/// <summary>
/// Creates the new community in Layerscape with the given details passed in CommunitiesView instance.
/// </summary>
/// <param name="communityDetail">Details of the community</param>
/// <param name="userId">User Identity</param>
/// <returns>Id of the community created. Returns -1 is creation is failed.</returns>
public async void UpdateCommunity(CommunityDetails communityDetail, long userId)
{
// Make sure communityDetails is not null
this.CheckNotNull(() => new { communityDetails = communityDetail });
var community = _communityRepository.GetItem((Community c) => c.CommunityID == communityDetail.ID && c.IsDeleted == false);
// Make sure community is not null
this.CheckNotNull(() => new { community });
var userRole = GetCommunityUserRole(community.CommunityID, userId);
if (!CanEditDeleteCommunity(community, userId, userRole))
{
throw new HttpException(401, Resources.NoPermissionUpdateCommunityMessage);
}
// For deleted communities, do not updates the changes.
if (community.IsDeleted.HasValue && !community.IsDeleted.Value)
{
// Do not let the user to change the Community as public in case if it is offensive.
// This scenario might happen when the edit page is left open or cached and meantime Community is marked as offensive
// by the Site Admin.
if (community.IsOffensive.HasValue && (bool)community.IsOffensive && communityDetail.AccessTypeID == (int)AccessType.Public)
{
communityDetail.AccessTypeID = (int)AccessType.Private;
communityDetail.IsOffensive = true;
}
Mapper.Map(communityDetail, community);
community.ModifiedByID = userId;
community.ModifiedDatetime = DateTime.UtcNow;
// 1. Add Thumbnail to blob
if (communityDetail.Thumbnail != null)
{
if (communityDetail.Thumbnail.AzureID != Guid.Empty && community.ThumbnailID != communityDetail.Thumbnail.AzureID)
{
if (MoveThumbnail(communityDetail.Thumbnail))
{
community.ThumbnailID = communityDetail.Thumbnail.AzureID;
}
else
{
community.ThumbnailID = Guid.Empty;
}
}
else if (communityDetail.Thumbnail.AzureID == Guid.Empty)
{
community.ThumbnailID = Guid.Empty;
}
}
// 2. Update Tag details. This will also take care of creating tags if they are not there in the Layerscape database.
SetCommunityTags(communityDetail.Tags, community);
// 3. Update User role details. Any change in parent, roles need to be updated.
// Even if there was no parent before, need to check if any parent is mentioned now.
// Get the previous parent if any. Note that there will be only one parent.
long previousParent = 0;
if (community.CommunityRelation1.Count == 1)
{
previousParent = community.CommunityRelation1.ElementAt(0).ParentCommunityID;
}
if (communityDetail.ParentID != previousParent)
{
_userCommunitiesRepository.InheritParentRoles(community, communityDetail.ParentID);
}
// 4. Update Parent Community details in case if Parent is specified
// TODO: Need to check if we can move the community.
// Few things to be noted:
// a) Obviously the count to be 0 or 1 always.
// b) A community can be child of only once parent community or folder and hence only one CommunityRelation1
if (community.CommunityRelation1.Count > 0 && community.CommunityRelation1.ElementAt(0).ParentCommunityID != communityDetail.ParentID)
{
community.CommunityRelation1.Clear();
}
if (communityDetail.ParentID > 0 && community.CommunityRelation1.Count == 0)
{
// Add Parent Community details again
var communityRelation = new CommunityRelation();
communityRelation.ParentCommunityID = communityDetail.ParentID;
communityRelation.ChildCommunityID = communityDetail.ID;
// TODO: Need to rename the Data Model property CommunityRelation1 with a more meaningful name.
// Note that the relation to be added is to CommunityRelation1 since the current Community is Child.
// When the current community is parent, it's relation to be added in CommunityRelation.
community.CommunityRelation1.Add(communityRelation);
}
// Mark the Community as updated
_communityRepository.Update(community);
// TODO: Need to check the concurrency scenarios.
