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feat(video): 제목·설명·해시태그를 영상 완료 시 DB에 저장

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업로드 시점 Redis SEO 캐시 대신 video 행을 기준으로 두고, 게시 시에만 변경분을 갱신한다.
This commit is contained in:
김성경 2026-08-19 10:17:22 +09:00
parent c7149deb1f
commit a2d84421d2
11 changed files with 209 additions and 65 deletions
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3
app/archive/api/routers/v1/archive.py
View File

@ -180,6 +180,9 @@ async def get_videos(
task_id=video.task_id,
result_movie_url=video.result_movie_url,
poster_url=video.poster_url,
title=video.title,
description=video.description,
hashtags=video.hashtags,
created_at=video.created_at,
like_count=like_count_map.get(video.id) or 0,
comment_count=comment_count or 0,

2
app/social/api/routers/v1/seo.py
View File

@ -33,5 +33,5 @@ async def youtube_seo_description(
session: AsyncSession = Depends(get_session),
) -> YoutubeDescriptionResponse:
return await seo_service.get_youtube_seo_description(
request_body.task_id, current_user, session
request_body.video_id, current_user, session
)

2
app/social/constants.py
View File

@ -95,8 +95,6 @@ YOUTUBE_SCOPES = [
"https://www.googleapis.com/auth/userinfo.profile", # 사용자 프로필
]
YOUTUBE_SEO_HASH = "SEO_Describtion_YT"
# =============================================================================
# Instagram/Facebook OAuth Scopes (추후 구현)
# =============================================================================

4
app/social/schemas/seo_schema.py
View File

@ -8,12 +8,12 @@ from pydantic import BaseModel, ConfigDict, Field
class YoutubeDescriptionRequest(BaseModel):
"""유튜브 SEO Description 제안 요청"""
task_id: str = Field(..., description="작업 고유 식별자")
video_id: int = Field(..., description="영상 고유 ID")
model_config = ConfigDict(
json_schema_extra={
"example": {
"task_id": "019c739f-65fc-7d15-8c88-b31be00e588e"
"video_id": 123
}
}
)

