diff --git a/GUI/src/Layout.vue b/GUI/src/Layout.vue
index 682e9d1..e37d60d 100644
--- a/GUI/src/Layout.vue
+++ b/GUI/src/Layout.vue
@@ -5,12 +5,11 @@ import { useDisplay, useTheme } from 'vuetify'
 import { useRoute, useRouter } from 'vue-router'
 
 import iconImage from '@/assets/images/icon.svg'
-import { Visibility, routes } from '@/plugins/routesLayout'
+import { useSidebarRoutes } from '@/composables/useSidebarRoutes'
+import { routes } from '@/plugins/routesLayout'
 import {
   AuthRequestError,
-  ROLE_ADMIN,
   fetchCurrentUser,
-  hasRole,
   logout,
   type CurrentUser,
 } from '@/services/authSession'
@@ -28,90 +27,7 @@ const isLoggingOut = ref(false)
 const appBannersStore = useAppBannersStore()
 const { banners } = storeToRefs(appBannersStore)
 
-function normalizeRoutePath(path: string) {
-  if (!path || path === '/') {
-    return '/'
-  }
-
-  return path.endsWith('/') ? path.slice(0, -1) : path
-}
-
-function isWithinRoutePath(currentPath: string, targetPath: string) {
-  const normalizedCurrentPath = normalizeRoutePath(currentPath)
-  const normalizedTargetPath = normalizeRoutePath(targetPath)
-
-  if (normalizedTargetPath === '/') {
-    return normalizedCurrentPath === '/'
-  }
-
-  return (
-    normalizedCurrentPath === normalizedTargetPath ||
-    normalizedCurrentPath.startsWith(`${normalizedTargetPath}/`)
-  )
-}
-
-function resolveVisibilityRoutes(path: string, visibilityRoute?: string | string[]) {
-  if (Array.isArray(visibilityRoute)) {
-    return visibilityRoute.map((entry) => entry.trim()).filter((entry) => entry.length > 0)
-  }
-
-  const normalizedVisibilityRoute = visibilityRoute?.trim()
-  if (normalizedVisibilityRoute && normalizedVisibilityRoute.length > 0) {
-    return [normalizedVisibilityRoute]
-  }
-
-  return [path]
-}
-
-const sidebarRoutes = computed(() =>
-  routes.filter((item) => {
-    if (item.visible === Visibility.Public) {
-      return true
-    }
-
-    if (item.visible === Visibility.Authenticated) {
-      return currentUser.value !== null
-    }
-
-    if (item.visible === Visibility.Unauthenticated) {
-      return currentUser.value === null
-    }
-
-    if (item.visible === Visibility.Authorized) {
-      if (!currentUser.value) {
-        return false
-      }
-
-      if (!item.requiredRoles || item.requiredRoles.length === 0) {
-        return true
-      }
-
-      return item.requiredRoles.every((role) => hasRole(currentUser.value, role))
-    }
-
-    if (item.visible !== Visibility.Route) {
-      return false
-    }
-
-    return resolveVisibilityRoutes(item.path, item.visibilityRoute).some((targetPath) =>
-      isWithinRoutePath(route.path, targetPath),
-    )
-  }),
-)
-const adminSidebarRoutes = computed(() =>
-  sidebarRoutes.value.filter(
-    (item) =>
-      item.visible === Visibility.Authorized &&
-      Array.isArray(item.requiredRoles) &&
-      item.requiredRoles.some((role) => role.trim().toLowerCase() === ROLE_ADMIN),
-  ),
-)
-const primarySidebarRoutes = computed(() =>
-  sidebarRoutes.value.filter(
-    (item) => !adminSidebarRoutes.value.some((adminItem) => adminItem.path === item.path),
-  ),
-)
-const footerRoutes = computed(() => routes.filter((x) => x.visible === Visibility.Footer))
+const { adminSidebarRoutes, primarySidebarRoutes, footerRoutes } = useSidebarRoutes(currentUser)
 