// Save all the changes made.
_communityRepository.SaveChanges();
}
else
{
// TODO: Need to throw exception informing user that the community is deleted.
}
}
public long CreateCommunity(CommunityDetails communityDetail)
{
// Make sure communityDetails is not null
this.CheckNotNull(() => new { communityDetails = communityDetail });
var userRole = GetCommunityUserRole(communityDetail.ParentID, communityDetail.CreatedByID);
if (!CanCreateCommunity(communityDetail.ParentID, userRole))
{
throw new HttpException(401, Resources.NoPermissionCreateCommunityMessage);
}
// In case if the community getting created is "User" type, check that the same user already has a "User" community associated with him.
// There should be only one "User" community to be created per user.
if (communityDetail.CommunityType == CommunityTypes.User)
{
var existingUserCommunity = _communityRepository.GetItem(
c => c.CommunityTypeID == (int) CommunityTypes.User && c.CreatedByID == communityDetail.CreatedByID);
if (existingUserCommunity != null)
{
return existingUserCommunity.CommunityID;
}
}
// 1. Add Community details to the community object.
var community = new Community();
Mapper.Map(communityDetail, community);
// While creating the community, IsDeleted to be false always.
community.IsDeleted = false;
community.CreatedDatetime = community.ModifiedDatetime = DateTime.UtcNow;
// 2. Add Thumbnail to blob
if (communityDetail.Thumbnail != null && communityDetail.Thumbnail.AzureID != Guid.Empty)
{
if (MoveThumbnail(communityDetail.Thumbnail))
{
community.ThumbnailID = communityDetail.Thumbnail.AzureID;
}
}
// 3. Add Tag details. This will also take care of creating tags if they are not there in the Layerscape database.
SetCommunityTags(communityDetail.Tags, community);
var parentAddedToUserRole = false;
if (communityDetail.ParentID > 0)
{
// 4. Add Parent Community details
var communityRelation = new CommunityRelation
{
ParentCommunityID = communityDetail.ParentID,
ChildCommunityID = communityDetail.ID
};
// TODO: Need to rename the Data Model property CommunityRelation1 with a more meaningful name.
// Note that the relation to be added is to CommunityRelation1 since the current Community is Child.
// When the current community is parent, it's relation to be added in CommunityRelation.
community.CommunityRelation1.Add(communityRelation);
var parentCommunity = _communityRepository.GetItem(c => c.CommunityID == communityDetail.ParentID);
if (parentCommunity != null && parentCommunity.UserCommunities.Count > 0)
{
parentCommunity.ModifiedByID = communityDetail.CreatedByID;
parentCommunity.ModifiedDatetime = DateTime.UtcNow;
// 5. Inherit Parent Permission Details
foreach (var communityUserRole in parentCommunity.UserCommunities)
{
var userCommunityRole = new UserCommunities
{
CommunityId = communityDetail.ID,
UserID = communityUserRole.UserID,
RoleID = communityUserRole.RoleID,
IsInherited = true,
CreatedDatetime = DateTime.UtcNow
};
// Add the current community to the use role
// Add the existing users along with their roles
community.UserCommunities.Add(userCommunityRole);
if (communityUserRole.UserID == communityDetail.CreatedByID)
{
parentAddedToUserRole = true;
}
}
}
}
if (!parentAddedToUserRole)
{
// 6. Add Owner Permission Details only if its not already inherited.
var userCommunity = new UserCommunities
{
CommunityId = communityDetail.ID,
UserID = communityDetail.CreatedByID,
CreatedDatetime = DateTime.UtcNow,
RoleID = (int) UserRole.Owner,
IsInherited = false
};
// User who is creating the community is the owner.
community.UserCommunities.Add(userCommunity);
}
// Add the community to the repository
_communityRepository.Add(community);
// Save all the changes made.
_communityRepository.SaveChanges();
return community.CommunityID;
}