133
app/social/services/seo_service.py
View File

@ -1,88 +1,132 @@
"""
유튜브 SEO 서비스
SEO description 생성 및 Redis 캐싱 로직을 처리합니다.
영상 제목/설명/해시태그를 생성하고 video 테이블에 저장합니다.
"""
import json
import logging
from fastapi import HTTPException
from redis.asyncio import Redis
from fastapi import HTTPException, status
from sqlalchemy import select
from sqlalchemy.ext.asyncio import AsyncSession
from config import db_settings
from app.home.models import MarketingIntel, Project
from app.social.constants import YOUTUBE_SEO_HASH
from app.social.schemas import YoutubeDescriptionResponse
from app.social.services.sns_metadata import apply_sns_metadata, has_stored_sns_metadata
from app.user.models import User
from app.utils.prompts.chatgpt_prompt import ChatgptService
from app.utils.prompts.prompts import yt_upload_prompt
from app.video.models import Video
logger = logging.getLogger(__name__)
redis_seo_client = Redis(
host=db_settings.REDIS_HOST,
port=db_settings.REDIS_PORT,
db=0,
decode_responses=True,
)
class SeoService:
"""유튜브 SEO 비즈니스 로직 서비스"""
async def get_youtube_seo_description(
self,
task_id: str,
video_id: int,
current_user: User,
session: AsyncSession,
) -> YoutubeDescriptionResponse:
"""
유튜브 SEO description 생성
Redis 캐시 확인 후 miss이면 GPT로 생성하고 캐싱.
저장된 SNS 메타데이터를 반환하거나, 없으면 생성 후 video에 저장합니다.
"""
logger.info(
f"[SEO_SERVICE] Try Cache - user: {current_user.user_uuid} / task_id: {task_id}"
f"[SEO_SERVICE] Load metadata - user: {current_user.user_uuid} / video_id: {video_id}"
)
cached = await self._get_from_redis(task_id)
if cached:
return cached
video = await self._get_owned_video(video_id, current_user.user_uuid, session)
if video is None:
raise HTTPException(
status_code=status.HTTP_404_NOT_FOUND,
detail=f"video_id '{video_id}'에 해당하는 영상을 찾을 수 없습니다.",
)
logger.info(f"[SEO_SERVICE] Cache miss - user: {current_user.user_uuid}")
result = await self._generate_seo_description(task_id, current_user, session)
await self._set_to_redis(task_id, result)
if has_stored_sns_metadata(video):
return self._response_from_video(video)
result = await self.generate_and_save_for_video(video.id, session)
if result is None:
raise HTTPException(
status_code=status.HTTP_404_NOT_FOUND,
detail=f"video_id '{video_id}'에 해당하는 영상을 찾을 수 없습니다.",
)
await session.commit()
return result
async def generate_and_save_for_video(
self,
video_id: int,
session: AsyncSession,
) -> YoutubeDescriptionResponse | None:
"""GPT로 SEO를 생성해 지정한 video 행에 저장합니다. 워커/온디맨드 공용."""
video_result = await session.execute(select(Video).where(Video.id == video_id))
video = video_result.scalar_one_or_none()
if video is None:
logger.warning(f"[SEO_SERVICE] Video NOT FOUND - video_id: {video_id}")
return None
if has_stored_sns_metadata(video):
return self._response_from_video(video)
result = await self._generate_seo_description(video.task_id, session)
apply_sns_metadata(video, result.title, result.description, result.keywords)
await session.flush()
logger.info(f"[SEO_SERVICE] Saved metadata - video_id: {video_id}")
return result
async def _get_owned_video(
self,
video_id: int,
user_uuid: str,
session: AsyncSession,
) -> Video | None:
result = await session.execute(
select(Video)
.join(Project, Project.id == Video.project_id)
.where(
Video.id == video_id,
Project.user_uuid == user_uuid,
Video.is_deleted.is_(False),
)
)
return result.scalar_one_or_none()
async def _generate_seo_description(
self,
task_id: str,
current_user: User,
session: AsyncSession,
) -> YoutubeDescriptionResponse:
"""GPT를 사용하여 SEO description 생성"""
logger.info(f"[SEO_SERVICE] Generating SEO - user: {current_user.user_uuid}")
from app.utils.prompts.chatgpt_prompt import ChatgptService
from app.utils.prompts.prompts import yt_upload_prompt
logger.info(f"[SEO_SERVICE] Generating SEO - task_id: {task_id}")
try:
project_result = await session.execute(
select(Project)
.where(
Project.task_id == task_id,
Project.user_uuid == current_user.user_uuid,
)
.where(Project.task_id == task_id)
.order_by(Project.created_at.desc())
.limit(1)
)
project = project_result.scalar_one_or_none()
if project is None:
raise HTTPException(
status_code=status.HTTP_404_NOT_FOUND,
detail=f"task_id '{task_id}'에 해당하는 Project를 찾을 수 없습니다.",
)
marketing_result = await session.execute(
select(MarketingIntel).where(MarketingIntel.id == project.marketing_intelligence)
)
marketing_intelligence = marketing_result.scalar_one_or_none()
if marketing_intelligence is None:
raise HTTPException(
status_code=status.HTTP_404_NOT_FOUND,
detail="마케팅 인텔리전스를 찾을 수 없습니다.",
)
hashtags = marketing_intelligence.intel_result["target_keywords"]
@ -94,12 +138,13 @@ class SeoService:
),
"language": project.language,
"target_keywords": hashtags,
"industry": project.industry or "", # 크롤 시 분류해 Project에 저장한 업종 enum
"industry": project.industry or "",
}
# 업종 분기는 프롬프트 내부 {industry}로 처리하므로 단일 프롬프트 사용
chatgpt = ChatgptService(timeout=180)
yt_seo_output = await chatgpt.generate_structured_output(yt_upload_prompt, yt_seo_input_data)
yt_seo_output = await chatgpt.generate_structured_output(
yt_upload_prompt, yt_seo_input_data
)
return YoutubeDescriptionResponse(
title=yt_seo_output.title,
@ -107,6 +152,8 @@ class SeoService:
keywords=hashtags,
)
except HTTPException:
raise
except Exception as e:
logger.error(f"[SEO_SERVICE] EXCEPTION - error: {e}")
raise HTTPException(
@ -114,18 +161,12 @@ class SeoService:
detail=f"유튜브 SEO 생성에 실패했습니다. : {str(e)}",
)
async def _get_from_redis(self, task_id: str) -> YoutubeDescriptionResponse | None:
field = f"task_id:{task_id}"
yt_seo_info = await redis_seo_client.hget(YOUTUBE_SEO_HASH, field)
if yt_seo_info:
return YoutubeDescriptionResponse(**json.loads(yt_seo_info))
return None
async def _set_to_redis(self, task_id: str, yt_seo: YoutubeDescriptionResponse) -> None:
field = f"task_id:{task_id}"
yt_seo_info = json.dumps(yt_seo.model_dump(), ensure_ascii=False)
await redis_seo_client.hset(YOUTUBE_SEO_HASH, field, yt_seo_info)
await redis_seo_client.expire(YOUTUBE_SEO_HASH, 3600)
def _response_from_video(self, video: Video) -> YoutubeDescriptionResponse:
return YoutubeDescriptionResponse(
title=video.title or "",
description=video.description or "",
keywords=list(video.hashtags or []),
)
seo_service = SeoService()

