private async Task BuildPath()
{
List <PlaceGroupDAO> PlaceGroupDAOs = await DataContext.PlaceGroup
.Where(x => x.DeletedAt == null)
.AsNoTracking().ToListAsync();
Queue <PlaceGroupDAO> queue = new Queue <PlaceGroupDAO>();
PlaceGroupDAOs.ForEach(x =>
{
if (!x.ParentId.HasValue)
{
x.Path = x.Id + ".";
x.Level = 1;
queue.Enqueue(x);
}
});
while (queue.Count > 0)
{
PlaceGroupDAO Parent = queue.Dequeue();
foreach (PlaceGroupDAO PlaceGroupDAO in PlaceGroupDAOs)
{
if (PlaceGroupDAO.ParentId == Parent.Id)
{
PlaceGroupDAO.Path = Parent.Path + PlaceGroupDAO.Id + ".";
PlaceGroupDAO.Level = Parent.Level + 1;
queue.Enqueue(PlaceGroupDAO);
}
}
}
await DataContext.BulkMergeAsync(PlaceGroupDAOs);
}
public async Task <bool> Delete(PlaceGroup PlaceGroup)
{
PlaceGroupDAO PlaceGroupDAO = await DataContext.PlaceGroup.Where(x => x.Id == PlaceGroup.Id).FirstOrDefaultAsync();
await DataContext.PlaceGroup.Where(x => x.Path.StartsWith(PlaceGroupDAO.Id + ".")).UpdateFromQueryAsync(x => new PlaceGroupDAO {
DeletedAt = StaticParams.DateTimeNow, UpdatedAt = StaticParams.DateTimeNow
});
await DataContext.PlaceGroup.Where(x => x.Id == PlaceGroup.Id).UpdateFromQueryAsync(x => new PlaceGroupDAO {
DeletedAt = StaticParams.DateTimeNow, UpdatedAt = StaticParams.DateTimeNow
});
await BuildPath();
return(true);
}
public async Task <bool> BulkMerge(List <PlaceGroup> PlaceGroups)
{
List <PlaceGroupDAO> PlaceGroupDAOs = new List <PlaceGroupDAO>();
foreach (PlaceGroup PlaceGroup in PlaceGroups)
{
PlaceGroupDAO PlaceGroupDAO = new PlaceGroupDAO();
PlaceGroupDAO.Id = PlaceGroup.Id;
PlaceGroupDAO.ParentId = PlaceGroup.ParentId;
PlaceGroupDAO.Name = PlaceGroup.Name;
PlaceGroupDAO.Code = PlaceGroup.Code;
PlaceGroupDAO.CreatedAt = StaticParams.DateTimeNow;
PlaceGroupDAO.UpdatedAt = StaticParams.DateTimeNow;
PlaceGroupDAOs.Add(PlaceGroupDAO);
}
await DataContext.BulkMergeAsync(PlaceGroupDAOs);
await BuildPath();
return(true);
}
public async Task <bool> Create(PlaceGroup PlaceGroup)
{
PlaceGroupDAO PlaceGroupDAO = new PlaceGroupDAO();
PlaceGroupDAO.Id = PlaceGroup.Id;
PlaceGroupDAO.ParentId = PlaceGroup.ParentId;
PlaceGroupDAO.Name = PlaceGroup.Name;
PlaceGroupDAO.Code = PlaceGroup.Code;
PlaceGroupDAO.Path = "";
PlaceGroupDAO.Level = 1;
PlaceGroupDAO.CreatedAt = StaticParams.DateTimeNow;
PlaceGroupDAO.UpdatedAt = StaticParams.DateTimeNow;
DataContext.PlaceGroup.Add(PlaceGroupDAO);
await DataContext.SaveChangesAsync();
PlaceGroup.Id = PlaceGroupDAO.Id;
await SaveReference(PlaceGroup);
await BuildPath();
return(true);
}
public async Task <bool> Update(PlaceGroup PlaceGroup)
{
PlaceGroupDAO PlaceGroupDAO = DataContext.PlaceGroup.Where(x => x.Id == PlaceGroup.Id).FirstOrDefault();
if (PlaceGroupDAO == null)
{
return(false);
}
PlaceGroupDAO.Id = PlaceGroup.Id;
PlaceGroupDAO.ParentId = PlaceGroup.ParentId;
PlaceGroupDAO.Name = PlaceGroup.Name;
PlaceGroupDAO.Code = PlaceGroup.Code;
PlaceGroupDAO.Path = "";
PlaceGroupDAO.Level = 1;
PlaceGroupDAO.UpdatedAt = StaticParams.DateTimeNow;
await DataContext.SaveChangesAsync();
await SaveReference(PlaceGroup);
await BuildPath();
return(true);
}
