/// <summary>
/// Uploads image by resizing and storing it.
/// </summary>
/// <param name="source"></param>
/// <param name="resizes"></param>
/// <param name="fileName"></param>
/// <param name="contentType"></param>
/// <param name="uploadedOn"></param>
/// <param name="appType"></param>
/// <param name="userId"></param>
/// <param name="uploadFrom"></param>
/// <returns></returns>
public async Task <Media> UploadImageAsync(Stream source,
List <ImageResizeInfo> resizes,
string fileName,
string contentType,
string title,
DateTimeOffset uploadedOn,
EAppType appType,
int userId,
EUploadedFrom uploadFrom = EUploadedFrom.Browser)
{
int resizeCount = 0;
var(widthOrig, heightOrig) = GetOriginalSize(source);
foreach (var resize in resizes)
{
using (var dest = new MemoryStream())
{
// each time source is read, it needs reset
source.Position = 0;
// don't resize original png and gif may output large file size, save it as is
if (resize.TargetSize == int.MaxValue)
{
await _storageProvider.SaveFileAsync(source, fileName, resize.Path, resize.PathSeparator);
}
else if (Math.Max(widthOrig, heightOrig) > resize.TargetSize) // only resize and save when it's larger than target
{
resizeCount++;
Resize(source, dest, resize.TargetSize);
dest.Position = 0;
await _storageProvider.SaveFileAsync(dest, fileName, resize.Path, resize.PathSeparator);
}
}
}
// create record in db
var media = new Media
{
UserId = userId,
AppType = appType,
FileName = fileName,
Title = title,
Description = null,
Length = source.Length,
MediaType = EMediaType.Image,
UploadedOn = uploadedOn,
UploadedFrom = uploadFrom,
Width = widthOrig,
Height = heightOrig,
Caption = title,
ContentType = contentType,
Alt = title,
ResizeCount = resizeCount,
};
await _mediaRepo.CreateAsync(media);
return(media);
}
public static string GetAppName(uint appID, out EAppType appType)
{
App data;
using (var db = Database.Get())
{
data = db.Query <App>("SELECT `AppID`, `Apps`.`Name`, `LastKnownName`, `Apps`.`AppType` FROM `Apps` WHERE `AppID` = @AppID", new { AppID = appID }).SingleOrDefault();
}
appType = data.AppID == 0 || data.AppType == EAppType.Invalid ? EAppType.Application : data.AppType;
return(FormatAppName(appID, data));
}
/// <summary>
/// Uploads image by resizing and storing it.
/// </summary>
/// <param name="source"></param>
/// <param name="resizes"></param>
/// <param name="fileName"></param>
/// <param name="contentType"></param>
/// <param name="uploadedOn"></param>
/// <param name="appType"></param>
/// <param name="userId"></param>
/// <param name="uploadFrom"></param>
/// <returns></returns>
public async Task <Media> UploadImageAsync(Stream source,
List <ImageResizeInfo> resizes,
string fileName,
string contentType,
string title,
DateTimeOffset uploadedOn,
EAppType appType,
int userId,
EUploadedFrom uploadFrom = EUploadedFrom.Browser)
{
int widthOrig;
int heightOrig;
int resizeCount = 0;
if (contentType.Equals("image/gif"))
{
using (var imageColl = new MagickImageCollection(source))
{
widthOrig = imageColl[0].Width;
heightOrig = imageColl[0].Height;
// currently for gif I only save original so there is no resizing
// TODO: with ImageMagick resizing a gif take a long time
// plus the resized gif has a larger file size than original
// I tried limit gif length to 800px, but even resizing to small has these issues
// resize and store
foreach (var resize in resizes)
{
// save original without resizing
if (resize.TargetSize == int.MaxValue)
{
source.Position = 0;
await _storageProvider.SaveFileAsync(source, fileName, resize.Path, resize.PathSeparator);
