: filter.requiredLevel
-						? +filter.requiredLevel
-						: undefined,
-				},
-			});
-			return new Plage(ret, request);
-		} catch (e) {
-			console.log(e);
-			throw new BadRequestException(null, e?.toString());
-		}
+		const ret = await this.lessonService.getAll({
+			skip,
+			take,
+			where,
+		});
+		return new Plage(ret, request);
 	}
 
 	@ApiOperation({