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docs: #362 uploading cropped images to the external server

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This commit is contained in:
Hamid Reza Mohammadi 2023-01-19 09:04:12 +03:30
parent 51fcf671ee
commit 0439e8a05d
1 changed files with 66 additions and 41 deletions
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107
RMuseum/Services/Implementation/PictureFileService.cs
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@ -157,7 +157,7 @@ namespace RMuseum.Services.Implementation
pictureFile = await _context.PictureFiles.AsNoTracking()
.Where(p => p.Id == id)
.SingleOrDefaultAsync();
if(ImageInfoCacheEnabled)
if (ImageInfoCacheEnabled)
{
_memoryCache.Set(cachKey, pictureFile);
}
@ -508,54 +508,79 @@ namespace RMuseum.Services.Implementation
/// <returns></returns>
public async Task<RServiceResult<RImage>> GenerateCroppedImageBasedOnThumbnailCoordinates(Guid id, decimal left, decimal top, decimal width, decimal height)
{
RPictureFile rPictureFile =
await _context.PictureFiles
.Where(p => p.Id == id)
.SingleOrDefaultAsync();
int adjustedImageWidth = (int)(width * rPictureFile.NormalSizeImageWidth / rPictureFile.ThumbnailImageWidth);
if (adjustedImageWidth > rPictureFile.ThumbnailImageWidth)
adjustedImageWidth = rPictureFile.ThumbnailImageWidth;
int adjustedImageHeight = (int)(height * adjustedImageWidth / width);
int adjusttedLeft = (int)(left * adjustedImageWidth / width);
int adjusttedTop = (int)(top * adjustedImageHeight / height);
string normalImagePath = GetImagePath(rPictureFile, "norm").Result;
using (Image targetImage = new Bitmap(adjustedImageWidth, adjustedImageHeight))
try
{
using (Graphics g = Graphics.FromImage(targetImage))
RPictureFile rPictureFile =
await _context.PictureFiles
.Where(p => p.Id == id)
.SingleOrDefaultAsync();
int adjustedImageWidth = (int)(width * rPictureFile.NormalSizeImageWidth / rPictureFile.ThumbnailImageWidth);
if (adjustedImageWidth > rPictureFile.ThumbnailImageWidth)
adjustedImageWidth = rPictureFile.ThumbnailImageWidth;
int adjustedImageHeight = (int)(height * adjustedImageWidth / width);
int adjusttedLeft = (int)(left * adjustedImageWidth / width);
int adjusttedTop = (int)(top * adjustedImageHeight / height);
string normalImagePath = GetImagePath(rPictureFile, "norm").Result;
using (Image targetImage = new Bitmap(adjustedImageWidth, adjustedImageHeight))
{
using (Image img = Image.FromFile(normalImagePath))
using (Graphics g = Graphics.FromImage(targetImage))
{
g.DrawImage(img, new Rectangle(0, 0, adjustedImageWidth, adjustedImageHeight),
(int)(left * rPictureFile.NormalSizeImageWidth / rPictureFile.ThumbnailImageWidth),
(int)(top * rPictureFile.NormalSizeImageHeight / rPictureFile.ThumbnailImageHeight),
(int)(width * rPictureFile.NormalSizeImageWidth / rPictureFile.ThumbnailImageWidth),
(int)(height * rPictureFile.NormalSizeImageHeight / rPictureFile.ThumbnailImageHeight),
GraphicsUnit.Pixel,
new ImageAttributes()
);
using (Image img = Image.FromFile(normalImagePath))
{
g.DrawImage(img, new Rectangle(0, 0, adjustedImageWidth, adjustedImageHeight),
(int)(left * rPictureFile.NormalSizeImageWidth / rPictureFile.ThumbnailImageWidth),
(int)(top * rPictureFile.NormalSizeImageHeight / rPictureFile.ThumbnailImageHeight),
(int)(width * rPictureFile.NormalSizeImageWidth / rPictureFile.ThumbnailImageWidth),
(int)(height * rPictureFile.NormalSizeImageHeight / rPictureFile.ThumbnailImageHeight),
GraphicsUnit.Pixel,
new ImageAttributes()
);
}
}
using (MemoryStream ms = new MemoryStream())
{
targetImage.Save(ms, ImageFormat.Jpeg);
ms.Position = 0;
RServiceResult<RImage> res = await _simpleImageStorage.Add(null, ms, $"{Path.GetFileNameWithoutExtension(rPictureFile.OriginalFileName)}-cropped-{left}-{top}-{width}-{height}.jpg", "CroppedImages");
if (string.IsNullOrEmpty(res.ExceptionString))
{
RImage image = res.Result;
_context.GeneralImages.Add(image);
await _context.SaveChangesAsync();
if (bool.Parse(Configuration.GetSection("ExternalFTPServer")["UploadEnabled"]))
{
var ftpClient = new AsyncFtpClient
(
Configuration.GetSection("ExternalFTPServer")["Host"],
Configuration.GetSection("ExternalFTPServer")["Username"],
Configuration.GetSection("ExternalFTPServer")["Password"]
);
ftpClient.ValidateCertificate += FtpClient_ValidateCertificate;
await ftpClient.AutoConnect();
ftpClient.Config.RetryAttempts = 3;
var localFilePath = _simpleImageStorage.GetImagePath(image).Result;
var remoteFilePath = $"{Configuration.GetSection("ExternalFTPServer")["RootPath"]}/images/CroppedImages/{Path.GetFileName(localFilePath)}";
await ftpClient.UploadFile(localFilePath, remoteFilePath, createRemoteDir: true);
await ftpClient.Disconnect();
}
return new RServiceResult<RImage>(image);
}
return res;
}
}
using (MemoryStream ms = new MemoryStream())
{
targetImage.Save(ms, ImageFormat.Jpeg);
ms.Position = 0;
RServiceResult<RImage> res = await _simpleImageStorage.Add(null, ms, $"{Path.GetFileNameWithoutExtension(rPictureFile.OriginalFileName)}-cropped-{left}-{top}-{width}-{height}.jpg", "CroppedImages");
if (string.IsNullOrEmpty(res.ExceptionString))
{
RImage image = res.Result;
_context.GeneralImages.Add(image);
await _context.SaveChangesAsync();
return new RServiceResult<RImage>(image);
}
return res;
}
}
catch (Exception exp)
{
return new RServiceResult<RImage>(null, exp.ToString());
}
}
/// <summary>
/// Database Contetxt