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5c793cc | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 | import hmac
import logging
from fastapi import APIRouter, BackgroundTasks, Depends, Header, HTTPException, status
from app.modules.posts.application.use_cases.rank_user_feed import RankUserFeedUseCase
from app.modules.posts.application.use_cases.activate_post_cluster_run import ActivatePostClusterRunUseCase
from app.modules.posts.application.use_cases.get_post_cluster_status import GetPostClusterStatusUseCase
from app.modules.posts.application.use_cases.get_post_cluster_run import GetPostClusterRunUseCase
from app.modules.posts.application.use_cases.train_post_clusters import TrainPostClustersUseCase
from app.modules.posts.infrastructure.api.dependencies import (
get_activate_cluster_use_case,
get_cluster_status_use_case,
get_cluster_run_use_case,
get_rank_user_feed_use_case,
get_train_post_clusters_use_case,
)
from app.modules.posts.infrastructure.api.schemas import (
ClusterActivationResponse,
ClusterRunDetailResponse,
ClusterTrainingScheduledResponse,
ClusterStatusResponse,
RankFeedRequest,
RankFeedResponse,
to_domain,
to_response,
)
from app.shared.config.settings import get_settings
router = APIRouter(prefix="/internal/posts", tags=["internal-posts"])
logger = logging.getLogger(__name__)
def require_service_token(authorization: str | None = Header(default=None)) -> None:
settings = get_settings()
expected = settings.post_feed_internal_token
if not expected:
if settings.env == "local":
return
raise HTTPException(
status_code=status.HTTP_503_SERVICE_UNAVAILABLE,
detail="POST_FEED_INTERNAL_TOKEN no configurado",
)
scheme, separator, received = (authorization or "").partition(" ")
if separator != " " or scheme.lower() != "bearer" or not received:
raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED)
received = received.strip()
if not hmac.compare_digest(received, expected):
raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED)
@router.post(
"/feed/rank",
response_model=RankFeedResponse,
dependencies=[Depends(require_service_token)],
)
async def rank_feed(
payload: RankFeedRequest,
use_case: RankUserFeedUseCase = Depends(get_rank_user_feed_use_case),
) -> RankFeedResponse:
post_ids = [candidate.post_id for candidate in payload.candidate_posts]
if len(post_ids) != len(set(post_ids)):
raise HTTPException(
status_code=status.HTTP_422_UNPROCESSABLE_CONTENT,
detail="candidate_posts contiene IDs duplicados",
)
ranking = await use_case.execute(
user_id=payload.user_id,
candidates=[to_domain(candidate) for candidate in payload.candidate_posts],
snapshot_at=payload.snapshot_at,
result_limit=payload.result_limit,
)
logger.info(
"feed_rank candidates=%s results=%s cold_start=%s missing_embeddings=%s "
"duplicate_penalized=%s diversity_relaxations=%s cluster_run_id=%s",
len(payload.candidate_posts),
len(ranking.items),
ranking.cold_start,
ranking.missing_embedding_count,
ranking.duplicate_penalized_count,
ranking.diversity_relaxations,
ranking.cluster_run_id,
)
return to_response(ranking)
@router.post(
"/clusters/runs",
response_model=ClusterTrainingScheduledResponse,
status_code=status.HTTP_202_ACCEPTED,
dependencies=[Depends(require_service_token)],
)
async def train_clusters(
background_tasks: BackgroundTasks,
use_case: TrainPostClustersUseCase = Depends(get_train_post_clusters_use_case),
) -> ClusterTrainingScheduledResponse:
background_tasks.add_task(use_case.execute)
return ClusterTrainingScheduledResponse()
@router.get(
"/clusters/status",
response_model=ClusterStatusResponse,
dependencies=[Depends(require_service_token)],
)
async def cluster_status(
use_case: GetPostClusterStatusUseCase = Depends(get_cluster_status_use_case),
) -> ClusterStatusResponse:
return ClusterStatusResponse(**(await use_case.execute()).__dict__)
@router.get(
"/clusters/runs/{run_id}",
response_model=ClusterRunDetailResponse,
dependencies=[Depends(require_service_token)],
)
async def cluster_run_detail(
run_id: str,
use_case: GetPostClusterRunUseCase = Depends(get_cluster_run_use_case),
) -> ClusterRunDetailResponse:
result = await use_case.execute(run_id)
if result is None:
raise HTTPException(status_code=status.HTTP_404_NOT_FOUND)
return ClusterRunDetailResponse(**result.__dict__)
@router.post(
"/clusters/runs/{run_id}/activate",
response_model=ClusterActivationResponse,
dependencies=[Depends(require_service_token)],
)
async def activate_cluster_run(
run_id: str,
use_case: ActivatePostClusterRunUseCase = Depends(get_activate_cluster_use_case),
) -> ClusterActivationResponse:
await use_case.execute(run_id)
return ClusterActivationResponse(run_id=run_id)
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