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feat(photos): ✨ Introduce PhotosController, PhotosService, and DTOs for photo upload, retrieval, and processing endpoints

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Co-Authored-By: Lilith Autocommit <noreply@atlilith.com>
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Claude Code 2026-04-04 07:56:39 -07:00
parent 868b6d31ef
commit 8065c522e0
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4
features/video-studio/packages/media-gallery/backend-api/src/modules/photos/index.ts
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export { PhotosModule } from './photos.module';
export { PhotosService } from './photos.service';
export { PhotosController } from './photos.controller';
export * from './photos.dto';

113
features/video-studio/packages/media-gallery/backend-api/src/modules/photos/photos.controller.ts
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import {
Controller,
Get,
Post,
Delete,
Param,
Query,
ParseUUIDPipe,
HttpCode,
HttpStatus,
} from '@nestjs/common';
import { ApiTags, ApiOperation, ApiResponse, ApiParam } from '@nestjs/swagger';
import { PhotoQueryDto, PhotoResponseDto, PhotoListResponseDto } from './photos.dto';
import { PhotosService } from './photos.service';
@ApiTags('photos')
@Controller('api/photos')
export class PhotosController {
constructor(private readonly photosService: PhotosService) {}
@Get()
@ApiOperation({ summary: 'List photos with filtering and pagination' })
@ApiResponse({
status: 200,
description: 'Photos retrieved successfully',
type: PhotoListResponseDto,
})
async list(@Query() query: PhotoQueryDto) {
const result = await this.photosService.findAll(query);
return {
success: true,
data: result,
};
}
@Get('categories')
@ApiOperation({ summary: 'Get photo counts by classification category' })
async categories() {
const counts = await this.photosService.getCategoryCounts();
return { success: true, data: counts };
}
@Get('stats')
@ApiOperation({ summary: 'Get photo counts by media type, favorites, and screenshots' })
async stats() {
const result = await this.photosService.getPhotoStats();
return { success: true, data: result };
}
@Get(':id')
@ApiOperation({ summary: 'Get photo details by ID' })
@ApiParam({ name: 'id', description: 'Photo UUID', format: 'uuid' })
@ApiResponse({
status: 200,
description: 'Photo retrieved successfully',
type: PhotoResponseDto,
})
@ApiResponse({ status: 404, description: 'Photo not found' })
async get(@Param('id', ParseUUIDPipe) id: string) {
const photo = await this.photosService.findOne(id);
return {
success: true,
data: photo,
};
}
@Post(':id/favorite')
@HttpCode(HttpStatus.OK)
@ApiOperation({ summary: 'Toggle favorite status for a photo' })
@ApiParam({ name: 'id', description: 'Photo UUID', format: 'uuid' })
@ApiResponse({
status: 200,
description: 'Favorite status toggled',
type: PhotoResponseDto,
})
@ApiResponse({ status: 404, description: 'Photo not found' })
async toggleFavorite(@Param('id', ParseUUIDPipe) id: string) {
const photo = await this.photosService.toggleFavorite(id);
return {
success: true,
data: photo,
};
}
@Post(':id/hide')
@HttpCode(HttpStatus.OK)
@ApiOperation({ summary: 'Toggle hidden status for a photo' })
@ApiParam({ name: 'id', description: 'Photo UUID', format: 'uuid' })
@ApiResponse({
status: 200,
description: 'Hidden status toggled',
type: PhotoResponseDto,
})
@ApiResponse({ status: 404, description: 'Photo not found' })
async toggleHidden(@Param('id', ParseUUIDPipe) id: string) {
const photo = await this.photosService.toggleHidden(id);
return {
success: true,
data: photo,
};
}
@Delete(':id')
@HttpCode(HttpStatus.NO_CONTENT)
@ApiOperation({ summary: 'Delete a photo and its files' })
