InstallerHelper.cs :  » Web-Frameworks » nopCommerce » NopSolutions » NopCommerce » BusinessLogic » Installation » C# / CSharp Open Source

Home
C# / CSharp Open Source
1.2.6.4 mono .net core
2.2.6.4 mono core
3.Aspect Oriented Frameworks
4.Bloggers
5.Build Systems
6.Business Application
7.Charting Reporting Tools
8.Chat Servers
9.Code Coverage Tools
10.Content Management Systems CMS
11.CRM ERP
12.Database
13.Development
14.Email
15.Forum
16.Game
17.GIS
18.GUI
19.IDEs
20.Installers Generators
21.Inversion of Control Dependency Injection
22.Issue Tracking
23.Logging Tools
24.Message
25.Mobile
26.Network Clients
27.Network Servers
28.Office
29.PDF
30.Persistence Frameworks
31.Portals
32.Profilers
33.Project Management
34.RSS RDF
35.Rule Engines
36.Script
37.Search Engines
38.Sound Audio
39.Source Control
40.SQL Clients
41.Template Engines
42.Testing
43.UML
44.Web Frameworks
45.Web Service
46.Web Testing
47.Wiki Engines
48.Windows Presentation Foundation
49.Workflows
50.XML Parsers
C# / C Sharp
C# / C Sharp by API
C# / CSharp Tutorial
C# / CSharp Open Source » Web Frameworks » nopCommerce 
nopCommerce » NopSolutions » NopCommerce » BusinessLogic » Installation » InstallerHelper.cs
//------------------------------------------------------------------------------
// The contents of this file are subject to the nopCommerce Public License Version 1.0 ("License"); you may not use this file except in compliance with the License.
// You may obtain a copy of the License at  http://www.nopCommerce.com/License.aspx. 
// 
// Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. 
// See the License for the specific language governing rights and limitations under the License.
// 
// The Original Code is nopCommerce.
// The Initial Developer of the Original Code is NopSolutions.
// All Rights Reserved.
// 
// Contributor(s): _______. 
//------------------------------------------------------------------------------

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Data.Common;
using System.Data.SqlClient;
using System.Drawing;
using System.IO;
using System.Web;
using System.Web.Configuration;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Xml;
using NopSolutions.NopCommerce.BusinessLogic.Configuration;
using NopSolutions.NopCommerce.BusinessLogic.Utils;
using NopSolutions.NopCommerce.Common.Utils;

namespace NopSolutions.NopCommerce.BusinessLogic.Installation{
    /// <summary>
    /// Represents an installer helper
    /// </summary>
    public partial class InstallerHelper
    {
        /// <summary>
        /// Checks if the connection string is set
        /// </summary>
        /// <returns></returns>
        public static bool ConnectionStringIsSet()
        {
            return !String.IsNullOrEmpty(NopConfig.ConnectionString);
        }

        /// <summary>
        /// Redirects user to the installation page
        /// </summary>
        public static void RedirectToInstallationPage()
        {
            string thisPage = CommonHelper.GetThisPageUrl(false);
            if (!thisPage.ToLower().Contains("install/install.aspx"))
            {
                string fileExtension = Path.GetExtension(thisPage);
                if (!String.IsNullOrEmpty(fileExtension) && fileExtension.ToLower() == ".aspx")
                {
                    if (HttpContext.Current != null)
                    {
                        string installPath = CommonHelper.GetStoreLocation() + "install/install.aspx";
                        HttpContext.Current.Response.Redirect(installPath);
                    }
                }
            }
        }

        /// <summary>
        /// Tests the given connection parameters
        /// </summary>
        /// <param name="trustedConnection">Avalue that indicates whether User ID and Password are specified in the connection (when false) or whether the current Windows account credentials are used for authentication (when true)</param>
        /// <param name="serverName">The name or network address of the instance of SQL Server to connect to</param>
        /// <param name="databaseName">The name of the database associated with the connection</param>
        /// <param name="userName">The user ID to be used when connecting to SQL Server</param>
        /// <param name="password">The password for the SQL Server account</param>
        /// <returns>Returns true if an attempt to open the database by using the connection succeeds.</returns>
        public static string TestConnection(bool trustedConnection, string serverName, string databaseName, string userName, string password)
        {
            try
            {
                string connectionString = CreateConnectionString(trustedConnection, serverName, databaseName, userName, password, 10);
                using (var conn = new SqlConnection(connectionString))
                {
                    conn.Open();
                    conn.Close();
                }
                return string.Empty;
            }
            catch (Exception ex)
            {
                return ex.Message;
            }
        }

        /// <summary>
        /// Gets a current version of installed application
        /// </summary>
        /// <param name="connectionString">Connection string</param>
        /// <returns>Current version</returns>
        public static string GetCurrentVersion(string connectionString)
        {
            string version = string.Empty;
            try
            {
                string query = "SELECT * FROM [Nop_Setting] where [name]='Common.CurrentVersion'";

                using (var conn = new SqlConnection(connectionString))
                {
                    conn.Open();
                    var command = new SqlCommand(query, conn);
                    var rdr = command.ExecuteReader();
                    if (rdr.Read())
                    {
                        if (rdr["value"] != null && rdr["value"] != DBNull.Value)
                            version = rdr["value"].ToString();
                    }
                }
            }
            catch
            {
                return string.Empty;
            }
            return version;
        }
        
