private void check_for_bib()
{
DataSet bibInfo = SobekCM_Database.Get_Item_Details(bibIdTextBox.Text.Trim(), String.Empty, null);
if ((bibInfo != null) && (bibInfo.Tables[0].Rows.Count > 0))
{
titleLabel.Text = bibInfo.Tables[0].Rows[0]["GroupTitle"].ToString();
vidComboBox.Items.Clear();
DataColumn vidColumn = bibInfo.Tables[1].Columns["VID"];
foreach (DataRow vidRow in bibInfo.Tables[1].Rows)
{
vidComboBox.Items.Add(vidRow[vidColumn].ToString());
}
vidComboBox.SelectedIndex = vidComboBox.Items.Count - 1;
bibidLabel.Text = bibIdTextBox.Text.Trim();
executeButton.Button_Enabled = true;
}
else
{
vidComboBox.Items.Clear();
titleLabel.Text = String.Empty;
executeButton.Button_Enabled = false;
}
}
/// <summary> Constructor for a new instance of the Delete_Item_MySobekViewer class </summary>
/// <param name="User"> Authenticated user information </param>
/// <param name="Current_Mode"> Mode / navigation information for the current request</param>
/// <param name="All_Items_Lookup"> Allows individual items to be retrieved by various methods as <see cref="SobekCM.Library.Application_State.Single_Item"/> objects.</param>
/// <param name="Tracer">Trace object keeps a list of each method executed and important milestones in rendering</param>
public Delete_Item_MySobekViewer(User_Object User,
SobekCM_Navigation_Object Current_Mode,
Item_Lookup_Object All_Items_Lookup,
Custom_Tracer Tracer)
: base(User)
{
Tracer.Add_Trace("Delete_Item_MySobekViewer.Constructor", "Delete this item");
// Save mode and set defaults
currentMode = Current_Mode;
errorCode = -1;
// First, ensure this is a logged on user and system administrator before continuing
Tracer.Add_Trace("Delete_Item_MySobekViewer.Constructor", "Validate user permissions");
if ((User == null) || ((!User.Is_System_Admin) && (User.UserName.ToLower() != "neldamaxs")))
{
Tracer.Add_Trace("Delete_Item_MySobekViewer.Constructor", "User does not have delete permissions", Custom_Trace_Type_Enum.Error);
errorCode = 1;
}
// Second, ensure the item is valid
if (errorCode == -1)
{
Tracer.Add_Trace("Delete_Item_MySobekViewer.Constructor", "Validate item exists");
if (!All_Items_Lookup.Contains_BibID_VID(Current_Mode.BibID, Current_Mode.VID))
{
Tracer.Add_Trace("Delete_Item_MySobekViewer.Constructor", "Item indicated is not valid", Custom_Trace_Type_Enum.Error);
errorCode = 2;
}
}
// Get the current item details
string bib_location = String.Empty;
string vid_location = String.Empty;
if (errorCode == -1)
{
// Get item details
DataSet itemDetails = SobekCM_Database.Get_Item_Details(currentMode.BibID, currentMode.VID, Tracer);
// If the itemdetails was null, this item is somehow invalid item then
if (itemDetails == null)
{
Tracer.Add_Trace("Delete_Item_MySobekViewer.Constructor", "Item indicated is not valid", Custom_Trace_Type_Enum.Error);
errorCode = 2;
}
else
{
// Get the location for this METS file from the returned value
DataRow mainItemRow = itemDetails.Tables[2].Rows[0];
bib_location = SobekCM_Library_Settings.Image_Server_Network + mainItemRow["File_Location"].ToString().Replace("/", "\\");
vid_location = bib_location + "\\" + currentMode.VID;
}
}
// If this is a postback, handle any events first
if ((currentMode.isPostBack) && (errorCode < 0))
{
Debug.Assert(User != null, "User != null");
// Pull the standard values
string save_value = HttpContext.Current.Request.Form["admin_delete_item"];
string text_value = HttpContext.Current.Request.Form["admin_delete_confirm"];
// Better say "DELETE", or just send back to the item
if ((save_value == null) || (save_value.ToUpper() != "DELETE") || (text_value.ToUpper() != "DELETE"))
{
HttpContext.Current.Response.Redirect(Current_Mode.Base_URL + currentMode.BibID + "/" + currentMode.VID);
}
else
{
errorCode = 0;
// Perform the database delete
Tracer.Add_Trace("Delete_Item_MySobekViewer.Constructor", "Perform database update");
bool database_result = SobekCM_Database.Delete_SobekCM_Item(currentMode.BibID, currentMode.VID, User.Is_System_Admin, String.Empty);
if (!database_result)
{
Tracer.Add_Trace("Delete_Item_MySobekViewer.Constructor", "Error performing delete in the database", Custom_Trace_Type_Enum.Error);
errorCode = 3;
}
else
{
// Move the folder to deletes
try
{
Tracer.Add_Trace("Delete_Item_MySobekViewer.Constructor", "Move resource files to DELETED folder");
// Make sure upper deleted folder exists, or create it
string delete_folder = SobekCM_Library_Settings.Image_Server_Network + "DELETED";
if (!Directory.Exists(delete_folder))