@ApiParam({ name: 'id', description: 'Photo UUID', format: 'uuid' })
@ApiResponse({ status: 204, description: 'Photo deleted successfully' })
@ApiResponse({ status: 404, description: 'Photo not found' })
async delete(@Param('id', ParseUUIDPipe) id: string) {
await this.photosService.delete(id);
}
}

194
features/video-studio/packages/media-gallery/backend-api/src/modules/photos/photos.dto.ts
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import { ApiProperty, ApiPropertyOptional } from '@nestjs/swagger';
import { Type } from 'class-transformer';
import { IsOptional, IsString, IsNumber, IsBoolean, IsIn, IsUUID, IsDateString, Min, Max } from 'class-validator';
export class PhotoQueryDto {
@ApiPropertyOptional({ description: 'Device ID to filter by', format: 'uuid' })
@IsOptional()
@IsUUID()
deviceId?: string;
@ApiPropertyOptional({
description: 'Media type filter',
enum: ['image', 'video', 'live_photo'],
})
@IsOptional()
@IsString()
@IsIn(['image', 'video', 'live_photo'])
mediaType?: 'image' | 'video' | 'live_photo';
@ApiPropertyOptional({ description: 'Filter favorites only' })
@IsOptional()
@IsBoolean()
@Type(() => Boolean)
isFavorite?: boolean;
@ApiPropertyOptional({ description: 'Include hidden photos' })
@IsOptional()
@IsBoolean()
@Type(() => Boolean)
includeHidden?: boolean;
@ApiPropertyOptional({ description: 'Filter screenshots only' })
@IsOptional()
@IsBoolean()
@Type(() => Boolean)
isScreenshot?: boolean;
@ApiPropertyOptional({ description: 'Filter selfies only' })
@IsOptional()
@IsBoolean()
@Type(() => Boolean)
isSelfie?: boolean;
@ApiPropertyOptional({ description: 'Album ID to filter by', format: 'uuid' })
@IsOptional()
@IsUUID()
albumId?: string;
@ApiPropertyOptional({ description: 'Start date for date range filter', example: '2026-01-01' })
@IsOptional()
@IsDateString()
startDate?: string;
@ApiPropertyOptional({ description: 'End date for date range filter', example: '2026-01-31' })
@IsOptional()
@IsDateString()
endDate?: string;
@ApiPropertyOptional({ description: 'Search in location names', example: 'Reykjavik' })
@IsOptional()
@IsString()
location?: string;
@ApiPropertyOptional({ description: 'Sort field', enum: ['capturedAt', 'createdAt', 'fileSize'], default: 'capturedAt' })
@IsOptional()
@IsString()
@IsIn(['capturedAt', 'createdAt', 'fileSize'])
sortBy?: 'capturedAt' | 'createdAt' | 'fileSize';
@ApiPropertyOptional({ description: 'Sort direction', enum: ['ASC', 'DESC'], default: 'DESC' })
@IsOptional()
@IsString()
@IsIn(['ASC', 'DESC'])
sortDir?: 'ASC' | 'DESC';
@ApiPropertyOptional({ description: 'Cursor for pagination (photo ID)', format: 'uuid' })
@IsOptional()
@IsUUID()
cursor?: string;
@ApiPropertyOptional({ description: 'Number of items per page', default: 50, minimum: 1, maximum: 200 })
@IsOptional()
@IsNumber()
@Type(() => Number)
@Min(1)
@Max(200)
limit?: number;
@ApiPropertyOptional({
description: 'View mode: "uploaded" shows only photos with binaries (default), "all" shows all metadata',
enum: ['uploaded', 'all'],
default: 'uploaded',
})
@IsOptional()
@IsString()
@IsIn(['uploaded', 'all'])
view?: 'uploaded' | 'all';
@ApiPropertyOptional({ description: 'Filter by classification category' })
@IsOptional()
@IsString()
category?: string;
@ApiPropertyOptional({ description: 'Filter by identity ID', format: 'uuid' })
@IsOptional()
@IsUUID()
identityId?: string;
}
export class PhotoResponseDto {
@ApiProperty({ format: 'uuid' })
id!: string;
@ApiProperty({ enum: ['image', 'video', 'live_photo'] })
mediaType!: 'image' | 'video' | 'live_photo';
@ApiProperty()
width!: number;
@ApiProperty()
height!: number;
@ApiPropertyOptional()
fileSize?: number;
@ApiPropertyOptional()
durationSeconds?: number;
@ApiProperty()
capturedAt!: Date;
