from fastapi import APIRouter, Depends, HTTPException, status, Query, Request, UploadFile, File from sqlalchemy.orm import Session from sqlalchemy import and_, or_ from typing import Optional from datetime import datetime from pathlib import Path import os import aiofiles import uuid from ..config.database import get_db from ..middleware.auth import get_current_user, authorize_roles from ..models.user import User from ..models.banner import Banner router = APIRouter(prefix='/banners', tags=['banners']) def normalize_image_url(image_url: str, base_url: str) -> str: if not image_url: return image_url if image_url.startswith('http://') or image_url.startswith('https://'): return image_url if image_url.startswith('/'): return f'{base_url}{image_url}' return f'{base_url}/{image_url}' def get_base_url(request: Request) -> str: return os.getenv('SERVER_URL') or f'http://{request.headers.get('host', 'localhost:3000')}' @router.get('/') async def get_banners(request: Request, position: Optional[str]=Query(None), db: Session=Depends(get_db)): try: query = db.query(Banner).filter(Banner.is_active == True) if position: query = query.filter(Banner.position == position) now = datetime.utcnow() query = query.filter(or_(Banner.start_date == None, Banner.start_date <= now)).filter(or_(Banner.end_date == None, Banner.end_date >= now)) banners = query.order_by(Banner.display_order.asc(), Banner.created_at.desc()).all() base_url = get_base_url(request) result = [] for banner in banners: banner_dict = {'id': banner.id, 'title': banner.title, 'description': banner.description, 'image_url': normalize_image_url(banner.image_url, base_url), 'link_url': banner.link_url, 'position': banner.position, 'display_order': banner.display_order, 'is_active': banner.is_active, 'start_date': banner.start_date.isoformat() if banner.start_date else None, 'end_date': banner.end_date.isoformat() if banner.end_date else None, 'created_at': banner.created_at.isoformat() if banner.created_at else None} result.append(banner_dict) return {'status': 'success', 'data': {'banners': result}} except Exception as e: raise HTTPException(status_code=500, detail=str(e)) @router.get('/{id}') async def get_banner_by_id(id: int, request: Request, db: Session=Depends(get_db)): try: banner = db.query(Banner).filter(Banner.id == id).first() if not banner: raise HTTPException(status_code=404, detail='Banner not found') base_url = get_base_url(request) banner_dict = {'id': banner.id, 'title': banner.title, 'description': banner.description, 'image_url': normalize_image_url(banner.image_url, base_url), 'link_url': banner.link_url, 'position': banner.position, 'display_order': banner.display_order, 'is_active': banner.is_active, 'start_date': banner.start_date.isoformat() if banner.start_date else None, 'end_date': banner.end_date.isoformat() if banner.end_date else None, 'created_at': banner.created_at.isoformat() if banner.created_at else None} return {'status': 'success', 'data': {'banner': banner_dict}} except HTTPException: raise except Exception as e: raise HTTPException(status_code=500, detail=str(e)) @router.post('/', dependencies=[Depends(authorize_roles('admin'))]) async def create_banner(banner_data: dict, current_user: User=Depends(authorize_roles('admin')), db: Session=Depends(get_db)): try: banner = Banner(title=banner_data.get('title'), description=banner_data.get('description'), image_url=banner_data.get('image_url'), link_url=banner_data.get('link'), position=banner_data.get('position', 'home'), display_order=banner_data.get('display_order', 0), is_active=True, start_date=datetime.fromisoformat(banner_data['start_date'].replace('Z', '+00:00')) if banner_data.get('start_date') else None, end_date=datetime.fromisoformat(banner_data['end_date'].replace('Z', '+00:00')) if banner_data.get('end_date') else None) db.add(banner) db.commit() db.refresh(banner) return {'status': 'success', 'message': 'Banner created successfully', 'data': {'banner': banner}} except Exception as e: db.rollback() raise HTTPException(status_code=500, detail=str(e)) @router.put('/{id}', dependencies=[Depends(authorize_roles('admin'))]) async def update_banner(id: int, banner_data: dict, current_user: User=Depends(authorize_roles('admin')), db: Session=Depends(get_db)): try: banner = db.query(Banner).filter(Banner.id == id).first() if not banner: raise HTTPException(status_code=404, detail='Banner not found') if 'title' in banner_data: banner.title = banner_data['title'] if 'description' in banner_data: banner.description = banner_data['description'] if 'image_url' in banner_data: banner.image_url = banner_data['image_url'] if 'link' in banner_data: banner.link_url = banner_data['link'] if 'position' in banner_data: banner.position = banner_data['position'] if 'display_order' in banner_data: banner.display_order = banner_data['display_order'] if 'is_active' in banner_data: banner.is_active = banner_data['is_active'] if 'start_date' in banner_data: banner.start_date = datetime.fromisoformat(banner_data['start_date'].replace('Z', '+00:00')) if banner_data['start_date'] else None if 'end_date' in banner_data: banner.end_date = datetime.fromisoformat(banner_data['end_date'].replace('Z', '+00:00')) if banner_data['end_date'] else None db.commit() db.refresh(banner) return {'status': 'success', 'message': 'Banner updated successfully', 'data': {'banner': banner}} except HTTPException: raise except Exception as e: db.rollback() raise HTTPException(status_code=500, detail=str(e)) @router.delete('/{id}', dependencies=[Depends(authorize_roles('admin'))]) async def delete_banner(id: int, current_user: User=Depends(authorize_roles('admin')), db: Session=Depends(get_db)): try: banner = db.query(Banner).filter(Banner.id == id).first() if not banner: raise HTTPException(status_code=404, detail='Banner not found') if banner.image_url and banner.image_url.startswith('/uploads/banners/'): file_path = Path(__file__).parent.parent.parent / 'uploads' / 'banners' / Path(banner.image_url).name if file_path.exists(): file_path.unlink() db.delete(banner) db.commit() return {'status': 'success', 'message': 'Banner deleted successfully'} except HTTPException: raise except Exception as e: db.rollback() raise HTTPException(status_code=500, detail=str(e)) @router.post('/upload', dependencies=[Depends(authorize_roles('admin'))]) async def upload_banner_image(request: Request, image: UploadFile=File(...), current_user: User=Depends(authorize_roles('admin'))): try: if not image: raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail='No file provided') if not image.content_type or not image.content_type.startswith('image/'): raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail=f'File must be an image. Received: {image.content_type}') if not image.filename: raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail='Filename is required') upload_dir = Path(__file__).parent.parent.parent / 'uploads' / 'banners' upload_dir.mkdir(parents=True, exist_ok=True) ext = Path(image.filename).suffix or '.jpg' filename = f'banner-{uuid.uuid4()}{ext}' file_path = upload_dir / filename async with aiofiles.open(file_path, 'wb') as f: content = await image.read() if not content: raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail='File is empty') await f.write(content) image_url = f'/uploads/banners/{filename}' base_url = get_base_url(request) full_url = normalize_image_url(image_url, base_url) return {'success': True, 'status': 'success', 'message': 'Image uploaded successfully', 'data': {'image_url': image_url, 'full_url': full_url}} except HTTPException: raise except Exception as e: raise HTTPException(status_code=500, detail=str(e))