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Format code with google-java-format #4

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80 changes: 38 additions & 42 deletions src/SqlQuery.java
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Original file line number Diff line number Diff line change
@@ -1,57 +1,53 @@


import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;

public class SqlQuery {
public static ResultSet getResult(String query) {
public static ResultSet getResult(String query) {

try {
Class.forName("com.mysql.cj.jdbc.Driver");
Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/atm", "root", "root");
Statement stmt = con.createStatement();
return stmt.executeQuery(query);

} catch (Exception e) {
return null;
}
try {
Class.forName("com.mysql.cj.jdbc.Driver");
Connection con =
DriverManager.getConnection("jdbc:mysql://localhost:3306/atm", "root", "root");
Statement stmt = con.createStatement();
return stmt.executeQuery(query);

} catch (Exception e) {
return null;
}
}

//todo: fonksiyon bool veri döndürmeli
public static void UpdateData(String query) {

try {
Class.forName("com.mysql.cj.jdbc.Driver");
Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/atm", "root", "root");
Statement stmt = con.createStatement();
stmt.executeUpdate(query);
// todo: fonksiyon bool veri döndürmeli
public static void UpdateData(String query) {

try {
Class.forName("com.mysql.cj.jdbc.Driver");
Connection con =
DriverManager.getConnection("jdbc:mysql://localhost:3306/atm", "root", "root");
Statement stmt = con.createStatement();
stmt.executeUpdate(query);

} catch (Exception e) {
e.printStackTrace();
}

} catch (Exception e) {
e.printStackTrace();
}

public static String StringGetSQL(String query, String label) {
String temp = null;
try {
Class.forName("com.mysql.cj.jdbc.Driver");
Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/atm", "root", "root");
Statement stmt = con.createStatement();
ResultSet rs = stmt.executeQuery(query);
while (rs.next()) {
temp = rs.getString(label);
}

} catch (Exception e) {
e.printStackTrace();
}
return temp;
}

public static String StringGetSQL(String query, String label) {
String temp = null;
try {
Class.forName("com.mysql.cj.jdbc.Driver");
Connection con =
DriverManager.getConnection("jdbc:mysql://localhost:3306/atm", "root", "root");
Statement stmt = con.createStatement();
ResultSet rs = stmt.executeQuery(query);
while (rs.next()) {
temp = rs.getString(label);
}

} catch (Exception e) {
e.printStackTrace();
}

return temp;
}
}

223 changes: 106 additions & 117 deletions src/Transactions.java
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Original file line number Diff line number Diff line change
@@ -1,139 +1,128 @@


public class Transactions {

//hata: eger fonksiyon exception verirse sorun olabilir
private static double stringToDouble(String text) {
//handle in 5 usages that if catch statement works, return an escape integer
double val = 0;
try {

val = Double.parseDouble(text);
// hata: eger fonksiyon exception verirse sorun olabilir
private static double stringToDouble(String text) {
// handle in 5 usages that if catch statement works, return an escape integer
double val = 0;
try {

} catch (Exception e) {
e.printStackTrace();
val = Double.parseDouble(text);

}
return val;
} catch (Exception e) {
e.printStackTrace();
}



public static boolean withdraw(String id, double amount) {
double deposit;
if (amount < 10 || amount > 1000) {
System.out.println("cekilecek tutar 10'dan kucuk olamaz");
return false;
}

String temp = SqlQuery.StringGetSQL("SELECT deposit FROM clients WHERE id=" + id, "deposit");


try {
deposit = Double.parseDouble(temp);
System.out.println(deposit);
} catch (Exception e) {
e.printStackTrace();
return false;
}

if (deposit < amount) {
System.out.println("cekilmek istenen tutar bakiyeden fazla.. ");
return false;
} else if (deposit > amount) {
deposit = deposit - amount;
temp = String.valueOf(deposit);

SqlQuery.UpdateData("UPDATE clients SET deposit=" + temp + "WHERE id=" + id);

return true;
}
return false;
return val;
}

public static boolean withdraw(String id, double amount) {
double deposit;
if (amount < 10 || amount > 1000) {
System.out.println("cekilecek tutar 10'dan kucuk olamaz");
return false;
}

String temp = SqlQuery.StringGetSQL("SELECT deposit FROM clients WHERE id=" + id, "deposit");

public static boolean deposit(String id, double amount) {
double deposit;

String temp = SqlQuery.StringGetSQL("SELECT deposit FROM clients WHERE id=" + id, "deposit");
if (amount < 1) {
System.out.println("yatiralacak tutar sifirdan kucuk olamaz");
return false;
}

deposit = stringToDouble(temp);
try {
deposit = Double.parseDouble(temp);
System.out.println(deposit);
} catch (Exception e) {
e.printStackTrace();
return false;
}

deposit = deposit + amount;
temp = String.valueOf(deposit);
SqlQuery.UpdateData("UPDATE clients SET deposit=" + temp + "WHERE id=" + id);
if (deposit < amount) {
System.out.println("cekilmek istenen tutar bakiyeden fazla.. ");
return false;
} else if (deposit > amount) {
deposit = deposit - amount;
temp = String.valueOf(deposit);

return true;
SqlQuery.UpdateData("UPDATE clients SET deposit=" + temp + "WHERE id=" + id);

return true;
}
return false;
}

public static boolean deposit(String id, double amount) {
double deposit;