36
app/social/services/sns_metadata.py Normal file
View File

@ -0,0 +1,36 @@
"""SNS 업로드용 영상 메타데이터 비교/반영 헬퍼."""
from app.video.models import Video
def has_stored_sns_metadata(video: Video) -> bool:
"""video 행에 SNS 제목이 이미 저장되어 있는지 확인합니다."""
return bool(video.title)
def sns_metadata_changed(
video: Video,
title: str,
description: str | None,
tags: list[str] | None,
) -> bool:
"""게시 폼 값이 저장된 SNS 메타데이터와 다른지 비교합니다."""
stored_tags = list(video.hashtags or [])
incoming_tags = list(tags or [])
return (
(video.title or "") != title
or (video.description or "") != (description or "")
or stored_tags != incoming_tags
)
def apply_sns_metadata(
video: Video,
title: str,
description: str | None,
hashtags: list[str] | None,
) -> None:
"""video 행에 SNS 메타데이터를 반영합니다."""
video.title = title
video.description = description
video.hashtags = list(hashtags or [])

7
app/social/services/upload_service.py
View File

@ -26,6 +26,7 @@ from app.social.schemas import (
SocialUploadRequest,
)
from app.social.services.account_service import SocialAccountService
from app.social.services.sns_metadata import apply_sns_metadata, sns_metadata_changed
from app.social.worker.upload_task import process_social_upload
from app.user.models import User
from app.video.models import Video
@ -76,6 +77,12 @@ class SocialUploadService:
detail="영상이 아직 준비되지 않았습니다. 영상 생성이 완료된 후 시도해주세요.",
)
if sns_metadata_changed(video, body.title, body.description, body.tags):
apply_sns_metadata(video, body.title, body.description, body.tags)
logger.info(
f"[UPLOAD_SERVICE] video SNS 메타데이터 갱신 - video_id: {body.video_id}"
)
# 2. 소셜 계정 조회 및 소유권 검증
account = await self._account_service.get_account_by_id(
user_uuid=current_user.user_uuid,

24
app/video/models.py
View File

@ -1,7 +1,8 @@
from datetime import datetime
from typing import TYPE_CHECKING, List, Optional
from sqlalchemy import Boolean, DateTime, ForeignKey, Index, Integer, String, UniqueConstraint, func
from sqlalchemy import Boolean, DateTime, ForeignKey, Index, Integer, String, Text, UniqueConstraint, func
from sqlalchemy.dialects.mysql import JSON
from sqlalchemy.orm import Mapped, mapped_column, relationship
from app.database.session import Base
@ -30,6 +31,9 @@ class Video(Base):
status: 처리 상태 (pending, processing, completed, failed 등)
result_movie_url: 생성된 영상 URL (S3, CDN 경로)
poster_url: 영상 첫 프레임 포스터 이미지 URL (SNS 공유 og:image용)
title: SNS 업로드 제목
description: SNS 업로드 설명
hashtags: SNS 해시태그 목록
created_at: 생성 일시 (자동 설정)
Relationships:
@ -113,6 +117,24 @@ class Video(Base):
comment="영상 첫 프레임 포스터 이미지 URL (SNS 공유용)",
)
title: Mapped[Optional[str]] = mapped_column(
String(100),
nullable=True,
comment="SNS 업로드 제목",
)
description: Mapped[Optional[str]] = mapped_column(
Text,
nullable=True,
comment="SNS 업로드 설명",
)
hashtags: Mapped[Optional[list]] = mapped_column(
JSON,
nullable=True,
comment="SNS 해시태그 목록",
)
is_deleted: Mapped[bool] = mapped_column(
Boolean,
nullable=False,

