/// <summary>
/// Extracts the primary media-adress from toc And inserts it into the target string.
/// </summary>
/// <param name="fromTocString">
/// The toc string from which the primary media-address will be extracted.
/// </param>
/// <param name="toTargetStr">
/// The string into which the primary media-adress will be inserted.
/// </param>
public static string UpdatePrimaryAccessLink(string itemID, string fromToc, string toTarget)
{
ImportOptions directories = new UserSettingsService().GetImportOptions();
string objectName = GetObjectName(fromToc);
string toc = fromToc.ToLower();
if (toc.Contains("arcmusicmp3") || toc.Contains("arcaudiomp3"))
return new Mp3Album(directories.AudioProjectDirectory + "\\" + objectName, toc.Contains("arcmusicmp3") ? "ArcMusicMP3" : "ArcAudioMP3").InsertPrimaryAccessLink(fromToc, toTarget);
if (toc.Contains("myvideo"))
return new M4vAlbum(directories.AudioProjectDirectory + "\\" + objectName).InsertPrimaryAccessLink(fromToc, toTarget);
if (toc.Contains("mydocs"))
return new PdfCollection(directories.DocumentProjectDirectory + "\\" + objectName).InsertPrimaryAccessLink(fromToc, toTarget);
return toTarget;
}
public static bool CheckDigitalObjectDirectory(string itemId, ref string tocString, ref string signatureStr, StringDictionary itemDescriptors )
{
bool result = false;
if ((tocString.Contains("$$TOC$$=")) && (tocString.Contains("XXXXX_")))
{
ImportOptions directories = new UserSettingsService().GetImportOptions();
string objectName = tocString.Substring(tocString.IndexOf("XXXXX_") + "XXXXX_".Length,tocString.IndexOf("/",tocString.IndexOf("XXXXX_")) - tocString.IndexOf("XXXXX_") -"XXXXX_".Length);
string objectType = tocString.Contains("ArcMusicMp3") ? "ArcMusicMp3" : "ArcAudioMp3";
Mp3Album digObj = new Mp3Album(directories.AudioProjectDirectory + "\\" + objectName, objectType);
digObj.Read();
if (digObj.ElementCount > 0)
{
bool[] includeElements = new bool[digObj.ElementCount];
string newSigStr = "JB: MyMusic=" + digObj.GenerateAccessLink(itemId) + "; ";
string newTocStr = tocString.Replace("XXXXX_", itemId + "_");
for (int i = 0; i < digObj.ElementCount; i++)
{
string theFileName = digObj.SelectElement(i + 1).DigitalObjectIdentifier(DigitalObject.DOIdentifier.filename);
if (includeElements[i] = newTocStr.Contains(theFileName))
newTocStr = newTocStr.Replace(theFileName, "TRACK" + (i+1) + ".m3u");
}
if (itemDescriptors.ContainsKey("Abstract"))
itemDescriptors["Abstract"] = newTocStr;
tocString = newTocStr;
signatureStr += signatureStr.Contains(newSigStr) ? "" : " " + newSigStr;
try
{
digObj.GenerateAccessStructure(itemId, includeElements);
digObj.ChangeDescriptionElements(itemDescriptors, includeElements);
result = true;
}
catch (Exception ex)
{
throw new Exception("Directory for digital object could not be created. " + ex.Message, ex.InnerException);
}
}
}
return result;
}
/// <summary>
/// Builds the actual query.
/// </summary>
/// <param name="queryString">
/// queryString == null | "" : Rebuilds actual query from stored query state parameters or returns the default query.
/// queryString != null : Builds a new query from queryString and stores it in query state parameters.
/// </param>
/// <param name="stateType">
/// stateType == ListViewState : (Re)builds actual query for ListView.
/// stateType == BrowseViewState : (Re)builds actual query for BrowseView.
/// stateType == ItemViewState : (Re)builds actual query for SingleItemView.
/// </param>
/// <returns>
/// Actual query.
/// </returns>
public static RQquery GetQueryFromState(string queryString, UserState.States stateType)
{
RQquery query = null;
state = (ViewState)UserState.Get(stateType);
if (state == null)
{
if (string.IsNullOrEmpty(queryString))
query = new RQquery("$recent$recent additions", "recent");
else
query = new RQquery(queryString);
state = new ViewState(stateType); //, queryString);
state.query = query;
//state.Save();
}
else
{
string querytest;
UserSettingsService us = new UserSettingsService();
query = (RQquery)state.query;
if (! string.IsNullOrEmpty(queryString) && queryString.StartsWith("$") && queryString.LastIndexOf("$") > 1)
querytest = queryString.Substring(0, queryString.LastIndexOf("$")+1) + query.QueryString;
else
querytest = query.QueryString;
//if ( (! string.IsNullOrEmpty(queryString) && querytest != queryString)
// || (query.QueryExternal == "" && us.GetIncludeExternal() == true)
// || (query.QueryExternal != "" && us.GetIncludeExternal() == false) )
//{
// query = new RQquery(! string.IsNullOrEmpty(queryString) ? queryString : query.QueryString);
// query.QueryExternal = us.GetIncludeExternal() == true ? "003" : "";
// state.query = query;
// //state.Save();
//}
if (!string.IsNullOrEmpty(queryString) && querytest != queryString)
query = new RQquery(! string.IsNullOrEmpty(queryString) ? queryString : query.QueryString);
query.QueryExternal = us.GetIncludeExternal() == true ? "003" : "";
state.query = query;
}
return query;
}
/// <summary>
/// Checks and updates the digital object directory and writes changes to the toc and signature strings.
/// Checks and updates concern the directory name and the names of media and access structure files (f. e. playlist files)
/// </summary>
/// <param name="itemId">
/// Id of the RQItem record of the digital object.
/// </param>
/// <param name="tocString">
/// The toc string (normally stored in the RQItem record of the digital object).
/// </param>
/// <param name="signatureStr">
/// The signature string (normally stored in the RQItem record of the digital object).</param>
/// <param name="itemDescriptors">
/// A string dictionary of field names (keys) and field contents (values) of the RQItem record of the digital object.
/// </param>
/// <returns>
/// True if update was successful.
/// Updated values in tocString and signatureStr.
/// </returns>
public static bool UpdateDigitalObjectDirectory(string itemId, ref string tocString, ref string signatureStr, StringDictionary itemDescriptors)
{
bool result = false;
string toc = tocString.ToLower();
if (toc.Contains("$$toc$$="))
{
ImportOptions directories = new UserSettingsService().GetImportOptions();
string objectName = GetObjectName(tocString);
if (toc.Contains("arcmusicmp3") || toc.Contains("arcaudiomp3") )
return new Mp3Album(directories.AudioProjectDirectory + "\\" + objectName.Replace("XXXXX_", ""), toc.Contains("arcmusicmp3") ? "ArcMusicMP3" : "ArcAudioMP3").BindTo(itemId, ref tocString, ref signatureStr, itemDescriptors);
if (toc.Contains("myvideo"))
return new M4vAlbum(directories.VideoProjectDirectory + "\\" + objectName).BindTo(itemId, ref tocString, ref signatureStr, itemDescriptors);
if (toc.Contains("mydocs"))
return new PdfCollection(directories.DocumentProjectDirectory + "\\" + objectName).BindTo(itemId, ref tocString, ref signatureStr, itemDescriptors);
}
return result;
}