From 850e43c6538e15c68641f3b34a0e0d748ec4b183 Mon Sep 17 00:00:00 2001
From: Sercan Yemen <sercanyemen@gmail.com>
Date: Mon, 28 May 2018 16:04:27 +0300
Subject: [PATCH] (Navigation) Improved navigation service

---
 .../navigation/navigation.service.ts          | 71 ++++++++++++++++++-
 1 file changed, 70 insertions(+), 1 deletion(-)

diff --git a/src/@fuse/components/navigation/navigation.service.ts b/src/@fuse/components/navigation/navigation.service.ts
index 490f895c..49995acb 100644
--- a/src/@fuse/components/navigation/navigation.service.ts
+++ b/src/@fuse/components/navigation/navigation.service.ts
@@ -237,7 +237,49 @@ export class FuseNavigationService
 
             if ( item.children )
             {
-                this.getNavigationItem(id, item.children);
+                const childItem = this.getNavigationItem(id, item.children);
+
+                if ( childItem )
+                {
+                    return childItem;
+                }
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * Get the parent of the navigation item
+     * with the id
+     *
+     * @param id
+     * @param {any} navigation
+     * @param parent
+     */
+    getNavigationItemParent(id, navigation = null, parent = null): any
+    {
+        if ( !navigation )
+        {
+            navigation = this.getCurrentNavigation();
+            parent = navigation;
+        }
+
+        for ( const item of navigation )
+        {
+            if ( item.id === id )
+            {
+                return parent;
+            }
+
+            if ( item.children )
+            {
+                const childItem = this.getNavigationItemParent(id, item.children, item);
+
+                if ( childItem )
+                {
+                    return childItem;
+                }
             }
         }
 
@@ -285,4 +327,31 @@ export class FuseNavigationService
             parent.children.push(item);
         }
     }
+
+    /**
+     * Remove navigation item with the given id
+     *
+     * @param id
+     */
+    removeNavigationItem(id): void
+    {
+        const item = this.getNavigationItem(id);
+
+        // Return, if there is not such an item
+        if ( !item )
+        {
+            return;
+        }
+
+        // Get the parent of the item
+        let parent = this.getNavigationItemParent(id);
+
+        // This check is required because of the first level
+        // of the navigation, since the first level is not
+        // inside the 'children' array
+        parent = parent.children || parent;
+
+        // Remove the item
+        parent.splice(parent.indexOf(item), 1);
+    }
 }