feat: 视觉记录系统 v1.0.0 - 摄像头定时拍照+智能分析+Web界面

web/app.py

@@ -0,0 +1,158 @@
+"""
+Web 后端 - FastAPI
+"""
+from fastapi import FastAPI, HTTPException
+from fastapi.staticfiles import StaticFiles
+from fastapi.responses import FileResponse, HTMLResponse
+from pathlib import Path
+import uvicorn
+import json
+
+from config import WEB_PORT, WEB_HOST, IMAGES_DIR
+from database import db
+from scheduler import scheduler
+from camera import list_available_cameras, CameraCapture
+
+
+# 创建应用
+app = FastAPI(title="视觉记录系统")
+
+# 静态文件目录
+STATIC_DIR = Path(__file__).parent / "static"
+app.mount("/static", StaticFiles(directory=str(STATIC_DIR)), name="static")
+app.mount("/images", StaticFiles(directory=str(IMAGES_DIR)), name="images")
+
+
+# ============== 页面路由 ==============
+
+@app.get("/", response_class=HTMLResponse)
+async def index():
+    """主页"""
+    index_file = STATIC_DIR / "index.html"
+    if index_file.exists():
+        return FileResponse(str(index_file))
+    return HTMLResponse("<h1>请创建 index.html</h1>")
+
+
+# ============== API 路由 ==============
+
+@app.get("/api/status")
+async def get_status():
+    """获取系统状态"""
+    stats = db.get_stats()
+    scheduler_status = scheduler.get_status()
+    
+    return {
+        "scheduler": scheduler_status,
+        "stats": stats
+    }
+
+
+@app.get("/api/cameras")
+async def get_cameras():
+    """获取可用摄像头"""
+    cameras = list_available_cameras()
+    details = []
+    for cam_index in cameras:
+        cam = CameraCapture(cam_index)
+        details.append(cam.get_camera_info())
+        cam.close()
+    return {"cameras": details}
+
+
+@app.post("/api/scheduler/start")
+async def start_scheduler(interval: int = None, auto_analyze: bool = None):
+    """启动定时拍照"""
+    result = scheduler.start(interval=interval, auto_analyze=auto_analyze)
+    if not result['success']:
+        raise HTTPException(status_code=400, detail=result['error'])
+    return result
+
+
+@app.post("/api/scheduler/stop")
+async def stop_scheduler():
+    """停止定时拍照"""
+    return scheduler.stop()
+
+
+@app.post("/api/scheduler/interval")
+async def set_interval(interval: int):
+    """设置拍照间隔"""
+    return scheduler.set_interval(interval)
+
+
+@app.post("/api/capture")
+async def capture_now():
+    """立即拍照"""
+    result = scheduler.capture_now()
+    if not result['success']:
+        raise HTTPException(status_code=500, detail=result['error'])
+    return result
+
+
+@app.post("/api/analyze/{image_id}")
+async def analyze_image(image_id: int):
+    """分析指定图片"""
+    result = scheduler.analyze_now(image_id)
+    if not result['success']:
+        raise HTTPException(status_code=500, detail=result['error'])
+    return result
+
+
+@app.post("/api/analyze/unanalyzed")
+async def analyze_unanalyzed():
+    """分析所有未分析的图片"""
+    results = scheduler.analyze_unanalyzed()
+    return {"results": results}
+
+
+@app.get("/api/images")
+async def get_images(limit: int = 50, offset: int = 0, analyzed_only: bool = False):
+    """获取图片列表"""
+    images = db.get_images(limit=limit, offset=offset, analyzed_only=analyzed_only)
+    return {"images": images, "total": len(images)}
+
+
+@app.get("/api/images/{image_id}")
+async def get_image(image_id: int):
+    """获取单个图片详情"""
+    image = db.get_image_by_id(image_id)
+    if not image:
+        raise HTTPException(status_code=404, detail="图片不存在")
+    
+    events = db.get_events_by_image(image_id)
+    image['events'] = events
+    return image
+
+
+@app.delete("/api/images/{image_id}")
+async def delete_image(image_id: int):
+    """删除图片"""
+    success = db.delete_image(image_id)
+    if not success:
+        raise HTTPException(status_code=404, detail="图片不存在")
+    return {"success": True}
+
+
+@app.get("/api/events")
+async def get_events(limit: int = 50, offset: int = 0, event_type: str = None):
+    """获取事件列表"""
+    events = db.get_events(limit=limit, offset=offset, event_type=event_type)
+    return {"events": events, "total": len(events)}
+
+
+@app.get("/api/stats")
+async def get_stats():
+    """获取统计信息"""
+    return db.get_stats()
+
+
+# ============== 启动 ==============
+
+def run_web():
+    """启动 Web 服务"""
+    uvicorn.run(app, host=WEB_HOST, port=WEB_PORT)
+
+
+if __name__ == "__main__":
+    run_web()