{"version":3,"sources":["src/app/core/guards/features.guard.ts","src/app/services/menu/menu.service.ts"],"sourcesContent":["import { inject } from '@angular/core';\nimport { ActivatedRouteSnapshot } from '@angular/router';\nimport { Store } from '@ngxs/store';\nimport {\n  FeatureFlags,\n  FeaturesState,\n} from 'src/app/store/features/features.state';\n\nexport const RequiredFeatureAnnotation = 'requiredFeature';\n\n// FeatureFlagGuard checks wether a user has the required feature enabled to access a route.\nexport const FeatureFlagGuard = async (snapshot: ActivatedRouteSnapshot) => {\n  const store = inject(Store);\n\n  if (!snapshot.data || !snapshot.data[RequiredFeatureAnnotation]) return true;\n\n  const flags = store.selectSnapshot(FeaturesState.flags) || {};\n\n  return HasFlag(flags, snapshot.data[RequiredFeatureAnnotation]);\n};\n\nexport const HasFlag = (flags: FeatureFlags, requiredFeatures: string[]) => {\n  // check wether a user has all of the required features enabled\n  for (const rp of requiredFeatures) {\n    if (flags[rp]) {\n      return true;\n    }\n  }\n\n  return false;\n};\n","import { Injectable, OnDestroy, inject } from '@angular/core';\nimport {\n  ActivatedRoute,\n  ActivatedRouteSnapshot,\n  NavigationEnd,\n  Router,\n  Routes,\n} from '@angular/router';\nimport { Store, createModelSelector, createSelector } from '@ngxs/store';\nimport { Subscription, filter } from 'rxjs';\nimport {\n  HasFlag,\n  RequiredFeatureAnnotation,\n} from 'src/app/core/guards/features.guard';\nimport { AuthorizedMenuItem } from 'src/app/models/permission';\nimport {\n  FeatureFlags,\n  FeaturesState,\n  FeaturesStateModel,\n} from 'src/app/store/features/features.state';\nimport { UserState, UserStateModel } from 'src/app/store/user/user.state';\nimport {\n  HasPermissionForRoute,\n  RequiredRolesAnnotation,\n} from '../../core/guards/permission.guard';\nimport { MenuItem } from './menuItem';\n\n@Injectable({\n  providedIn: 'root',\n})\nexport class MenuService implements OnDestroy {\n  private menuItems: MenuItem[] = [];\n  private breadcrumbs: MenuItem[] = [];\n\n  private mainLayoutRoutePath = '';\n\n  private router = inject(Router);\n  private activatedRoute = inject(ActivatedRoute);\n  private store = inject(Store);\n\n  private menuSubscription: Subscription;\n\n  constructor() {\n    this.router.events\n      .pipe(filter(event => event instanceof NavigationEnd))\n      .subscribe(() => {\n        this.breadcrumbs = this.createBreadcrumbs(this.activatedRoute.root);\n      });\n\n    this.menuSubscription = this.store\n      .select(\n        createModelSelector({\n          flags: FeaturesState.flags,\n          roles: UserState.getPermissionRoles,\n        })\n      )\n      .subscribe(({ flags, roles }) => {\n        if (!flags || !roles) return;\n\n        this.generateMenuItems(this.router.config, roles, flags).then(items => {\n          this.menuItems = items;\n        });\n      });\n  }\n\n  ngOnDestroy(): void {\n    this.menuSubscription.unsubscribe();\n  }\n\n  private async generateMenuItems(\n    routes: Routes,\n    permissionRoles: string[],\n    flags: FeatureFlags\n  ): Promise<MenuItem[]> {\n    const mainLayoutRoute = routes.find(\n      r => r.path === this.mainLayoutRoutePath\n    );\n    if (!mainLayoutRoute) {\n      throw Error(\n        `Could not find mainLayoutRoute route with path ${this.mainLayoutRoutePath}. You probably don't want that`\n      );\n    }\n\n    if (!mainLayoutRoute.children) return [];\n\n    const items = await Promise.all(\n      mainLayoutRoute.children.map(async route => {\n        if (!route.data || !route.data['title']) {\n          return false;\n        }\n\n        if (!HasPermissionForRoute(permissionRoles, route)) return false;\n\n        if (\n          route.data[RequiredFeatureAnnotation] &&\n          !HasFlag(flags, route.data[RequiredFeatureAnnotation])\n        ) {\n          return false;\n        }\n\n        return {\n          label: route.data['title'],\n          routerLink: route.path,\n          icon: route.data['icon'],\n        } as MenuItem;\n      })\n    );\n\n    return items.filter(menuItem => menuItem !