public ActionResult GetImageGPS(string Id)
{
using (Image_context db = new Image_context())
{
int id = Int32.Parse(Id);
Image_base img = db.Images.SingleOrDefault(f => f.Id == id);
StringBuilder sb = new StringBuilder();
try
{
using (var reader = new ExifReader(img.url))
{
object val;
reader.GetTagValue(ExifTags.GPSLatitudeRef, out val);
string gps = RenderTag(val);
reader.GetTagValue(ExifTags.GPSLatitude, out val);
gps = gps + " " + RenderTag(val);
reader.GetTagValue(ExifTags.GPSLongitudeRef, out val);
gps = gps + " " + RenderTag(val);
reader.GetTagValue(ExifTags.GPSLongitude, out val);
gps = gps + " " + RenderTag(val);
Response.Write(gps);
}
}
catch (Exception ex)
{
var error = ex.Message.ToString();
Response.Write(null);
}
}
return null;
}
//
// GET: /Home/
public ActionResult Index()
{
using (Image_context db = new Image_context())
{
IEnumerable<int> guids = db.Images.Select(img => img.Id).ToList();
return View(guids);
}
}
public ActionResult GetImageInfo(string Id)
{
using (Image_context db = new Image_context())
{
int id = Int32.Parse(Id);
Image_base img = db.Images.SingleOrDefault(f => f.Id == id);
StringBuilder sb = new StringBuilder();
sb.AppendFormat("<h2>IMAGE INFO FROM DATABASE</h2>");
sb.AppendFormat("<p>Load Date: {0}</p>", img.load_date);
sb.AppendFormat("<p>Change Date: {0}</p>", img.change_date);
try
{
using (var reader = new ExifReader(img.url))
{
// Parse through all available fields and generate key-value labels
var props = Enum.GetValues(typeof(ExifTags)).Cast<ushort>().Select(tagID =>
{
object val;
if (reader.GetTagValue(tagID, out val))
{
// Special case - some doubles are encoded as TIFF rationals. These
// items can be retrieved as 2 element arrays of {numerator, denominator}
if (val is double)
{
int[] rational;
if (reader.GetTagValue(tagID, out rational))
val = string.Format("{0} ({1}/{2})", val, rational[0], rational[1]);
}
return string.Format("<p>{0}: {1}</p>", Enum.GetName(typeof(ExifTags), tagID), RenderTag(val));
}
return null;
}).Where(x => x != null).ToArray();
var exifdata = string.Join("\r\n", props);
sb.AppendFormat("<h2>EXIF FROM IMAGE</h2>");
sb.AppendFormat("<p>{0}</p>", exifdata);
}
}
catch (Exception ex)
{
// Something didn't work!
sb.AppendFormat("<h2>EXIF FROM IMAGE</h2>");
sb.AppendFormat("<p>{0}</p>", ex.Message.ToString());
}
Response.Write(sb.ToString());
return null;
}
}
public FileContentResult viewimage(int id)
{
using (Image_context db = new Image_context())
{
Image_base img = db.Images.SingleOrDefault(f => f.Id == id);
FileStream file = new FileStream(img.url, FileMode.Open, FileAccess.Read);
MemoryStream ms = new MemoryStream();
file.CopyTo(ms);
file.Close();
return File(ms.GetBuffer(), img.imgtype);
}
}
public ActionResult UploadImage(HttpPostedFileBase[] files)
{
if (files[0]!=null)
{
foreach (var file in files)
{
using (Image_context db = new Image_context())
{
MemoryStream ms = new MemoryStream();
file.InputStream.CopyTo(ms);
Image_base image = new Image_base
{
url = ServerPath + "\\images\\" + file.FileName,
user_description = null,
load_date = DateTime.Now.ToString(),
change_date = DateTime.Now.ToString(),
imgtype = file.ContentType
};
db.Images.Add(image);
db.SaveChanges();
System.IO.Directory.CreateDirectory(ServerPath + "\\images\\");
string path =ServerPath + "\\images\\" + file.FileName;
FileStream newfile = new FileStream(path, FileMode.Create, FileAccess.Write);
ms.WriteTo(newfile);
newfile.Close();
Response.Write(true);
}
}
}
return RedirectToAction("Index", "Home");
}
public ActionResult RemoveImage(string Id)
{
using (Image_context db = new Image_context())
{
int id = Int32.Parse(Id);
Image_base image = db.Images.SingleOrDefault(f => f.Id == id);
string url = image.url;
var img = new Image_base { Id = id };
if (System.IO.File.Exists(url))
System.IO.File.Delete(url);
db.Images.Attach(image);
db.Images.Remove(image);
db.SaveChanges();
}
return RedirectToAction("Index", "Home");
}
public ActionResult GetSetComments(user_request request)
{
using (Image_context db = new Image_context())
{
int id = Int32.Parse(request.Id);
Image_base img = db.Images.SingleOrDefault(f => f.Id == id);
StringBuilder sb = new StringBuilder();
if (request.Text == null)
{
if (img.user_description != null)
{
sb.AppendFormat("<li class=\"editable\" data-value=\"{0}\"> {1} </li>", id, img.user_description);
Response.Write(sb.ToString());
}
else
{
sb.AppendFormat("<li class=\"editable\" data-value=\"{0}\"> No Comments </li>", id);
Response.Write(sb.ToString());
}
}
else
{
img.user_description = request.Text;
img.change_date = DateTime.Now.ToString();
var original = db.Images.Find(img.Id);
if (original != null)
{
original.change_date = img.change_date;
original.user_description = img.user_description;
db.SaveChanges();
}
}
return null;
}
}