}
//else if (Math.Max(widthOrig, heightOrig) > resize.TargetSize)
//{
// resizeCount++;
// var (width, height) = GetNewSize(widthOrig, heightOrig, resize.TargetSize);
// imageColl.Coalesce();
// foreach (var image in imageColl)
// {
// var colors = image.TotalColors;
// image.Resize(width, height); // resize will make # of colors higher
// image.Quantize(new QuantizeSettings
// {
// Colors = colors, // set it back to the smaller original colors
// DitherMethod = DitherMethod.No
// });
// }
// imageColl.Optimize();
// await _storageProvider.SaveFileAsync(imageColl.ToByteArray(), fileName, resize.Path, resize.PathSeparator);
//}
}
}
}
else if (contentType.Equals("image/png"))
{
using (var image = new MagickImage(source))
{
widthOrig = image.Width;
heightOrig = image.Height;
foreach (var resize in resizes)
{
// save original without resizing for png
if (resize.TargetSize == int.MaxValue)
{
source.Position = 0;
await _storageProvider.SaveFileAsync(source, fileName, resize.Path, resize.PathSeparator);
}
else if (Math.Max(widthOrig, heightOrig) > resize.TargetSize)
{
resizeCount++;
var(width, height) = GetNewSize(widthOrig, heightOrig, resize.TargetSize);
//image.Quality = 75; // does not seem to affect output file size, so commented out
image.Resize(width, height);
await _storageProvider.SaveFileAsync(image.ToByteArray(), fileName, resize.Path, resize.PathSeparator);
}
}
}
}
else // jpg
{
using (var image = new MagickImage(source))
{
widthOrig = image.Width;
heightOrig = image.Height;
foreach (var resize in resizes)
{
if (resize.TargetSize == int.MaxValue || Math.Max(widthOrig, heightOrig) > resize.TargetSize)
{
if (resize.TargetSize != int.MaxValue)
{
resizeCount++;
}
var(width, height) = GetNewSize(widthOrig, heightOrig, resize.TargetSize);
// setting the Quality is needed for having it here makes a difference for a smaller output file size!
image.Quality = 85; // 75 is default
image.Resize(width, height);
await _storageProvider.SaveFileAsync(image.ToByteArray(), fileName, resize.Path, resize.PathSeparator);
}
}
}
}
// create record in db
var media = new Media
{
UserId = userId,
AppType = appType,
FileName = fileName,
Title = title,
Description = null,
Length = source.Length,
MediaType = EMediaType.Image,
UploadedOn = uploadedOn,
UploadedFrom = uploadFrom,
Width = widthOrig,
Height = heightOrig,
Caption = title,
ContentType = contentType,
Alt = title,
ResizeCount = resizeCount,
};
await _mediaRepo.CreateAsync(media);
return(media);
}
/// <summary>
/// Returns full path to a file after saving it to Azure Blob Storage.
/// </summary>
/// <param name="userId">The id of the user who uploads.</param>
/// <param name="fileName">Slugged filename with ext.</param>
/// <param name="year">Upload year.</param>
/// <param name="month">Upload month.</param>
/// <param name="content">The content of file.</param>
/// <param name="appId">Which app it uploaded it.</param>
/// <returns></returns>
public async Task <string> SaveFileAsync(int userId, string fileName, string year, string month, byte[] content, EAppType appId)
{
// blobName "blog/1/2017/11/filename", container is "media"
string blobName = string.Format("{0}/{1}/{2}/{3}/{4}",
appId.ToString().ToLowerInvariant(),
userId,
year,
month,
fileName);
// get a ref to blob which does not call server
var blob = _container.GetBlockBlobReference(blobName);
// make sure blob is unique
int i = 1;
while (await blob.ExistsAsync())
{
blobName = blobName.Insert(blobName.LastIndexOf('.'), $"-{i}");
blob = _container.GetBlockBlobReference(blobName);
