/// <summary>
/// TODO: extract to base class together with class ApplyOverrideDocument
/// </summary>
/// <param name="models"></param>
/// <param name="host"></param>
private void ApplyOverrides(ImmutableList <FileModel> models, IHostService host)
{
foreach (var uid in host.GetAllUids())
{
var ms = host.LookupByUid(uid);
var od = ms.Where(m => m.Type == DocumentType.Override).ToList();
var articles = ms.Except(od).ToList();
if (articles.Count == 0 || od.Count == 0)
{
continue;
}
if (od.Count > 1)
{
var uidDefinitions = od[0].Uids.Where(u => u.Name == uid);
var errorMessage = string.Join(",", uidDefinitions.Select(s => $"\"{s.File}\" Line {s.Line}"));
throw new DocumentException($"UID \"{uid}\" is defined in multiple places: {errorMessage}. Only one overwrite document is allowed per particular UID.");
}
var ovm = ((List <RestApiItemViewModel>)od[0].Content).Single(vm => vm.Uid == uid);
foreach (
var pair in
from model in articles
from item in new RestApiItemViewModel[] { (RestApiItemViewModel)model.Content }.Concat(((RestApiItemViewModel)model.Content).Children)
where item.Uid == uid
select new { model, item })
{
var vm = pair.item;
Merger.Merge(ref vm, ovm);
vm.Metadata = MergeMetadata(vm.Metadata, ovm.Metadata);
((HashSet <string>)pair.model.Properties.LinkToUids).UnionWith((HashSet <string>)od[0].Properties.LinkToUids);
((HashSet <string>)pair.model.Properties.LinkToFiles).UnionWith((HashSet <string>)od[0].Properties.LinkToFiles);
}
}
}
private T Merge(T baseModel, T overrideModel, FileModel model)
{
try
{
Merger.Merge(ref baseModel, overrideModel);
}
catch (Exception e)
{
throw new DocumentException($"Error merging overwrite document from {model.OriginalFileAndType}: {e.Message}", e);
}
return(baseModel);
}
private T Merge <T>(T baseModel, T overrideModel, FileModel model) where T : class, IOverwriteDocumentViewModel
{
try
{
_merger.Merge(ref baseModel, overrideModel);
}
catch (Exception e)
{
var message = $"Error merging overwrite document from {model.OriginalFileAndType}: {e.Message}";
Logger.LogError(message, code: ErrorCodes.Overwrite.OverwriteDocumentMergeError);
throw new DocumentException(message, e);
}
return(baseModel);
}
