#!/bin/bash

# based on example code from
# http://blog.larik.nl:80/articles/2006/03/13/upgrade-your-postgresql-databases-to-unicode
# by frodo larik / blog.larik.nl

db=freeside

# This script updates all dbs to use unicode

dbhost='localhost'
username='freeside'
#odir=${HOME}/freeside_unicode_upgrade
odir=/home/ivan/FREESIDE_unicode_upgrade

if [ "${db}X" == "X" ]
then
   echo "I need a db for host ${dbhost} and username ${username} $db" 
   exit
fi

if [ ! -d $odir ]
then
   mkdir $odir || exit "Exit at mkdir" 
fi

#echo -n "Enter a comma-separated list of country codes to keep [US,CA]:"
#countries=`line`
#if [ "${countries}X" == "X" ]
#then
#  countries='US,CA'
#fi

echo "delete from cust_main_county where 0 = ( select count(*) from cust_main where cust_main_county.country = cust_main.country );" | su freeside -c 'psql freeside'

dump_sql=${odir}/${db}_out.sql
conv_sql=${odir}/${db}_conv.sql
result_sql=${odir}/${db}_result.txt
sql_diff=${odir}/${db}.diff

# 0. stop

/etc/init.d/freeside stop || die "can't stop freeside"
/etc/init.d/apache stop || die "can't stop apache"
/etc/init.d/apache2 stop || die "can't stop apache"

echo "Dumping $db database to $dump_sql"

su $username -c "pg_dump --host=$dbhost --username=$username -D --format=p $db" >$dump_sql || exit "exit at pg_dump"

echo "Removing invalid characters from the dump"

iconv -c -f UTF-8 -t UTF-8 ${dump_sql} > ${conv_sql}  || exit "exit at iconv"

echo "*** Making a diff from the dump: check $sql_diff ***"

diff $dump_sql $conv_sql > $sql_diff

echo "Removing current database"

su $freeside -c "dropdb --host=$dbhost --username=$username $db" || exit "exit at dropdb"

echo "Creating a new databse"

su freeside -c "createdb --encoding='unicode' --host=$dbhost --username=$username $db" || exit "exit at createdb"

echo "Loading data into new database"
su freeside -c "psql -f $conv_sql -o $result_sql -h $dbhost -U $username $db" || exit "exit at psql ${extra_string}" 

# 99. 
/etc/init.d/freeside start || die "oh no, can't start freeside"
/etc/init.d/apache start || die "oh no, can't start apache"