source: branches/HeuristicLab.Services.Authentication Prototype/Persistence/DatabaseUtil.cs @ 3971

using System;
using System.Diagnostics;
using System.Data.Common;

namespace Persistence {
  /// <summary>
  /// combines multiple used static methods into one class
  /// </summary>
  public class DatabaseUtil {

    protected static bool productionDatabase = true;

    public static bool ProductionDatabase {
      get {
        return DatabaseUtil.productionDatabase;
      }
      set {
        DatabaseUtil.productionDatabase = value;
      }
    }
    
    /// <summary>
    /// creates and returns a database connection, if possible
    /// </summary>
    /// <returns>database connection (could be null)</returns>
    public static DataClassesDataContext createDataClassesDataContext() {
      if (productionDatabase) {
        return new Persistence.DataClassesDataContext(new Persistence.Properties.Settings().DatabaseConnectionString);
      } else {
        return new Persistence.DataClassesDataContext(new Persistence.Properties.Settings().DatabaseConnectionStringTesting);
      }
    }

    /// <summary>
    /// creates a new database out of the LINQ to SQL classes
    /// </summary>
    /// <param name="db">DataClassesDataContext</param>
    public static void createDatabase(DataClassesDataContext db) {
        
      if (db.DatabaseExists()) {
        Console.WriteLine("Deleting old database...");
        db.DeleteDatabase();
        Console.WriteLine("Deleted old database!");
      }

      Console.WriteLine("Creating new database...");
      db.CreateDatabase();
      
      DbCommand command = db.Connection.CreateCommand();
      command.CommandText = "CREATE UNIQUE NONCLUSTERED INDEX [IDXRoleName] ON [dbo].[HeuristicLabRole](  [roleName] ASC)WITH (PAD_INDEX  = OFF, STATISTICS_NORECOMPUTE  = OFF, SORT_IN_TEMPDB = OFF, IGNORE_DUP_KEY = OFF, DROP_EXISTING = OFF, ONLINE = OFF, ALLOW_ROW_LOCKS  = ON, ALLOW_PAGE_LOCKS  = ON) ON [PRIMARY]";
      command.ExecuteNonQuery();

      command.CommandText = "CREATE UNIQUE NONCLUSTERED INDEX [IDXUserName] ON [dbo].[HeuristicLabUser](  [UserName] ASC)WITH (PAD_INDEX  = OFF, STATISTICS_NORECOMPUTE  = OFF, SORT_IN_TEMPDB = OFF, IGNORE_DUP_KEY = OFF, DROP_EXISTING = OFF, ONLINE = OFF, ALLOW_ROW_LOCKS  = ON, ALLOW_PAGE_LOCKS  = ON) ON [PRIMARY]";
      command.ExecuteNonQuery();
      command.CommandText = "CREATE UNIQUE NONCLUSTERED INDEX [IDXUserEmail] ON [dbo].[HeuristicLabUser](   [Email] ASC)WITH (PAD_INDEX  = OFF, STATISTICS_NORECOMPUTE  = OFF, SORT_IN_TEMPDB = OFF, IGNORE_DUP_KEY = OFF, DROP_EXISTING = OFF, ONLINE = OFF, ALLOW_ROW_LOCKS  = ON, ALLOW_PAGE_LOCKS  = ON) ON [PRIMARY]";
      command.ExecuteNonQuery();
      Console.WriteLine("Created new database!");
    }
  }
}