Remove dependency of Oqtane.Server on SqlClient

Oqtane.Database.MySQL/MySQLDatabase.cs

@@ -1,10 +1,9 @@
-using System;
-using System.Collections.Generic;
+using System.Data;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Migrations.Operations;
 using Microsoft.EntityFrameworkCore.Migrations.Operations.Builders;
+using MySql.Data.MySqlClient;
 using MySql.EntityFrameworkCore.Metadata;
-using Oqtane.Models;
 using Oqtane.Shared;
 
 namespace Oqtane.Database.MySQL
@@ -41,10 +40,52 @@ namespace Oqtane.Database.MySQL
             return returnValue;
         }
 
+        public override int ExecuteNonQuery(string connectionString, string query)
+        {
+            var conn = new MySqlConnection(connectionString);
+            var cmd = conn.CreateCommand();
+            using (conn)
+            {
+                PrepareCommand(conn, cmd, query);
+                var val = -1;
+                try
+                {
+                    val = cmd.ExecuteNonQuery();
+                }
+                catch
+                {
+                    // an error occurred executing the query
+                }
+                return val;
+            }
+
+        }
+
+        public override IDataReader ExecuteReader(string connectionString, string query)
+        {
+            var conn = new MySqlConnection(connectionString);
+            var cmd = conn.CreateCommand();
+            PrepareCommand(conn, cmd, query);
+            var dr = cmd.ExecuteReader(CommandBehavior.CloseConnection);
+            return dr;
+        }
+
 
         public override DbContextOptionsBuilder UseDatabase(DbContextOptionsBuilder optionsBuilder, string connectionString)
         {
             return optionsBuilder.UseMySQL(connectionString);
         }
+
+        private void PrepareCommand(MySqlConnection conn, MySqlCommand cmd, string query)
+        {
+            if (conn.State != ConnectionState.Open)
+            {
+                conn.Open();
+            }
+
+            cmd.Connection = conn;
+            cmd.CommandText = query;
+            cmd.CommandType = CommandType.Text;
+        }
     }
 }