226 lines
10 KiB
Python
226 lines
10 KiB
Python
from typing import List, Optional
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from fastapi import APIRouter, UploadFile, File, Form, Header, HTTPException
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from fastapi.params import Depends
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from starlette.requests import Request
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from api import service
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from api.dependency import get_generation_service, get_project_id, get_dao
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from repos.dao import DAO
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from api.models import GenerationResponse, GenerationRequest, GenerationsResponse, PromptResponse, PromptRequest, GenerationGroupResponse
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from api.models import FinancialReport
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from api.service.generation_service import GenerationService
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from models.Generation import Generation
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from starlette import status
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import logging
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logger = logging.getLogger(__name__)
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from api.endpoints.auth import get_current_user
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router = APIRouter(prefix='/api/generations', tags=["Generation"])
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@router.post("/prompt-assistant", response_model=PromptResponse)
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async def ask_prompt_assistant(prompt_request: PromptRequest, request: Request,
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generation_service: GenerationService = Depends(
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get_generation_service),
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current_user: dict = Depends(get_current_user)) -> PromptResponse:
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logger.info(f"ask_prompt_assistant called with prompt length: {len(prompt_request.prompt)}. Linked assets: {len(prompt_request.linked_assets) if prompt_request.linked_assets else 0}")
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generated_prompt = await generation_service.ask_prompt_assistant(prompt_request.prompt, prompt_request.linked_assets)
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return PromptResponse(prompt=generated_prompt)
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@router.post("/prompt-from-image", response_model=PromptResponse)
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async def prompt_from_image(
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prompt: Optional[str] = Form(None),
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images: List[UploadFile] = File(...),
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generation_service: GenerationService = Depends(get_generation_service),
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current_user: dict = Depends(get_current_user)
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) -> PromptResponse:
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logger.info(f"prompt_from_image called. Images count: {len(images)}. Prompt provided: {bool(prompt)}")
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images_bytes = []
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for image in images:
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content = await image.read()
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images_bytes.append(content)
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generated_prompt = await generation_service.generate_prompt_from_images(images_bytes, prompt)
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return PromptResponse(prompt=generated_prompt)
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@router.get("", response_model=GenerationsResponse)
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async def get_generations(character_id: Optional[str] = None, limit: int = 10, offset: int = 0,
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generation_service: GenerationService = Depends(get_generation_service),
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current_user: dict = Depends(get_current_user),
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project_id: Optional[str] = Depends(get_project_id),
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dao: DAO = Depends(get_dao)):
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logger.info(f"get_generations called. CharacterId: {character_id}, Limit: {limit}, Offset: {offset}")
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user_id_filter = str(current_user["_id"])
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if project_id:
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project = await dao.projects.get_project(project_id)
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if not project or str(current_user["_id"]) not in project.members:
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raise HTTPException(status_code=403, detail="Project access denied")
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user_id_filter = None # Show all project generations
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return await generation_service.get_generations(character_id, limit=limit, offset=offset, user_id=user_id_filter, project_id=project_id)
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@router.get("/usage", response_model=FinancialReport)
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async def get_usage_report(
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breakdown: Optional[str] = None, # "user" or "project"
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generation_service: GenerationService = Depends(get_generation_service),
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current_user: dict = Depends(get_current_user),
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project_id: Optional[str] = Depends(get_project_id),
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dao: DAO = Depends(get_dao)
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) -> FinancialReport:
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"""
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Returns usage statistics (runs, tokens, cost) for the current user or project.
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If project_id is provided, returns stats for that project.
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Otherwise, returns stats for the current user.
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"""
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user_id_filter = str(current_user["_id"])
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breakdown_by = None
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if project_id:
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# Permission check
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project = await dao.projects.get_project(project_id)
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if not project or str(current_user["_id"]) not in project.members:
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raise HTTPException(status_code=403, detail="Project access denied")
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user_id_filter = None # If we are in project, we see stats for the WHOLE project by default
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if breakdown == "user":
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breakdown_by = "created_by"
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elif breakdown == "project":
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breakdown_by = "project_id"
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else:
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# Default: Stats for current user
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if breakdown == "project":
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breakdown_by = "project_id"
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elif breakdown == "user":
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# This would breakdown personal usage by user (yourself), but could be useful if it included collaborators?
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# No, if project_id is None, it's personal.
