Commit for development environment setup

PROMS/csla20cs-2.1.4-070223/csla20cs/ProjectTracker20cs/ProjectTracker.Library/Admin/Roles.cs

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+using System;
+using System.Data;
+using System.Data.SqlClient;
+using Csla;
+using Csla.Data;
+
+namespace ProjectTracker.Library.Admin
+{
+  /// <summary>
+  /// Used to maintain the list of roles
+  /// in the system.
+  /// </summary>
+  [Serializable()]
+  public class Roles : 
+    BusinessListBase<Roles, Role>
+  {
+    #region Business Methods
+
+    /// <summary>
+    /// Remove a role based on the role's
+    /// id value.
+    /// </summary>
+    /// <param name="id">Id value of the role to remove.</param>
+    public void Remove(int id)
+    {
+      foreach (Role item in this)
+      {
+        if (item.Id == id)
+        {
+          Remove(item);
+          break;
+        }
+      }
+    }
+
+    /// <summary>
+    /// Get a role based on its id value.
+    /// </summary>
+    /// <param name="id">Id valud of the role to return</param>
+    public Role GetRoleById(int id)
+    {
+      foreach (Role item in this)
+        if (item.Id == id)
+          return item;
+      return null;
+    }
+
+    protected override object AddNewCore()
+    {
+      Role item = Role.NewRole();
+      Add(item);
+      return item;
+    }
+
+    #endregion
+
+    #region Authorization Rules
+
+    public static bool CanAddObject()
+    {
+      return Csla.ApplicationContext.User.IsInRole("Administrator");
+    }
+
+    public static bool CanGetObject()
+    {
+      return true;
+    }
+
+    public static bool CanDeleteObject()
+    {
+      return Csla.ApplicationContext.User.IsInRole("Administrator");
+    }
+
+    public static bool CanEditObject()
+    {
+      return Csla.ApplicationContext.User.IsInRole("Administrator");
+    }
+
+    #endregion
+
+    #region Factory Methods
+
+    public static Roles GetRoles()
+    {
+      return DataPortal.Fetch<Roles>(new Criteria());
+    }
+
+    private Roles()
+    {
+      this.AllowNew = true;
+    }
+
+    #endregion
+
+    #region Data Access
+
+    [Serializable()]
+    private class Criteria
+    { /* no criteria */ }
+
+    public override Roles Save()
+    {
+      // see if save is allowed
+      if (!CanEditObject())
+        throw new System.Security.SecurityException(
+          "User not authorized to save roles");
+
+      // do the save
+      Roles result;
+      result = base.Save();
+      // this runs on the client and invalidates
+      // the RoleList cache
+      RoleList.InvalidateCache();
+      return result;
+    }
+
+    protected override void DataPortal_OnDataPortalInvokeComplete(
+      DataPortalEventArgs e)
+    {
+      if (ApplicationContext.ExecutionLocation == 
+        ApplicationContext.ExecutionLocations.Server)
+      {
+        // this runs on the server and invalidates
+        // the RoleList cache
+        RoleList.InvalidateCache();
+      }
+    }
+
+    private void DataPortal_Fetch(Criteria criteria)
+    {
+      RaiseListChangedEvents = false;
+      using (SqlConnection cn = new SqlConnection(Database.PTrackerConnection))
+      {
+        cn.Open();
+        using (SqlCommand cm = cn.CreateCommand())
+        {
+          cm.CommandType = CommandType.StoredProcedure;
+          cm.CommandText = "getRoles";
+
+          using (SafeDataReader dr = new SafeDataReader(cm.ExecuteReader()))
+            while (dr.Read())
+              this.Add(Role.GetRole(dr));
+        }
+      }
+      RaiseListChangedEvents = true;
+    }
+
+    [Transactional(TransactionalTypes.TransactionScope)]
+    protected override void DataPortal_Update()
+    {
+      this.RaiseListChangedEvents = false;
+      using (SqlConnection cn = new SqlConnection(Database.PTrackerConnection))
+      {
+        cn.Open();
+        foreach (Role item in DeletedList)
+        {
+          item.DeleteSelf(cn);
+        }
+        DeletedList.Clear();
+
+        foreach (Role item in this)
+        {
+          if (item.IsNew)
+            item.Insert(cn);
+          else
+            item.Update(cn);
+        }
+      }
+      this.RaiseListChangedEvents = true;
+    }
+
+    #endregion
+
+  }
+}