///// <summary>
///// Saves the memory stream to my documents with the provided title
///// </summary>
///// <param name="title">The title.</param>
///// <param name="stream">The stream.</param>
///// <returns>
///// The full path of the saved file
///// </returns>
//public static string Save(string title, MemoryStream stream)
//{
// string filePath = FileHelper.GetMyDocumentFilePath(title);
// using (FileStream fileStream = File.OpenWrite(filePath))
// {
// stream.WriteTo(fileStream);
// }
// return filePath;
//}
///// <summary>
///// Saves the stream to the my documents with the title
///// Optionally opends
///// </summary>
///// <param name="open">if set to <c>true</c> [open].</param>
///// <param name="title">The title.</param>
///// <param name="stream">The stream.</param>
///// <returns>
///// The full path of the saved file
///// </returns>
//public static string SaveAndOpen(bool open, string title, MemoryStream stream)
//{
// // call save and open
// string outputFile = Save(title, stream);
// if (open)
// {
// ThreadPool.QueueUserWorkItem(
// (obj) =>
// {
// Process.Start(outputFile);
// });
// }
// return outputFile;
//}
#region Build of export sets
/// <summary>
/// Creates a list of export sets matching parts based on the provided data.
/// For each data part try and find a matching export part.
/// If any mandatory export parts havent been provided with data an exception will be thrown.
/// </summary>
/// <param name="dataParts">The data parts.</param>
/// <param name="exportMetadata">The export metadata.</param>
/// <param name="templatePackage">The template package.</param>
/// <returns></returns>
/// <exception cref="MetadataException"></exception>
private List <ExportTripleSet> BuildSets(IEnumerable <IDataPart> dataParts, ExportMetadata exportMetadata, ExcelTemplatePackage templatePackage)
{
// pair up the data with the export part and keep them for use later
var sets = new List <ExportTripleSet>();
// for each data part get the matching export part
foreach (var dataPart in dataParts)
{
if (dataPart == null)
{
continue;
}
// return the ExportPart(s) that matches with the provided data part
foreach (var exportPart in SafePartMatch(dataPart, exportMetadata.Parts))
{
// return a new instance of the template
var template = templatePackage.GetTemplateByTemplateId(exportPart.TemplateId);
// and add the 3 items to the set
sets.Add(new ExportTripleSet(dataPart, exportPart, template));
}
}
// get a list of mandatory parts
var mandatoryExportParts = from p in exportMetadata.Parts
where p.IsMandatory
select p;
StringBuilder errors = new StringBuilder();
// and for each of these check that they've been added to the set
foreach (var mandatory in mandatoryExportParts)
{
bool match = (from s in sets
where s.Part == mandatory
select s).Any();
// if we cant find one them add to our list of errors
if (!match)
{
errors.Append("No DataPart supplied for mandatory export part <");
errors.Append(mandatory.PartId);
errors.Append(">");
errors.Append(Environment.NewLine);
}
}
// then throw any missing mandatorys as a metadata exception
if (errors.Length > 0)
{
throw new MetadataException(errors.ToString());
}
return(sets);
}
/// <summary>
/// Adds a set of parameters as debug data parts.
/// </summary>
/// <param name="dataParts">The data parts.</param>
/// <param name="metadata">The metadata.</param>
/// <param name="exportParameters">The export parameters.</param>
/// <returns></returns>
private static IEnumerable <IDataPart> AddDebugPart(IEnumerable <IDataPart> dataParts, ExportMetadata metadata, ExportParameters exportParameters)
{
if (exportParameters != null && exportParameters.IncludeDebug)
{
var exportDP = new ExportParametersDataPart(exportParameters);
dataParts = dataParts.Concat(new[] { exportDP });
metadata.Parts.Add(new ExportPart
{
PartId = exportDP.PartId,
DataSheetHidden = true,
DataSheetName = "_Parameters",
TemplateId = "Common.DebugTemplate"
});
}
return(dataParts);
}
///// <summary>
///// Creates an excel file containing data provided in the dataparts.
///// Each IDatapart will match with an ExportPart of the same PartId
///// and will use this information to output the data in the desired format.
///// </summary>
///// <param name="open">true to open, false to not</param>
///// <param name="title">The title.</param>
///// <param name="dataParts">The data parts to output</param>
///// <param name="metadata">The metadata.</param>
///// <param name="exportParameters">Optional export parameters.</param>
///// <returns>The full path of the created file</returns>
//public string ExportToExcel(bool open, string title, IEnumerable<IDataPart> dataParts, ExportMetadata metadata, ExcelTemplatePackage templatePackage, ExportParameters exportParameters = null)
//{
// if (string.IsNullOrEmpty(title))
// {
// throw new ArgumentNullException("targetFilePath");
// }
// if (dataParts == null)
// {
// throw new ArgumentNullException("dataParts");
// }
// if (metadata == null)
// {
// throw new ArgumentNullException("metadata");
// }
// if (templatePackage == null)
// {
// throw new ArgumentNullException("templatePackage");
// }
// // Adds the parameters as a data part (creates a hidden sheet)
// dataParts = AddDebugPart(dataParts, metadata, exportParameters);
// // build our sets of DataParts, ExportParts, ExportTemplates
// List<ExportTripleSet> sets = this.BuildSets(dataParts, metadata, templatePackage);
// if (sets.Count == 0)
// {
// throw new ExportException("Nothing to export, no matching DataParts, ExportParts, ExportTemplates found");
// }
// var stream = this.ExcelExportInternal(exportParameters, metadata, sets, dataParts, templatePackage);
// if (!title.EndsWith(".xls") && !title.EndsWith(".xlsx"))
// {
// title = string.Concat(title, ".xlsx");
// }
// return SaveAndOpen(open, title, stream);
//}
/// <summary>
/// Exports to excel memory stream.
/// </summary>
/// <param name="dataParts">The data parts.</param>
/// <param name="metadata">The metadata.</param>
/// <param name="templatePackage">The template package.</param>
/// <param name="exportParameters">The export parameters.</param>
/// <returns></returns>
public ExportToMemoryStreamResult ExportToExcelMemoryStream(IEnumerable <IDataPart> dataParts, ExportMetadata metadata, ExcelTemplatePackage templatePackage, ExportParameters exportParameters = null)
{
var result = new ExportToMemoryStreamResult();
if (dataParts == null)
{
throw new ArgumentNullException("dataParts");
}
if (metadata == null)
{
throw new ArgumentNullException("metadata");
}
if (templatePackage == null)
{
throw new ArgumentNullException("templatePackage");
}
dataParts = AddDebugPart(dataParts, metadata, exportParameters);
// build our sets of DataParts, ExportParts, ExportTemplates
List <ExportTripleSet> sets = this.BuildSets(dataParts, metadata, templatePackage);
if (sets.Count == 0)
{
throw new ExportException("Nothing to export, no matching DataParts, ExportParts, ExportTemplates found");
}
try
{
result.MemoryStream = this.ExcelExportInternal(exportParameters, metadata, sets, dataParts, templatePackage);
}
catch (Exception ex)
{
result.Error = ex;
}
return(result);
}
