public static async Task <CommandResponse <string> > GenerateAvatar(Stream imageStream, string fileName, string mimetype, bool purgeTempFile = true)
{
var fileManager = FileManager.Instance;
var fileCheck = fileManager.IsUploadPermitted(fileName, FileType.Avatar, mimetype, imageStream.Length);
if (fileCheck.Success)
{
var key = new FileKey();
key.FileType = FileType.Avatar;
key.ID = await GenerateRandomFilename(Path.GetExtension(fileName), FileType.Avatar);
await GenerateImageThumbnail(fileManager, key, imageStream, VoatSettings.Instance.AvatarSize, false, false);
return(CommandResponse.Successful(key.ID));
}
return(CommandResponse.FromStatus <string>(null, fileCheck.Status, fileCheck.Message));
}
public async Task <CommandResponse <Domain.Models.Set> > CreateOrUpdateSet(Set set)
{
DemandAuthentication();
set.Name = set.Name.TrimSafe();
//Evaulate Rules
var context = new VoatRuleContext(User);
context.PropertyBag.Set = set;
var outcome = VoatRulesEngine.Instance.EvaluateRuleSet(context, RuleScope.CreateSet);
if (!outcome.IsAllowed)
{
return(MapRuleOutCome <Set>(outcome, null));
}
var existingSet = _db.SubverseSet.FirstOrDefault(x => x.ID == set.ID);
if (existingSet != null)
{
var perms = SetPermission.GetPermissions(existingSet.Map(), User.Identity);
if (!perms.EditProperties)
{
return(CommandResponse.FromStatus <Set>(null, Status.Denied, "User does not have permission to edit this set"));
}
//HACK: Need to clear this entry out of cache if name changes and check name
if (!existingSet.Name.IsEqual(set.Name))
{
if (_db.SubverseSet.Any(x => x.Name.ToLower() == set.Name.ToLower() && x.UserName.ToLower() == UserName.ToLower()))
{
return(CommandResponse.FromStatus <Set>(null, Status.Denied, "A set with this name already exists"));
}
CacheHandler.Instance.Remove(CachingKey.Set(existingSet.Name, existingSet.UserName));
}
existingSet.Name = set.Name;
existingSet.Title = set.Title;
existingSet.Description = set.Description;
existingSet.IsPublic = set.IsPublic;
await _db.SaveChangesAsync().ConfigureAwait(CONSTANTS.AWAIT_CAPTURE_CONTEXT);
return(CommandResponse.FromStatus <Set>(existingSet.Map(), Status.Success));
}
else
{
//Validation - MOVE TO RULES SYSTEM MAYBE
if (!VoatSettings.Instance.SetCreationEnabled || VoatSettings.Instance.MaximumOwnedSets <= 0)
{
return(CommandResponse.FromStatus <Set>(null, Status.Denied, "Set creation is currently disabled"));
}
if (VoatSettings.Instance.MaximumOwnedSets > 0)
{
var d = new DapperQuery();
d.Select = $"SELECT COUNT(*) FROM {SqlFormatter.Table("SubverseSet", "subSet")}";
d.Where = "subSet.\"Type\" = @Type AND subSet.\"UserName\" = @UserName";
d.Parameters.Add("Type", (int)SetType.Normal);
d.Parameters.Add("UserName", UserName);
var setCount = _db.Connection.ExecuteScalar <int>(d.ToString(), d.Parameters);
if (setCount >= VoatSettings.Instance.MaximumOwnedSets)
{
return(CommandResponse.FromStatus <Set>(null, Status.Denied, $"Sorry, Users are limited to {VoatSettings.Instance.MaximumOwnedSets} sets and you currently have {setCount}"));
}
}
//Create new set
try
{
var setCheck = GetSet(set.Name, UserName);
if (setCheck != null)
{
return(CommandResponse.FromStatus <Set>(null, Status.Denied, "A set with same name and owner already exists"));
}
var newSet = new SubverseSet
{
Name = set.Name,
Title = set.Title,
Description = set.Description,
UserName = UserName,
Type = (int)SetType.Normal,
IsPublic = set.IsPublic,
CreationDate = Repository.CurrentDate,
SubscriberCount = 1, //Owner is a subscriber. Reminds me of that hair club commercial: I"m not only the Set Owner, I'm also a subscriber.
};
_db.SubverseSet.Add(newSet);
await _db.SaveChangesAsync().ConfigureAwait(CONSTANTS.AWAIT_CAPTURE_CONTEXT);
_db.SubverseSetSubscription.Add(new SubverseSetSubscription()
{
SubverseSetID = newSet.ID, UserName = UserName, CreationDate = CurrentDate
});
await _db.SaveChangesAsync().ConfigureAwait(CONSTANTS.AWAIT_CAPTURE_CONTEXT);
return(CommandResponse.Successful(newSet.Map()));
}
catch (Exception ex)
{
return(CommandResponse.Error <CommandResponse <Set> >(ex));
}
}
}
public static async Task <CommandResponse <string> > GenerateThumbnail(Uri uri, bool purgeTempFile = true)
{
if (VoatSettings.Instance.OutgoingTraffic.Enabled)
{
var url = uri.ToString();
if (!String.IsNullOrEmpty(url) && UrlUtility.IsUriValid(url))
{
try
{
//Ok this all needs to be centralized, we should only make 1 request to a remote resource
using (var httpResource = new HttpResource(
new Uri(url),
new HttpResourceOptions()
{
AllowAutoRedirect = true
},
VoatSettings.Instance.OutgoingTraffic.Proxy.ToWebProxy()))
{
var result = await httpResource.GiddyUp();
if (httpResource.IsImage)
{
var fileManager = FileManager.Instance;
var fileCheck = fileManager.IsUploadPermitted(url, FileType.Thumbnail, httpResource.Response.Content.Headers.ContentType.MediaType, httpResource.Stream.Length);
if (fileCheck.Success)
{
var key = new FileKey();
key.FileType = FileType.Thumbnail;
key.ID = await GenerateRandomFilename(".jpg", FileType.Thumbnail);
var stream = httpResource.Stream;
await GenerateImageThumbnail(fileManager, key, stream, VoatSettings.Instance.ThumbnailSize, true);
return(CommandResponse.Successful(key.ID));
}
}
else if (httpResource.Image != null)
{
//just do it. again.
return(await GenerateThumbnail(httpResource.Image));
}
}
}
catch (Exception ex)
{
EventLogger.Instance.Log(ex, new { url = url, type = FileType.Thumbnail });
var response = CommandResponse.Error <CommandResponse <string> >(ex);
response.Response = ""; //Make sure this returns string.empty as other failures do.
return(response);
}
}
EventLogger.Instance.Log(new LogInformation()
{
Type = LogType.Debug,
Category = "Thumbnail Diag",
Message = "Default Response",
Data = new { url = url },
Origin = VoatSettings.Instance.Origin
});
}
return(CommandResponse.FromStatus <string>("", Status.Invalid));
}
