Initial commit: Leopost Full — merge di Leopost, Post Generator e Autopilot OS
- Backend FastAPI con multi-LLM (Claude/OpenAI/Gemini) - Publishing su Facebook, Instagram, YouTube, TikTok - Calendario editoriale con awareness levels (PAS, AIDA, BAB...) - Design system Editorial Fresh (Fraunces + DM Sans) - Scheduler automatico, gestione commenti AI, affiliate links Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Michele
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backend/app/routers/content.py
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225
backend/app/routers/content.py
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"""Content generation router.
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Handles post generation via LLM, image generation, and CRUD operations on posts.
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"""
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from datetime import datetime
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from fastapi import APIRouter, Depends, HTTPException, Query
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from sqlalchemy.orm import Session
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from ..auth import get_current_user
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from ..database import get_db
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from ..models import AffiliateLink, Character, Post, SystemSetting
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from ..schemas import (
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GenerateContentRequest,
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GenerateImageRequest,
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PostResponse,
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PostUpdate,
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)
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from ..services.content import generate_hashtags, generate_post_text, inject_affiliate_links
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from ..services.images import get_image_provider
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from ..services.llm import get_llm_provider
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router = APIRouter(
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prefix="/api/content",
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tags=["content"],
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dependencies=[Depends(get_current_user)],
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)
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def _get_setting(db: Session, key: str) -> str | None:
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"""Retrieve a system setting value by key."""
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setting = db.query(SystemSetting).filter(SystemSetting.key == key).first()
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if setting is None:
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return None
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return setting.value
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@router.post("/generate", response_model=PostResponse)
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def generate_content(request: GenerateContentRequest, db: Session = Depends(get_db)):
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"""Generate content for a character using LLM."""
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# Validate character exists
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character = db.query(Character).filter(Character.id == request.character_id).first()
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if not character:
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raise HTTPException(status_code=404, detail="Character not found")
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# Get LLM settings
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provider_name = request.provider or _get_setting(db, "llm_provider")
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api_key = _get_setting(db, "llm_api_key")
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model = request.model or _get_setting(db, "llm_model")
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if not provider_name:
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raise HTTPException(status_code=400, detail="LLM provider not configured. Set 'llm_provider' in settings.")
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if not api_key:
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raise HTTPException(status_code=400, detail="LLM API key not configured. Set 'llm_api_key' in settings.")
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# Build character dict for content service
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char_dict = {
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"name": character.name,
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"niche": character.niche,
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"topics": character.topics or [],
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"tone": character.tone or "professional",
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}
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# Create LLM provider and generate text
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llm = get_llm_provider(provider_name, api_key, model)
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text = generate_post_text(
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character=char_dict,
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llm_provider=llm,
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platform=request.platform,
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topic_hint=request.topic_hint,
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)
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# Generate hashtags
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hashtags = generate_hashtags(text, llm, request.platform)
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# Handle affiliate links
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affiliate_links_used: list[dict] = []
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if request.include_affiliates:
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links = (
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db.query(AffiliateLink)
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.filter(
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AffiliateLink.is_active == True,
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(AffiliateLink.character_id == character.id) | (AffiliateLink.character_id == None),
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)
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.all()
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)
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if links:
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link_dicts = [
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{
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"url": link.url,
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"label": link.name,
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"keywords": link.topics or [],
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}
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for link in links
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]
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text, affiliate_links_used = inject_affiliate_links(
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text, link_dicts, character.topics or []
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)
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# Create post record
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post = Post(
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character_id=character.id,
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content_type=request.content_type,
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text_content=text,
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hashtags=hashtags,
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affiliate_links_used=affiliate_links_used,
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llm_provider=provider_name,
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llm_model=model,
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platform_hint=request.platform,
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status="draft",
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)
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db.add(post)
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db.commit()
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db.refresh(post)
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return post
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@router.post("/generate-image", response_model=PostResponse)
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def generate_image(request: GenerateImageRequest, db: Session = Depends(get_db)):
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"""Generate an image for a character and attach to a post."""
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# Validate character exists
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character = db.query(Character).filter(Character.id == request.character_id).first()
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if not character:
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raise HTTPException(status_code=404, detail="Character not found")
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# Get image settings
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provider_name = request.provider or _get_setting(db, "image_provider")
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api_key = _get_setting(db, "image_api_key")
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if not provider_name:
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raise HTTPException(status_code=400, detail="Image provider not configured. Set 'image_provider' in settings.")
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if not api_key:
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raise HTTPException(status_code=400, detail="Image API key not configured. Set 'image_api_key' in settings.")
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# Build prompt from character if not provided
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prompt = request.prompt
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if not prompt:
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style_hint = request.style_hint or ""
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visual_style = character.visual_style or {}
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style_desc = visual_style.get("description", "")
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prompt = (
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f"Create a social media image for {character.name}, "
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f"a content creator in the {character.niche} niche. "
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f"Style: {style_desc} {style_hint}".strip()
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)
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# Generate image
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image_provider = get_image_provider(provider_name, api_key)
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image_url = image_provider.generate(prompt, size=request.size)
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# Create a new post with the image
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post = Post(
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character_id=character.id,
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content_type="image",
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image_url=image_url,
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platform_hint="instagram",
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status="draft",
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)
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db.add(post)
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db.commit()
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db.refresh(post)
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return post
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@router.get("/posts", response_model=list[PostResponse])
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def list_posts(
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character_id: int | None = Query(None),
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status: str | None = Query(None),
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db: Session = Depends(get_db),
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):
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"""List all posts with optional filters."""
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query = db.query(Post)
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if character_id is not None:
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query = query.filter(Post.character_id == character_id)
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if status is not None:
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query = query.filter(Post.status == status)
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return query.order_by(Post.created_at.desc()).all()
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@router.get("/posts/{post_id}", response_model=PostResponse)
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def get_post(post_id: int, db: Session = Depends(get_db)):
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"""Get a single post by ID."""
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post = db.query(Post).filter(Post.id == post_id).first()
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if not post:
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raise HTTPException(status_code=404, detail="Post not found")
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return post
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@router.put("/posts/{post_id}", response_model=PostResponse)
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def update_post(post_id: int, data: PostUpdate, db: Session = Depends(get_db)):
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"""Update a post."""
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post = db.query(Post).filter(Post.id == post_id).first()
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if not post:
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raise HTTPException(status_code=404, detail="Post not found")
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update_data = data.model_dump(exclude_unset=True)
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for key, value in update_data.items():
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setattr(post, key, value)
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post.updated_at = datetime.utcnow()
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db.commit()
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db.refresh(post)
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return post
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@router.delete("/posts/{post_id}", status_code=204)
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def delete_post(post_id: int, db: Session = Depends(get_db)):
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"""Delete a post."""
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post = db.query(Post).filter(Post.id == post_id).first()
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if not post:
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raise HTTPException(status_code=404, detail="Post not found")
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db.delete(post)
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db.commit()
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@router.post("/posts/{post_id}/approve", response_model=PostResponse)
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def approve_post(post_id: int, db: Session = Depends(get_db)):
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"""Approve a post (set status to 'approved')."""
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post = db.query(Post).filter(Post.id == post_id).first()
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if not post:
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raise HTTPException(status_code=404, detail="Post not found")
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post.status = "approved"
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post.updated_at = datetime.utcnow()
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db.commit()
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db.refresh(post)
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return post
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