news_python_react_app/launch.bat at main · TheSicknesszar/news_python_react_app · GitHub

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@echo off
:: =============================================================================
:: 1-CLICK LAUNCHER for News App (Python + React)
:: - Byron's Modular Workflow (Dec 2025)
:: - Checks/creates .venv, installs deps, launches backend + frontend
:: =============================================================================
setlocal enabledelayedexpansion

echo [+] Initializing News App Launcher...
echo [+] Project root: %~dp0
cd /d "%~dp0"

:: === STEP 1: Python Virtual Environment ===
echo.
echo [*] Checking Python virtual environment (.venv)...
if exist ".venv\Scripts\activate.bat" (
    echo [+] .venv found. Activating...
    call ".venv\Scripts\activate.bat"
) else (
    echo [-] .venv not found. Creating...
    python -m venv .venv
    if errorlevel 1 (
        echo [!] ERROR: Failed to create .venv. Is Python installed?
        echo     Try: python --version
        pause
        exit /b 1
    )
    call ".venv\Scripts\activate.bat"
    echo [+] .venv created and activated.
)

:: === STEP 2: Install/Update Python Dependencies ===
echo.
echo [*] Checking Python dependencies...
pip install -r requirements.txt --upgrade
if errorlevel 1 (
    echo [!] ERROR: Failed to install Python requirements.
    pause
    exit /b 1
)
echo [+] Python dependencies ready.

:: === STEP 3: Launch Backend (FastAPI) in Background ===
echo.
echo [*] Starting backend (FastAPI) on http://127.0.0.1:8000 ...
start "FastAPI Backend" cmd /c "python main.py"
timeout /t 3 /nobreak >nul

:: Verify backend is responsive
echo [*] Verifying backend health...
powershell -Command ^
    "$ErrorActionPreference='Stop';" ^
    "try {" ^
    "  $res = Invoke-WebRequest -Uri 'http://127.0.0.1:8000/api/news' -TimeoutSec 5;" ^
    "  if ($res.StatusCode -eq 200) { exit 0 } else { exit 1 }" ^
    "} catch { exit 1 }"

if errorlevel 1 (
    echo [!] WARNING: Backend may not be ready. Check console window.
    echo     (It may still start — proceeding...)
) else (
    echo [+] Backend is healthy.
)

:: === STEP 4: Node.js & Frontend ===
cd /d "%~dp0\frontend"

echo.
echo [*] Checking Node.js installation...
node --version >nul 2>&1
if errorlevel 1 (
    echo [!] ERROR: Node.js not found. Install from https://nodejs.org
    pause
    exit /b 1
)
echo [+] Node.js detected.

echo [*] Installing/updating frontend dependencies...
npm install --no-fund --no-audit --loglevel=error
if errorlevel 1 (
    echo [!] ERROR: Failed to install Node.js dependencies.
    pause
    exit /b 1
)
echo [+] Frontend dependencies ready.

:: === STEP 5: Launch Frontend ===
echo.
echo [+] Launching React frontend on http://127.0.0.1:3000 ...
echo.
echo ┌──────────────────────────────────────────────────────┐
echo │ ✅ LAUNCH COMPLETE!                                  │
echo │ • Backend:   http://127.0.0.1:8000/docs              │
echo │ • Frontend:  http://127.0.0.1:3000                   │
echo │ • To stop: Close both console windows.              │
echo └──────────────────────────────────────────────────────┘
echo.

:: Open browser (optional — comment out if undesired)
start http://127.0.0.1:3000

:: Start frontend in current window (keeps launcher alive)
npm run dev

:: Cleanup (won’t run unless script is killed)
endlocal