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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,14 @@ | ||
| package com.shashi.dao; | ||
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| import java.util.List; | ||
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| import com.shashi.beans.CartBean; | ||
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| public interface CartDao{ | ||
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| public String addProductToCart(String userId, String prodId); | ||
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| public List<CartBean> getAllCartItems(String userId); | ||
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| public int getCartCount(String userId); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,160 @@ | ||
| package com.shashi.dao; | ||
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| import java.sql.Connection; | ||
| import java.sql.PreparedStatement; | ||
| import java.sql.ResultSet; | ||
| import java.sql.SQLException; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
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| import com.shashi.beans.CartBean; | ||
| import com.shashi.utility.DBUtil; | ||
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| public class CartDaoImpl implements CartDao{ | ||
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| @Override | ||
| public String addProductToCart(String userId, String prodId) { | ||
| String status= "Failed to Add into Cart"; | ||
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| Connection con = DBUtil.provideConnection(); | ||
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| PreparedStatement ps = null; | ||
| PreparedStatement ps2 = null; | ||
| ResultSet rs = null; | ||
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| try { | ||
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| ps = con.prepareStatement("select * from usercart where username=? and prodid=?"); | ||
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| ps.setString(1, userId); | ||
| ps.setString(2, prodId); | ||
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| rs = ps.executeQuery(); | ||
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| if(rs.next()) { | ||
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| int prodQuantity = rs.getInt("quantity"); | ||
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| prodQuantity += 1; | ||
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| ps2 = con.prepareStatement("update usercart set quantity=? where username=? and prodid=?"); | ||
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| ps2.setInt(1, prodQuantity); | ||
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| ps2.setString(2, userId); | ||
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| ps2.setString(3, prodId); | ||
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| int k = ps2.executeUpdate(); | ||
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| if(k>0) | ||
| status = "Product Successfully Added to Cart!"; | ||
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| } | ||
| else { | ||
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| ps2 = con.prepareStatement("insert into usercart values(?,?,?)"); | ||
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| ps2.setString(1, userId); | ||
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| ps2.setString(2, prodId); | ||
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| ps2.setInt(3, 1); | ||
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| int k = ps2.executeUpdate(); | ||
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| if(k>0) | ||
| status = "Product Successfully Added to Cart!"; | ||
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| } | ||
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| } catch (SQLException e) { | ||
| status = "Error: "+ e.getMessage(); | ||
| e.printStackTrace(); | ||
| } | ||
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| DBUtil.closeConnection(con); | ||
| DBUtil.closeConnection(ps); | ||
| DBUtil.closeConnection(rs); | ||
| DBUtil.closeConnection(ps2); | ||
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| return status; | ||
| } | ||
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| @Override | ||
| public List<CartBean> getAllCartItems(String userId) { | ||
| List<CartBean> items = new ArrayList<CartBean>(); | ||
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| Connection con = DBUtil.provideConnection(); | ||
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| PreparedStatement ps = null; | ||
| ResultSet rs = null; | ||
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| try { | ||
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| ps = con.prepareStatement("select * from usercart where username=?"); | ||
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| ps.setString(1, userId); | ||
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| rs = ps.executeQuery(); | ||
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| while(rs.next()) { | ||
| CartBean cart = new CartBean(); | ||
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| cart.setUserId(rs.getString("username")); | ||
| cart.setProdId(rs.getString("prodid")); | ||
| cart.setQuantity(Integer.parseInt(rs.getString("quantity"))); | ||
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| items.add(cart); | ||
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| } | ||
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| } catch (SQLException e) { | ||
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| e.printStackTrace(); | ||
| } | ||
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| DBUtil.closeConnection(con); | ||
| DBUtil.closeConnection(ps); | ||
| DBUtil.closeConnection(rs); | ||
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| return items; | ||
| } | ||
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| @Override | ||
| public int getCartCount(String userId) { | ||
| int count = 0; | ||
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| Connection con = DBUtil.provideConnection(); | ||
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| PreparedStatement ps = null; | ||
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| ResultSet rs = null; | ||
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| try { | ||
| ps = con.prepareStatement("select sum(quantity) from usercart where username=?"); | ||
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| ps.setString(1, userId); | ||
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| rs = ps.executeQuery(); | ||
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| if(rs.next()) | ||
| count = rs.getInt(1); | ||
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| } catch (SQLException e) { | ||
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| e.printStackTrace(); | ||
| } | ||
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| DBUtil.closeConnection(con); | ||
| DBUtil.closeConnection(ps); | ||
| DBUtil.closeConnection(rs); | ||
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| return count; | ||
| } | ||
| } |
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