public Operation <string> UpdateProfileImage(EncodedBinaryData image, string oldImageUrl)
=> _authorizer.AuthorizeAccess(UserContext.CurrentProcessPermissionProfile(), () =>
{
var user = UserContext.CurrentUser();
var url = _blobStore.Delete(oldImageUrl) //shouldnt fail even if oldImageUrl is null
.Then(opr => _blobStore.Persist(image))
.Resolve();
//create the ProfileImage UserData and store the url
var userData = _query.GetUserData(user, Constants.UserData_ProfileImage) ?? new UserData
{
Name = Constants.UserData_ProfileImage,
OwnerId = user.UserId,
Type = CommonDataType.Url
};
//set the data
userData.Data = url;
if (userData.EntityId > 0)
{
return(_pcommand.Update(userData).Resolve().Data);
}
else
{
return(_pcommand.Add(userData).Resolve().Data);
}
});
public Operation <string> Persist(EncodedBinaryData blob)
=> Operation.Try(() =>
{
var mime = blob.MimeObject();
var fileName = GenerateUniqueName(mime);
using (var stream = new FileInfo(fileName).OpenWrite())
stream.Write(blob.Data, 0, blob.Data.Length);
if (!string.IsNullOrWhiteSpace(blob.Metadata))
{
using (var writer = new StreamWriter(new FileInfo(fileName + ".meta").OpenWrite()))
{
blob.MetadataTags().ForAll((cnt, next) => writer.WriteLine(next));
writer.Flush();
}
}
return(UrlProvider.GenerateBlobUrl(new FileInfo(fileName).Name));
});