5
app/video/schemas/video_schema.py
View File

@ -5,7 +5,7 @@ Video API Schemas
"""
from datetime import datetime
from typing import Any, Dict, Optional
from typing import Any, Dict, List, Optional
from pydantic import BaseModel, ConfigDict, Field
@ -159,6 +159,9 @@ class VideoListItem(BaseModel):
task_id: str = Field(..., description="작업 고유 식별자")
result_movie_url: Optional[str] = Field(None, description="영상 결과 URL")
poster_url: Optional[str] = Field(None, description="영상 첫 프레임 포스터 이미지 URL")
title: Optional[str] = Field(None, description="SNS 업로드 제목")
description: Optional[str] = Field(None, description="SNS 업로드 설명")
hashtags: Optional[List[str]] = Field(None, description="SNS 해시태그 목록")
created_at: Optional[datetime] = Field(None, description="생성 일시")
like_count: int = Field(0, description="좋아요 수")
comment_count: int = Field(0, description="댓글 수 (대댓글 포함)")

35
app/video/worker/video_task.py
View File

@ -31,7 +31,7 @@ async def _update_video_status(
video_url: str | None = None,
creatomate_render_id: str | None = None,
poster_url: str | None = None,
) -> bool:
) -> int | None:
"""Video 테이블의 상태를 업데이트합니다.
Args:
@ -42,7 +42,7 @@ async def _update_video_status(
poster_url: 영상 첫 프레임 포스터 URL (선택)
Returns:
bool: 업데이트 성공 여부
int | None: 업데이트된 Video id. 대상이 없거나 실패하면 None.
"""
try:
async with BackgroundSessionLocal() as session:
@ -71,17 +71,32 @@ async def _update_video_status(
video.poster_url = poster_url
await session.commit()
logger.info(f"[Video] Status updated - task_id: {task_id}, status: {status}")
return True
return video.id
else:
logger.warning(f"[Video] NOT FOUND in DB - task_id: {task_id}")
return False
return None
except SQLAlchemyError as e:
logger.error(f"[Video] DB Error while updating status - task_id: {task_id}, error: {e}")
return False
return None
except Exception as e:
logger.error(f"[Video] Unexpected error while updating status - task_id: {task_id}, error: {e}")
return False
return None
async def _try_generate_sns_metadata(video_id: int) -> None:
"""SEO 생성 실패가 영상 완료 처리에 영향을 주지 않도록 격리합니다."""
from app.social.services.seo_service import seo_service
try:
async with BackgroundSessionLocal() as session:
await seo_service.generate_and_save_for_video(video_id, session)
await session.commit()
except Exception as e:
logger.warning(
f"[VideoSEO] Failed to generate SNS metadata - video_id: {video_id}, error: {e}",
exc_info=True,
)
async def _try_generate_poster(
@ -184,13 +199,15 @@ async def download_and_upload_video_to_blob(
)
# Video 테이블 업데이트 (creatomate_render_id로 특정 Video 식별)
await _update_video_status(
video_id = await _update_video_status(
task_id,
"completed",
blob_url,
creatomate_render_id,
poster_url=poster_url,
)
if video_id is not None:
await _try_generate_sns_metadata(video_id)
# 영상 생성 완료 시 크레딧 1 차감 (credits > 0 조건으로 음수 방지)
async with BackgroundSessionLocal() as session:
@ -300,13 +317,15 @@ async def download_and_upload_video_by_creatomate_render_id(
)
# Video 테이블 업데이트
await _update_video_status(
video_id = await _update_video_status(
task_id=task_id,
status="completed",
video_url=blob_url,
creatomate_render_id=creatomate_render_id,
poster_url=poster_url,
)
if video_id is not None:
await _try_generate_sns_metadata(video_id)
logger.info(f"[download_and_upload_video_by_creatomate_render_id] SUCCESS - creatomate_render_id: {creatomate_render_id}")
except httpx.HTTPError as e:

15
docs/database-schema/migration_2026_08_19_add_video_sns_metadata.sql Normal file
View File

@ -0,0 +1,15 @@
-- ============================================================
-- Migration: video 테이블에 SNS 메타데이터 컬럼 추가
-- Date: 2026-08-19
-- Description: 영상 생성 완료 시 저장하는 제목/설명/해시태그.
-- 관련 코드: app/social/services/seo_service.py,
-- app/video/worker/video_task.py
-- ============================================================
ALTER TABLE `video`
ADD COLUMN `title` VARCHAR(100) NULL
COMMENT 'SNS 업로드 제목' AFTER `poster_url`,
ADD COLUMN `description` TEXT NULL
COMMENT 'SNS 업로드 설명' AFTER `title`,
ADD COLUMN `hashtags` JSON NULL
COMMENT 'SNS 해시태그 목록' AFTER `description`;