Connect to DB, Create New User function, and outline for Authenticate…

… User
cyhamUMICH · Dec 1, 2020 · 65ccfe8 · 65ccfe8 · cyhamUMICH · Dec 1, 2020
1 parent 451640d
commit 65ccfe8
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Showing 6 changed files with 80 additions and 14 deletions.
diff --git a/.gitignore b/.gitignore
@@ -1,6 +1,8 @@
 ## Ignore Visual Studio temporary files, build results, and
 ## files generated by popular Visual Studio add-ons.
 
+*.config
+
 # User-specific files
 *.suo
 *.user

diff --git a/VOTE/VOTE/DatabaseInterface.cs b/VOTE/VOTE/DatabaseInterface.cs
@@ -1,9 +1,11 @@
 using System;
 using System.Collections.Generic;
 using System.Data.SqlClient;
+using System.Configuration;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using System.Windows.Forms;
 
 namespace VOTE
 {
@@ -12,14 +14,22 @@ class DatabaseInterface
 
         private static DatabaseInterface instance = null;
 
-        private String connectionString = "";
+        private String connectionString = System.Configuration.ConfigurationManager.ConnectionStrings["TestDB"].ConnectionString;
         private SqlConnection connection;
 
         private DatabaseInterface()
         {
             connection = new SqlConnection(connectionString);
         }
 
+        ~DatabaseInterface()
+        {
+            if (connection.State == System.Data.ConnectionState.Open)
+            {
+                connection.Close();
+            }
+        }
+
         public static DatabaseInterface getInstance()
         {
             if (instance == null)
@@ -32,7 +42,48 @@ public static DatabaseInterface getInstance()
 
         public void createNewUser(User user)
         {
+            connection.Open();
+
+            try
+            {
+                using (SqlCommand command = connection.CreateCommand())
+                {
+                    command.CommandText = "INSERT INTO [User](username, password, administrator, state, birthdate, gender, race) VALUES (@username, @password, @administrator, @state, @birthdate, @gender, @race)";
+                    command.Parameters.AddWithValue("@username", user.Username);
+                    command.Parameters.AddWithValue("@password", user.Password);
+                    command.Parameters.AddWithValue("@administrator", 0);
+                    command.Parameters.AddWithValue("@state", user.State);
+                    command.Parameters.AddWithValue("@birthdate", user.DateOfBirth);
+                    command.Parameters.AddWithValue("@gender", user.Gender);
+                    command.Parameters.AddWithValue("@race", user.Race);
+                    command.ExecuteNonQuery();
+                }
+
+            }
+            catch
+            {
+
+            }
+            finally
+            {
+
+                connection.Close();
+            }
+        }
+
+        public User authenticateUser(string username, string password)
+        {
+            using (SqlCommand command = connection.CreateCommand())
+            {
+                command.CommandText = "SELECT * FROM [User] WHERE username=@username";
+                command.Parameters.AddWithValue("@username", username);
 
+                using (SqlDataReader reader = command.ExecuteReader())
+                {
+                    return null;
+                }
+
+            }
         }
     }
 }
diff --git a/VOTE/VOTE/Login.cs b/VOTE/VOTE/Login.cs
@@ -24,7 +24,13 @@ public Login()
         private void loginButton_Click(object sender, EventArgs e)
         {
             SelectBallot selectBallot = new SelectBallot();
-            selectBallot.Show();
+            String username = loginUsernameTextBox.Text;
+            String password = loginPasswordTextBox.Text;
+
+            if (database.authenticateUser(username, password) != null)
+            {
+                selectBallot.Show();
+            }
         }
 
         private void registerButton_Click(object sender, EventArgs e)
@@ -42,6 +48,11 @@ private void registerButton_Click(object sender, EventArgs e)
             User user = new User(username, password, state, birthdate, gender, race);
 
             database.createNewUser(user);
+
+            this.Hide();
+            SelectBallot selectBallot = new SelectBallot();
+            selectBallot.Show();
+            this.Close();
         }
     }
 }
diff --git a/VOTE/VOTE/User.cs b/VOTE/VOTE/User.cs
@@ -8,21 +8,21 @@ namespace VOTE
 {
     class User
     {
-        private String username;
-        private String password;
-        private String state;
-        private String dateOfBirth;
-        private String gender;
-        private String race;
+        public String Username { get; set; }
+        public String Password { get; set; }
+        public String State { get; set; }
+        public String DateOfBirth { get; set; }
+        public String Gender { get; set; }
+        public String Race { get; set; }
 
         public User(String username, String password, String state, String dateOfBirth, String gender, String race)
         {
-            this.username = username;
-            this.password = password;
-            this.state = state;
-            this.dateOfBirth = dateOfBirth;
-            this.gender = gender;
-            this.race = race;
+            this.Username = username;
+            this.Password = password;
+            this.State = state;
+            this.DateOfBirth = dateOfBirth;
+            this.Gender = gender;
+            this.Race = race;
         }
     }
 }
diff --git a/VOTE/VOTE/VOTE.csproj b/VOTE/VOTE/VOTE.csproj
@@ -34,6 +34,7 @@
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="System" />
+    <Reference Include="System.Configuration" />
     <Reference Include="System.Core" />
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />

diff --git a/VOTE/VOTE/ViewBallot.cs b/VOTE/VOTE/ViewBallot.cs
@@ -15,6 +15,7 @@ public partial class ViewBallot : Form
         public ViewBallot()
         {
             InitializeComponent();
+            DatabaseInterface db = DatabaseInterface.getInstance();
         }
     }
 }