Studium
/
Internet-Technologien
2
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

+ database stuff for address. 

Signed-off-by: Johannes Theiner <j.theiner@live.de>
This commit is contained in:
Johannes Theiner 2019-05-20 11:12:50 +02:00
parent 5e21307980
commit b2ed3d6a03
3 changed files with 133 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

115
src/main/java/de/hsel/itech/db/AddressDB.java Normal file
View File

@ -0,0 +1,115 @@
package de.hsel.itech.db;
import de.hsel.itech.db.pojo.Address;
import de.hsel.itech.db.pojo.User;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
/**
* @author Johannes Theiner
* @version 0.1
* @since 0.5
**/
public class AddressDB {
private Database database;
AddressDB(Database database) {
this.database = database;
}
@NotNull
public List<Address> getAll(@NotNull User user) {
Map.Entry<ResultSet, Connection> entry = database.getResultSetsByValue(database.tableUserAddress, "user", String.valueOf(user.getId()));
assert entry != null;
List<Address> list = new ArrayList<>();
try {
ResultSet rs = entry.getKey();
while(rs.next()) {
list.add(new Address(user, rs.getLong("id"), rs.getString("name"), rs.getString("street"), rs.getString("number"), rs.getInt("zipCode"), rs.getString("city")));
}
entry.getValue().close();
} catch (SQLException e) {
e.printStackTrace();
}
return list;
}
@Nullable
public Address get(long id) {
Map.Entry<ResultSet, Connection> entry = database.getResultSetById(database.tableAddress, id);
assert entry != null;
try {
ResultSet rs = entry.getKey();
Address address = new Address(getUserFromId(id), id, rs.getString("name"), rs.getString("street"), rs.getString("number"), rs.getInt("zipCode"), rs.getString("city"));
entry.getValue().close();
return address;
} catch (SQLException e) {
e.printStackTrace();
}
return null;
}
@Nullable
private User getUserFromId(long id) {
Map.Entry<ResultSet, Connection> entry = database.getResultSetByValue(database.tableUserAddress, "address", id);
assert entry != null;
try {
User user = database.user().get(entry.getKey().getLong("user"));
entry.getValue().close();
return user;
} catch (SQLException e) {
e.printStackTrace();
}
return null;
}
public int insert(@NotNull Address address) {
Connection connection = database.getConnection();
int updateCount = 0;
try {
assert connection != null;
PreparedStatement statement = connection.prepareStatement("INSERT INTO address (name, street, number, zipCode, city) VALUES (?, ?, ?, ?, ?)");
statement.setString(1, address.getName());
statement.setString(2, address.getStreet());
statement.setString(3, address.getNumber());
statement.setInt(4, address.getZipCode());
statement.setString(5, address.getCity());
updateCount += statement.executeUpdate();
PreparedStatement relationStatement = connection.prepareStatement("INSERT INTO user_address (user, address) VALUES (?, ?)");
relationStatement.setLong(1, address.getUser().getId());
relationStatement.setLong(2, address.getId());
updateCount += statement.executeUpdate();
connection.close();
} catch (SQLException e) {
e.printStackTrace();
}
return updateCount;
}
public int delete(@NotNull Address address) {
return database.delete(address.getId(), database.tableUserAddress);
}
}

15
src/main/java/de/hsel/itech/db/Database.java
View File

@ -1,6 +1,7 @@
package de.hsel.itech.db;
import de.hsel.itech.config.Configuration;
import org.jetbrains.annotations.Contract;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.json.JSONObject;
@ -41,6 +42,7 @@ public class Database {
private CategoryDB categoryDB;
private PublisherDB publisherDB;
private UserDB userDB;
private AddressDB addressDB;
private static Database instance;
@ -104,36 +106,49 @@ public class Database {
return null;
}
@Contract
public BookDB book() {
if(bookDB == null)
bookDB = new BookDB(this);
return bookDB;
}
@Contract
public AuthorDB author() {
if(authorDB == null)
authorDB = new AuthorDB(this);
return authorDB;
}
@Contract
public CategoryDB category() {
if (categoryDB == null)
categoryDB = new CategoryDB(this);
return categoryDB;
}
@Contract
public PublisherDB publisher() {
if(publisherDB == null)
publisherDB = new PublisherDB(this);
return publisherDB;
}
@Contract
public UserDB user() {
if(userDB == null)
userDB = new UserDB(this);
return userDB;
}
@Contract
public AddressDB address() {
if(addressDB == null)
addressDB = new AddressDB(this);
return addressDB;
}
/**

6
src/main/resources/database.sql
View File

@ -3,11 +3,11 @@ INSERT IGNORE INTO test(hello) values ('Welt');
CREATE TABLE IF NOT EXISTS book (id bigint primary key auto_increment, isbn bigint unique, title varchar(50), description varchar(500), price int, year year, publisher bigint, category bigint, image varchar(11));
CREATE TABLE IF NOT EXISTS publisher(id bigint primary key auto_increment, name varchar(50) unique);
CREATE TABLE IF NOT EXISTS author(id bigint primary key auto_increment, name varchar(50) unique);
CREATE TABLE IF NOT EXISTS author_book(author bigint, book bigint, primary key(author, book), foreign key (author) REFERENCES author(id), foreign key (book) references book(id));
CREATE TABLE IF NOT EXISTS author_book(author bigint, book bigint, primary key(author, book), foreign key (author) REFERENCES author(id), foreign key (book) references book(id) on delete cascade);
CREATE TABLE IF NOT EXISTS category(id bigint primary key auto_increment, name varchar(25), image varchar(11));
CREATE TABLE IF NOT EXISTS user(id bigint primary key auto_increment, name varchar(50), email varchar(255), password binary(40), type tinyint);
CREATE TABLE IF NOT EXISTS address(id bigint primary key auto_increment, street varchar(100), number smallint, zipCode smallint, city varchar(50));
CREATE TABLE IF NOT EXISTS user_address(id bigint primary key auto_increment, user bigint, address bigint, foreign key (user) REFERENCES user(id), foreign key (address) references address(id));
CREATE TABLE IF NOT EXISTS address(id bigint primary key auto_increment, name varchar(100), street varchar(100), number smallint, zipCode smallint, city varchar(50));
CREATE TABLE IF NOT EXISTS user_address(id bigint primary key auto_increment, user bigint, address bigint, foreign key (user) REFERENCES user(id), foreign key (address) references address(id) on delete cascade);
CREATE TABLE IF NOT EXISTS payment_type(id bigint primary key auto_increment, name varchar(25) unique);
INSERT IGNORE INTO payment_type (name) values ('CreditCard');
INSERT IGNORE INTO payment_type (name) values ('DebitCard');