#!/bin/bash
# info: rebuild dns domain
# options: USER DOMAIN [RESTART] [UPDATE_SERIAL]
#
# The function rebuilds DNS configuration files.


#----------------------------------------------------------#
#                    Variable&Function                     #
#----------------------------------------------------------#

# Argument definition
user=$1
domain=$2
restart=$3
update_serial=$4

# Includes
source $VESTA/func/main.sh
source $VESTA/func/domain.sh
source $VESTA/func/rebuild.sh
source $VESTA/conf/vesta.conf


#----------------------------------------------------------#
#                    Verifications                         #
#----------------------------------------------------------#

check_args '2' "$#" 'USER DOMAIN [RESTART] [UPDATE_SERIAL]'
is_format_valid 'user' 'domain'
is_system_enabled "$DNS_SYSTEM" 'DNS_SYSTEM'
is_object_valid 'user' 'USER' "$user"
is_object_unsuspended 'user' 'USER' "$user"
is_object_valid 'dns' 'DOMAIN' "$domain"


#----------------------------------------------------------#
#                       Action                             #
#----------------------------------------------------------#

user_domains=0
user_records=0
suspended_dns=0
conf="$USER_DATA/dns.conf"

# Defining user name servers
ns=$(get_user_value '$NS')
i=1
for nameserver in ${ns//,/ };do
    eval ns$i="$nameserver"
    i=$((i + 1))
done

# Get dns config path
if [ -e '/etc/named.conf' ]; then
    dns_conf='/etc/named.conf'
fi

if [ -e '/etc/bind/named.conf' ]; then
    dns_conf='/etc/bind/named.conf'
fi

# Deleting old user's zone
sed -i "/\/$user\/conf\/dns\/$domain/d" $dns_conf

# Updating zone serial
if [ "$update_serial" != 'no' ]; then
    update_domain_serial
fi

# Rebuiling zone config
rebuild_dns_domain_conf


#----------------------------------------------------------#
#                       Vesta                              #
#----------------------------------------------------------#

# Updating counters
update_user_value "$user" '$U_DNS_DOMAINS' "$user_domains"
update_user_value "$user" '$U_DNS_RECORDS' "$user_records"
update_user_value "$user" '$SUSPENDED_DNS' "$suspended_dns"

# Restarting named
$BIN/v-restart-dns $restart
check_result $? "Bind restart failed" >/dev/null

# Logging
log_event "$OK" "$ARGUMENTS"

exit