Add files via upload

back_end/HRC_FINAL/src/main/java/com/hrc/dao/InvoiceDao.java

@@ -0,0 +1,275 @@
+package com.hrc.dao;
+
+import java.util.*;
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Statement;
+import java.text.ParseException;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.hrc.pojo.Invoice;
+
+public class InvoiceDao 
+{
+	public Connection getConnection()
+	{
+		try
+		{  
+			Class.forName("com.mysql.cj.jdbc.Driver");  
+			String URL = "jdbc:mysql://localhost:3306/grey_goose?zeroDateTimeBehavior=convertToNull";
+			String username = "kiit736";
+			String password = "anand736";
+			return DriverManager.getConnection(URL, username, password);     
+		}
+
+		catch(Exception e)
+		{ 
+			System.out.println(e);
+		}
+		return null;  
+	}
+
+	public String getInvoices(int start, int limit,String cust_number) throws SQLException 
+	{
+		ArrayList<Invoice> invoices_list = new ArrayList<Invoice>();
+		Connection con = getConnection();
+		Statement stmt=con.createStatement();
+		String query="";		
+
+		query = "SELECT c.name_customer,w.* FROM winter_internship AS w "
+		+"JOIN customer AS c ON c.cust_number=w.cust_number " 
+		+"WHERE w.is_deleted=0 AND w.cust_number LIKE '"+cust_number+"%' LIMIT "+start+","+limit;
+
+		System.out.println("Query : "+query);
+
+		ResultSet rs=stmt.executeQuery(query);
+		while(rs.next()) 
+		{			 
+			try {
+				Invoice inv = new Invoice();
+
+				inv.setId(rs.getInt("sl_no"));
+				inv.setBusiness_code(rs.getString("business_code"));
+				inv.setCust_number(rs.getInt("cust_number"));
+				inv.setName_customer(rs.getString("name_customer"));
+				inv.setClear_date(rs.getDate("clear_date"));			
+				inv.setBuisness_year(rs.getInt("buisness_year"));
+				inv.setDoc_id(rs.getString("doc_id"));
+				inv.setPosting_date(rs.getDate("posting_date"));
+				inv.setDocument_create_date(rs.getDate("document_create_date"));			
+				inv.setDue_in_date(rs.getDate("due_in_date"));
+				inv.setInvoice_currency(rs.getString("invoice_currency"));
+				inv.setDocument_type(rs.getString("document_type"));
+				inv.setPosting_id(rs.getInt("posting_id"));			
+				inv.setTotal_open_amount(rs.getDouble("total_open_amount"));
+				inv.setBaseline_create_date(rs.getDate("baseline_create_date"));
+				inv.setCust_payment_terms(rs.getString("cust_payment_terms"));
+				inv.setInvoice_id(rs.getInt("invoice_id"));			
+				inv.setAging_bucket(rs.getString("aging_bucket"));//remove			
+
+				invoices_list.add(inv);
+			} catch (Exception e) {
+				// TODO Auto-generated catch block
+				e.printStackTrace();
+			}								
+		}			
+
+		Gson gson = new GsonBuilder().setDateFormat("yyyy-MM-dd").create();//new Gson();
+
+
+		// converting list to json string
+		String jsonInvoiceList = gson.toJson(invoices_list);
+
+		System.out.println("JSON response : "+jsonInvoiceList);
+
+		stmt.close();
+		con.close();
+		return jsonInvoiceList;
+	}
+
+	public void addInvoice(Invoice inv) throws SQLException 
+	{
+		Connection con = getConnection();
+		Statement stmt=con.createStatement();
+
+		String business_code=inv.getBusiness_code();
+		int cust_number=inv.getCust_number();
+		Date clear_date=inv.getClear_date();
+		int buisness_year=inv.getBuisness_year();
+		String doc_id=inv.getDoc_id() ;
+		Date posting_date=inv.getPosting_date() ;
+		Date document_create_date=inv.getDocument_create_date() ;		
+		Date due_in_date=inv.getDue_in_date() ;
+		String invoice_currency=inv.getInvoice_currency() ;
+		String document_type=inv.getDocument_type() ;
+		int posting_id=inv.getPosting_id() ;		
