/// <summary>
/// Creates the community details for the given community. User id is used to check the user role
/// on the community,based on that, CommunityDetails might be null in case is user is not having permission.
/// </summary>
/// <param name="community">Community for which community details has to be created</param>
/// <param name="userId">Current user id</param>
/// <param name="checkPendingRequest">Check for pending requests of the user</param>
/// <returns>Community details instance</returns>
private CommunityDetails CreateCommunityDetails(Community community, long? userId, bool checkPendingRequest)
{
CommunityDetails communityDetails = null;
if (community != null)
{
Permission permission;
var userRole = GetCommunityUserRole(community.CommunityID, userId);
if (!CanReadCommunity(userRole))
{
throw new HttpException(401, Resources.NoPermissionReadCommunityMessage);
}
permission = userRole.GetPermission();
// 1. For visitors (not assigned any roles for the community) who are logged in, need to find if any role request is pending approval.
// 2. Pending approval is needed only for community details, not to be added in other places.
if (checkPendingRequest &&
userRole == UserRole.Visitor &&
userId.HasValue &&
_userRepository.PendingPermissionRequests(userId.Value, community.CommunityID))
{
permission = Permission.PendingApproval;
}
communityDetails = new CommunityDetails(permission);
// Some of the values which comes from complex objects need to be set through this method.
communityDetails.SetValuesFrom(community);
communityDetails.ViewCount = community.ViewCount.HasValue ? community.ViewCount.Value : 0;
// Update parent details based on the permission.
var parent = Enumerable.FirstOrDefault(community.CommunityRelation1);
if (parent != null && parent.Community != null)
{
var parentUserRole = GetCommunityUserRole(parent.Community.CommunityID, userId);
if (!CanReadCommunity(parentUserRole))
{
communityDetails.ParentName = string.Empty;
communityDetails.ParentID = -1;
communityDetails.ParentType = CommunityTypes.None;
}
}
}
return communityDetails;
}
/// <summary>
/// Retrieves the sub communities of a given community. This only retrieves the immediate children.
/// </summary>
/// <param name="communityId">ID of the community.</param>
/// <param name="userId">Id of the user who is accessing</param>
/// <param name="pageDetails">Details about the pagination</param>
/// <param name="onlyItemCount">To get only item count, not the entities. When community details page is loaded first time,
/// no need to get the communities, only count is enough.</param>
/// <returns>Collection of sub communities</returns>
public IEnumerable<CommunityDetails> GetSubCommunities(long communityId, long userId, PageDetails pageDetails, bool onlyItemCount)
{
this.CheckNotNull(() => new { pageDetails });
IList<CommunityDetails> subCommunities = new List<CommunityDetails>();
var subCommunityIDs = _communityRepository.GetSubCommunityIDs(communityId, userId);
// Gets the total number of direct sub communities of the community
pageDetails.TotalCount = subCommunityIDs.Count();
pageDetails.TotalPages = (pageDetails.TotalCount / pageDetails.ItemsPerPage) + ((pageDetails.TotalCount % pageDetails.ItemsPerPage == 0) ? 0 : 1);
// When community details page is loaded first time, no need to get the communities, only count is enough.
if (!onlyItemCount && subCommunityIDs != null && subCommunityIDs.Count() > 0)
{
subCommunityIDs = subCommunityIDs.Skip((pageDetails.CurrentPage - 1) * pageDetails.ItemsPerPage).Take(pageDetails.ItemsPerPage);
foreach (var community in _communityRepository.GetItems(subCommunityIDs))
{
var userRole = _userRepository.GetUserRole(userId, community.CommunityID);
var communityDetails = new CommunityDetails(userRole.GetPermission());
// Some of the values which comes from complex objects need to be set through this method.
communityDetails.SetValuesFrom(community);
subCommunities.Add(communityDetails);
}
}
return subCommunities;
}