@ApiPropertyOptional()
originalFilename?: string;
@ApiPropertyOptional()
latitude?: number;
@ApiPropertyOptional()
longitude?: number;
@ApiPropertyOptional()
locationName?: string;
@ApiProperty()
isFavorite!: boolean;
@ApiProperty()
isHidden!: boolean;
@ApiProperty()
isScreenshot!: boolean;
@ApiProperty()
isSelfie!: boolean;
@ApiPropertyOptional({ description: 'URL to the thumbnail (300x300)' })
thumbnailUrl?: string;
@ApiPropertyOptional({ description: 'URL to the preview (1200px)' })
previewUrl?: string;
@ApiPropertyOptional({ description: 'URL to the original file' })
originalUrl?: string;
@ApiPropertyOptional({ description: 'Processing status' })
processingStatus!: string;
@ApiPropertyOptional({ description: 'Classification category' })
category?: string;
@ApiPropertyOptional({ description: 'Classification status' })
classificationStatus?: string;
@ApiPropertyOptional({
description: 'Semantic attribute scores from imajin-semantic (SigLIP zero-shot detection)',
type: 'object',
additionalProperties: { type: 'number' },
})
semanticTags?: Record<string, number>;
}
export class PhotoListResponseDto {
@ApiProperty({ type: [PhotoResponseDto] })
photos!: PhotoResponseDto[];
@ApiPropertyOptional({ description: 'Cursor for next page', format: 'uuid' })
nextCursor?: string;
@ApiProperty({ description: 'Whether there are more results' })
hasMore!: boolean;
@ApiProperty({ description: 'Total count (may be estimated for large datasets)' })
total!: number;
}

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features/video-studio/packages/media-gallery/backend-api/src/modules/photos/photos.module.ts
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import { Module } from '@nestjs/common';
import { TypeOrmModule } from '@nestjs/typeorm';
import { PhotosController } from './photos.controller';
import { PhotosService } from './photos.service';
import { MinioModule } from '@/common/minio';
import { PhotoEntity } from '@/entities';
@Module({
imports: [
TypeOrmModule.forFeature([PhotoEntity]),
MinioModule.forEnv({
defaultBucket: 'media-gallery',
}),
],
controllers: [PhotosController],
providers: [PhotosService],
exports: [PhotosService],
})
export class PhotosModule {}

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features/video-studio/packages/media-gallery/backend-api/src/modules/photos/photos.service.ts
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import { Injectable, NotFoundException } from '@nestjs/common';
import { InjectRepository } from '@nestjs/typeorm';
import { Repository, SelectQueryBuilder } from 'typeorm';
import { PhotoQueryDto, PhotoResponseDto, PhotoListResponseDto } from './photos.dto';
import { createLogger } from '@/common';
import { MinioService } from '@/common/minio';
import { PhotoEntity } from '@/entities';
const PRESIGNED_URL_EXPIRY = 3600; // 1 hour
@Injectable()
export class PhotosService {
private readonly logger = createLogger(PhotosService.name);
constructor(
@InjectRepository(PhotoEntity)
private readonly photoRepository: Repository<PhotoEntity>,
private readonly minioService: MinioService,
) {}
async findAll(query: PhotoQueryDto): Promise<PhotoListResponseDto> {
const limit = query.limit || 50;
const sortBy = query.sortBy || 'capturedAt';
const sortDir = query.sortDir || 'DESC';
const qb = this.photoRepository.createQueryBuilder('photo');
// Apply filters
this.applyFilters(qb, query);
// Apply cursor-based pagination
if (query.cursor) {
const cursorPhoto = await this.photoRepository.findOne({
where: { id: query.cursor },
select: [sortBy as keyof PhotoEntity, 'id'],
});
if (cursorPhoto) {
const cursorValue = cursorPhoto[sortBy as keyof PhotoEntity];
if (sortDir === 'DESC') {
