Merge branch '41-class-login' into 'main'

Resolve "Class: Login"

Closes #41

See merge request d2-lorych/helios!6

Helios/Controllers/LoginController.cs

+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Helios.Source;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+
+namespace Helios.Controllers
+{
+    public class LoginController : Controller
+    {
+        private readonly LoginService _loginService;
+
+        public LoginController(LoginService service)
+        {
+            _loginService = service;
+        }
+
+        public IActionResult UserLogin(string emailAddress, string password)
+        {
+            Login login = _loginService.GetLogin(emailAddress, password);
+
+            if (login.IsValidUser)
+            {
+                return View();
+            }
+            else
+            {
+                return View();
+            }
+        }
+    }
+}
\ No newline at end of file

Helios/Helios.csproj

@@ -9,11 +9,15 @@
   <ItemGroup>
     <None Remove="Source\" />
     <None Remove="Npgsql" />
+    <None Remove="Microsoft.VisualStudio.Web.CodeGeneration.Design" />
+    <None Remove="Swashbuckle.AspNetCore" />
   </ItemGroup>
   <ItemGroup>
     <Folder Include="Source\" />
   </ItemGroup>
   <ItemGroup>
     <PackageReference Include="Npgsql" Version="6.0.4" />
+    <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="6.0.3" />
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.3.0" />
   </ItemGroup>
 </Project>

Helios/Program.cs

-var builder = WebApplication.CreateBuilder(args);
+using Helios.Source;
+
+var builder = WebApplication.CreateBuilder(args);
 
 // Add services to the container.
 builder.Services.AddControllersWithViews();
 
+builder.Services.AddTransient<LoginService>(provider
+    => new LoginService(builder.Configuration.GetConnectionString("default")));
+
 var app = builder.Build();
 
 // Configure the HTTP request pipeline.

Helios/Source/Login.cs

+using System;
+namespace Helios.Source
+{
+	public class Login
+	{
+		public string EmailAddress { get; set; }
+		public bool IsValidUser { get; set; }
+		public bool IsAdmin { get; set; }
+
+        public Login(string emailAddress)
+        {
+            EmailAddress = emailAddress;
+        }
+    }
+}
+

Helios/Source/LoginService.cs

+using System;
+using Npgsql;
+
+namespace Helios.Source
+{
+	public class LoginService
+	{
+		private readonly NpgsqlConnection _connection;
+
+        private string password = string.Empty;
+
+        public LoginService(string connectionString)
+        {
+            _connection = new NpgsqlConnection(connectionString);
+        }
+
+        public Login GetLogin(string email, string password)
+        {
+            this.password = password;
+
+            Login userLogin = new Login(email);
+
+            userLogin = GetUserDetails(userLogin);
+
+            return userLogin;
+        }
+
+        private Login GetUserDetails(Login userLogin)
+        {
+            NpgsqlCommand cmd = new NpgsqlCommand("select * from user_login where email = @emailParam and user_password = @passwordParam", _connection);
+
+            cmd.Parameters.AddWithValue("@emailParam", userLogin.EmailAddress);
+            cmd.Parameters.AddWithValue("@passwordParam", this.password);
+
+            using var reader = cmd.ExecuteReader();
+
+            if (reader.Read())
+            {
+                userLogin.IsValidUser = true;
+                userLogin.IsAdmin = bool.Parse(reader["is_admin"].ToString());
+            }
+            else
+            {
+                userLogin.IsValidUser = false;
+                userLogin.IsAdmin = false;
+            }
+
+            return userLogin;
+        }
+    }
+}
+

SqlScripts/Login.sql

-create table Login(
+create table User_Login(
     id SERIAL PRIMARY KEY,
     email TEXT,
     user_password TEXT,
     is_admin BOOLEAN
 )
 
-INSERT INTO Login
+INSERT INTO User_Login
     (email, user_password, is_admin)
 VALUES
     ('user@helios.co.uk', 'userpassword', FALSE),