Add operations for database version 2.

Cicm.Database/Mysql.cs

@@ -1,8 +1,10 @@
-using MySql.Data.MySqlClient;
+using System;
+using System.Data;
+using MySql.Data.MySqlClient;
 
 namespace Cicm.Database
 {
-    public class Mysql
+    public class Mysql : IDbCore
     {
         MySqlConnection connection;
 
@@ -10,13 +12,101 @@ namespace Cicm.Database
         {
             string connectionString =
                 $"server={server};user={user};database={database};port={port};password={password}";
-            
+
             connection = new MySqlConnection(connectionString);
         }
 
+        public Operations Operations { get; private set; }
+        public long LastInsertRowId
+        {
+            get
+            {
+                MySqlCommand command = connection.CreateCommand();
+                command.CommandText = "SELECT LAST_INSERT_ID()";
+                IDataReader reader = command.ExecuteReader();
+
+                if(reader == null || !reader.Read()) return 0;
+
+                long id = reader.GetInt64(0);
+                reader.Close();
+                return id;
+            }
+        }
+
+        public bool OpenDb(string server, string user, string database, string password, ushort port = 3306)
+        {
+            try
+            {
+                string connectionString =
+                    $"server={server};user={user};database={database};port={port};password={password}";
+
+                connection = new MySqlConnection(connectionString);
+
+                Operations = new Operations(connection, this);
+
+                bool res = Operations.UpdateDatabase();
+
+                if(res) return true;
+
+                connection = null;
+                return false;
+            }
+            catch(MySqlException ex)
+            {
+                Console.WriteLine("Error opening database.");
+                Console.WriteLine(ex);
+                connection = null;
+                return false;
+            }
+        }
+
+        public void CloseDb()
+        {
+            connection?.Close();
+            connection = null;
+        }
+
+        public bool CreateDb(string database, string server, string user, string password, ushort port = 3306)
+        {
+            try
+            {
+                string connectionString =
+                    $"server={server};user={user};database={database};port={port};password={password}";
+
+                connection = new MySqlConnection(connectionString);
+
+                IDbCommand command = connection.CreateCommand();
+                command.CommandText = $"CREATE DATABASE `{database}`;";
+                command.ExecuteNonQuery();
+                command.CommandText = $"USE `{database}`;";
+                command.ExecuteNonQuery();
+
+                Operations = new Operations(connection, this);
+
+                bool res = Operations.InitializeNewDatabase();
+
+                if(res) return true;
+
+                connection = null;
+                return false;
+            }
+            catch(MySqlException ex)
+            {
+                Console.WriteLine("Error opening database.");
+                Console.WriteLine(ex);
+                connection = null;
+                return false;
+            }
+        }
+
+        public IDbDataAdapter GetNewDataAdapter()
+        {
+            return new MySqlDataAdapter();
+        }
+
         ~Mysql()
         {
-            connection?.Close();
+            CloseDb();
         }
     }
 }