private void GetTopEPapers(HttpContext context)
{
using (var dbContext = new Models.DBAccess())
{
context.Response.Write(JsonConvert.SerializeObject(dbContext.EPapers.OrderByDescending(m => m.CreateTime).Take(20).Select(m => new { m.ID, m.BigThumbPath, m.ThumbPath, m.CreateTime, m.Size }).ToList()));
}
}
private void GetEPaperDetails(HttpContext context)
{
var id = Convert.ToInt32(context.Request.Form["id"]);
using (var dbContext = new Models.DBAccess())
{
context.Response.Write(JsonConvert.SerializeObject(dbContext.EPaperDetails.Where(m => m.EPaperID == id).Select(m => new { m.ID, m.Shape, m.Path }).ToList()));
}
}
private void GetEPaper(HttpContext context)
{
var id = Convert.ToInt32(context.Request.Form["id"]);
using (var dbContext = new Models.DBAccess())
{
var epaper = dbContext.EPapers.FirstOrDefault(m => m.ID == id);
if (epaper == null)
{
return;
}
epaper.EPaperDetails.ToList();
context.Response.Write(JsonConvert.SerializeObject(epaper, new JsonSerializerSettings()
{
ReferenceLoopHandling = ReferenceLoopHandling.Ignore
}));
}
}
private void DeleteEPaper(HttpContext context)
{
var id = Convert.ToInt32(context.Request.Form["id"]);
var rootPath = context.Server.MapPath("~/EPapers");
using (var dbContext = new Models.DBAccess())
{
var epaper = dbContext.EPapers.FirstOrDefault(m => m.ID == id);
if (epaper == null)
{
return;
}
TryDeleteFile(Path.Combine(rootPath, epaper.Path));
TryDeleteFile(Path.Combine(rootPath, epaper.ThumbPath));
TryDeleteFile(Path.Combine(rootPath, epaper.BigThumbPath));
foreach (var detail in epaper.EPaperDetails)
{
TryDeleteFile(Path.Combine(rootPath, detail.Path));
}
dbContext.EPaperDetails.RemoveRange(epaper.EPaperDetails);
dbContext.EPapers.Remove(epaper);
dbContext.SaveChanges();
}
}
public void SaveEPaper(HttpContext context)
{
RemoveExtraImages(context.Server.MapPath("~/EPapers/Temp"));
var dataID = 0;
try
{
dataID = Convert.ToInt32(context.Request.Form["dataid"]);
}
catch { }
//process image
var rootPath = context.Server.MapPath("~/EPapers");
var file = "";
Models.EPaper ePaper = null;
var isNew = false;
using (var dbContext = new Models.DBAccess())
{
if (dataID > 0)
{
ePaper = dbContext.EPapers.FirstOrDefault(m => m.ID == dataID);
}
if (ePaper == null)
{
file = Path.Combine(rootPath, "Temp", Path.GetFileName(context.Request.Form["image"]));
}
else
{
file = Path.Combine(rootPath, ePaper.Path);
}
if (!File.Exists(file))
{
context.Response.Write(JsonConvert.SerializeObject(new Models.ReturnResult()
{
IsSuccess = false, Message = "Couldn't find EPaper"
}));
return;
}
//save to DB
var shapes = JArray.Parse(context.Request.Form["shapes"]);
var prefixPath = DateTime.Now.ToString("yyyy/MM/dd");
var storeDir = Path.Combine(rootPath, prefixPath);
if (!Directory.Exists(storeDir))
{
Directory.CreateDirectory(storeDir);
}
var extenstion = Path.GetExtension(file);
using (var image = Image.FromFile(file))
{
if (ePaper == null)
{
isNew = true;
ePaper = new Models.EPaper()
{
CreateTime = DateTime.Now
};
var strSize = "{\"x\":" + image.Width + ",\"y\":" + image.Height;
ePaper.Path = prefixPath + "/" + Guid.NewGuid().ToString() + extenstion;
var size = GetSize(image.Width, image.Height, 180, 135);
strSize += ",\"x1\":" + size.Item1 + ",\"y1\":" + size.Item2;
var thumbImage = image.GetThumbnailImage(size.Item1, size.Item2, () => { return(false); }, IntPtr.Zero);
ePaper.ThumbPath = prefixPath + "/" + Guid.NewGuid().ToString() + extenstion;
thumbImage.Save(Path.Combine(rootPath, ePaper.ThumbPath));
size = GetSize(image.Width, image.Height, 660, 880);
strSize += ",\"x2\":" + size.Item1 + ",\"y2\":" + size.Item2 + "}";
thumbImage = image.GetThumbnailImage(size.Item1, size.Item2, () => { return(false); }, IntPtr.Zero);
ePaper.BigThumbPath = prefixPath + "/" + Guid.NewGuid().ToString() + extenstion;
thumbImage.Save(Path.Combine(rootPath, ePaper.BigThumbPath));
ePaper.Size = strSize;
dbContext.EPapers.Add(ePaper);
dbContext.SaveChanges();
}
foreach (var item in shapes)
{
Models.EPaperDetail detail = null;
var detailID = item.Value <int>("dataid");
if (detailID > 0)
{
detail = ePaper.EPaperDetails.FirstOrDefault(m => m.ID == detailID);
}
if (item.Value <string>("type") == "rect")
{
if (detail == null)
{
detail = new Models.EPaperDetail()
{
EPaperID = ePaper.ID,
Shape = JsonConvert.SerializeObject(item),
Path = prefixPath + "/" + Guid.NewGuid().ToString() + extenstion
};
dbContext.EPaperDetails.Add(detail);
}
else
{
TryDeleteFile(Path.Combine(rootPath, detail.Path));
}
detail.Shape = JsonConvert.SerializeObject(item);
using (Image block = CutImage(image, item.Value <int>("x"), item.Value <int>("y"), item.Value <int>("width"), item.Value <int>("height")))
{
block.Save(Path.Combine(rootPath, detail.Path));
}
}
}
for (var i = 0; i < ePaper.EPaperDetails.Count; i++)
{
if (shapes.FirstOrDefault(m => m.Value <int>("dataid") == ePaper.EPaperDetails.ElementAt(i).ID) == null)
{
dbContext.EPaperDetails.Remove(ePaper.EPaperDetails.ElementAt(i));
i--;
}
}
dbContext.SaveChanges();
}
}
if (isNew)
{
File.Move(file, Path.Combine(rootPath, ePaper.Path));
}
}
