postinst

#!/bin/bash -e

#DEBHELPER#
# Include alternc function (and mysql)
. /usr/lib/alternc/functions.sh

function list_php_version() {
	if [[ $1 == "short" ]]; then
		php_list=$(echo /usr/sbin/php-fpm* | fmt -1 | grep -oE '[0-9]+\.[0-9]+' |sed 's/[^0-9]*//g')
	else
		php_list=$(echo /usr/sbin/php-fpm* | fmt -1 | grep -oE '[0-9]+\.[0-9]+')
	fi

	echo "$php_list"
}

function remove_old_php_template() {
	template_target_path="/etc/alternc/templates/php/"
	find $template_target_path -regex "${template_target_path}fpm-[0-9]\.[0-9]" -delete
	printf "\tAll old php-fpm template are deleted\n"
}

function remove_domains_type() {
        alternc_version=$1
        template_target_path="/etc/alternc/templates/apache2/"
        php_version_short_list=$(list_php_version "short")
        sql=""

        ##Retrieve only php-fpm templates
        for template_path_file in "$template_target_path"*-fpm.conf
        do
			template_file=$(basename "$template_path_file")
			if [[ $template_file =~ ^php[[:digit:]]+.* ]]; then
				php_version_short=${template_file//[^[:digit:]]}

				#Template found without their php version
				if [[ ! ${php_version_short_list[*]} =~ (^|[[:space:]])$php_version_short($|[[:space:]]) ]]; then
					rm "$template_path_file"
					type_name="php$php_version_short-fpm"
					sql="$sql \
					DELETE FROM domaines_type WHERE \
						name='$type_name' \
					;"
				fi
			fi
        done

		mysql --defaults-file=/etc/alternc/my.cnf -e "$sql"
}

function generate_template_apache() {
	alternc_version=$1
	template_apache_path="/etc/alternc/templates/3.5/apache2/"

	php_list=$(list_php_version)

	if dpkg --compare-versions "${alternc_version:-0}" "<<" "3.5"; then
		template_apache_path="/etc/alternc/templates/3.3/apache2/"
	fi

	for php_version in $php_list
	do
		php_version_short=${php_version//./}
		for template_source_path in "$template_apache_path"*
		do
			template_source_name=$(basename "$template_source_path")
			template_target_path=/etc/alternc/templates/apache2/${template_source_name//php-/php$php_version_short-}
			cp -n "$template_source_path" "$template_target_path" || true
			sed -i "$template_target_path" -e "s/%%PHPVERSION%%/$php_version/"
		done
	done
}


function generate_domains_type() {
	alternc_version=$1
	php_list=$(list_php_version)
	sql=""
	sql_in=""
	set_default=""

	##Set https option only if column is present
	##During upgrade process from <3.5, schema is not yet updated
    if [[ -n $(mysql_query "SHOW COLUMNS FROM domaines_type LIKE 'has_https_option';") ]]; then
        set_default="has_https_option=1,"
    fi

	#If any php, nothing to do
	if [[ -z "${php_list}" ]]; then
		return 0;
	fi

	for php_version in $php_list
	do
		type_name="php${php_version/[^0-9]/}-fpm"
		sql="$sql \
			INSERT IGNORE INTO domaines_type SET \
				name='$type_name', \
				description='PHP $php_version FPM', \
				target='DIRECTORY', \
				entry='%SUB% IN A @@PUBLIC_IP@@', \
				compatibility='txt,defmx,defmx2,mx,mx2', \
				enable='ALL', \
				need_dns=0, \
				$set_default \
				create_targetdir=1 \
			;"
		sql_in="$sql_in,'$type_name'"
	done

	sql="$sql\
		UPDATE sub_domaines SET web_action='UPDATE' WHERE type IN (${sql_in/,/});
	"

	mysql --defaults-file=/etc/alternc/my.cnf -e "$sql"
}


alternc_version=$(dpkg-query --showformat='${Version}\n' --show alternc)
printf "Alternc PHP FPM\n"

case "$1" in
    configure)
	printf "\tEnabling apache modules\n"
	a2enmod proxy_fcgi setenvif
	service apache2 restart
	printf "\tGenerating related apache template\n"
	generate_template_apache "$alternc_version"
	printf "\tClean php-fpm templates\n"
	remove_old_php_template
	printf "\tInstall php-fpm type\n"
	generate_domains_type "$alternc_version"
	printf "\tRemove unused php-fpm version\n"
	remove_domains_type "$alternc_version"
	printf "\tGenerate php fpm configuration...\n"
	/usr/lib/alternc/php7-fpm force
	;;

    triggered)
	printf "\tGenerating related apache template\n"
	generate_template_apache "$alternc_version"
	printf "\tUpdate php-fpm type\n"
	generate_domains_type "$alternc_version"
	printf "\tRemove unused php-fpm version\n"
	remove_domains_type "$alternc_version"
	printf "\tGenerate php fpm configuration...\n"
	/usr/lib/alternc/php7-fpm force
    ;;

esac

# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.
#DEBHELPER#