}
// set content type
blob.Properties.ContentType = MimeTypeMap.GetMimeType(Path.GetExtension(fileName));
// create blob with contents
await blob.UploadFromByteArrayAsync(content, 0, content.Length);
return(blob.Uri.ToString());
}
public bool Deserialize(JSON_BuffEffectParam json)
{
if (json == null)
{
return(false);
}
this.iname = json.iname;
this.job = json.job;
this.buki = json.buki;
this.birth = json.birth;
this.sex = (ESex)json.sex;
this.un_group = json.un_group;
this.elem = Convert.ToInt32(json.elem.ToString("d7"), 2);
this.rate = (OInt)json.rate;
this.turn = (OInt)json.turn;
this.chk_target = (EffectCheckTargets)json.chktgt;
this.chk_timing = (EffectCheckTimings)json.timing;
this.cond = (ESkillCondition)json.cond;
this.mIsUpBuff = (OBool)false;
this.mUpTiming = (EffectCheckTimings)json.up_timing;
this.mAppType = (EAppType)json.app_type;
this.mAppMct = json.app_mct;
this.mEffRange = (EEffRange)json.eff_range;
this.mFlags = (BuffFlags)0;
if (json.is_up_rep != 0)
{
this.mFlags |= BuffFlags.UpReplenish;
}
if (json.is_no_dis != 0)
{
this.mFlags |= BuffFlags.NoDisabled;
}
if (json.is_no_bt != 0)
{
this.mFlags |= BuffFlags.NoBuffTurn;
}
ParamTypes type1 = (ParamTypes)json.type1;
ParamTypes type2 = (ParamTypes)json.type2;
ParamTypes type3 = (ParamTypes)json.type3;
ParamTypes type4 = (ParamTypes)json.type4;
ParamTypes type5 = (ParamTypes)json.type5;
ParamTypes type6 = (ParamTypes)json.type6;
ParamTypes type7 = (ParamTypes)json.type7;
ParamTypes type8 = (ParamTypes)json.type8;
ParamTypes type9 = (ParamTypes)json.type9;
ParamTypes type10 = (ParamTypes)json.type10;
ParamTypes type11 = (ParamTypes)json.type11;
int length = 0;
if (type1 != ParamTypes.None)
{
++length;
}
if (type2 != ParamTypes.None)
{
++length;
}
if (type3 != ParamTypes.None)
{
++length;
}
if (type4 != ParamTypes.None)
{
++length;
}
if (type5 != ParamTypes.None)
{
++length;
}
if (type6 != ParamTypes.None)
{
++length;
}
if (type7 != ParamTypes.None)
{
++length;
}
if (type8 != ParamTypes.None)
{
++length;
}
if (type9 != ParamTypes.None)
{
++length;
}
if (type10 != ParamTypes.None)
{
++length;
}
if (type11 != ParamTypes.None)
{
++length;
}
if (length > 0)
{
this.buffs = new BuffEffectParam.Buff[length];
int index = 0;
if (type1 != ParamTypes.None)
{
this.buffs[index] = new BuffEffectParam.Buff();
this.buffs[index].type = type1;
this.buffs[index].value_ini = (OInt)json.vini1;
this.buffs[index].value_max = (OInt)json.vmax1;
this.buffs[index].value_one = (OInt)json.vone1;
this.buffs[index].calc = (SkillParamCalcTypes)json.calc1;
++index;
}
if (type2 != ParamTypes.None)
{
this.buffs[index] = new BuffEffectParam.Buff();
this.buffs[index].type = type2;
this.buffs[index].value_ini = (OInt)json.vini2;
this.buffs[index].value_max = (OInt)json.vmax2;
this.buffs[index].value_one = (OInt)json.vone2;
this.buffs[index].calc = (SkillParamCalcTypes)json.calc2;
++index;
}
if (type3 != ParamTypes.None)
{
this.buffs[index] = new BuffEffectParam.Buff();
this.buffs[index].type = type3;
this.buffs[index].value_ini = (OInt)json.vini3;
this.buffs[index].value_max = (OInt)json.vmax3;
this.buffs[index].value_one = (OInt)json.vone3;
this.buffs[index].calc = (SkillParamCalcTypes)json.calc3;
++index;
}
if (type4 != ParamTypes.None)
{
this.buffs[index] = new BuffEffectParam.Buff();
this.buffs[index].type = type4;
this.buffs[index].value_ini = (OInt)json.vini4;
this.buffs[index].value_max = (OInt)json.vmax4;
this.buffs[index].value_one = (OInt)json.vone4;
this.buffs[index].calc = (SkillParamCalcTypes)json.calc4;
++index;
}