+		double total_open_amount=inv.getTotal_open_amount() ;
+		Date baseline_create_date=inv.getBaseline_create_date() ;
+		String cust_payment_terms=inv.getCust_payment_terms() ;
+		int invoice_id=inv.getInvoice_id() ;						
+
+		String values = "VALUES('"+business_code+"', "+cust_number+", '"+clear_date+"', "+buisness_year+", '"+doc_id+"', '"+posting_date+"', '"
+				+document_create_date+"', '"+due_in_date+"', '"+invoice_currency+"', '"+document_type+"', "+posting_id+", "
+				+total_open_amount+", '"+baseline_create_date+"', '"+cust_payment_terms+"', "+invoice_id+")";
+		String query = "INSERT INTO winter_internship(business_code, cust_number, clear_date, buisness_year, doc_id, posting_date, "
+				+ "document_create_date, due_in_date, invoice_currency, document_type, posting_id, "
+				+ "total_open_amount, baseline_create_date, cust_payment_terms, invoice_id"+") " + values;
+		System.out.println("Query : "+query);
+
+		stmt.executeUpdate(query);		
+		stmt.close();
+		con.close();
+	}
+
+	public void editInvoice(int sl_no, String invoice_currency,String cust_payment_terms) throws SQLException {		
+		Connection con = getConnection();
+		Statement stmt=con.createStatement();
+		String query = "UPDATE winter_internship SET invoice_currency = '"+ invoice_currency +"',cust_payment_terms = '"+ cust_payment_terms +"' WHERE sl_no = "+sl_no;
+
+		System.out.println("Query : "+query);
+
+		stmt.executeUpdate(query);
+	}
+
+	public void deleteInvoice(ArrayList<Integer> idx) throws SQLException {
+		Connection con = getConnection();
+		Statement stmt=con.createStatement();
+
+		for(int sl_no:idx)
+		{
+			String query = "UPDATE winter_internship SET is_deleted = 1 WHERE sl_no = "+sl_no;		
+			System.out.println("Query : "+query);
+			stmt.executeUpdate(query);
+		}					
+	}
+
+	public void predict(ArrayList<Integer> idx,ArrayList<String> aging_bucket) throws SQLException {
+		Connection con = getConnection();
+		Statement stmt=con.createStatement();
+		int i=0,n=idx.size();
+
+		for(i=0;i<n;i++)
+		{
+			String query = "UPDATE winter_internship SET aging_bucket = '"+aging_bucket.get(i)+"' WHERE sl_no = "+idx.get(i);		
+			System.out.println("Query : "+query);
+			stmt.executeUpdate(query);
+		}					
+	}
+
+	public String AdvSearch(String cust_number,String buisness_year,String doc_id,String invoice_id) throws SQLException 
+	{
+		ArrayList<Invoice> invoices_list = new ArrayList<Invoice>();
+		Connection con = getConnection();
+		Statement stmt=con.createStatement();											
+
+		String query = "SELECT * FROM winter_internship WHERE cust_number LIKE '%"+cust_number+"' AND "+"buisness_year LIKE '%"+buisness_year+"' AND "+"doc_id LIKE '%"+doc_id+"' AND invoice_id LIKE '%"+invoice_id+"'";
+		System.out.println("Query : "+query);
+		ResultSet rs=stmt.executeQuery(query);
+
+		while(rs.next()) 
+		{			
+			try {
+				Invoice inv = new Invoice();
+
+				inv.setId(rs.getInt("sl_no"));
+				inv.setBusiness_code(rs.getString("business_code"));
+				inv.setCust_number(rs.getInt("cust_number"));
+				inv.setClear_date(rs.getDate("clear_date"));			
+				inv.setBuisness_year(rs.getInt("buisness_year"));
+				inv.setDoc_id(rs.getString("doc_id"));
+				inv.setPosting_date(rs.getDate("posting_date"));
+				inv.setDocument_create_date(rs.getDate("document_create_date"));			
+				inv.setDue_in_date(rs.getDate("due_in_date"));
+				inv.setInvoice_currency(rs.getString("invoice_currency"));
+				inv.setDocument_type(rs.getString("document_type"));
+				inv.setPosting_id(rs.getInt("posting_id"));			
