public PageApiViewModel(Page page)
{
Id = page.Id;
Name = page.Name;
Description = page.Description;
Content = page.Content;
Tags = page.Tags?.Select(x => new TagAPIViewModel(x)).ToList();
}
public EditPageViewModel(Page page)
{
Id = page.Id;
Name = page.Name;
Description = page.Description;
Content = page.Content;
ExternalId = page.ExternalId;
if (page.Tags != null)
Tags = page.Tags.Select(x => new TagViewModel(x)).ToList();
}
public PageViewModel(Page page, Point point, Region region)
{
Id = page.Id;
Name = page.Name;
Description = page.Description;
Content = page.Content;
ExternalId = page.ExternalId;
Region = region;
Point = point;
PointId = point?.Id;
PointName = point?.Name;
RegionId = region?.Id;
RegionName = region?.Name;
if (page.Tags != null)
Tags = page.Tags.Select(x => new TagViewModel(x)).ToList();
}
public long Add(Page model)
{
using (var context = new OpenMuseumContext())
{
if (model.Tags != null)
{
var tags = model.Tags.ToList();
model.Tags = new List<Tag>();
foreach (var tag in tags)
{
context.Tags.Attach(tag);
model.Tags.Add(tag);
}
}
var pageResult = context.Pages.Add(model);
context.Entry(pageResult).State = EntityState.Added;
context.SaveChanges();
return pageResult.Id;
}
}
public ActionResult Add(PageViewModel model)
{
try
{
var tagsRepository = new TagsRepository();
var pointsRepository = new PointsRepository();
var pagesRepository = new PagesRepository();
var page = new Page()
{
Name = model.Name,
Description = model.Description,
Content = model.Content,
ExternalId = model.ExternalId
};
if (model.SelectedTags != null)
{
var tags = tagsRepository.GetByStringIds(model.SelectedTags);
page.Tags = new List<Tag>(tags);
}
else
{
page.Tags = null;
}
var pageId = pagesRepository.Add(page);
if (!string.IsNullOrEmpty(model.Point?.Name))
{
model.Point.PageId = pageId;
pointsRepository.Add(model.Point);
}
if (model.RegionId != null)
{
var regionsRepository = new RegionsRepository();
var region = regionsRepository.GetById(model.RegionId.Value);
region.Page = null;
region.PageId = pageId;
regionsRepository.Update(region);
}
return RedirectToAction("Index");
}
catch (Exception ex)
{
return View();
}
}
public long Update(Page model)
{
using (var context = new OpenMuseumContext())
{
var originalPage = context.Pages.Include(a => a.Tags)
.SingleOrDefault(a => a.Id == model.Id);
if (originalPage != null)
{
if (originalPage.Tags != null && model.Tags != null)
{
var originalTagIds = originalPage.Tags.Select(x => x.Id).ToList();
var newTagIds = model.Tags.Select(x => x.Id).ToList();
var tagsToAdd = context.Tags.Where(x => newTagIds.Contains(x.Id)).Where(x => !originalTagIds.Contains(x.Id)).ToList();
var tagsToRemove = originalPage.Tags.Select(x =>
{
if (!newTagIds.Contains(x.Id))
{
return x;
}
return null;
}).Where(x => x != null).ToList();
foreach (var tag in tagsToRemove)
{
originalPage.Tags.Remove(tag);
}
foreach (var tag in tagsToAdd)
{
originalPage.Tags.Add(tag);
}
}
if (originalPage.Tags == null && model.Tags != null)
{
originalPage.Tags = new List<Tag>();
foreach (var tag in model.Tags)
{
context.Entry(tag).State = EntityState.Modified;
originalPage.Tags.Add(tag);
}
}
if (originalPage.Tags != null && model.Tags == null)
{
foreach (var tag in originalPage.Tags.ToList())
{
originalPage.Tags.Remove(tag);
}
}
context.SaveChanges();
}
originalPage.Name = model.Name;
originalPage.Description = model.Description;
originalPage.Content = model.Content;
originalPage.ExternalId = model.ExternalId;
context.Entry(originalPage).State = EntityState.Modified;
context.SaveChanges();
return originalPage.Id;
}
}