if (type5 != ParamTypes.None)
{
this.buffs[index] = new BuffEffectParam.Buff();
this.buffs[index].type = type5;
this.buffs[index].value_ini = (OInt)json.vini5;
this.buffs[index].value_max = (OInt)json.vmax5;
this.buffs[index].value_one = (OInt)json.vone5;
this.buffs[index].calc = (SkillParamCalcTypes)json.calc5;
++index;
}
if (type6 != ParamTypes.None)
{
this.buffs[index] = new BuffEffectParam.Buff();
this.buffs[index].type = type6;
this.buffs[index].value_ini = (OInt)json.vini6;
this.buffs[index].value_max = (OInt)json.vmax6;
this.buffs[index].value_one = (OInt)json.vone6;
this.buffs[index].calc = (SkillParamCalcTypes)json.calc6;
++index;
}
if (type7 != ParamTypes.None)
{
this.buffs[index] = new BuffEffectParam.Buff();
this.buffs[index].type = type7;
this.buffs[index].value_ini = (OInt)json.vini7;
this.buffs[index].value_max = (OInt)json.vmax7;
this.buffs[index].value_one = (OInt)json.vone7;
this.buffs[index].calc = (SkillParamCalcTypes)json.calc7;
++index;
}
if (type8 != ParamTypes.None)
{
this.buffs[index] = new BuffEffectParam.Buff();
this.buffs[index].type = type8;
this.buffs[index].value_ini = (OInt)json.vini8;
this.buffs[index].value_max = (OInt)json.vmax8;
this.buffs[index].value_one = (OInt)json.vone8;
this.buffs[index].calc = (SkillParamCalcTypes)json.calc8;
++index;
}
if (type9 != ParamTypes.None)
{
this.buffs[index] = new BuffEffectParam.Buff();
this.buffs[index].type = type9;
this.buffs[index].value_ini = (OInt)json.vini9;
this.buffs[index].value_max = (OInt)json.vmax9;
this.buffs[index].value_one = (OInt)json.vone9;
this.buffs[index].calc = (SkillParamCalcTypes)json.calc9;
++index;
}
if (type10 != ParamTypes.None)
{
this.buffs[index] = new BuffEffectParam.Buff();
this.buffs[index].type = type10;
this.buffs[index].value_ini = (OInt)json.vini10;
this.buffs[index].value_max = (OInt)json.vmax10;
this.buffs[index].value_one = (OInt)json.vone10;
this.buffs[index].calc = (SkillParamCalcTypes)json.calc10;
++index;
}
if (type11 != ParamTypes.None)
{
this.buffs[index] = new BuffEffectParam.Buff();
this.buffs[index].type = type11;
this.buffs[index].value_ini = (OInt)json.vini11;
this.buffs[index].value_max = (OInt)json.vmax11;
this.buffs[index].value_one = (OInt)json.vone11;
this.buffs[index].calc = (SkillParamCalcTypes)json.calc11;
int num = index + 1;
}
foreach (BuffEffectParam.Buff buff in this.buffs)
{
if ((int)buff.value_one != 0)
{
this.mIsUpBuff = (OBool)true;
break;
}
}
}
if (json.custom_targets != null)
{
this.custom_targets = new string[json.custom_targets.Length];
for (int index = 0; index < json.custom_targets.Length; ++index)
{
this.custom_targets[index] = json.custom_targets[index];
}
}
return(true);
}
public bool Deserialize(JSON_BuffEffectParam json)
{
if (json == null)
{
return(false);
}
this.iname = json.iname;
this.job = json.job;
this.buki = json.buki;
this.birth = json.birth;
this.sex = (ESex)json.sex;
this.elem = Convert.ToInt32(json.elem.ToString("d7"), 2);
this.rate = (OInt)json.rate;
this.turn = (OInt)json.turn;
this.chk_target = (EffectCheckTargets)json.chktgt;
this.chk_timing = (EffectCheckTimings)json.timing;
this.cond = (ESkillCondition)json.cond;
this.mAppType = (EAppType)json.app_type;
this.mAppMct = json.app_mct;
this.mEffRange = (EEffRange)json.eff_range;
ParamTypes type1 = (ParamTypes)json.type1;
ParamTypes type2 = (ParamTypes)json.type2;
ParamTypes type3 = (ParamTypes)json.type3;
ParamTypes type4 = (ParamTypes)json.type4;
ParamTypes type5 = (ParamTypes)json.type5;
ParamTypes type6 = (ParamTypes)json.type6;
ParamTypes type7 = (ParamTypes)json.type7;
