Modifications for Lab Exercise 3

BlogDataLibrary/Data/ISqlData.cs

@@ -0,0 +1,13 @@
+using BlogDataLibrary.Models;
+
+namespace BlogDataLibrary.Data
+{
+    public interface ISqlData
+    {
+        void AddPost(PostModel post);
+        UserModel Authenticate(string username, string password);
+        List<ListPostModel> ListPosts();
+        void Register(string username, string firstName, string lastName, string password);
+        ListPostModel ShowPostDetails(int id);
+    }
+}

BlogDataLibrary/Data/SqlData.cs

@@ -1,4 +1,5 @@
 using BlogDataLibrary.Database;
+using BlogDataLibrary.Models;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -7,14 +8,50 @@
 
 namespace BlogDataLibrary.Data
 {
-    public class SqlData
+    public class SqlData : ISqlData
     {
         private ISqlDataAccess _db;
-        private const string connectionStringName = "sqlDb";
+        private const string connectionStringName = "SqlDb";
 
         public SqlData(ISqlDataAccess db)
         {
             _db = db;
         }
+
+        public UserModel Authenticate(string username, string password)
+        {
+            UserModel result = _db.LoadData<UserModel, dynamic>("dbo.spUsers_Authenticate",
+                                                                new { username, password },
+                                                                connectionStringName,
+                                                                true).FirstOrDefault();
+            return result;
+        }
+
+        public void Register(string username, string firstName, string lastName, string password)
+        {
+            _db.SaveData<dynamic>(
+                "dbo.spUsers_Register",
+                new { username, firstName, lastName, password },
+                connectionStringName,
+                true);
+        }
+
+        public void AddPost(PostModel post)
+        {
+            _db.SaveData("spPosts_Insert", new { post.UserId, post.Title, post.Body, post.DateCreated },
+                connectionStringName, true);
+        }
+
+        public List<ListPostModel> ListPosts()
+        {
+            return _db.LoadData<ListPostModel, dynamic>("dbo.spPosts_List", new { },
+                connectionStringName, true).ToList();
+        }
+
+        public ListPostModel ShowPostDetails(int id)
+        {
+            return _db.LoadData<ListPostModel, dynamic>("dbo.spPosts_Details", new { id },
+                connectionStringName, true).FirstOrDefault();
+        }
     }
 }

BlogDataLibrary/obj/Debug/net6.0/BlogDataLibrary.csproj.CoreCompileInputs.cache

@@ -1 +1 @@
-7bf2bb5f4c5008b7b10de4f0c1c5eb4823da8b23
+379d4d320222f608ba031de30d83c3f39d57ec42

BlogTestUI/BlogTestUI.csproj

@@ -12,4 +12,14 @@
     <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="6.0.0" />
   </ItemGroup>
 
+  <ItemGroup>
+    <ProjectReference Include="..\BlogDataLibrary\BlogDataLibrary.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <None Update="appsettings.json">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
 </Project>

BlogTestUI/Program.cs

@@ -1,9 +1,133 @@
-namespace BlogTestUI;
+using BlogDataLibrary.Data;
+using BlogDataLibrary.Database;
+using BlogDataLibrary.Models;
+using Microsoft.Extensions.Configuration;
+
+namespace BlogTestUI;
 
 internal class Program
 {
+    static SqlData GetConnection()
+    {
+        var builder = new ConfigurationBuilder()
+            .SetBasePath(Directory.GetCurrentDirectory())
+            .AddJsonFile("appsettings.json");
+
+        IConfiguration config = builder.Build();
+        ISqlDataAccess dbAccess = new SqlDataAccess(config);
+        SqlData db = new SqlData(dbAccess);
+
+        return db;
+    }
+
     static void Main(string[] args)
     {
-        Console.WriteLine("Hello, World!");
+        SqlData db = GetConnection();
+
+        Authenticate(db);
+
+        Register(db);
+
+        AddPost(db);
+
+        ListPosts(db);
+
+        ShowPostDetails(db);
+
+        Console.WriteLine("Press Enter to exit...");
+        Console.ReadLine();
+    }
+
+    private static UserModel GetCurrentUser(SqlData db)
+    {
+        Console.Write("Username: ");
+        string username = Console.ReadLine();
+
+        Console.Write("Password: ");
+        string password = Console.ReadLine();
+
+        UserModel user = db.Authenticate(username, password);
+
+        return user;
+    }
+
+    public static void Authenticate(SqlData db)
+    {
+        UserModel user = GetCurrentUser(db);
+
+        if (user == null)
+        {
+            Console.WriteLine("Invalid credentials.");
+        }
+        else
+        {
+            Console.WriteLine($"Welcome, {user.UserName}");
+        }
+    }
+
+    public static void Register(SqlData db)
+    {
+        Console.Write("Enter new username: ");
+        var username = Console.ReadLine();
+
+        Console.Write("Enter new password: ");
+        var password = Console.ReadLine();
+
+        Console.Write("Enter first name: ");
+        var firstName = Console.ReadLine();
+
+        Console.Write("Enter last name: ");
+        var lastName = Console.ReadLine();
+
+        db.Register(username, firstName, lastName, password);
+    }
+
+    private static void AddPost(SqlData db)
+    {
+        UserModel user = GetCurrentUser(db);
+
+        Console.Write("Title: ");
+        string title = Console.ReadLine();
+
+        Console.WriteLine("Write body: ");
+        string body = Console.ReadLine();
+
+        PostModel post = new PostModel
+        {
+            Title = title,
+            Body = body,
+            DateCreated = DateTime.Now,
+            UserId = user.Id
+        };
+
+        db.AddPost(post);
+    }
+
+    private static void ListPosts(SqlData db)
+    {
+        List<ListPostModel> posts = db.ListPosts();
+
+        foreach (ListPostModel post in posts)
+        {
+            Console.WriteLine($"{post.Id}. Title: {post.Title} by {post.UserName} [{post.DateCreated.ToString("yyyy-MM-dd")}]");
+            Console.WriteLine($"{post.Body.Substring(0, 20)}...");
+            Console.WriteLine();
+        }
+    }
+
+    private static void ShowPostDetails(SqlData db)
+    {
+        Console.Write("Enter a post ID: ");
+        int id = Int32.Parse(Console.ReadLine());
+
+        ListPostModel post = db.ShowPostDetails(id);
+        Console.WriteLine(post.Title);
+        Console.WriteLine($"by {post.FirstName} {post.LastName} [{post.UserName}]");
+
+        Console.WriteLine();
+
+        Console.WriteLine(post.Body);
+
+        Console.WriteLine(post.DateCreated.ToString("MMM d yyyy"));
     }
 }

BlogTestUI/appsettings.json

@@ -0,0 +1,13 @@
+{
+    "exclude": [
+        "**/bin",
+        "**/bower_components",
+        "**/jspm_packages",
+        "**/node_modules",
+        "**/obj",
+        "**/platforms"
+    ],
+    "ConnectionStrings": {
+        "SqlDb": "Data Source=(localdb)\\MSSQLLocalDB;Initial Catalog=BlogDB;Integrated Security=True;Connect Timeout=60;Encrypt=False;TrustServerCertificate=False;MultiSubnetFailover=False"
+    }
+}