public ActionResult Upload(photo photo)
{
if (ModelState.IsValid)
{
//only members can upload so check if user logged in else redirect to login page
var loggedUser = GetLoggedUser();
if (loggedUser == null)
{
return RedirectToAction("LogOn", "Account");
}
//get the uploaded file
HttpPostedFileBase file = Request.Files[0] as HttpPostedFileBase;
//check if the length of file > 0 i.e. its not a empty file
if (file.ContentLength > 0)
{
var fileName = Path.GetFileNameWithoutExtension(file.FileName); //just filename
var fileExt = Path.GetExtension(file.FileName); // file extension
var destinationDirectory = Path.Combine(Server.MapPath("~/Images/Uploads/"), loggedUser.id.ToString()); //where the image is going to be uploaded
var newFileTemp = loggedUser.id.ToString() + "_" + DateTime.Now.ToString("yyyyMMddHHmmssfff"); // filename format
var newFileName = newFileTemp + "_L" + fileExt; //append the size L(large);M(Medium);S(Small) to the filename
var path = Path.Combine(destinationDirectory, newFileName);
try
{
//start transaction
using (TransactionScope scope = new TransactionScope())
{
//if the directory does not exist create it
if (!Directory.Exists(destinationDirectory))
{
Directory.CreateDirectory(destinationDirectory);
}
// now save the file to the path
file.SaveAs(path);
//get the exif data of the image
//thanks to http://www.goheer.com for this simple utility
exif_data exifData = GetImageExifData(path);
//create medium thumbnail
var thumbMedium = newFileTemp + "_M" + fileExt;
CreateThumbnail(path, ImageSize.Medium, Path.Combine(destinationDirectory, thumbMedium));
//create small thumbnail
var thumbSmall = newFileTemp + "_S" + fileExt;
CreateThumbnail(path, ImageSize.Small, Path.Combine(destinationDirectory, thumbSmall));
//save this photo to the data
/*
*INSERT INTO `photoshare`.`photos`(`name`,`description`,`uploaded_date`,`user_id`,`photo_url_o`,`photo_url_m`,`photo_url_s`,`photo_category`,`tags`,`views_count`,`likes_count`)
VALUES(?,?,?,?,?,?,?,?,?,?,?);
*/
photo.photo_url_o = Url.Content("~/Images/Uploads/" + loggedUser.id.ToString() + "/" + newFileName);
photo.photo_url_m = Url.Content("~/Images/Uploads/" + loggedUser.id.ToString() + "/" + thumbMedium);
photo.photo_url_s = Url.Content("~/Images/Uploads/" + loggedUser.id.ToString() + "/" + thumbSmall);
photo.user_id = loggedUser.id;
photo.views_count = 0;
photo.likes_count = 0;
photo.popularity = 0;
photo.comments_count = 0;
photo.favs_count = 0;
db.photos.Add(photo);
db.SaveChanges();
//save to exif_data
/**
* INSERT INTO `photoshare`.`exif_data`(`photo_id`,`camera`,`aperture`,`shutter_speed`,`iso`,`date_taken`,`focal_length`)VALUES(?,?,?,?,?,?,?);
*/
exifData.photo = photo;
db.exif_data.Add(exifData);
db.SaveChanges();
//everything went well complete the transaction
scope.Complete();
}
return RedirectToAction("Index", "User");
}
catch
{
//something bad has heppened. delete the original file if it was saved
FileInfo _file = new FileInfo(path);
if (_file.Exists)
{
_file.Delete();
}
}
}
else
{
ModelState.AddModelError("", "Please select a valid file");
}
}
ViewBag.photo_category = new SelectList(db.categories, "category_id", "category_name", photo.photo_category);
return View(photo);
}
public ActionResult GenerateFakePhotos()
{
List<user> users;
using (var db2 = new photoshareEntities())
{
users = db2.users.ToList();
}
foreach (user u in users)
{
using (TransactionScope scope = new TransactionScope())
{
for (int i = 0; i < 10; i++)
{
int cat_id = new Random().Next(1, 21);
int randDays = new Random().Next(1, 28);
photo p = new photo
{
uploaded_date = DateTime.Now.AddMonths(-1).AddDays(randDays),
description = RandomString(200),
name = RandomString(10),
photo_category = cat_id,
tags = RandomString(5) + "," + RandomString(5) + "," + RandomString(5),
user_id = u.id,
views_count = 0,
photo_url_o = string.Format("/Images/Uploads/{0}/{1}.jpg", u.id.ToString(), (i + 1).ToString() + "_L"),
photo_url_m = string.Format("/Images/Uploads/{0}/{1}.jpg", u.id.ToString(), (i + 1).ToString() + "_M"),
photo_url_s = string.Format("/Images/Uploads/{0}/{1}.jpg", u.id.ToString(), (i + 1).ToString() + "_S")
};
db.photos.Add(p);
}
db.SaveChanges();
scope.Complete();
}
}
return RedirectToAction("Index", "User");
}
public ActionResult Edit(photo photo)
{
try
{
if (ModelState.IsValid)
{
db.Entry(photo).State = EntityState.Modified;
db.SaveChanges();
return RedirectToAction("Details", "Photo", new { id = photo.id });
}
}
catch (DbEntityValidationException dbEx)
{
foreach (var validationErrors in dbEx.EntityValidationErrors)
{
foreach (var validationError in validationErrors.ValidationErrors)
{
Trace.TraceInformation("Property: {0} Error: {1}", validationError.PropertyName, validationError.ErrorMessage);
}
}
}
ViewBag.photo_category = new SelectList(db.categories, "category_id", "category_name", photo.photo_category);
ViewBag.exif_data = new SelectList(db.exif_data, "id", "manufacturer", photo.exif_data);
ViewBag.user_id = new SelectList(db.users, "id", "first_name", photo.user_id);
return View(photo);
}