ParamTypes type8 = (ParamTypes)json.type8;
ParamTypes type9 = (ParamTypes)json.type9;
ParamTypes type10 = (ParamTypes)json.type10;
int length = 0;
if (type1 != ParamTypes.None)
{
++length;
}
if (type2 != ParamTypes.None)
{
++length;
}
if (type3 != ParamTypes.None)
{
++length;
}
if (type4 != ParamTypes.None)
{
++length;
}
if (type5 != ParamTypes.None)
{
++length;
}
if (type6 != ParamTypes.None)
{
++length;
}
if (type7 != ParamTypes.None)
{
++length;
}
if (type8 != ParamTypes.None)
{
++length;
}
if (type9 != ParamTypes.None)
{
++length;
}
if (type10 != ParamTypes.None)
{
++length;
}
if (length > 0)
{
this.buffs = new BuffEffectParam.Buff[length];
int index = 0;
if (type1 != ParamTypes.None)
{
this.buffs[index] = new BuffEffectParam.Buff();
this.buffs[index].type = type1;
this.buffs[index].value_ini = (OInt)json.vini1;
this.buffs[index].value_max = (OInt)json.vmax1;
this.buffs[index].calc = (SkillParamCalcTypes)json.calc1;
++index;
}
if (type2 != ParamTypes.None)
{
this.buffs[index] = new BuffEffectParam.Buff();
this.buffs[index].type = type2;
this.buffs[index].value_ini = (OInt)json.vini2;
this.buffs[index].value_max = (OInt)json.vmax2;
this.buffs[index].calc = (SkillParamCalcTypes)json.calc2;
++index;
}
if (type3 != ParamTypes.None)
{
this.buffs[index] = new BuffEffectParam.Buff();
this.buffs[index].type = type3;
this.buffs[index].value_ini = (OInt)json.vini3;
this.buffs[index].value_max = (OInt)json.vmax3;
this.buffs[index].calc = (SkillParamCalcTypes)json.calc3;
++index;
}
if (type4 != ParamTypes.None)
{
this.buffs[index] = new BuffEffectParam.Buff();
this.buffs[index].type = type4;
this.buffs[index].value_ini = (OInt)json.vini4;
this.buffs[index].value_max = (OInt)json.vmax4;
this.buffs[index].calc = (SkillParamCalcTypes)json.calc4;
++index;
}
if (type5 != ParamTypes.None)
{
this.buffs[index] = new BuffEffectParam.Buff();
this.buffs[index].type = type5;
this.buffs[index].value_ini = (OInt)json.vini5;
this.buffs[index].value_max = (OInt)json.vmax5;
this.buffs[index].calc = (SkillParamCalcTypes)json.calc5;
++index;
}
if (type6 != ParamTypes.None)
{
this.buffs[index] = new BuffEffectParam.Buff();
this.buffs[index].type = type6;
this.buffs[index].value_ini = (OInt)json.vini6;
this.buffs[index].value_max = (OInt)json.vmax6;
this.buffs[index].calc = (SkillParamCalcTypes)json.calc6;
++index;
}
if (type7 != ParamTypes.None)
{
this.buffs[index] = new BuffEffectParam.Buff();
this.buffs[index].type = type7;
this.buffs[index].value_ini = (OInt)json.vini7;
this.buffs[index].value_max = (OInt)json.vmax7;
this.buffs[index].calc = (SkillParamCalcTypes)json.calc7;
++index;
}
if (type8 != ParamTypes.None)
{
this.buffs[index] = new BuffEffectParam.Buff();
this.buffs[index].type = type8;
this.buffs[index].value_ini = (OInt)json.vini8;
this.buffs[index].value_max = (OInt)json.vmax8;
this.buffs[index].calc = (SkillParamCalcTypes)json.calc8;
++index;
}
if (type9 != ParamTypes.None)
{
this.buffs[index] = new BuffEffectParam.Buff();
this.buffs[index].type = type9;
this.buffs[index].value_ini = (OInt)json.vini9;
this.buffs[index].value_max = (OInt)json.vmax9;
this.buffs[index].calc = (SkillParamCalcTypes)json.calc9;
++index;
}
if (type10 != ParamTypes.None)
{
this.buffs[index] = new BuffEffectParam.Buff();
this.buffs[index].type = type10;
this.buffs[index].value_ini = (OInt)json.vini10;
this.buffs[index].value_max = (OInt)json.vmax10;
this.buffs[index].calc = (SkillParamCalcTypes)json.calc10;
int num = index + 1;
}
}
return(true);
}
/// <summary>
/// Returns media url after upload to storage.
