120 lines
4.2 KiB
C#
120 lines
4.2 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using Dapper;
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using System.Data;
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using System.Windows.Forms;
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using System.Data.SqlClient;
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namespace db_AI_4
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{
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public class DataAccess
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{
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public SqlConnection connection { get; private set; }
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//Read locations from the Database function start
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public List<GetLocations> GetLocations(string LocationName)
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{
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using (IDbConnection connection = new System.Data.SqlClient.SqlConnection(Helper.CnnVal("marketdb")))
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{
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var output = connection.Query<GetLocations>($"SELECT * FROM locations WHERE location_name like '%{ LocationName }%'").ToList();
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return output;
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}
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}
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public void CurrentUser(string input_mail)
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{
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List<int> QueryResult = new List<int>();
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using (IDbConnection connection = new System.Data.SqlClient.SqlConnection(Helper.CnnVal("marketdb")))
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{
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var command = "SELECT member_id FROM dbo.members WHERE members.email_address = @Email_Adress";
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QueryResult = connection.Query<int>(command, new { Email_Adress = input_mail }).ToList();
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GetMembers.member_id = Convert.ToInt32(QueryResult[0]);
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}
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}
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// Insert Rents into Database start
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public void InsertRent(string RentDate, int MemberID, int RentPriceID , int LocationID)
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{
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using (IDbConnection connection = new System.Data.SqlClient.SqlConnection(Helper.CnnVal("marketdb")))
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{
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List<GetRents> rents = new List<GetRents>();
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rents.Add(new GetRents { rent_date = RentDate, member_id = GetMembers.member_id, rent_price_id = RentPriceID, location_id = LocationID});
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connection.Execute("INSERT INTO dbo.rents (rent_date, member_id, rent_price_id, location_id)" +
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" VALUES (@rent_date, @member_id, @rent_price_id, @location_id )", rents);
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}
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}
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// Insert Rents into Database end
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//Registration function start
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public void InsertMember(string input_mail, string input_pw)
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{
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using (IDbConnection connection = new System.Data.SqlClient.SqlConnection(Helper.CnnVal("marketdb")))
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{
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var command = "INSERT INTO dbo.members (email_address, password) VALUES ( @Email_address, @Password)";
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connection.Execute(command, new { Email_address = input_mail, Password = input_pw });
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}
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}
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//Registration function end
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//Read Rented locations start
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internal List<GetRents> GetRentedLocations(string LocationName)
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{
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using (IDbConnection connection = new System.Data.SqlClient.SqlConnection(Helper.CnnVal("marketdb")))
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{
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var rentoutput = connection.Query<GetRents>( $"SELECT * FROM [RentedLocations] WHERE location_name like '%{ LocationName }%' ORDER BY rent_date ASC ").ToList();
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return rentoutput;
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}
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}
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//Read Rented locations end
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//CheckLogin function start
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public void CheckLogin(string Email_address, string Password)
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{
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SqlConnection con = new SqlConnection(Helper.CnnVal("marketdb"));
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con.Open();
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SqlCommand cmd = new SqlCommand($"SELECT * FROM dbo.members WHERE email_address = '{Email_address}' and password = '{Password}'",con);
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SqlDataReader reader;
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reader = cmd.ExecuteReader();
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int count = 0;
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while (reader.Read())
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{
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count += 1;
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}
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if (count == 1)
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{
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CurrentUser(GetMembers.email_address);
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Dashboard dashboard = new Dashboard();
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dashboard.Show();
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}
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else if (count > 0)
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{
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MessageBox.Show("Already existing");
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}
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else
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{
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MessageBox.Show("Username or Password not correct");
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}
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//CheckLogin function end
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}
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}
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} |