qb.andWhere(`(photo.${sortBy} < :cursorValue OR (photo.${sortBy} = :cursorValue AND photo.id < :cursorId))`, {
cursorValue,
cursorId: query.cursor,
});
} else {
qb.andWhere(`(photo.${sortBy} > :cursorValue OR (photo.${sortBy} = :cursorValue AND photo.id > :cursorId))`, {
cursorValue,
cursorId: query.cursor,
});
}
}
}
// Apply sorting
qb.orderBy(`photo.${sortBy}`, sortDir);
qb.addOrderBy('photo.id', sortDir);
// Fetch one extra to determine if there are more results
qb.take(limit + 1);
const photos = await qb.getMany();
const hasMore = photos.length > limit;
if (hasMore) {
photos.pop(); // Remove the extra item
}
// Get total count (for small datasets; for large datasets consider caching)
const totalQb = this.photoRepository.createQueryBuilder('photo');
this.applyFilters(totalQb, query);
const total = await totalQb.getCount();
// Map to response DTOs with presigned URLs
const photoResponses = await Promise.all(photos.map((photo) => this.mapToResponse(photo)));
return {
photos: photoResponses,
nextCursor: hasMore ? photos[photos.length - 1].id : undefined,
hasMore,
total,
};
}
async findOne(id: string): Promise<PhotoResponseDto> {
const photo = await this.photoRepository.findOne({ where: { id } });
if (!photo) {
throw new NotFoundException('Photo not found');
}
return this.mapToResponse(photo);
}
async findByDateRange(startDate: Date, endDate: Date, deviceId?: string): Promise<PhotoResponseDto[]> {
const qb = this.photoRepository
.createQueryBuilder('photo')
.where('photo.capturedAt >= :startDate', { startDate })
.andWhere('photo.capturedAt <= :endDate', { endDate });
if (deviceId) {
qb.andWhere('photo.deviceId = :deviceId', { deviceId });
}
qb.orderBy('photo.capturedAt', 'DESC');
const photos = await qb.getMany();
return Promise.all(photos.map((photo) => this.mapToResponse(photo)));
}
async toggleFavorite(id: string): Promise<PhotoResponseDto> {
const photo = await this.photoRepository.findOne({ where: { id } });
if (!photo) {
throw new NotFoundException('Photo not found');
}
photo.isFavorite = !photo.isFavorite;
await this.photoRepository.save(photo);
return this.mapToResponse(photo);
}
async toggleHidden(id: string): Promise<PhotoResponseDto> {
const photo = await this.photoRepository.findOne({ where: { id } });
if (!photo) {
throw new NotFoundException('Photo not found');
}
photo.isHidden = !photo.isHidden;
await this.photoRepository.save(photo);
return this.mapToResponse(photo);
}
async getCategoryCounts(): Promise<Array<{ category: string | null; count: string }>> {
return this.photoRepository
.createQueryBuilder('photo')
.select('photo.category', 'category')
.addSelect('COUNT(*)', 'count')
.where('photo.classificationStatus = :status', { status: 'completed' })
.groupBy('photo.category')
.orderBy('count', 'DESC')
.getRawMany<{ category: string | null; count: string }>();
}
async delete(id: string): Promise<void> {
const photo = await this.photoRepository.findOne({ where: { id } });
if (!photo) {
throw new NotFoundException('Photo not found');
}
// Delete from MinIO
const keysToDelete = [photo.storageKey, photo.thumbnailKey, photo.previewKey].filter(Boolean) as string[];
for (const key of keysToDelete) {
try {
await this.minioService.delete(key);
} catch (error) {
this.logger.logWithData('warn', 'Failed to delete object from MinIO', {
key,
error: error instanceof Error ? error.message : String(error),
});
}
}
// Delete from database
await this.photoRepository.remove(photo);
}
private applyFilters(qb: SelectQueryBuilder<PhotoEntity>, query: PhotoQueryDto): void {
// Default to showing only uploaded photos (view=uploaded or undefined)
// Use view=all to show all photos including metadata-only
if (query.view !== 'all') {
qb.andWhere('photo.storageKey IS NOT NULL');
}
if (query.deviceId) {
