setup

#!/bin/bash
set -e


# project vars
hostName=ping.example.com
httpRoot=$(pwd)/httpdocs
temp=$(pwd)/tmp

# platform vars
platform=$(uname | tr [:upper:] [:lower:])

function TODO {
	log TODO $@
}

function log {
	echo "# $@"
}

if [[ "$platform" == "darwin" ]]; then
	apacheRoot=/private/etc/apache2
elif [[ "$platform" == "linux" ]]; then
	apacheRoot=/etc/apache2
else
	log "Your platform ($platform) is not supported by this script.  Please follow the manual setup instructions in README.md"
	exit 1
fi

function mysql_create_db {
	local db_name=$1
	local db_username=$2
	local db_password=$3
	local root_username=root
	log "Creating MySQL database: $db_name"
	log "You may need to enter your mysql password for username: $root_username"
	mysql -u${root_username} -p -e "DROP DATABASE IF EXISTS $db_name; CREATE DATABASE $db_name CHARACTER SET utf8; GRANT ALL PRIVILEGES ON $db_name.* TO $db_username@localhost IDENTIFIED BY '$db_password'"
	log "Database created :-)"
}

function makedir {
	local dirName=$@
	if ! [[ -d "$dirName" ]]; then
		mkdir -p $dirName
	fi
}

function confirm {
	if ! optional $@; then
		log "Please follow the manual setup steps in the README file."
		exit 1
	fi
}

function optional {
	local prompt=$@
	while true; do
		read -p "# $prompt [Y/n] " r
		if [[ $r == 'y' || $r == 'Y' || $r == '' ]]; then
			return 0
		elif [[ $r == 'n' || $r == 'N' ]]; then
			return 1
		fi
	done
}

log "Starting ping setup..."
makedir $temp

log "Updating submodules..."
git submodule update --init

log "Installing twilio packages..."
composer install || (curl -sS https://getcomposer.org/installer | php; ./composer.phar install)

log "Creating database..."
mysql_create_db pingapp pingapp pingsecret
cp application/config/database.template application/config/database.php
log "Installing the database schema using migrations..."
./minion --task=migrations:run --up

log "Setting up application config..."
cp application/config/init.template application/config/init.php
cp application/config/auth.template application/config/auth.php
cp application/config/modules.template application/config/modules.php
cp httpdocs/template.htaccess httpdocs/.htaccess

log "# Creating application working directories and assigning ownership to the web server; you may need to enter your password..."
makedir application/cache
sudo chown www-data application/cache
makedir application/logs
sudo chown www-data application/logs

if optional "Do you want to set up apache sites at $apacheRoot?"; then
	log "Setting up Apache site..."
	siteAvailable=$apacheRoot/sites-available/pingapp
	siteAvailableTmp=$temp/site-enabled
	cat > $siteAvailableTmp << EOF
<VirtualHost *:80>
	ServerAdmin ping-admin@example.com
	DocumentRoot "$httpRoot"
	ServerName $hostName
	DirectoryIndex index.php
	<Directory "$httpRoot">
		Options Indexes FollowSymlinks
		AllowOverride all
	</Directory>
</VirtualHost>
EOF
	log "Configuring apache; you may need to enter your user password..."
	sudo mv $siteAvailableTmp $siteAvailable
	a2ensite pingapp
else
	log "Please set up your apache site manually to point $hostName to $httpRoot."
fi

log "Setting up host redirect to $hostName..."
hostFile=/etc/hosts
if ! grep -q $hostName $hostFile; then
	echo "127.0.0.1 $hostName" | sudo tee -a $hostFile > /dev/null
fi

log "Enabling apache2 mod_rewrite..."
sudo a2enmod rewrite

log "Restarting apache; this may require your user password..."
if [[ platform == "darwin" ]]; then
	sudo apache2ctl -k restart
else
	sudo service apache2 restart
fi

log "Making your user directory executable to allow apache2 to serve files..."
chmod 751 ~

log "Ping setup complete."
log "App is now being served at http://$hostName"