com.aol.one.patch.examples.persistence.service.CartService.java Source code

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Here is the source code for com.aol.one.patch.examples.persistence.service.CartService.java

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/*
 *  See the file "LICENSE.TXT" for the full license governing this code.
 */

package com.aol.one.patch.examples.persistence.service;

import com.google.inject.Inject;

import com.aol.one.patch.examples.persistence.model.Cart;
import com.aol.one.patch.examples.persistence.model.CartProductInfo;
import com.aol.one.patch.examples.persistence.model.CartWithProducts;
import com.aol.one.patch.examples.persistence.mybatis.CartMapper;
import com.aol.one.patch.examples.persistence.mybatis.CartProductsMapper;

import org.apache.commons.lang3.builder.ToStringBuilder;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;

import java.util.List;

/**
 * @author Madhu Ramanna <madhu.ramanna@advertising.com> dt 2/19/16.
 */

public class CartService {

    private SqlSessionFactory sqlSessionFactory;

    @Inject
    public CartService(SqlSessionFactory sqlSessionFactory) {
        this.sqlSessionFactory = sqlSessionFactory;
    }

    public List<Cart> getAllCarts() {
        try (SqlSession sqlSession = getSqlSession()) {
            return getAllCarts(sqlSession);
        }
    }

    public List<Cart> getAllCarts(SqlSession sqlSession) {
        return getCartMapper(sqlSession).selectAllCarts();
    }

    public Cart getCartById(int id) {
        try (SqlSession sqlSession = getSqlSession()) {
            return getCartById(sqlSession, id);
        }
    }

    public Cart getCartById(SqlSession sqlSession, int id) {
        return getCartMapper(sqlSession).selectCart(id);
    }

    public void saveCart(Cart cart) {
        try (SqlSession sqlSession = getSqlSession()) {
            getCartMapper(sqlSession).saveCart(cart);
            sqlSession.commit();
        }
    }

    public void createCart(Cart cart) {
        try (SqlSession sqlSession = getSqlSession()) {
            getCartMapper(sqlSession).createCart(cart);
            sqlSession.commit();
        }
    }

    // NOTE: this method does not commit transactions
    public void addProductInfo(SqlSession sqlSession, CartProductInfo info) {
        sqlSession.getMapper(CartProductsMapper.class).addCartProduct(info);
    }

    // NOTE: this method does not commit transactions
    public void replaceProductInfo(SqlSession sqlSession, CartProductInfo info) {
        sqlSession.getMapper(CartProductsMapper.class).replaceCartProduct(info);
    }

    // NOTE: this method does not commit transactions
    public void deleteCartProductInfo(SqlSession sqlSession, CartProductInfo info) {
        sqlSession.getMapper(CartProductsMapper.class).deleteCartProduct(info);
    }

    public List<CartProductInfo> getProductInfo(SqlSession sqlSession, int cartId) {
        return getCartProductsMapper(sqlSession).getCartProducts(cartId);
    }

    public CartWithProducts getCartWithProducts(int id) {
        try (SqlSession sqlSession = getSqlSession()) {
            return getCartWithProducts(sqlSession, id);
        }
    }

    public CartWithProducts getCartWithProducts(SqlSession sqlSession, int cartId) {
        CartWithProducts cartWithProducts = new CartWithProducts();
        Cart cart = this.getCartById(sqlSession, cartId);
        cartWithProducts.setId(cart.getId());
        cartWithProducts.setName(cart.getName());
        cartWithProducts.setProductInfoList(getProductInfo(sqlSession, cartId));
        return cartWithProducts;
    }

    // WARN: caller to handle session transaction commit and close
    public SqlSession getSqlSession() {
        return sqlSessionFactory.openSession(false);
    }

    private CartMapper getCartMapper(SqlSession sqlSession) {
        return sqlSession.getMapper(CartMapper.class);
    }

    private CartProductsMapper getCartProductsMapper(SqlSession sqlSession) {
        return sqlSession.getMapper(CartProductsMapper.class);
    }

    @Override
    public String toString() {
        return new ToStringBuilder(this).append("sqlSessionFactory", sqlSessionFactory).toString();
    }
}