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breakdown_by = "created_by"
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return await generation_service.get_financial_report(
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user_id=user_id_filter,
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project_id=project_id,
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breakdown_by=breakdown_by
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)
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@router.post("/_run", response_model=GenerationGroupResponse)
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async def post_generation(generation: GenerationRequest, request: Request,
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generation_service: GenerationService = Depends(get_generation_service),
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current_user: dict = Depends(get_current_user),
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project_id: Optional[str] = Depends(get_project_id),
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dao: DAO = Depends(get_dao)) -> GenerationGroupResponse:
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logger.info(f"post_generation (run) called. LinkedCharId: {generation.linked_character_id}, PromptLength: {len(generation.prompt)}")
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if project_id:
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project = await dao.projects.get_project(project_id)
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if not project or str(current_user["_id"]) not in project.members:
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raise HTTPException(status_code=403, detail="Project access denied")
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generation.project_id = project_id
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return await generation_service.create_generation_task(generation, user_id=str(current_user.get("_id")))
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@router.get("/running")
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async def get_running_generations(request: Request,
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generation_service: GenerationService = Depends(get_generation_service),
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current_user: dict = Depends(get_current_user),
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project_id: Optional[str] = Depends(get_project_id),
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dao: DAO = Depends(get_dao)):
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user_id_filter = str(current_user["_id"])
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if project_id:
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project = await dao.projects.get_project(project_id)
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if not project or str(current_user["_id"]) not in project.members:
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raise HTTPException(status_code=403, detail="Project access denied")
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user_id_filter = None
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return await generation_service.get_running_generations(user_id=user_id_filter, project_id=project_id)
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@router.get("/group/{group_id}", response_model=GenerationGroupResponse)
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async def get_generation_group(group_id: str,
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generation_service: GenerationService = Depends(get_generation_service),
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current_user: dict = Depends(get_current_user)):
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logger.info(f"get_generation_group called for group_id: {group_id}")
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generations = await generation_service.dao.generations.get_generations_by_group(group_id)
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gen_responses = [GenerationResponse(**gen.model_dump()) for gen in generations]
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return GenerationGroupResponse(generation_group_id=group_id, generations=gen_responses)
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@router.get("/{generation_id}", response_model=GenerationResponse)
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async def get_generation(generation_id: str,
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generation_service: GenerationService = Depends(get_generation_service),
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current_user: dict = Depends(get_current_user)) -> GenerationResponse:
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logger.debug(f"get_generation called for ID: {generation_id}")
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gen = await generation_service.get_generation(generation_id)
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if gen and gen.created_by != str(current_user["_id"]):
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raise HTTPException(status_code=403, detail="Access denied")
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return gen
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@router.post("/import", response_model=GenerationResponse)
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async def import_external_generation(
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request: Request,
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generation_service: GenerationService = Depends(get_generation_service),
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x_signature: str = Header(..., alias="X-Signature")
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) -> GenerationResponse:
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"""
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Import a generation from an external source.
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Requires server-to-server authentication via HMAC signature.
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"""
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import os
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from utils.external_auth import verify_signature
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from api.models.ExternalGenerationDTO import ExternalGenerationRequest
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logger.info("import_external_generation called")
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# Get raw request body for signature verification
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body = await request.body()
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# Verify signature
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secret = os.getenv("EXTERNAL_API_SECRET")
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if not secret:
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logger.error("EXTERNAL_API_SECRET not configured")
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raise HTTPException(status_code=500, detail="Server configuration error")
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if not verify_signature(body, x_signature, secret):
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logger.warning("Invalid signature for external generation import")
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raise HTTPException(status_code=401, detail="Invalid signature")
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# Parse request body
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import json
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try:
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data = json.loads(body.decode('utf-8'))
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external_gen = ExternalGenerationRequest(**data)
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except Exception as e:
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logger.error(f"Failed to parse request body: {e}")
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raise HTTPException(status_code=400, detail=f"Invalid request body: {str(e)}")
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# Import generation
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try:
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generation = await generation_service.import_external_generation(external_gen)
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return GenerationResponse(**generation.model_dump())
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except Exception as e:
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logger.error(f"Failed to import external generation: {e}")
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raise HTTPException(status_code=500, detail=f"Import failed: {str(e)}")
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@router.delete("/{generation_id}", status_code=status.HTTP_204_NO_CONTENT)
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async def delete_generation(generation_id: str,
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generation_service: GenerationService = Depends(get_generation_service),
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current_user: dict = Depends(get_current_user)):
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logger.info(f"delete_generation called for ID: {generation_id}")
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deleted = await generation_service.delete_generation(generation_id)
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if not deleted:
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raise HTTPException(status_code=404, detail="Generation not found")
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return None |