String temp = SqlQuery.StringGetSQL("SELECT deposit FROM clients WHERE id=" + id, "deposit");
if (amount < 1) {
System.out.println("yatiralacak tutar sifirdan kucuk olamaz");
return false;
}

public static boolean transfer(String id, String IBAN, double amount) {
//todo: iban uzunlugunun kontrol edilmesi gerekli
if(IBAN.length()!=24) return false;

double depositSender, depositReceiver;
String temp = SqlQuery.StringGetSQL("SELECT deposit FROM clients WHERE id=" + id, "deposit");
depositSender = stringToDouble(temp);
depositSender = depositSender - amount;
if (amount < 1) {
System.out.println("Gondereceginiz tutar 0'dan buyuk olmalıdır. ");
return false;
}
if (depositSender < amount) {
System.out.println("Bakiye yetersiz. ");
return false;
}
temp = SqlQuery.StringGetSQL("SELECT deposit FROM clients WHERE IBAN LIKE '%" + IBAN + "'", "deposit");
depositReceiver = stringToDouble(temp);
deposit = stringToDouble(temp);

depositReceiver = depositReceiver + amount;
deposit = deposit + amount;
temp = String.valueOf(deposit);
SqlQuery.UpdateData("UPDATE clients SET deposit=" + temp + "WHERE id=" + id);

temp = String.valueOf(depositReceiver);
SqlQuery.UpdateData("UPDATE clients SET deposit=" + temp + " WHERE IBAN LIKE '%" + IBAN + "'");
return true;
}

temp = String.valueOf(depositSender);
SqlQuery.UpdateData("UPDATE clients SET deposit=" + temp + "WHERE id=" + id);
return true;
public static boolean transfer(String id, String IBAN, double amount) {
// todo: iban uzunlugunun kontrol edilmesi gerekli
if (IBAN.length() != 24) return false;

double depositSender, depositReceiver;
String temp = SqlQuery.StringGetSQL("SELECT deposit FROM clients WHERE id=" + id, "deposit");
depositSender = stringToDouble(temp);
depositSender = depositSender - amount;
if (amount < 1) {
System.out.println("Gondereceginiz tutar 0'dan buyuk olmalıdır. ");
return false;
}


public static boolean payOffDebt(String id, double amount) {
double deposit, debt;
String temp = SqlQuery.StringGetSQL("SELECT debt FROM clients WHERE id=" + id, "debt");
debt = stringToDouble(temp);
temp = SqlQuery.StringGetSQL("SELECT deposit FROM clients WHERE id=" + id, "deposit");
deposit = stringToDouble(temp);
if (amount > deposit) {
System.out.println("Odemek istediginiz tutar bakiyenizden fazla olamaz. ");
return false;
} else if (amount > debt) {

deposit = deposit - debt;
debt = 0;
temp = String.valueOf(deposit);
SqlQuery.UpdateData("UPDATE clients SET deposit=" + temp + "WHERE id=" + id);
SqlQuery.UpdateData("UPDATE clients SET debt=0 WHERE id=" + id);
System.out.println("girdiginiz tutar borcunuzdan fazladir, borcunuz: " + debt + " TL ödenmistir. ");
return true;

} else {
deposit = deposit - amount;
//todo: handle if temp is not a string
temp = String.valueOf(deposit);
SqlQuery.UpdateData("UPDATE clients SET deposit=" + temp + "WHERE id=" + id);
debt = debt - amount;
temp = String.valueOf(debt);
SqlQuery.UpdateData("UPDATE clients SET debt=" + temp + "WHERE id=" + id);
return true;
}
if (depositSender < amount) {
System.out.println("Bakiye yetersiz. ");
return false;
}


temp =
SqlQuery.StringGetSQL(
"SELECT deposit FROM clients WHERE IBAN LIKE '%" + IBAN + "'", "deposit");
depositReceiver = stringToDouble(temp);

depositReceiver = depositReceiver + amount;

temp = String.valueOf(depositReceiver);
SqlQuery.UpdateData("UPDATE clients SET deposit=" + temp + " WHERE IBAN LIKE '%" + IBAN + "'");

temp = String.valueOf(depositSender);
SqlQuery.UpdateData("UPDATE clients SET deposit=" + temp + "WHERE id=" + id);
return true;
}

public static boolean payOffDebt(String id, double amount) {
double deposit, debt;
String temp = SqlQuery.StringGetSQL("SELECT debt FROM clients WHERE id=" + id, "debt");
debt = stringToDouble(temp);
temp = SqlQuery.StringGetSQL("SELECT deposit FROM clients WHERE id=" + id, "deposit");
deposit = stringToDouble(temp);
if (amount > deposit) {
System.out.println("Odemek istediginiz tutar bakiyenizden fazla olamaz. ");
return false;
} else if (amount > debt) {

deposit = deposit - debt;
debt = 0;
temp = String.valueOf(deposit);
SqlQuery.UpdateData("UPDATE clients SET deposit=" + temp + "WHERE id=" + id);
SqlQuery.UpdateData("UPDATE clients SET debt=0 WHERE id=" + id);
System.out.println(
"girdiginiz tutar borcunuzdan fazladir, borcunuz: " + debt + " TL ödenmistir. ");
return true;

} else {
deposit = deposit - amount;
// todo: handle if temp is not a string
temp = String.valueOf(deposit);
SqlQuery.UpdateData("UPDATE clients SET deposit=" + temp + "WHERE id=" + id);
debt = debt - amount;
temp = String.valueOf(debt);
SqlQuery.UpdateData("UPDATE clients SET debt=" + temp + "WHERE id=" + id);
return true;
}
}
}