# Helva Roboter

We build a robot with raspberry and arduino.

## Checkout Repo
    cd /opt
    git checkout https://git.dyn.mcf.at/Max/helva-robot.git

## Raspberry Face

### Install Packages
    sudo apt update
    sudo apt install -y nginx python3 python3-venv

    sudo mkdir -p /opt/face
    sudo chown -R $USER:$USER /opt/face

    python3 -m venv /opt/face/venv
    /opt/face/venv/bin/pip install --upgrade pip
    /opt/face/venv/bin/pip install fastapi uvicorn

### Exchange Nginx Web-Folder
    sudo rm -r /var/www/html
    sudo ln -s /opt/helva-robot/face/var/www/html/ /var/www/

### Permissions of Webfolder
    sudo chown -R www-data:www-data /var/www/html

### Nginx Vhost
    sudo ln -s /opt/helva-robot/face/etc/nginx/sites-available/face /etc/nginx/sites-enabled/

### Restart nginx
    sudo systemctl restart nginx

### Test Face Server
In Browser: 
http://pi-ip/

From Somewhere:
    curl -X POST http://pi-ip/api/emotion/happy
    curl -X POST http://pi-ip/api/emotion/angry
    curl -X POST http://pi-ip/api/emotion/sleepy

### systemd Service
    sudo ln -s /opt/helva-robot/face/etc/systemd/system/face.service /etc/systemd/system/

    sudo chown -R www-data:www-data /opt/face
    sudo chmod -R 755 /opt/face

Start:
    sudo systemctl daemon-reload
    sudo systemctl enable --now face.service
    sudo systemctl status face.service --no-pager