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‎Blog(Dirty)/BlogInterface.cs‎

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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Runtime.CompilerServices;
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using System.Text;
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using System.Threading.Tasks;
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namespace Blog_Dirty_
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{
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sealed class BlogInterface
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{
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public BlogInterface()
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{
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}
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private void writerMode()
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{
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Console.ForegroundColor = ConsoleColor.Green;
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Console.Write("W: ");
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}
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private void readerMode()
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{
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Console.ForegroundColor = ConsoleColor.Red;
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Console.Write("R: ");
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}
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private void defaultMode()
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{
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Console.ForegroundColor = ConsoleColor.White;
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}
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public void writeBlogPost()
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{
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string blogName;
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bool exit = false;
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string blogData;
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Console.WriteLine();
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Console.WriteLine("To end writing type exit in new line");
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Console.Write("Write the name of your new blog: ");
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blogName = Console.ReadLine();
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Console.Clear();
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Console.WriteLine("\t" + blogName + "\n\n\n\n\n");
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while (!exit)
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{
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writerMode();
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blogData = Console.ReadLine();
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if (blogData == "exit")
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{
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exit = true;
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}
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}
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defaultMode();
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}
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public void readBlogPost()
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{
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readerMode();
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defaultMode();
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}
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public void menu()
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{
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ConsoleKeyInfo option;
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Console.WriteLine("Welcome in BlogApp!!!\n\n\n");
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Console.WriteLine("Select the option from below");
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Console.WriteLine("a. Write a blog post");
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Console.WriteLine("b. Read your blog posts");
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Console.WriteLine("c. Read specified post");
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Console.Write("Your option: ");
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option = Console.ReadKey();
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if (ConsoleKey.A == option.Key)
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{
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writeBlogPost();
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}
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else if(ConsoleKey.B == option.Key)
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{
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}
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else if(ConsoleKey.C == option.Key)
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{
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}
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}
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}
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}

‎Blog(Dirty)/Posts.cs‎

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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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namespace Blog_Dirty_
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{
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public class Posts
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{
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public string postName { get; set; }
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public string postData { get; set; }
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}
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}

‎Blog(Dirty)/PostsManager.cs‎

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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 System.Data.SqlClient;
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using System.Data;
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namespace Blog_Dirty_
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{
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sealed class PostsManager
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{
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private PostsRepository _repository;
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PostsManager()
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{
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_repository = new PostsRepository();
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_repository.createDatabase();
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}
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~PostsManager()
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{
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_repository.closeDatabase();
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}
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public bool isPostExists(string postName)
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{
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try
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{
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SqlCommand checkIfExists = new SqlCommand("select count(*) from users where PostName= @postName"); //connection at end
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checkIfExists.Parameters.AddWithValue("postName", postName);
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_repository.executeQuery(checkIfExists);
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object result = checkIfExists.ExecuteScalar();
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if ((int)result == 0)
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{
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return true;
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}
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return false;
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}
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catch (Exception ex)
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{
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return true;
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}
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}
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public void addPost(User user, string postName, string postData)
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{
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string username = user.UserName;
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SqlCommand addToDatabase = new SqlCommand("insert into Users(username, postName, postData) values(@username, @postName, @postData)");
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addToDatabase.Parameters.AddWithValue("username", username);
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addToDatabase.Parameters.AddWithValue("postName", postName);
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addToDatabase.Parameters.AddWithValue("postData", postData);
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_repository.executeQuery(addToDatabase);
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}
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public void removePost(Posts posts)
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{
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string postName = posts.postName;
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if (!isPostExists(postName))
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{
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throw new Exception("Post not exists");
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}
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else
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{
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SqlCommand deleteFromDatabase = new SqlCommand("DELETE from Posts Where PostName = '" + postName + "'");
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deleteFromDatabase.Parameters.AddWithValue("PostName", postName);
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_repository.executeQuery(deleteFromDatabase);
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}
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}
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public void searchForUserPosts(string username)
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{
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string query = "SELECT * from Posts Where username = '" + username + "'";
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SqlCommand searchInDatabase = new SqlCommand("SELECT * from Posts Where username = '" + username + "'");
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searchInDatabase.Parameters.AddWithValue("username", username);
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DataTable dataTable = new DataTable();
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_repository.readDataFromCommands(query, dataTable);
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}
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}
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}

‎Blog(Dirty)/PostsRepository.cs‎

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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 System.Data.SqlClient;
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using System.Data;
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namespace Blog_Dirty_
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{
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public class PostsRepository
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{
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private static SqlConnection connection = new SqlConnection();
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private static string databaseSource = "Data Source=(local)\\POSTSDATABASE;Initial Catalog=UserRepository;Integrated Security=True";
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public void createDatabase()
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{
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connection.ConnectionString = databaseSource;
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connection.Open();
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}
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public void closeDatabase()
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{
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connection.Close();
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}
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private static SqlDataAdapter adapter = new SqlDataAdapter();
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public int executeDataAdapter(DataTable tblName, string databaseCommands)
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{
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if (connection.State == 0)
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{
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createDatabase();
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}
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adapter.SelectCommand.CommandText = databaseCommands;
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adapter.SelectCommand.CommandType = CommandType.Text;
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SqlCommandBuilder DbCommandBuilder = new SqlCommandBuilder(adapter);
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string insert = DbCommandBuilder.GetInsertCommand().CommandText.ToString();
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string update = DbCommandBuilder.GetUpdateCommand().CommandText.ToString();
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string delete = DbCommandBuilder.GetDeleteCommand().CommandText.ToString();
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return adapter.Update(tblName);
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}
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private static SqlCommand command = new SqlCommand();
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public void readDataFromCommands(string query, DataTable tblName)
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{
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command.Connection = connection;
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command.CommandText = query;
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command.CommandType = CommandType.Text;
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adapter = new SqlDataAdapter(command);
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adapter.Fill(tblName);
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}
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public static SqlDataReader readDataFromStream(string query)
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{
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SqlDataReader reader;
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command.Connection = connection;
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command.CommandText = query;
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command.CommandType = CommandType.Text;
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reader = command.ExecuteReader();
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return reader;
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}
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public int executeQuery(SqlCommand dbCommand)
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{
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dbCommand.Connection = connection;
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dbCommand.CommandType = CommandType.Text;
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return dbCommand.ExecuteNonQuery();
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}
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}
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}

‎Blog(Dirty)/Program.cs‎

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{
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sealed class Program
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{
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private static UserManager userManager = new UserManager();
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static void Main(string[] args)
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{
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Console.Write("Write a username: ");
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string username = Console.ReadLine();
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Console.Write("Write a password: ");
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string password = Console.ReadLine();
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User user = new User(username, password);
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UserManager userManager = new UserManager();
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userManager.addUser(username, password);
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Console.WriteLine("User created sucessfully");
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userManager.removeUser(user);
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Console.WriteLine("User removed successfully");
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BlogInterface blogInterface = new BlogInterface();
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blogInterface.menu();
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}
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}
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‎Blog(Dirty)/RepositoryModel.cs‎

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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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namespace Blog_Dirty_
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{
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public class RepositoryModel
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{
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}
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}

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