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server_simple.py

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+# server_simple.py - упрощенная версия без Jinja2
+import re
+import json
+from datetime import datetime
+from pathlib import Path
+from fastapi import FastAPI, Form
+from fastapi.responses import HTMLResponse, JSONResponse
+from fastapi.staticfiles import StaticFiles
+
+# ==================== КОНФИГУРАЦИЯ ====================
+HOST = "0.0.0.0"
+PORT = 8000
+
+BASE_DIR = Path(__file__).parent
+STATIC_DIR = BASE_DIR / "static"
+DATA_DIR = BASE_DIR / "data"
+
+STATIC_DIR.mkdir(exist_ok=True)
+DATA_DIR.mkdir(exist_ok=True)
+(STATIC_DIR / "css").mkdir(exist_ok=True)
+(STATIC_DIR / "js").mkdir(exist_ok=True)
+
+app = FastAPI()
+app.mount("/static", StaticFiles(directory=str(STATIC_DIR)), name="static")
+
+# Читаем HTML файл
+HTML_FILE = BASE_DIR / "templates" / "index.html"
+
+
+def save_registration_to_file(data: dict) -> dict:
+    filepath = DATA_DIR / "registrations.json"
+    registrations = []
+    if filepath.exists():
+        try:
+            with open(filepath, 'r', encoding='utf-8') as f:
+                registrations = json.load(f)
+        except:
+            registrations = []
+
+    new_record = {
+        "id": len(registrations) + 1,
+        "created_at": datetime.now().isoformat(),
+        **data,
+        "status": "pending"
+    }
+    registrations.append(new_record)
+    with open(filepath, 'w', encoding='utf-8') as f:
+        json.dump(registrations, f, ensure_ascii=False, indent=2)
+    return new_record
+
+
+@app.get("/", response_class=HTMLResponse)
+async def get_landing_page():
+    if HTML_FILE.exists():
+        with open(HTML_FILE, 'r', encoding='utf-8') as f:
+            return HTMLResponse(content=f.read())
+    else:
+        return HTMLResponse(content="<h1>Файл templates/index.html не найден</h1>")
+
+
+@app.post("/api/register")
+async def register(
+        fullname: str = Form(...),
+        email: str = Form(...),
+        phone: str = Form(...),
+        company: str = Form(...),
+        businessSize: str = Form(""),
+        message: str = Form(""),
+        agree: bool = Form(False)
+):
+    if not agree:
+        return JSONResponse(status_code=400, content={"success": False, "message": "Необходимо согласие"})
+
+    data = {
+        "fullname": fullname.strip(),
+        "email": email.strip().lower(),
+        "phone": phone.strip(),
+        "company": company.strip(),
+        "businessSize": businessSize,
+        "message": message.strip(),
+    }
+
+    try:
+        save_registration_to_file(data)
+        return JSONResponse(content={"success": True, "message": "Заявка отправлена!"})
+    except Exception as e:
+        return JSONResponse(status_code=500, content={"success": False, "message": str(e)})
+
+
+@app.get("/admin/registrations", response_class=HTMLResponse)
+async def admin_registrations():
+    filepath = DATA_DIR / "registrations.json"
+    registrations = []
+    if filepath.exists():
+        with open(filepath, 'r', encoding='utf-8') as f:
+            registrations = json.load(f)
+
+    html = "<h1>Заявки</h1><table border='1'>"
+    for r in registrations:
+        html += f"<tr><td>{r.get('fullname')}</td><td>{r.get('email')}</td></tr>"
+    html += "</table><a href='/'>Назад</a>"
+    return HTMLResponse(content=html)
+
+
+if __name__ == "__main__":
+    import uvicorn
+
+    uvicorn.run(app, host=HOST, port=PORT)