/// </summary>
/// <param name="userId">Id of the user uploading the media.</param>
/// <param name="fileName">File name with ext.</param>
/// <param name="content">File content</param>
/// <param name="appId">Which app it uploaded it.</param>
/// <returns></returns>
/// <remarks>
/// Note: This method is optimized for metaweblog use with olw, other apps have totally
/// different file logic.
///
/// Depending on the storage provider, the returned media url could be relative path
/// (File Sys) or absolute path (Azure Blog).
/// </remarks>
public async Task <string> UploadMediaAsync(int userId, string fileName, byte[] content, EAppType appId, EUploadedFrom uploadFrom)
{
// verify ext is supported
var ext = Path.GetExtension(fileName);
if (ext.IsNullOrEmpty() || !Accepted_Image_Types.Contains(ext, StringComparer.InvariantCultureIgnoreCase))
{
throw new FanException("Upload file type is not supported.");
}
// time
var uploadedOn = DateTimeOffset.UtcNow;
var year = uploadedOn.Year.ToString();
var month = uploadedOn.Month.ToString("d2");
// make sure file name is not too long
var fileNameWithoutExt = Path.GetFileNameWithoutExtension(fileName);
if (fileNameWithoutExt.Length > MEDIA_FILENAME_MAXLEN)
{
fileNameWithoutExt = fileNameWithoutExt.Substring(0, MEDIA_FILENAME_MAXLEN);
}
// there is a quirk file uploaded from olw had "_2" suffixed to the name
if (uploadFrom == EUploadedFrom.MetaWeblog && fileNameWithoutExt.EndsWith("_2"))
{
fileNameWithoutExt = fileNameWithoutExt.Remove(fileNameWithoutExt.Length - 2);
}
// slug file name
// chinese fn ends up emtpy and the thumb file with chinese fn ends up with only "thumb"
var slug = Util.FormatSlug(fileNameWithoutExt);
if (slug.IsNullOrEmpty())
{
slug = Util.RandomString(6);
}
else if (uploadFrom == EUploadedFrom.MetaWeblog && slug == "thumb")
{
slug = string.Concat(Util.RandomString(6), "_thumb");
}
string fileNameSlugged = $"{slug}{ext}";
// save file to storage and get back file path
var filePath = await _storageProvider.SaveFileAsync(userId, fileNameSlugged, year, month, content, EAppType.Blog);
// encode filename
var fileNameEncoded = WebUtility.HtmlEncode(fileNameWithoutExt);
// since file name could have been updated for uniqueness
var start = filePath.LastIndexOf('/') + 1;
var uniqueFileName = filePath.Substring(start, filePath.Length - start);
// save record to db
var media = new Media
{
UserId = userId,
AppId = appId,
FileName = uniqueFileName, // unique filename from storage provider
Title = fileNameEncoded, // original filename
Description = null,
Length = content.LongLength,
MediaType = EMediaType.Image,
UploadedOn = uploadedOn,
UploadedFrom = uploadFrom,
};
await _mediaRepo.CreateAsync(media);
return(filePath);
}
public void SetApplicationType(EAppType value)
{
_app_temp_settings[APPLICATION_TYPE] = ((int)value).ToString();
}
public static void SetAppType(int type)
{
appType = (EAppType)type;
}
/// <summary>
/// Returns relative path to a file after saving it on the file system.
/// </summary>
/// <param name="userId">The id of the user who uploads.</param>
/// <param name="fileName">Slugged filename with ext.</param>
/// <param name="year">Upload year.</param>
/// <param name="month">Upload month.</param>
/// <param name="content">The content of file.</param>
/// <param name="appId">Which app it uploaded it.</param>
/// <returns></returns>
public async Task <string> SaveFileAsync(int userId, string fileName, string year, string month, byte[] content, EAppType appId)
{
// app name
var appName = appId.ToString().ToLowerInvariant();
// dir to save this file in
var dirPath = string.Format("{0}\\{1}\\{2}\\{3}\\{4}\\{5}",
_hostingEnvironment.WebRootPath,
_appSettings.MediaContainerName,
appName,
userId,
year,
month);
// make sure dir exists
if (!Directory.Exists(dirPath))
{
Directory.CreateDirectory(dirPath);
}
// combine dir and filename
var filePath = Path.Combine(dirPath, fileName);
// make sure file is unique
int i = 1;
while (File.Exists(filePath))
{
fileName = fileName.Insert(fileName.LastIndexOf('.'), $"-{i}");
filePath = Path.Combine(dirPath, fileName);
}
// save file to file sys
using (var targetStream = File.Create(filePath))
using (MemoryStream stream = new MemoryStream(content))
{
await stream.CopyToAsync(targetStream);
}
// returns relative path
return($"{_appSettings.MediaContainerName}/{appName}/{userId}/{year}/{month}/{fileName}");
}
/// <summary>
/// Uploads image by resizing and storing it.
