/// <summary>
/// Allows the user to dowload the file given.
/// All users.
/// </summary>
/// <param name="docKey">They key of the file to be downloaded</param>
/// <returns>The file to download if successful, otherwise nothing</returns>
public FileResult Download(string docKey)
{
FileStoreService fss = new FileStoreService();
//gets the file based on the file store key
var file = fss.GetFile(docKey).ResponseStream;
var fileType = fss.GetFile(docKey).Headers.ContentType;
//finds the document title for the download
var document = db.Revisions.Where(r => r.fileStoreKey == docKey).SingleOrDefault();
//Service that allows for the use of dowloading
using (var memoryStream = new MemoryStream())
{
//if no a file exists then proceed
if (file != null)
{
//Begin the dowloading procees
file.CopyTo(memoryStream);
byte[] fileBytes = memoryStream.ToArray();
// Promts the user to download the file. File types are unknown
// due to a variety of formats that are supported
return(File(fileBytes, fileType, document.DocumentTitle));
}
else
{
return(null);
}
}
}
public ActionResult Create([Bind(Include = "DocID, RevisionNum, DocumentTitle, Distributees, File")] RevisionViewModel revision)
{
ViewBag.isAuthor = isAuthor();
ViewBag.isAdmin = isAdmin();
if (isAuthor())
{
if (ModelState.IsValid)
{
//Retrieves the document from the revision being created.
var doc = db.Documents.Where(d => d.id == revision.DocID).SingleOrDefault();
var latestRevision = db.Revisions.Where(r => r.document.id == doc.id && r.State == DocumentState.Active).SingleOrDefault();
var distributees = new HashSet <Account>();
if (distributees.Count > 0)
{
distributees = (HashSet <Account>)latestRevision.Distributees;
}
// Files is looking for the corresponding ID in the view
HttpPostedFileBase file = Request.Files["document"];
if (file != null)
{
FileStoreService fss = new FileStoreService();
revision.FileStoreKey = fss.UploadFile(file);
}
//New revision to be added to the database
Revision newRevision = new Revision()
{
//Autogenerated unique identifer
id = Guid.NewGuid().ToString(),
DocumentTitle = revision.DocumentTitle,
RevisionNum = revision.RevisionNum,
//Revision creation date/time set to the current date/time.
DocCreationDate = DateTime.Now,
State = DocumentState.Draft,
//Revision activation date/time set the the current date/time.
ActivationDate = null,
//Revision's document set to the document queryed from database.
document = doc,
//New empty hash of Accounts.
Distributees = distributees.ToList(),
fileStoreKey = revision.FileStoreKey
};
//Adds the new revision to database.
db.Revisions.Add(newRevision);
db.SaveChanges();
//Redirects to the list of distributees.
return(RedirectToAction("SelectUsers", "Revisions", new { newRevision.id }));
}
}
this.AddNotification("Sorry! You do not have permisson to access this page!", NotificationType.ERROR);
return(RedirectToAction("Index", "Home"));
}
