/// <inheritdoc />
public async Task <IPipelineProcess <Group> > Process(IPipelineProcess <Group> input,
IMvcForumContext context)
{
_localizationService.RefreshContext(context);
_groupService.RefreshContext(context);
try
{
Guid?parentGroupGuid = null;
if (input.ExtendedData.ContainsKey(Constants.ExtendedDataKeys.ParentGroup))
{
parentGroupGuid = input.ExtendedData[Constants.ExtendedDataKeys.ParentGroup] as Guid?;
}
// Sort if this is a section
Section section = null;
if (input.ExtendedData.ContainsKey(Constants.ExtendedDataKeys.Section))
{
if (input.ExtendedData[Constants.ExtendedDataKeys.Section] is Guid guid)
{
section = _groupService.GetSection(guid);
}
}
// Sort the section - If it's null remove it
input.EntityToProcess.Section = section ?? null;
var isEdit = false;
if (input.ExtendedData.ContainsKey(Constants.ExtendedDataKeys.IsEdit))
{
isEdit = input.ExtendedData[Constants.ExtendedDataKeys.IsEdit] as bool? == true;
}
if (isEdit)
{
var parentCat = parentGroupGuid != null
? _groupService.Get(parentGroupGuid.Value)
: null;
// Check they are not trying to add a subGroup of this Group as the parent or it will break
if (parentCat?.Path != null && parentGroupGuid != null)
{
var parentCats = parentCat.Path.Split(',').Where(x => !string.IsNullOrWhiteSpace(x))
.Select(x => new Guid(x)).ToList();
if (parentCats.Contains(input.EntityToProcess.Id))
{
// Remove the parent Group, but still let them create the catgory
parentGroupGuid = null;
}
}
if (parentGroupGuid != null)
{
// Set the parent Group
var parentGroup = _groupService.Get(parentGroupGuid.Value);
input.EntityToProcess.Parent_GroupId = parentGroup;
// Append the path from the parent Group
_groupService.SortPath(input.EntityToProcess, parentGroup);
}
else
{
// Must access property (trigger lazy-loading) before we can set it to null (Entity Framework bug!!!)
var triggerEfLoad = input.EntityToProcess.Parent_GroupId;
input.EntityToProcess.Parent_GroupId = null;
// Also clear the path
input.EntityToProcess.Path = null;
}
Guid user = new Guid();
_groupService.UpdateSlugFromName(input.EntityToProcess, user);
try
{
await context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
return(null);
}
}
else
{
if (parentGroupGuid != null)
{
var parentGroup = await context.Group.FirstOrDefaultAsync(x => x.Id == parentGroupGuid.Value);
input.EntityToProcess.Parent_GroupId = parentGroup;
_groupService.SortPath(input.EntityToProcess, parentGroup);
}
// url slug generator
input.EntityToProcess.Slug = ServiceHelpers.GenerateSlug(input.EntityToProcess.Name,
_groupService.GetBySlugLike(ServiceHelpers.CreateUrl(input.EntityToProcess.Name)).Select(x => x.Slug).ToList(), null);
// Add the Group
context.Group.Add(input.EntityToProcess);
}
try
{
await context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
return(null);
}
_cacheService.ClearStartsWith("GroupList");
}
catch (Exception ex)
{
input.AddError(ex.Message);
_loggingService.Error(ex);
}
return(input);
}