/// </summary>
/// <param name="source"></param>
/// <param name="resizes"></param>
/// <param name="fileName"></param>
/// <param name="contentType"></param>
/// <param name="uploadedOn"></param>
/// <param name="appType"></param>
/// <param name="userId"></param>
/// <param name="uploadFrom"></param>
/// <returns></returns>
public async Task <Media> UploadImageAsync(Stream source,
List <ImageResizeInfo> resizes,
string fileName,
string contentType,
string title,
DateTimeOffset uploadedOn,
EAppType appType,
int userId,
EUploadedFrom uploadFrom = EUploadedFrom.Browser)
{
int widthOrig;
int heightOrig;
int resizeCount = 0;
if (contentType.Equals("image/gif"))
{
using (var imageColl = new MagickImageCollection(source))
{
widthOrig = imageColl[0].Width;
heightOrig = imageColl[0].Height;
// resize and store
foreach (var resize in resizes)
{
// save original without resizing, currently I couldn't dec original file size by resizing with ImageMagick
if (resize.TargetSize == int.MaxValue)
{
source.Position = 0;
await _storageProvider.SaveFileAsync(source, fileName, resize.Path, resize.PathSeparator);
}
else if (Math.Max(widthOrig, heightOrig) > resize.TargetSize)
{
resizeCount++;
var(width, height) = GetNewSize(widthOrig, heightOrig, resize.TargetSize);
imageColl.Coalesce();
foreach (var image in imageColl)
{
var colors = image.TotalColors;
image.Resize(width, height); // resize will make # of colors higher
image.Quantize(new QuantizeSettings
{
Colors = colors, // set it back to the smaller original colors
DitherMethod = DitherMethod.No
});
}
imageColl.Optimize();
await _storageProvider.SaveFileAsync(imageColl.ToByteArray(), fileName, resize.Path, resize.PathSeparator);
}
}
}
}
else if (contentType.Equals("image/png"))
{
using (var image = new MagickImage(source))
{
widthOrig = image.Width;
heightOrig = image.Height;
foreach (var resize in resizes)
{
// save original without resizing for png
if (resize.TargetSize == int.MaxValue)
{
source.Position = 0;
await _storageProvider.SaveFileAsync(source, fileName, resize.Path, resize.PathSeparator);
}
else if (Math.Max(widthOrig, heightOrig) > resize.TargetSize)
{
resizeCount++;
var(width, height) = GetNewSize(widthOrig, heightOrig, resize.TargetSize);
//image.Quality = 75; // does not seem to affect output file size, so commented out
image.Resize(width, height);
await _storageProvider.SaveFileAsync(image.ToByteArray(), fileName, resize.Path, resize.PathSeparator);
}
}
}
}
else // jpg
{
using (var image = new MagickImage(source))
{
widthOrig = image.Width;
heightOrig = image.Height;
foreach (var resize in resizes)
{
if (resize.TargetSize == int.MaxValue || Math.Max(widthOrig, heightOrig) > resize.TargetSize)
{
if (resize.TargetSize != int.MaxValue)
{
resizeCount++;
}
var(width, height) = GetNewSize(widthOrig, heightOrig, resize.TargetSize);
image.Quality = 75; // though 75 is default, having it here does make a difference on making output file size smaller!
image.Resize(width, height);
await _storageProvider.SaveFileAsync(image.ToByteArray(), fileName, resize.Path, resize.PathSeparator);
}
}
}
}
// create record in db
var media = new Media
{
UserId = userId,
AppType = appType,
FileName = fileName,
Title = title,
Description = null,
Length = source.Length,
MediaType = EMediaType.Image,
UploadedOn = uploadedOn,
UploadedFrom = uploadFrom,
Width = widthOrig,
Height = heightOrig,
Caption = title,
ContentType = contentType,
Alt = title,
ResizeCount = resizeCount,
};
await _mediaRepo.CreateAsync(media);
return(media);
}
