update_app.sh

#!/bin/bash
read -p "Enter the folder name of the previous version (ex. geopaysages) "  app_dir_name
read -p "Enter version tag (ex: v1.0.0-rc.3.4): "  version
read -r -p "Start update to version $version? [y/N] " response
if [[ "$response" =~ ^([yY][eE][sS]|[yY])+$ ]]; then
    cd "../"
	
	version_number=${version:1}
	new_app_dir_name="GeoPaysages-$version_number"
	
	if [ ! -d "$new_app_dir_name" ]; then
		if [ ! -f "$version.zip" ]; then
			wget "https://github.com/PnX-SI/GeoPaysages/archive/$version.zip"
		fi
		unzip "$version.zip"
	fi

    echo "Version $version ready to install."
    read -r -p "Do you want to continue? [y/N] " response
    if [[ "$response" =~ ^([yY][eE][sS]|[yY])+$ ]]; then
		echo "Copy custom config"
		cp "$app_dir_name/backend/config.py" "$new_app_dir_name/backend/config.py"
		echo "Copy custom css and images"
		cp -r "$app_dir_name/backend/static/custom" "$new_app_dir_name/backend/static"
		echo "Copy backoffice config"
		cp "$app_dir_name/front-backOffice/src/app/config.ts" "$new_app_dir_name/front-backOffice/src/app"
		
		echo "Install backoffice"
		cd "$new_app_dir_name/front-backOffice/"
		npm install
		ng build --prod --base-href /app_admin/
		mkdir -p "../../app_admin-$version"
		cp -r ./dist/front-backOffice/* "../../app_admin-$version/"
		cd ../../
		
		now=$(date +"%Y%m%d%H%M")
		prev_app_dir_name="$app_dir_name-$now"
		echo "Backup prev version to $prev_app_dir_name"	
		mv "./$app_dir_name" "./$prev_app_dir_name"
		mv "./$new_app_dir_name" "./$app_dir_name"

		echo "Creating and activating virtual env"
		cd $app_dir_name
		python3 -m venv ./venv 

		echo "Installing requirements"
		source ./venv/bin/activate
		pip install wheel
		pip install -r ./backend/requirements.txt

		cd ./backend/i18n
		for lang in */; do
			lang=${lang: : -1}
			dir="$lang/LC_MESSAGES"
			filename="messages.po"
			old_path="$prev_app_dir_name/backend/i18n/$dir/$filename"
			if test -f $old_path; then
				old_dest="$dir/old_$filename"
				cp $old_path $old_dest
				msgcat $old_dest "$dir/$filename" -o "$dir/$filename" --use-first
			fi
		done
		pybabel compile -d ./

		deactivate
		cd ../../../
		echo "Restart"
		sudo service supervisor restart

		echo "Backup prev backoffice to app_admin-$version"	
		mv ./app_admin "./app_admin-$now"
		mv "./app_admin-$version" ./app_admin
    fi
fi