refactor(server): asset stats (#3253)

* refactor(server): asset stats

* chore: open api

server/src/domain/asset/dto/asset-statistics.dto.ts

@@ -0,0 +1,37 @@
+import { AssetType } from '@app/infra/entities';
+import { ApiProperty } from '@nestjs/swagger';
+import { Transform } from 'class-transformer';
+import { IsBoolean, IsOptional } from 'class-validator';
+import { toBoolean } from '../../domain.util';
+import { AssetStats } from '../asset.repository';
+
+export class AssetStatsDto {
+  @IsBoolean()
+  @Transform(toBoolean)
+  @IsOptional()
+  isArchived?: boolean;
+
+  @IsBoolean()
+  @Transform(toBoolean)
+  @IsOptional()
+  isFavorite?: boolean;
+}
+
+export class AssetStatsResponseDto {
+  @ApiProperty({ type: 'integer' })
+  images!: number;
+
+  @ApiProperty({ type: 'integer' })
+  videos!: number;
+
+  @ApiProperty({ type: 'integer' })
+  total!: number;
+}
+
+export const mapStats = (stats: AssetStats): AssetStatsResponseDto => {
+  return {
+    images: stats[AssetType.IMAGE],
+    videos: stats[AssetType.VIDEO],
+    total: Object.values(stats).reduce((total, value) => total + value, 0),
+  };
+};

server/src/domain/asset/dto/index.ts

@@ -1,4 +1,5 @@
 export * from './asset-ids.dto';
+export * from './asset-statistics.dto';
 export * from './download.dto';
 export * from './map-marker.dto';
 export * from './memory-lane.dto';