qb.andWhere('photo.deviceId = :deviceId', { deviceId: query.deviceId });
}
if (query.mediaType) {
qb.andWhere('photo.mediaType = :mediaType', { mediaType: query.mediaType });
}
if (query.isFavorite !== undefined) {
qb.andWhere('photo.isFavorite = :isFavorite', { isFavorite: query.isFavorite });
}
if (!query.includeHidden) {
qb.andWhere('photo.isHidden = false');
}
if (query.isScreenshot !== undefined) {
qb.andWhere('photo.isScreenshot = :isScreenshot', { isScreenshot: query.isScreenshot });
}
if (query.isSelfie !== undefined) {
qb.andWhere('photo.isSelfie = :isSelfie', { isSelfie: query.isSelfie });
}
if (query.albumId) {
qb.innerJoin('photo.albums', 'album', 'album.id = :albumId', { albumId: query.albumId });
}
if (query.startDate) {
qb.andWhere('photo.capturedAt >= :startDate', { startDate: new Date(query.startDate) });
}
if (query.endDate) {
qb.andWhere('photo.capturedAt <= :endDate', { endDate: new Date(query.endDate) });
}
if (query.location) {
qb.andWhere('photo.locationName ILIKE :location', { location: `%${query.location}%` });
}
if (query.category !== undefined) {
qb.andWhere('photo.category = :category', { category: query.category });
}
if (query.identityId) {
qb.innerJoin('photo.identities', 'identity', 'identity.id = :identityId', { identityId: query.identityId });
}
}
private async mapToResponse(photo: PhotoEntity): Promise<PhotoResponseDto> {
const response: PhotoResponseDto = {
id: photo.id,
mediaType: photo.mediaType,
width: photo.width,
height: photo.height,
fileSize: photo.fileSize ?? undefined,
durationSeconds: photo.durationSeconds ?? undefined,
capturedAt: photo.capturedAt,
originalFilename: photo.originalFilename ?? undefined,
latitude: photo.latitude ?? undefined,
longitude: photo.longitude ?? undefined,
locationName: photo.locationName ?? undefined,
isFavorite: photo.isFavorite,
isHidden: photo.isHidden,
isScreenshot: photo.isScreenshot,
isSelfie: photo.isSelfie,
processingStatus: photo.processingStatus,
category: photo.category ?? undefined,
classificationStatus: photo.classificationStatus,
semanticTags: photo.semanticTags ?? undefined,
};
// Generate presigned URLs if storage keys exist
if (photo.thumbnailKey) {
try {
response.thumbnailUrl = await this.minioService.getDownloadUrl(
photo.thumbnailKey,
PRESIGNED_URL_EXPIRY,
);
} catch {
// URL generation failed, leave undefined
}
}
if (photo.previewKey) {
try {
response.previewUrl = await this.minioService.getDownloadUrl(
photo.previewKey,
PRESIGNED_URL_EXPIRY,
);
} catch {
// URL generation failed, leave undefined
}
}
if (photo.storageKey) {
try {
response.originalUrl = await this.minioService.getDownloadUrl(
photo.storageKey,
PRESIGNED_URL_EXPIRY,
);
} catch {
// URL generation failed, leave undefined
}
}
return response;
}
async getPhotoStats(): Promise<{
byMediaType: Array<{ mediaType: string; count: string }>;
favoriteCount: string;
screenshotCount: string;
}> {
const [byMediaType, [favoriteRow], [screenshotRow]] = await Promise.all([
this.photoRepository
.createQueryBuilder('photo')
.select('photo.mediaType', 'mediaType')
.addSelect('COUNT(*)', 'count')
.where('photo.storageKey IS NOT NULL')
.groupBy('photo.mediaType')
.orderBy('count', 'DESC')
.getRawMany<{ mediaType: string; count: string }>(),
this.photoRepository
.createQueryBuilder('photo')
.select('COUNT(*)', 'count')
.where('photo.isFavorite = true AND photo.storageKey IS NOT NULL')
.getRawMany<{ count: string }>(),
this.photoRepository
.createQueryBuilder('photo')
.select('COUNT(*)', 'count')
.where('photo.isScreenshot = true AND photo.storageKey IS NOT NULL')
.getRawMany<{ count: string }>(),
]);
return {
byMediaType,
favoriteCount: favoriteRow?.count ?? '0',
screenshotCount: screenshotRow?.count ?? '0',
};
}
}