public ActionResult Publish(ViewModel model)
{
// Save to storage and redirect to '/Published/{id}'.
var codeid = CodeId.FromCode(model.Code);
const int thumbnailSize = 120;
var graphbin = Convert.FromBase64String(model.GraphicDataURL.Split(',').Last());
var thumbbin = default(byte[]);
using(var ms1 = new MemoryStream(graphbin))
using(var ms2 = new MemoryStream()){
var png = Image.FromStream(ms1);
var thumbnail = new Bitmap(thumbnailSize, thumbnailSize);
using (var g = Graphics.FromImage(thumbnail))
{
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.DrawImage(png, 0, 0, 120, 120);
}
thumbnail.Save(ms2, ImageFormat.Png);
thumbbin = ms2.GetBuffer();
}
var entity = new Entity
{
PartitionKey = codeid.PartitionKey,
RowKey = codeid.RowKey,
CodeAsBytes = Encoding.UTF8.GetBytes(model.Code),
Graphic = graphbin,
Thumbnail = thumbbin
};
this.Repository.Add(entity);
return RedirectToAction("Detail", "Published", new { id = codeid.RowKey });
}
public ActionResult Index(string id)
{
var model = default(ViewModel);
if (string.IsNullOrWhiteSpace(id) == false)
{
var entity = this.Repository.Find(CodeId.FromRowKey(id));
if (entity != null)
{
model = new ViewModel {
Code = Encoding.UTF8.GetString(entity.CodeAsBytes)
};
}
}
return View(model);
}
public ActionResult Detail(string id)
{
var codeid = CodeId.FromRowKey(id);
var allRowKeys = this.Repository.GetAllRowKeys().ToArray(); // Sorted by date time desc.
var prevRowKey = allRowKeys.Reverse().SkipWhile(rowKey => rowKey != codeid.RowKey).Skip(1).FirstOrDefault() ?? "";
var nextRowKey = allRowKeys.SkipWhile(rowKey => rowKey != codeid.RowKey).Skip(1).FirstOrDefault() ?? "";
var entity = this.Repository.Find(codeid);
var model = new ViewModel
{
Code = Encoding.UTF8.GetString(entity.CodeAsBytes),
GraphicDataURL = "data:image/jpeg;base64," + Convert.ToBase64String(entity.Graphic),
PrevRowKey = prevRowKey,
NextRowKey = nextRowKey
};
return View(model);
}