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#!/usr/bin/env sh
## **Config file should have the following:
## #Config
## ## Starting balance
## bal="00.00"
##
## ## Postgres
## ### Database user
## dbuser="ddbank"
## ### Database Port
## dbport="5432"
## ### Datavase host
## dbhost="knd-db01.kniod.corp"
## ### Database name
## datab="ddbank"
## db_conn="psql -h $dbhost -p $dbport -U $dbuser -d $datab -c"
source $HOME/git/knd-ddbank/ddbank_config
# Functions
new_account() {
clear
read -p "Enter the name of your account: " user1
echo ""
echo "Your account name will be $user1."
echo ""
read -n1 -p "Is that correct? [y/N] " yn
case $yn in
# If user selects yes. Insert their username and a timestamp into the database.
[Yy] ) $db_conn "insert into account (username,timestamp) values ('$user1','now');" &>/dev/null || echo "Username already taken.";
# Sets the user's id as the variable.
user1_id=$($db_conn "select id from account where username='$user1';" | awk 'FNR == 3 {print}')
# Gives the user the starting balance.
$db_conn "insert into balance (id,balance) values ('$user1_id',$bal);" &>/dev/null
# Pulls the user's account and ID for awk'ing
user_account=$($db_conn "select id,username from account;" | grep $user1_id)
echo ""
acc_id=$(echo "$user_account" | awk -F\| '{print $1}')
acc_name=$(echo "$user_account" | awk -F\| '{print $2}')
echo "Account name: $acc_name"
echo "Account ID: $acc_id"
;;
# If the user selects anything other than [Yy]
* ) echo "Aborted"
;;
esac
}
list_user() {
echo ""
$db_conn "select * from account;"
echo ""
}
list_balance() {
# Bal Menu
clear
while true
do
echo ""
echo "1) List all users balances."
echo "2) Exact User Search"
echo "3) User Search"
echo ""
echo "0) Go back."
echo ""
read -n1 -p "*Balance Menu: Select from the above: " ii
echo ""
case $ii in
1 ) clear
$db_conn "select id,username,balance from account join balance using (id);" ;;
2 ) read -p "Enter the user account name: " ex_mat
$db_conn "select id,username,balance from account join balance using (id) where username='$ex_mat';" ;;
3 ) read -p "Enter search term: " bal_user
bal_user1=$($db_conn "select id,username,balance from account join balance using (id);")
echo "$bal_user1" | awk 'FNR == 1 {print}'
echo "$bal_user1" | grep -iE "$bal_user"
echo "" ;;
[0q] ) break ;;
esac
done
}
bank_menu() {
clear
while true
do
echo ""
echo "1) Withdraw"
echo "2) Deposit"
echo "3) Transfer"
echo "4) Quick balance check"
echo ""
echo "0) Go Back"
echo ""
read -n1 -p "*Banking Menu: Select from the above: " ii_bank
echo ""
case $ii_bank in
[0q] ) break ;;
1 ) read -p "Withdraw from user: " with_user
read -p "Amount to withdraw: " with_amt
LAST_USER=$with_user
## Not sure why this was here...
#echo "$with_user" | awk 'FNR == 1 {print}'
# Grabs the current amount the user has stored in the database.
with_1_amt=$($db_conn "select id,username,balance from account join balance using (id) where username='$with_user';"| awk 'FNR == 3' | awk -F\| '{print $3}')
# This grabs the user's ID to use on the balance table.
with_user_id=$($db_conn "select id,username,balance from account join balance using (id) where username='$with_user';" | awk 'FNR == 3' | awk -F\| '{print $1}')
# Does the math to minus the withdraw.
with_new_amt=$($db_conn "select balance - '$with_amt' from balance where id = '$with_user_id';" | awk 'FNR ==3')
# Updates the database with the new amount.
$db_conn "update balance set balance = '$with_new_amt' where id = '$with_user_id';"
;;
2 ) read -p "Deposit to user: " depo_user
read -p "Amount to deposit: " depo_amt
LAST_USER=$depo_user
depo_1_amt=$($db_conn "select id,username,balance from account join balance using (id) where username='$depo_user';"| awk 'FNR == 3' | awk -F\| '{print $3}')
# This grabs the user's ID to use on the balance table.
depo_user_id=$($db_conn "select id,username,balance from account join balance using (id) where username='$depo_user';" | awk 'FNR == 3' | awk -F\| '{print $1}')
# Does the math to add the withdraw.
depo_new_amt=$($db_conn "select balance + '$depo_amt' from balance where id = '$depo_user_id';" | awk 'FNR ==3')
# Updates the database with the new amount.
$db_conn "update balance set balance = '$depo_new_amt' where id = '$depo_user_id';" ;;
3 ) read -p "Transfer from user: " tran_user1
read -p "Transer to user: " tran_user2
read -p "Amount to transfer: " tran_amt
# Grabs user IDs.
tran_user1_id=$($db_conn "select id,username,balance from account join balance using (id) where username='$tran_user1';" | awk 'FNR == 3' | awk -F\| '{print $1}')
tran_user2_id=$($db_conn "select id,username,balance from account join balance using (id) where username='$tran_user2';" | awk 'FNR == 3' | awk -F\| '{print $1}')
# Does the math to complete the transfer.
tran1_new_amt=$($db_conn "select balance - '$tran_amt' from balance where id = '$tran_user1_id';" | awk 'FNR ==3')
tran2_new_amt=$($db_conn "select balance + '$tran_amt' from balance where id = '$tran_user2_id';" | awk 'FNR ==3')
# Updates the database with the new amounts.
$db_conn "update balance set balance = '$tran1_new_amt' where id = '$tran_user1_id';"
$db_conn "update balance set balance = '$tran2_new_amt' where id = '$tran_user2_id';" ;;
4 ) $db_conn "select id,username,balance from account join balance using (id) where username='$LAST_USER';" ;;
* ) clear ;;
esac
done
}
clear
while true
do
# Main Menu
echo ""
echo "DDBank Main Menu: "
echo "1) Create new user account."
echo "2) List user accounts."
echo "3) List user(s) balance."
echo "4) Banking Menu (Deposit, withdraw, transfer)"
echo ""
echo "9) Clear contents of screen"
echo "0) Exit"
echo ""
read -p "Select from the menu above: " -n1 i
case $i in
1 ) new_account ;;
2 ) list_user ;;
3 ) list_balance ;;
4 ) bank_menu ;;
9 ) clear ;;
0 ) break ;;
* ) clear ;;
esac
done
#if [ $i == 1 ]; then {
# new_account
#} else {
# echo "Some other thing..."
#} fi