public async Task <ActionResult <List <int> > > DeleteListsAsync([FromQuery(Name = "id")] List <int> ids)
{
var lists = await _context.TodoLists.GetAsync(l => l.Id != DefaultList.id);
foreach (var id in ids)
{
if (id == DefaultList.id)
{
return(BadRequest("Cannot delete default list."));
}
else
{
var list = lists.FirstOrDefault(t => t.Id == id);
if (list == null)
{
return(NotFound());
}
else
{
PositionAdjuster.AdjustForDelete(list, lists.ToList <ISortable>());
_context.TodoLists.Delete(list);
}
}
}
await _context.SaveChangesAsync();
return(ids);
}
public async Task <ActionResult <int> > DeleteListAsync(int id)
{
if (id == DefaultList.id)
{
// we do not delete the default list
return(BadRequest("Cannot delete default list"));
}
else
{
var list = await _context.TodoLists.GetAsync(id);
if (list == null)
{
return(NotFound());
}
else
{
var lists = await _context.TodoLists.GetAsync(l => l.Id != DefaultList.id);
PositionAdjuster.AdjustForDelete(list, lists.ToList <ISortable>());
_context.TodoLists.Delete(list);
await _context.SaveChangesAsync();
return(id);
}
}
}
private async Task DeleteItem(TodoListItem item)
{
var items = await _context.TodoItems.GetAsync(t => t.TodoListId == item.TodoListId);
PositionAdjuster.AdjustForDelete(item, items.ToList <ISortable>());
var references = await _context.TodoReferences.GetAsync(r => r.Item.Id == item.Id);
foreach (var reference in references)
{
var group = await _context.TodoReferences.GetAsync(r => r.TodoQueryId == reference.TodoQueryId);
PositionAdjuster.AdjustForDelete(reference, references.ToList <ISortable>());
_context.TodoReferences.Delete(reference);
}
_context.TodoItems.Delete(item);
}
public async Task <ActionResult <int> > DeleteDefinitionAsync(int id)
{
var definition = await _context.Definitions.GetAsync(id);
if (definition == null)
{
return(NotFound());
}
else
{
var lists = await _context.Definitions.GetAsync(d => d.DashboardFolderId == definition.DashboardFolderId);
PositionAdjuster.AdjustForDelete(definition, lists.ToList <ISortable>());
_context.Definitions.Delete(definition);
await _context.SaveChangesAsync();
return(id);
}
}
public async Task <ActionResult <int> > DeleteFolderAsync(int id)
{
var folder = await _context.Folders.GetAsync(id);
if (folder == null)
{
return(NotFound());
}
else
{
var folders = await _context.Folders.GetAsync();
PositionAdjuster.AdjustForDelete(folder, folders.ToList <ISortable>());
_context.Folders.Delete(folder);
await _context.SaveChangesAsync();
return(id);
}
}
MergeResultsAsync(int queryId, IList <TodoItemReference> lastResults, IList <TodoListItem> matchedItems)
{
// remove stale result items
var mergedResults = new List <TodoItemReference>();
foreach (TodoItemReference result in lastResults)
{
var item = matchedItems.FirstOrDefault(i => i.Id == result.Item.Id);
if (item != null)
{
// result still relevant, remove it from matching list
matchedItems.Remove(item);
mergedResults.Add(result);
}
else
{
// result is stale, remove it from result set
PositionAdjuster.AdjustForDelete(result, lastResults.ToList <ISortable>());
_context.TodoReferences.Delete(result);
}
}
// append new ones
foreach (TodoListItem item in matchedItems)
{
var result = new TodoItemReference()
{
Item = item,
Position = mergedResults.Count,
TodoQueryId = queryId
};
mergedResults.Add(result);
await _context.TodoReferences.AddAsync(result);
}
return(mergedResults);
}
public async Task <ActionResult <DefinitionElement> > UpdateDefinitionElementAsync(int id, [FromBody] DefinitionElement element)
{
var current = await _context.Definitions.GetAsync(id);
if (current == null)
{
return(NotFound());
}
if (current.DashboardFolderId == element.DashboardFolderId)
{
// not reparenting, adjust positions
var newPeers = await _context.Definitions.GetAsync(d => d.DashboardFolderId == element.DashboardFolderId);
PositionAdjuster.AdjustForUpdate(element, newPeers.ToList <ISortable>(), current);
}
else
{
// we are reparenting, adjust old peer positions
var oldPeers = await _context.Definitions.GetAsync(d => d.DashboardFolderId == current.DashboardFolderId);
PositionAdjuster.AdjustForDelete(current, oldPeers.ToList <ISortable>());
// and new peer positions
var newPeers = await _context.Definitions.GetAsync(d => d.DashboardFolderId == element.DashboardFolderId);
PositionAdjuster.AdjustForCreate(element, newPeers.ToList <ISortable>());
}
current.UpdateFrom(element);
_context.Definitions.Update(current);
await _context.SaveChangesAsync();
return(current.ToElement());
}