Commit for development environment setup

PROMS/csla20cs-2.1.4-070223/csla20cs/ProjectTracker20cs/ProjectTracker.Library/Assignment.cs

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+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Data;
+using System.Data.SqlClient;
+using Csla;
+using Csla.Validation;
+using Csla.Data;
+using System.Reflection;
+
+namespace ProjectTracker.Library
+{
+  internal interface IHoldRoles
+  {
+    int Role { get; set;}
+  }
+
+  internal static class Assignment
+  {
+
+    #region Business Methods
+
+    public static DateTime GetDefaultAssignedDate()
+    {
+      return DateTime.Today;
+    }
+
+    #endregion
+
+    #region Validation Rules
+
+    /// <summary>
+    /// Ensure the Role property value exists
+    /// in RoleList
+    /// </summary>
+    public static bool ValidRole(object target, RuleArgs e)
+    {
+      int role = ((IHoldRoles)target).Role;
+
+      if (RoleList.GetList().ContainsKey(role))
+        return true;
+      else
+      {
+        e.Description = "Role must be in RoleList";
+        return false;
+      }
+    }
+
+    #endregion
+
+    #region Data Access
+
+    public static byte[] AddAssignment(
+      SqlConnection cn, Guid projectId, int resourceId, 
+      SmartDate assigned, int role)
+    {
+      using (SqlCommand cm = cn.CreateCommand())
+      {
+        cm.CommandText = "addAssignment";
+        return DoAddUpdate(
+          cm, projectId, resourceId, assigned, role);
+      }
+    }
+
+    public static byte[] UpdateAssignment(SqlConnection cn,
+      Guid projectId, int resourceId, SmartDate assigned, 
+      int newRole, byte[] timestamp)
+    {
+      using (SqlCommand cm = cn.CreateCommand())
+      {
+        cm.CommandText = "updateAssignment";
+        cm.Parameters.AddWithValue("@lastChanged", timestamp);
+        return DoAddUpdate(
+          cm, projectId, resourceId, assigned, newRole);
+      }
+    }
+
+    private static byte[] DoAddUpdate(SqlCommand cm,
+      Guid projectId, int resourceId, SmartDate assigned,
+      int newRole)
+    {
+      cm.CommandType = CommandType.StoredProcedure;
+      cm.Parameters.AddWithValue("@projectId", projectId);
+      cm.Parameters.AddWithValue("@resourceId", resourceId);
+      cm.Parameters.AddWithValue("@assigned", assigned.DBValue);
+      cm.Parameters.AddWithValue("@role", newRole);
+      SqlParameter param =
+        new SqlParameter("@newLastChanged", SqlDbType.Timestamp);
+      param.Direction = ParameterDirection.Output;
+      cm.Parameters.Add(param);
+
+      cm.ExecuteNonQuery();
+
+      return (byte[])cm.Parameters["@newLastChanged"].Value;
+    }
+
+    public static void RemoveAssignment(
+      SqlConnection cn, Guid projectId, int resourceId)
+    {
+      using (SqlCommand cm = cn.CreateCommand())
+      {
+        cm.CommandType = CommandType.StoredProcedure;
+        cm.CommandText = "deleteAssignment";
+        cm.Parameters.AddWithValue("@projectId", projectId);
+        cm.Parameters.AddWithValue("@resourceId", resourceId);
+
+        cm.ExecuteNonQuery();
+      }
+    }
+
+    #endregion
+
+  }
+}