{
Directory.CreateDirectory(delete_folder);
}
// Create the bib level folder next
string bib_folder = SobekCM_Library_Settings.Image_Server_Network + "DELETED\\" + currentMode.BibID;
if (!Directory.Exists(bib_folder))
{
Directory.CreateDirectory(bib_folder);
}
// Ensure the VID folder does not exist
string vid_folder = SobekCM_Library_Settings.Image_Server_Network + "DELETED\\" + currentMode.BibID + "\\" + currentMode.VID;
if (Directory.Exists(vid_folder))
{
Directory.Move(vid_folder, vid_folder + "_OLD");
}
// Move the VID folder over now
Directory.Move(vid_location, vid_folder);
// Check if this was the last VID under this BIB
if (Directory.GetDirectories(bib_location).Length == 0)
{
// Move all files over to the bib folder then
string[] bib_files = Directory.GetFiles(bib_location);
foreach (string thisFile in bib_files)
{
string fileName = (new FileInfo(thisFile)).Name;
string new_file = bib_folder + "\\" + fileName;
File.Move(thisFile, new_file);
}
}
}
catch (Exception ee)
{
Tracer.Add_Trace("Delete_Item_MySobekViewer.Constructor", "Error moving the folder and files to the DELETED folder", Custom_Trace_Type_Enum.Error);
Tracer.Add_Trace("Delete_Item_MySobekViewer.Constructor", ee.Message, Custom_Trace_Type_Enum.Error);
Tracer.Add_Trace("Delete_Item_MySobekViewer.Constructor", ee.StackTrace, Custom_Trace_Type_Enum.Error);
errorCode = 4;
}
// Remove from the item list
All_Items_Lookup.Remove_Item(currentMode.BibID, currentMode.VID);
// Also remove from the cache
Cached_Data_Manager.Remove_Digital_Resource_Object(currentMode.BibID, currentMode.VID, Tracer);
}
}
}
}
/// <summary> Builds a digital resource for a single volume within a title </summary>
/// <param name="BibID"> Bibliographic identifier for the title </param>
/// <param name="VID"> Volume identifier for the title </param>
/// <param name="Icon_Dictionary"> Dictionary of information about every wordmark/icon in this digital library, used to build the HTML for the icons linked to this digital resource</param>
/// <param name="Tracer"> Trace object keeps a list of each method executed and important milestones in rendering</param>
/// <returns> Fully built version of a digital resource </returns>
public SobekCM_Item Build_Item(string BibID, string VID, Dictionary <string, Wordmark_Icon> Icon_Dictionary, Custom_Tracer Tracer)
{
if (Tracer != null)
{
Tracer.Add_Trace("SobekCM_METS_Based_ItemBuilder.Build_Item", "Create the requested item");
}
try
{
// Get the basic information about this item
DataSet itemDetails = SobekCM_Database.Get_Item_Details(BibID, VID, Tracer);
// If the itemdetails was null, this item is somehow invalid item then
if (itemDetails == null)
{
return(null);
}
// Get the location for this METS file from the returned value
DataRow mainItemRow = itemDetails.Tables[2].Rows[0];
string mets_location = mainItemRow["File_Location"] + "/" + VID;
if (mets_location.Length < 10)
{
mets_location = BibID.Substring(0, 2) + "/" + BibID.Substring(2, 2) + "/" + BibID.Substring(4, 2) + "/" + BibID.Substring(6, 2) + "/" + BibID.Substring(8) + "/" + VID;
}
// Get the response object for this METS file
string mets_file = mets_location.Replace("\\", "/") + "/" + BibID + "_" + VID + ".mets.xml";
if (mets_file.IndexOf("http:") < 0)
{
mets_file = SobekCM_Library_Settings.Image_Server_Network + mets_file;
}
// Could point directly to a METS file in some off-site location, in which case, use it
if (mets_location.IndexOf(".mets") > 0)
{
mets_file = mets_location;
}
// Try to read the UFDC service METS
SobekCM_Item thisPackage = Build_Item_From_METS(mets_file, BibID + "_" + VID + ".mets.xml", Tracer);
if (thisPackage == null)
{
if (Tracer != null)
{
Tracer.Add_Trace("SobekCM_METS_Based_ItemBuilder.Build_Item", "Unable to read the UFDC service METS file", Custom_Trace_Type_Enum.Error);
}
return(null);
}
if (Tracer != null)
{
Tracer.Add_Trace("SobekCM_METS_Based_ItemBuilder.Build_Item", "Finish building this item");
}
// Check to see if multiple sibling volumes exist
bool multiple_volumes_exist = false;
if (Convert.ToInt32(mainItemRow["Total_Volumes"]) > 1)
{
multiple_volumes_exist = true;
}
// Now finish building the object from the application state values
Finish_Building_Item(thisPackage, itemDetails, multiple_volumes_exist);
return(thisPackage);
}
catch (Exception ee)
{
if (Tracer != null)
{
Tracer.Add_Trace("SobekCM_METS_Based_ItemBuilder.Build_Item", ee.ToString().Replace("\n", "<br />"), Custom_Trace_Type_Enum.Error);
}
return(null);
}
}
