async Task <EntityLabel> EntityLabelCreated(EntityLabel entityLabel)
{
if (entityLabel == null)
{
throw new ArgumentNullException(nameof(entityLabel));
}
if (entityLabel.EntityId <= 0)
{
return(entityLabel);
}
if (entityLabel.LabelId <= 0)
{
return(entityLabel);
}
// Get label
var label = await _labelStore.GetByIdAsync(entityLabel.LabelId);
// No label found no further work needed
if (label == null)
{
return(entityLabel);
}
// Get total count for entities labeled with this label
var entityLabels = await _entityLabelStore.QueryAsync()
.Take(1)
.Select <EntityLabelQueryParams>(q =>
{
q.LabelId.Equals(label.Id);
q.HidePrivate.True();
q.HideHidden.True();
q.HideSpam.True();
q.HideDeleted.True();
})
.ToList();
// Update label
label.TotalEntities = entityLabels?.Total ?? 0;
label.LastEntityDate = DateTimeOffset.UtcNow;
// Persist label updates
await _labelManager.UpdateAsync(label);
return(entityLabel);
}
async Task <IDictionary <int, IList <Label> > > BuildLookUpTable(IEnumerable <Label> labels)
{
// Get topic index view model from context
var viewModel = _actionContextAccessor.ActionContext.HttpContext.Items[typeof(EntityIndexViewModel <Article>)] as EntityIndexViewModel <Article>;
if (viewModel == null)
{
return(null);
}
// We need results
if (viewModel.Results == null)
{
return(null);
}
// Get all entities for our current view
var entities = viewModel.Results;
// Get all entity label relationships for displayed entities
IPagedResults <EntityLabel> entityLabels = null;
if (entities?.Data != null)
{
entityLabels = await _entityLabelStore.QueryAsync()
.Take(int.MaxValue, false)
.Select <EntityLabelQueryParams>(q =>
{
q.EntityId.IsIn(entities.Data.Select(e => e.Id).ToArray());
})
.ToList();
}
// Build a dictionary of entity and label relationships
var output = new ConcurrentDictionary <int, IList <Label> >();
if (entityLabels?.Data != null)
{
var labelList = labels.ToList();
foreach (var entityLabel in entityLabels.Data)
{
var label = labelList.FirstOrDefault(l => l.Id == entityLabel.LabelId);
if (label != null)
{
output.AddOrUpdate(entityLabel.EntityId, new List <Label>()
{
label
}, (k, v) =>
{
v.Add(label);
return(v);
});
}
}
}
return(output);
}
async Task <IDictionary <int, IList <Label> > > BuildLookUpTable(IEnumerable <Label> labels)
{
// Get topic index view model from context
var viewModel = _actionContextAccessor.ActionContext.HttpContext.Items[typeof(EntityIndexViewModel <Topic>)] as EntityIndexViewModel <Topic>;
if (viewModel == null)
{
return(null);
}
// Get all entities for our current view
var entities = await _entityService
.ConfigureQuery(async q =>
{
// Hide private?
if (!await _authorizationService.AuthorizeAsync(_httpContextAccessor.HttpContext.User,
Permissions.ViewPrivateTopics))
{
q.HidePrivate.True();
}
// Hide hidden?
if (!await _authorizationService.AuthorizeAsync(_httpContextAccessor.HttpContext.User,
Permissions.ViewHiddenTopics))
{
q.HideHidden.True();
}
// Hide spam?
if (!await _authorizationService.AuthorizeAsync(_httpContextAccessor.HttpContext.User,
Permissions.ViewSpamTopics))
{
q.HideSpam.True();
}
// Hide deleted?
if (!await _authorizationService.AuthorizeAsync(_httpContextAccessor.HttpContext.User,
Permissions.ViewDeletedTopics))
{
q.HideDeleted.True();
}
})
.GetResultsAsync(viewModel?.Options, viewModel?.Pager);
// Get all entity label relationships for displayed entities
IPagedResults <EntityLabel> entityLabels = null;
if (entities?.Data != null)
{
entityLabels = await _entityLabelStore.QueryAsync()
.Select <EntityLabelQueryParams>(q =>
{
q.EntityId.IsIn(entities.Data.Select(e => e.Id).ToArray());
})
.ToList();
}
// Build a dictionary of entity and label relationships
var output = new ConcurrentDictionary <int, IList <Label> >();
if (entityLabels?.Data != null)
{
var labelList = labels.ToList();
foreach (var entityLabel in entityLabels.Data)
{
var label = labelList.FirstOrDefault(l => l.Id == entityLabel.LabelId);
if (label != null)
{
output.AddOrUpdate(entityLabel.EntityId, new List <Label>()
{
label
}, (k, v) =>
{
v.Add(label);
return(v);
});
}
}
}
return(output);
}
