/// <summary>
/// Populates the EntityViewModel object's properties from the given EntityDetail object's properties.
/// </summary>
/// <param name="thisObject">Current entity view model on which the extension method is called</param>
/// <param name="entityDetails">EntityDetails model from which values to be read</param>
/// <returns>Values populated EntityViewModel instance</returns>
public static EntityViewModel SetValuesFrom(this EntityViewModel thisObject, EntityDetails entityDetails)
{
if (entityDetails != null)
{
if (thisObject == null)
{
thisObject = new EntityViewModel();
}
thisObject.Id = entityDetails.ID;
thisObject.Name = entityDetails.Name;
// Parse the category string
thisObject.Category = entityDetails.CategoryID.ToEnum<int, CategoryType>(CategoryType.All);
thisObject.AccessType = (AccessType)entityDetails.AccessTypeID;
thisObject.ParentId = entityDetails.ParentID;
thisObject.ParentName = entityDetails.ParentName;
thisObject.ParentType = entityDetails.ParentType;
thisObject.UserPermission = entityDetails.UserPermission;
if (entityDetails.Tags != null)
{
thisObject.Tags = entityDetails.Tags;
}
thisObject.Rating = (double)entityDetails.AverageRating;
thisObject.RatedPeople = entityDetails.RatedPeople;
if (entityDetails.Thumbnail != null)
{
thisObject.ThumbnailID = entityDetails.Thumbnail.AzureID;
}
thisObject.Producer = entityDetails.ProducedBy;
thisObject.ProducerId = entityDetails.CreatedByID;
}
return thisObject;
}
/// <summary>
/// Gets the top categories from the Layerscape database based on the number of contents which belongs to the category.
/// </summary>
/// <returns>List of top 6 categories</returns>
public async Task<IEnumerable<EntityDetails>> GetTopCategories()
{
IList<EntityDetails> topCategories = new List<EntityDetails>();
var topCategoryItems = _topCategoryEntities.GetAll(t => t.CategoryID);
var contents = topCategoryItems.Where(t => t.EntityType == EntityType.Content.ToString());
var communities = topCategoryItems.Where(t => t.EntityType == EntityType.Community.ToString());
for (var i = 0; i < contents.Count(); i++)
{
var content = contents.ElementAt(i);
var contentDetails = new ContentDetails();
Mapper.Map(content, contentDetails);
if (content.ThumbnailID.HasValue)
{
// TODO: Auto-mapper cannot set this nested object, need to see if there is any better approach.
contentDetails.Thumbnail = new FileDetail();
contentDetails.Thumbnail.AzureID = content.ThumbnailID.Value;
}
// Insert the content to the top categories collection.
topCategories.Insert(i * 3, contentDetails);
// Get the communities of the content which got inserted.
var contentCommunities = communities.Where((TopCategoryEntities t) => t.CategoryID == content.CategoryID);
// Get the first community for the current content.
TopCategoryEntities firstCommunity = contentCommunities.ElementAtOrDefault(0);
var communityDetails = new EntityDetails();
Mapper.Map(firstCommunity, communityDetails);
if (firstCommunity != null)
{
// TODO: Auto-mapper is not setting the nested Thumbnail, need to initialize and set it.
// Need to see if there is any better approach.
communityDetails.Thumbnail = new FileDetail();
communityDetails.Thumbnail.AzureID = firstCommunity.ThumbnailID ?? Guid.Empty;
topCategories.Insert(i * 3 + 1, communityDetails);
}
else
{
// Incase if there are no communities for the current content, insert null so that the sequence is maintained.
topCategories.Insert(i * 3 + 1, null);
}
// Get the second community for the current content.
TopCategoryEntities secondCommunity = contentCommunities.ElementAtOrDefault(1);
communityDetails = new EntityDetails();
Mapper.Map(secondCommunity, communityDetails);
if (secondCommunity != null)
{
// TODO: Auto-mapper is not setting the nested Thumbnail, need to initialize and set it.
// Need to see if there is any better approach.
communityDetails.Thumbnail = new FileDetail();
communityDetails.Thumbnail.AzureID = firstCommunity.ThumbnailID ?? Guid.Empty;
topCategories.Insert(i * 3 + 2, communityDetails);
}
else
{
// Incase if there are no communities for the current content, insert null so that the sequence is maintained.
topCategories.Insert(i * 3 + 2, null);
}
}
return topCategories.AsEnumerable();
}
