Initial Commit

blazor/Services/Website/NavigationService.cs

@@ -0,0 +1,120 @@
+using Model.Website.Enums;
+
+namespace Services.Website;
+
+public class NavigationService : INavigationService
+{
+    private int navigationStateId = -1;
+    private string navigationStateType = NavigationStateType.Default;
+
+    private NavSelectionType navSelectionType = NavSelectionType.None;
+
+
+    private Type renderType = null!;
+    private int webPageType;
+    private int webSectionType;
+
+
+    public void Subscribe(Action action)
+    {
+        OnChange += action;
+    }
+
+    public void Unsubscribe(Action action)
+    {
+        OnChange += action;
+    }
+
+    public void ChangeNavigationSectionId(int newState)
+    {
+        navigationStateId = newState;
+        NotifyDataChanged();
+    }
+
+    public int GetNavigationSectionId()
+    {
+        return navigationStateId;
+    }
+
+    public void ChangeNavigationState(string newState)
+    {
+        if (newState.Equals(navigationStateType))
+            return;
+
+        navigationStateType = newState;
+
+        NotifyDataChanged();
+    }
+
+    public string GetNavigationState()
+    {
+        return navigationStateType;
+    }
+
+    public void SelectPage(int pageType, Type page)
+    {
+        if (renderType != page)
+        {
+            renderType = page;
+            webPageType = pageType;
+            navSelectionType = NavSelectionType.Page;
+            NotifyDataChanged();
+        }
+    }
+
+
+    public void SelectSection(int section)
+    {
+        if (section == webSectionType) return;
+        webSectionType = section;
+        navSelectionType = NavSelectionType.Section;
+
+        NotifyDataChanged();
+    }
+
+    public void Back()
+    {
+        if (navSelectionType == NavSelectionType.Page)
+        {
+            navSelectionType = NavSelectionType.Section;
+            webPageType = 0;
+            NotifyDataChanged();
+            return;
+        }
+
+        if (navSelectionType == NavSelectionType.Section)
+        {
+            navSelectionType = NavSelectionType.None;
+            webSectionType = 0;
+            webPageType = 0;
+            NotifyDataChanged();
+        }
+    }
+
+    public NavSelectionType GetNavSelectionType()
+    {
+        return navSelectionType;
+    }
+
+    public int GetWebPageId()
+    {
+        return webPageType;
+    }
+
+    public int GetWebSectionId()
+    {
+        return webSectionType;
+    }
+
+    public Type GetRenderType()
+    {
+        return renderType;
+    }
+
+    private event Action OnChange = null!;
+
+    private void NotifyDataChanged()
+    {
+        OnChange?.Invoke();
+    }
+}