+				inv.setTotal_open_amount(rs.getDouble("total_open_amount"));
+				inv.setBaseline_create_date(rs.getDate("baseline_create_date"));
+				inv.setCust_payment_terms(rs.getString("cust_payment_terms"));
+				inv.setInvoice_id(rs.getInt("invoice_id"));			
+				inv.setAging_bucket(rs.getString("aging_bucket"));//remove			
+
+				invoices_list.add(inv);
+			} catch (Exception e) {
+				// TODO Auto-generated catch block
+				e.printStackTrace();
+			}
+
+		}		
+
+		Gson gson = new GsonBuilder().setDateFormat("yyyy-MM-dd").create();//new Gson();
+
+		// converting list to json string
+		String jsonInvoiceList = gson.toJson(invoices_list);
+
+		System.out.println("JSON response : "+jsonInvoiceList);
+
+		stmt.close();
+		con.close();
+		return jsonInvoiceList;
+	}
+
+	public String AnalyticView(java.sql.Date clear_date_begin,java.sql.Date clear_date_end,java.sql.Date due_in_date_begin,java.sql.Date due_in_date_end,String invoice_currency,java.sql.Date baseline_create_date_begin,java.sql.Date baseline_create_date_end) throws SQLException 
+	{		
+		Connection con = getConnection();
+		Statement stmt=con.createStatement();
+		ArrayList<HashMap<String, String>> invoices_list = new ArrayList<HashMap<String, String>>();		
+
+		String query = "SELECT b.business_name,COUNT(w.cust_number) AS cnt_cust,SUM(w.total_open_amount) AS cnt_amt "
+				+"FROM winter_internship AS w "
+				+"JOIN business AS b ON b.business_code=w.business_code "
+				+"WHERE (w.clear_date >='"+clear_date_begin+"' AND w.clear_date <='"+clear_date_end+"') "
+				+"AND (w.due_in_date >='"+due_in_date_begin+"' AND w.due_in_date <='"+due_in_date_end+"') "
+				+"AND (w.baseline_create_date >='"+baseline_create_date_begin+"' AND w.baseline_create_date <='"+baseline_create_date_end+"') "
+				+"AND (w.invoice_currency ='"+invoice_currency+"') "
+				+"GROUP BY b.business_name ";				 
+		System.out.println("Query : "+query);
+		ResultSet rs=stmt.executeQuery(query);
+		int i=0;
+		while(rs.next()) 
+		{		
+			HashMap<String, String> map = new HashMap<>();
+			map.put("business_name", rs.getString("business_name"));
+			map.put("cnt_cust", rs.getString("cnt_cust"));
+			map.put("cnt_amt", rs.getString("cnt_amt"));
+			invoices_list.add(map);			
+		}
+
+		query = "SELECT w.invoice_currency,COUNT(w.invoice_currency) AS cnt_curr "
+				+"FROM winter_internship AS w "
+				+"JOIN business AS b ON b.business_code=w.business_code "
+				+"WHERE (w.clear_date >='"+clear_date_begin+"' AND w.clear_date <='"+clear_date_end+"') "
+				+"AND (w.due_in_date >='"+due_in_date_begin+"' AND w.due_in_date <='"+due_in_date_end+"') "
+				+"AND (w.baseline_create_date >='"+baseline_create_date_begin+"' AND w.baseline_create_date <='"+baseline_create_date_end+"') "
+				+"AND (w.invoice_currency ='"+invoice_currency+"') "
+				+"GROUP BY w.invoice_currency ";				 
+		System.out.println("Query : "+query);
+		rs=stmt.executeQuery(query);
+
+		while(rs.next()) 
+		{		
+			HashMap<String, String> map = new HashMap<>();
+			map.put("business_name", "");
+			map.put("cnt_cust", "");
+			map.put("cnt_amt", "");
+			map.put("invoice_currency", rs.getString("invoice_currency"));
+			map.put("cnt_curr", rs.getString("cnt_curr"));
+
+			invoices_list.add(map);			
+		}
+
+		Gson gson = new GsonBuilder().setDateFormat("yyyy-MM-dd").create();//new Gson();
+
+		// converting list to json string
+		String jsonInvoiceList = gson.toJson(invoices_list);
+
+		System.out.println("JSON response : "+jsonInvoiceList);
+
+		stmt.close();
+		con.close();
+		return jsonInvoiceList;		
+	}
+}