/// <summary>
/// Prepare new model for creating category view
/// </summary>
/// <param name="parentName">Parent Name of Category in what we want to create new</param>
/// <returns>CategoryView model prepared for enter all needed data</returns>
public static CategoryView CreateNewModel(string parentName)
{
var parId = GetIdFromName(parentName);
var model = new CategoryView()
{
ParentId = parId,
ParentName = parentName,
Level = GetCurrentLevelFromParentId(parId),
HasSubCategories = false
};
App.Mapper.MapLinksForCategory(ref model);
return model;
}
public ActionResult EditSomeCategory(CategoryView model)
{
if (ModelState.IsValid)
{
if (model.ImgFile != null && model.ImgFile.ContentLength > 0)
{
CategoryManager.SaveNewImage(model);
}
CategoryManager.UpdateCategory(model);
return RedirectToAction("EditCategories", new RouteValueDictionary(
new { parentId = model.ParentId }));
}
return View(model);
}
/// <summary>
/// Save All checked Category links from Add or Edit Forms by Category Id
/// </summary>
/// <param name="model">CategoryView model with links and Category Id</param>
private static void SaveProperties(CategoryView model)
{
if (model != null && model.Id != 0)
{
foreach (var link in model.Properties)
{
if (!link.IsChanged && !link.Checked)
{
var linkCat = App.Rep.Select<LinkCategories>()
.FirstOrDefault(lc => lc.Category_Cat_Id == model.Id
&& lc.Link_Link_Id == link.Id);
if (linkCat != null)
App.Rep.Delete<LinkCategories>(linkCat, false);
}
else if (link.Checked && link.IsChanged)
{
App.Rep.Insert<LinkCategories>(new LinkCategories()
{
Category_Cat_Id = model.Id,
Link_Link_Id = link.Id
}, false);
}
}
App.Rep.Save();
}
}
/// <summary>
/// If parent Category has some products these products will be moved into new Category
/// </summary>
/// <param name="model">New model with could take new </param>
internal static void MoveProductsIfExist(CategoryView model)
{
if (model != null && model.Id != 0 && model.ParentId != DefaultParentCategoryId)
{
App.Rep.Select<Product>()
.Where(p => p.Pr_Cat_Id == model.ParentId)
.ForEach(p => ProductManager.SetNewCategoryIdAndUpdate(p, model.Id));
App.Rep.Save();
}
}
/// <summary>
/// Update category in DB with your changed model from View
/// </summary>
/// <param name="model">CategoryView model with was changed by user</param>
public static void UpdateCategory(CategoryView model)
{
//todo save links
if (model.ImagePath != null && model.ImagePath.Length != 0)
{
var img = App.Rep.Select<Image>()
.FirstOrDefault(i => i.Img_Path == model.ImagePath);
if (img != null)
{
model.ImageId = img.Img_Id;
}
else
{
model.ImageId = null;
}
}
SaveProperties(model);
App.Rep.Update<Category>((Category)
App.Mapper.Map(model, typeof(CategoryView), typeof(Category)), true);
}
/// <summary>
/// Save Selected Image
/// </summary>
/// <param name="model">Our model from View</param>
public static void SaveNewImage(CategoryView model)
{
if (model.ImgFile != null && model.ImgFile.ContentLength > 0)
{
var path = Res.ImagesDirectory
+ Res.CategoryImagesDirectory;
var fileName = Guid.NewGuid().ToString()
+ model.ImgFile.FileName;
model.ImagePath = path + fileName;
byte[] data;
using (Stream inputStream = model.ImgFile.InputStream)
{
MemoryStream memoryStream = inputStream as MemoryStream;
if (memoryStream == null)
{
memoryStream = new MemoryStream();
inputStream.CopyTo(memoryStream);
}
data = memoryStream.ToArray();
}
if (!ImageManager.ImageManager.UploadFile(data, fileName, path))
{
model.ImagePath = null;
model.ImageId = null;
model.ImgFile = null;
return;
}
App.Rep.Insert<Image>
((Image)App.Mapper.Map(model,
typeof(CategoryView), typeof(Image)), true);
}
}
/// <summary>
/// This function save our new category into DB
/// </summary>
/// <param name="model">Category with will be saved</param>
public static void SaveNewCategory(CategoryView model)
{
if (model.ParentId != DefaultParentCategoryId)
{
ChangeParentCategory(model.ParentId);
}
if (model.ImagePath != null && model.ImagePath.Length != 0)
{
model.ImageId = App.Rep.Select<Image>()
.FirstOrDefault(i => i.Img_Path == model.ImagePath).Img_Id;
}
var cat = App.Rep.Insert<Category>((Category)
App.Mapper.Map(model,
typeof(CategoryView), typeof(Category)), true);
if (cat != null)
{
model.Id = cat.Cat_Id;
MoveProductsIfExist(model);
SaveProperties(model);
}
}
/// <summary>
/// Get all links from DB and links with already added to our Category
/// </summary>
/// <param name="model">CategoryView model where we need to add our links</param>
public void MapLinksForCategory(ref CategoryView model)
{
if (model != null)
{
var catId = model.Id;
var linkCats = App.Rep.Select<LinkCategories>()
.Where(lc => lc.Category_Cat_Id == catId).ToList();
var myProp = new List<Link>();
if (linkCats != null && linkCats.Count != 0)
{
foreach (var linkCat in linkCats)
{
var link = App.Rep.Select<Link>()
.FirstOrDefault(l => l.Link_Id == linkCat.Link_Link_Id);
if (link != null)
{
myProp.Add(link);
}
}
}
var allLinks = App.Rep.Select<Link>().ToList();
if (allLinks != null && allLinks.Count != 0)
{
foreach (var link in allLinks)
{
var linkView = (LinkView)App.Mapper.Map(link, typeof(Link),
typeof(LinkView));
if (myProp.Any(l => l.Link_Id == linkView.Id))
{
linkView.Checked = true;
}
else
{
linkView.IsChanged = true;
}
model.Properties.Add(linkView);
}
}
model.Properties.Sort();
}
}
/// <summary>
/// Get Image details or current category
/// </summary>
/// <param name="model">category with needed to get image details</param>
public void MapImageForCategory(ref CategoryView model)
{
if (model != null && model.ImageId != null && model.ImageId.Value != 0)
{
var imgId = model.ImageId.Value;
var img = App.Rep.Select<Image>()
.FirstOrDefault(i => i.Img_Id == imgId);
if (img != null)
{
model.ImagePath = img.Img_Path;
}
else
{
model.ImageId = null;
}
}
}