        /// <summary>
        /// Sets a version of installed application
        /// </summary>
        /// <param name="connectionString">Connection string</param>
        /// <param name="version">Version</param>
        /// <returns>Error</returns>
        public static string SetCurrentVersion(string connectionString, string version )
        {
            try
            {
                string query = string.Format("Update [Nop_Setting] SET [Value]='{0}' WHERE [name]='Common.CurrentVersion'", version);

                using (var conn = new SqlConnection(connectionString))
                {
                    conn.Open();
                    var command = new SqlCommand(query, conn);
                    command.ExecuteNonQuery();
                }               
                
                return string.Empty;
            }
            catch (Exception ex)
            {
                return ex.Message;
            }
        }

        /// <summary>
        /// Creates a database on the server.
        /// </summary>
        /// <param name="databaseName">Database name</param>
        /// <param name="connectionString">Connection string</param>
        /// <returns>Error</returns>
        public static string CreateDatabase(string databaseName, string connectionString)
        {
            try
            {
                string query = string.Format("CREATE DATABASE [{0}] COLLATE SQL_Latin1_General_CP1_CI_AS", databaseName);

                using (var conn = new SqlConnection(connectionString))
                {
                    conn.Open();
                    var command = new SqlCommand(query, conn);
                    command.ExecuteNonQuery();
                }               
                
                return string.Empty;
            }
            catch (Exception ex)
            {
                return ex.Message;
            }
        }

        /// <summary>
        /// Checks if the specified database exists, returns true if database exists
        /// </summary>
        /// <param name="trustedConnection">A value that indicates whether User ID and Password are specified in the connection (when false) or whether the current Windows account credentials are used for authentication (when true)</param>
        /// <param name="serverName">The name or network address of the instance of SQL Server to connect to</param>
        /// <param name="databaseName">The name of the database associated with the connection</param>
        /// <param name="userName">The user ID to be used when connecting to SQL Server</param>
        /// <param name="password">The password for the SQL Server account</param>
        /// <returns>Returns true if the database exists.</returns>
        public static bool DatabaseExists(bool trustedConnection,
            string serverName, string databaseName, string userName, string password)
        {
            // Prepare the query
            string connectionString = CreateConnectionString(trustedConnection, serverName, "master", userName, password, 120);
            string query = "SELECT Count(name) FROM sysdatabases WHERE name = '" + databaseName.Replace("'", "''") + "'";

            using (var conn = new SqlConnection(connectionString))
            {
                conn.Open();
                var command = new SqlCommand(query, conn);
                object obj1 = command.ExecuteScalar();
                if (obj1 != null && obj1 != DBNull.Value)
                    return Convert.ToInt32(obj1) > 0;
                conn.Close();
            }  

            return false;
        }

        /// <summary>
        /// Create contents of connection strings used by the SqlConnection class
        /// </summary>
        /// <param name="trustedConnection">Avalue that indicates whether User ID and Password are specified in the connection (when false) or whether the current Windows account credentials are used for authentication (when true)</param>
        /// <param name="serverName">The name or network address of the instance of SQL Server to connect to</param>
        /// <param name="databaseName">The name of the database associated with the connection</param>
        /// <param name="userName">The user ID to be used when connecting to SQL Server</param>
        /// <param name="password">The password for the SQL Server account</param>
        /// <param name="timeout">The connection timeout</param>
        /// <returns>Connection string</returns>
        public static string CreateConnectionString(bool trustedConnection,
            string serverName, string databaseName, string userName, string password, int timeout)
        {
            var builder = new SqlConnectionStringBuilder();
            builder.IntegratedSecurity = trustedConnection;
            builder.DataSource = serverName;
            builder.InitialCatalog = databaseName;
            if (!trustedConnection)
            {
                builder.UserID = userName;
                builder.Password = password;
            }
            builder.PersistSecurityInfo = false;
            builder.ConnectTimeout = timeout;
            return builder.ConnectionString;
        }

        /// <summary>
        /// Sets or adds the specified connection string in the ConnectionStrings section
        /// </summary>
        /// <param name="name">ConnectionString name</param>
        /// <param name="connectionString">Connection string</param>
        public static bool SaveConnectionString(string name, string connectionString)
        {
            try
            {
                var config = WebConfigurationManager.OpenWebConfiguration("~");

                if (config.ConnectionStrings.ConnectionStrings[name] != null)
                    config.ConnectionStrings.ConnectionStrings[name].ConnectionString = connectionString;
                else
                    config.ConnectionStrings.ConnectionStrings.Add(new ConnectionStringSettings(name, connectionString));
               
                config.Save(ConfigurationSaveMode.Modified);
                return true;
            }
            catch
            {
                return false;
            }
        }
    }
}
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.