private IList <TResource> GetRecentResources <TResource>(Guid userId, IEnumerable <TResource> resources, IEnumerable <Resource> excludeResources)
where TResource : Resource
{
var recentResources = excludeResources == null
? resources.Take(2).ToList()
: (from r in resources
where excludeResources.All(x => x.Id != r.Id)
select r).Take(2).ToList();
for (var index = 0; index < recentResources.Count; ++index)
{
var viewing = new ResourceViewing
{
ResourceType = typeof(TResource) == typeof(Article)
? ResourceType.Article
: typeof(TResource) == typeof(Video)
? ResourceType.Video
: ResourceType.QnA,
UserId = userId,
ResourceId = recentResources[index].Id,
Id = Guid.NewGuid(),
Time = DateTime.Now.AddDays(-1 * (index + 1)),
};
_resourcesRepository.CreateResourceViewing(viewing);
}
return(recentResources);
}
void IResourcesRepository.CreateResourceViewing(ResourceViewing resourceViewing)
{
using (var dc = CreateContext())
{
dc.ResourceViewingEntities.InsertOnSubmit(resourceViewing.Map());
dc.SubmitChanges();
}
}
internal static ResourceViewingEntity Map(this ResourceViewing viewing)
{
return(new ResourceViewingEntity
{
id = viewing.Id,
userId = viewing.UserId,
resourceId = viewing.ResourceId,
resourceType = (byte)viewing.ResourceType,
time = viewing.Time,
});
}
private void ViewResource(ResourceType resourceType, Guid userId, Guid resourceId)
{
var viewing = new ResourceViewing {
ResourceType = resourceType, UserId = userId, ResourceId = resourceId
};
viewing.Prepare();
viewing.Validate();
_repository.CreateResourceViewing(viewing);
var handlers = ResourceViewed;
if (handlers != null)
{
handlers(this, new ResourceEventArgs(viewing.ResourceId));
}
}
protected IList <Resource> GetRelatedResources(Guid userId, Resource resource, int count)
{
var resources = (from a in _resourcesQuery.GetArticles()
where a.Id != resource.Id &&
a.SubcategoryId == resource.SubcategoryId
select(Resource) a)
.Concat(from v in _resourcesQuery.GetVideos()
where v.Id != resource.Id &&
v.SubcategoryId == resource.SubcategoryId
select v)
.Concat(from q in _resourcesQuery.GetQnAs()
where q.Id != resource.Id &&
q.SubcategoryId == resource.SubcategoryId
select q).Randomise().ToList();
// View more than are needed to push them down the list, but not resources of the same type.
resources = resources.Where(r => r.GetType() == resource.GetType()).Concat(resources.Where(r => r.GetType() != resource.GetType())).ToList();
for (var index = count; index < resources.Count; ++index)
{
var relatedResource = resources[index];
var viewing = new ResourceViewing
{
ResourceType = relatedResource is Article
? ResourceType.Article
: resource is Video
? ResourceType.Video
: ResourceType.QnA,
UserId = userId,
ResourceId = relatedResource.Id,
Id = Guid.NewGuid(),
Time = DateTime.Now.AddDays(-1 * (index + 1))
};
_resourcesRepository.CreateResourceViewing(viewing);
}
return(resources.ToList());
}