== false) as MenuItem[];\n  }\n\n  updatePageTitle(page: ActivatedRoute, title: string) {\n    page.snapshot.data['title'] = title;\n    delete page.snapshot.data['dynamicTitle'];\n\n    this.breadcrumbs = this.createBreadcrumbs(this.activatedRoute);\n  }\n\n  private createBreadcrumbs(\n    route: ActivatedRoute,\n    url = '',\n    breadcrumbs: MenuItem[] = []\n  ): MenuItem[] {\n    const children: ActivatedRoute[] = route.children;\n\n    if (children.length === 0) {\n      return breadcrumbs;\n    }\n\n    for (const child of children) {\n      // generate router url for child\n      const routeURL: string = child.snapshot.url\n        .map(segment => segment.path)\n        .join('/');\n\n      if (routeURL !== '') {\n        url += `/${routeURL}`;\n      }\n\n      // if the route url is empty and there are no children we are on a leaf\n      // node and do not need to process further\n      if (routeURL === '' && child.children.length === 0) {\n        const menuItem = this.getBreadcrumbForSnapshot(child.snapshot, url);\n        if (menuItem) {\n          breadcrumbs.push(menuItem);\n        }\n\n        return breadcrumbs;\n      }\n\n      const menuItem = this.getBreadcrumbForSnapshot(child.snapshot, url);\n      if (menuItem) {\n        breadcrumbs.push(menuItem);\n      }\n\n      return this.createBreadcrumbs(child, url, breadcrumbs);\n    }\n\n    return [];\n  }\n\n  getBreadcrumbForSnapshot(\n    snapshot: ActivatedRouteSnapshot,\n    url: string\n  ): MenuItem | undefined {\n    if (snapshot.data['dynamicTitle']) {\n      return {\n        label: '',\n        routerLink: [url],\n        loading: true,\n      };\n    } else {\n      const label = snapshot.data['title'];\n\n      if (label) {\n        return {\n          label: label,\n          routerLink: [url],\n        };\n      }\n    }\n\n    return;\n  }\n\n  getMenuItems() {\n    return this.menuItems;\n  }\n\n  getBreadcrumbs() {\n    return this.breadcrumbs;\n  }\n\n  // filter helper functions\n\n  static filteredMenuItems(\n    allItems: AuthorizedMenuItem[],\n    filterSubitems = true\n  ) {\n    return createSelector(\n      [UserState, FeaturesState],\n      (state: UserStateModel, features: FeaturesStateModel) => {\n        const membership = state.user?.memberships.find(m => {\n          return m.organizationId === state.selectedOrganizationId;\n        });\n\n        if (!membership) return [];\n\n        const items = this.filterMenuItems(\n          membership.role.permissionRoles,\n          features.flags,\n          allItems\n        );\n\n        if (!filterSubitems) return items;\n\n        // remove top level items without any sub items which were probably\n        // removed by the permission check\n        const filteredItems = items.filter(i => {\n          if (!i.items || i.items.length === 0) return false;\n          return true;\n        });\n\n        return filteredItems;\n      }\n    );\n  }\n\n  // helper function to recursively validate permissions on menu items\n  private static filterMenuItems(\n    userRoles: string[],\n    flags: FeatureFlags,\n    items: AuthorizedMenuItem[]\n  ): AuthorizedMenuItem[] {\n    return items.filter(item => {\n      if (item[RequiredRolesAnnotation]) {\n        for (const rp of item[RequiredRolesAnnotation]) {\n          if (!userRoles.includes(rp)) return false;\n        }\n      }\n\n      if (item[RequiredFeatureAnnotation]) {\n        if (!HasFlag(flags, item[RequiredFeatureAnnotation])) return false;\n      }\n\n      if (item.items) {\n        item.items = this.filterMenuItems(userRoles, flags, item.items);\n      }\n\n      return true;\n    });\n  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