private CategoryPeerSet GetPeerSet(List <CategorySnapshot> allCats, CategorySnapshot cat)
{
var result = new CategoryPeerSet();
var parent = Category.FindInList(allCats, cat.ParentId);
if (parent != null)
{
result.Parents = Category.FindChildrenInList(allCats, parent.ParentId, false);
}
result.Peers = Category.FindChildrenInList(allCats, cat.ParentId, false);
result.Children = Category.FindChildrenInList(allCats, cat.Bvin, false);
return(result);
}
private CategoryMenuItemViewModel BuildPeersAndChildren(CategoryPeerSet neighbors,
CategorySnapshot currentCategory, bool isDisplayProductsCount)
{
var result = new CategoryMenuItemViewModel();
foreach (var peer in neighbors.Peers)
{
var item = new CategoryMenuItemViewModel();
item.Title = peer.Name;
item.Description = peer.Description;
item.Url = UrlRewriter.BuildUrlForCategory(peer);
if (peer.Bvin == currentCategory.Bvin)
{
item.IsCurrent = true;
// Load Children
foreach (var c in neighbors.Children)
{
var childItem = new CategoryMenuItemViewModel();
childItem.Title = c.Name;
childItem.Description = c.Description;
if (isDisplayProductsCount)
{
item.Bvin = c.Bvin;
item.ProductsCount = HccApp.CatalogServices.FindProductCountsForCategory(c.Bvin, false);
}
childItem.Url = UrlRewriter.BuildUrlForCategory(c);
item.Items.Add(childItem);
}
}
if (isDisplayProductsCount)
{
item.Bvin = peer.Bvin;
item.ProductsCount = HccApp.CatalogServices.FindProductCountsForCategory(peer.Bvin, false);
}
result.Items.Add(item);
}
return(result);
}
private CategoryMenuItemViewModel BuildParentsPeersChildren(CategoryPeerSet neighbors,
CategorySnapshot currentCategory, bool isDisplayProductsCount)
{
CategoryMenuItemViewModel result;
if (neighbors.Parents.Count > 0)
{
result = new CategoryMenuItemViewModel();
foreach (var parent in neighbors.Parents)
{
CategoryMenuItemViewModel item;
if (parent.Bvin == currentCategory.ParentId)
{
item = BuildPeersAndChildren(neighbors, currentCategory, isDisplayProductsCount);
}
else
{
item = new CategoryMenuItemViewModel();
}
item.Title = parent.Name;
item.Description = parent.Description;
item.Url = UrlRewriter.BuildUrlForCategory(parent);
if (isDisplayProductsCount)
{
item.Bvin = parent.Bvin;
item.ProductsCount = HccApp.CatalogServices.FindProductCountsForCategory(parent.Bvin, false);
}
result.Items.Add(item);
}
}
else
{
result = BuildPeersAndChildren(neighbors, currentCategory, isDisplayProductsCount);
}
return(result);
}
private void RenderPeersChildren(CategoryMenuViewModel model, CategoryPeerSet neighbors, CategorySnapshot currentCategory, List <CategorySnapshot> allCats)
{
// No Parents, start with peers
foreach (CategorySnapshot peer in neighbors.Peers)
{
if (!peer.Hidden)
{
AddSingleLink(model, peer, allCats);
if (peer.Bvin == currentCategory.Bvin)
{
// Load Children
if (neighbors.Children.Count > 0)
{
bool initialized = false;
foreach (CategorySnapshot child in neighbors.Children)
{
if (!child.Hidden)
{
if (!initialized)
{
model.sb.Append("<ul>" + System.Environment.NewLine);
initialized = true;
}
AddSingleLink(model, child, allCats);
model.sb.Append("</li>" + System.Environment.NewLine);
}
}
if (initialized)
{
model.sb.Append("</ul>" + System.Environment.NewLine);
}
}
}
model.sb.Append("</li>" + System.Environment.NewLine);
}
}
}
private void RenderParentsPeersChildren(CategoryMenuViewModel model, CategoryPeerSet neighbors, CategorySnapshot currentCategory, List <CategorySnapshot> allCats)
{
if (neighbors.Parents.Count < 1)
{
RenderPeersChildren(model, neighbors, currentCategory, allCats);
}
else
{
// Add Parents
foreach (CategorySnapshot parent in neighbors.Parents)
{
if (!parent.Hidden)
{
AddSingleLink(model, parent, allCats);
// Add Peers
if (parent.Bvin == currentCategory.ParentId)
{
bool peerInitialized = false;
foreach (CategorySnapshot peer in neighbors.Peers)
{
if (!peer.Hidden)
{
if (!peerInitialized)
{
model.sb.Append("<ul>");
peerInitialized = true;
}
AddSingleLink(model, peer, allCats);
if (peer.Bvin == currentCategory.Bvin)
{
// Load Children
if (neighbors.Children.Count > 0)
{
bool childInitialized = false;
foreach (CategorySnapshot child in neighbors.Children)
{
if (!child.Hidden)
{
if (!childInitialized)
{
model.sb.Append("<ul>" + System.Environment.NewLine);
childInitialized = true;
}
AddSingleLink(model, child, allCats);
model.sb.Append("</li>" + System.Environment.NewLine);
}
}
if (childInitialized)
{
model.sb.Append("</ul>" + System.Environment.NewLine);
}
}
}
model.sb.Append("</li>" + System.Environment.NewLine);
}
}
if (peerInitialized)
{
model.sb.Append("</ul>" + System.Environment.NewLine);
}
}
}
model.sb.Append("</li>" + System.Environment.NewLine);
}
}
}
private void LoadPeersAndChildren(CategoryMenuViewModel model)
{
List <CategorySnapshot> allCats = MTApp.CatalogServices.Categories.FindAll();
// Get Current Category
CategorySnapshot currentCategory = Category.FindInList(allCats, model.CurrentId);
// Trick system into accepting root category of zero which never exists in database
if (model.CurrentId == "0")
{
currentCategory = new CategorySnapshot();
currentCategory.Bvin = "0";
}
if (currentCategory != null)
{
if (currentCategory.Bvin != string.Empty)
{
model.CurrentId = currentCategory.Bvin;
}
// Find the trail from this category back to the root of the site
List <CategorySnapshot> trail = new List <CategorySnapshot>();
BuildParentTrail(allCats, model.CurrentId, ref trail);
if (trail == null)
{
trail = new List <CategorySnapshot>();
}
if (trail.Count < 1)
{
// Load Roots Only
LoadRoots(model);
}
else
{
CategoryPeerSet neighbors = GetPeerSet(allCats, currentCategory);
if (trail.Count == 1)
{
// special case where we want only peers and children
RenderPeersChildren(model, neighbors, currentCategory, allCats);
}
else
{
if (trail.Count >= 3)
{
if (neighbors.Children.Count < 1)
{
// Special case where we are at the end of the tree and have
// no children. Reset neighbors to parent's bvin
CategorySnapshot parent = Category.FindInList(allCats, currentCategory.ParentId);
if (parent == null)
{
parent = new CategorySnapshot();
}
neighbors = GetPeerSet(allCats, parent);
RenderParentsPeersChildren(model, neighbors, trail[1], allCats);
}
else
{
RenderParentsPeersChildren(model, neighbors, currentCategory, allCats);
}
}
else
{
// normal load of peers
RenderParentsPeersChildren(model, neighbors, currentCategory, allCats);
}
}
}
}
else
{
model.sb.Append("Invalid Category Id. Contact Administrator");
}
}