 const activeRoute = computed(() => {
   const byName = routes.find((x) => x.meta?.name === route.name)
diff --git a/GUI/src/composables/useSidebarRoutes.ts b/GUI/src/composables/useSidebarRoutes.ts
new file mode 100644
index 0000000..d670f61
--- /dev/null
+++ b/GUI/src/composables/useSidebarRoutes.ts
@@ -0,0 +1,98 @@
+import { computed, type Ref } from 'vue'
+import { useRoute } from 'vue-router'
+
+import { Visibility, routes, type LayoutRoute } from '@/plugins/routesLayout'
+import { ROLE_ADMIN, hasRole, type CurrentUser } from '@/services/authSession'
+
+function normalizeRoutePath(path: string) {
+  if (!path || path === '/') {
+    return '/'
+  }
+
+  return path.endsWith('/') ? path.slice(0, -1) : path
+}
+
+function isWithinRoutePath(currentPath: string, targetPath: string) {
+  const normalizedCurrent = normalizeRoutePath(currentPath)
+  const normalizedTarget = normalizeRoutePath(targetPath)
+
+  if (normalizedTarget === '/') {
+    return normalizedCurrent === '/'
+  }
+
+  return (
+    normalizedCurrent === normalizedTarget ||
+    normalizedCurrent.startsWith(`${normalizedTarget}/`)
+  )
+}
+
+function resolveVisibilityRoutes(path: string, visibilityRoute?: string | string[]) {
+  if (Array.isArray(visibilityRoute)) {
+    return visibilityRoute.map((entry) => entry.trim()).filter((entry) => entry.length > 0)
+  }
+
+  const normalized = visibilityRoute?.trim()
+  if (normalized && normalized.length > 0) {
+    return [normalized]
+  }
+
+  return [path]
+}
+
+function isVisible(item: LayoutRoute, currentPath: string, user: CurrentUser | null) {
+  switch (item.visible) {
+    case Visibility.Public:
+      return true
+    case Visibility.Authenticated:
+      return user !== null
+    case Visibility.Unauthenticated:
+      return user === null
+    case Visibility.Authorized:
+      if (!user) {
+        return false
+      }
+      if (!item.requiredRoles || item.requiredRoles.length === 0) {
+        return true
+      }
+      return item.requiredRoles.every((role) => hasRole(user, role))
+    case Visibility.Route:
+      return resolveVisibilityRoutes(item.path, item.visibilityRoute).some((target) =>
+        isWithinRoutePath(currentPath, target),
+      )
+    default:
+      return false
+  }
+}
+
+function isAdminRoute(item: LayoutRoute) {
+  return (
+    item.visible === Visibility.Authorized &&
+    Array.isArray(item.requiredRoles) &&
+    item.requiredRoles.some((role) => role.trim().toLowerCase() === ROLE_ADMIN)
+  )
+}
+
+export function useSidebarRoutes(currentUser: Ref<CurrentUser | null>) {
+  const route = useRoute()
+
+  const sidebarRoutes = computed(() =>
+    routes.filter((item) => isVisible(item, route.path, currentUser.value)),
+  )
+
+  const adminSidebarRoutes = computed(() => sidebarRoutes.value.filter(isAdminRoute))
+
+  const primarySidebarRoutes = computed(() =>
+    sidebarRoutes.value.filter((item) => !isAdminRoute(item)),
+  )
+
+  const footerRoutes = computed(() =>
+    routes.filter((item) => item.visible === Visibility.Footer),
+  )
+
+  return {
+    sidebarRoutes,
+    adminSidebarRoutes,
+    primarySidebarRoutes,
+    footerRoutes,
+  }
+}
diff --git a/GUI/src/stores/counter.ts b/GUI/src/stores/counter.ts
deleted file mode 100644
index b6757ba..0000000
--- a/GUI/src/stores/counter.ts
+++ /dev/null
@@ -1,12 +0,0 @@
-import { ref, computed } from 'vue'
-import { defineStore } from 'pinia'
-
-export const useCounterStore = defineStore('counter', () => {
-  const count = ref(0)
-  const doubleCount = computed(() => count.value * 2)
-  function increment() {
-    count.value++
-  }
-
-  return { count, doubleCount, increment }
-})