Refactor permissions to use enums, permissions service

src-ui/src/app/services/permissions.service.ts

@@ -0,0 +1,49 @@
+import { Injectable } from '@angular/core'
+
+export enum PermissionAction {
+  Add = 'add',
+  View = 'view',
+  Change = 'change',
+  Delete = 'delete',
+}
+
+export enum PermissionType {
+  Document = 'documents.%s_document',
+  Tag = 'documents.%s_tag',
+  Correspondent = 'documents.%s_correspondent',
+  DocumentType = 'documents.%s_documenttype',
+  StoragePath = 'documents.%s_storagepath',
+  SavedView = 'documents.%s_savedview',
+  PaperlessTask = 'documents.%s_paperlesstask',
+  UISettings = 'documents.%s_uisettings',
+  Comment = 'documents.%s_comment',
+  Log = 'admin.%s_logentry',
+  MailAccount = 'paperless_mail.%s_mailaccount',
+  MailRule = 'paperless_mail.%s_mailrule',
+  Auth = 'auth.%s_user',
+  Admin = 'admin.%s_logentry',
+}
+
+export interface PaperlessPermission {
+  action: PermissionAction
+  type: PermissionType
+}
+
+@Injectable({
+  providedIn: 'root',
+})
+export class PermissionsService {
+  private permissions: string[]
+
+  public initialize(permissions: string[]) {
+    this.permissions = permissions
+  }
+
+  public currentUserCan(permission: PaperlessPermission): boolean {
+    return this.permissions.includes(this.getPermissionCode(permission))
+  }
+
+  private getPermissionCode(permission: PaperlessPermission): string {
+    return permission.type.replace('%s', permission.action)
+  }
+}

src-ui/src/app/services/settings.service.ts

@@ -23,6 +23,7 @@ import {
   SETTINGS,
   SETTINGS_KEYS,
 } from '../data/paperless-uisettings'
+import { PermissionsService } from './permissions.service'
 import { SavedViewService } from './rest/saved-view.service'
 import { ToastService } from './toast.service'
 
@@ -45,7 +46,6 @@ export class SettingsService {
   protected baseUrl: string = environment.apiBaseUrl + 'ui_settings/'
 
   private settings: Object = {}
-  private permissions: string[]
 
   public displayName: string
 
@@ -59,7 +59,8 @@ export class SettingsService {
     @Inject(LOCALE_ID) private localeId: string,
     protected http: HttpClient,
     private toastService: ToastService,
-    private savedViewService: SavedViewService
+    private savedViewService: SavedViewService,
+    private permissionsService: PermissionsService
   ) {
     this.renderer = rendererFactory.createRenderer(null, null)
   }
@@ -75,7 +76,7 @@ export class SettingsService {
         if (this.settings['language']?.length)
           this.setLanguage(this.settings['language'])
         this.displayName = uisettings.display_name.trim()
-        this.permissions = uisettings.permissions
+        this.permissionsService.initialize(uisettings.permissions)
       })
     )
   }
@@ -457,8 +458,4 @@ export class SettingsService {
       this.savedViewService.dashboardViews.length == 0
     )
   }
-
-  currentUserCan(permission: string): boolean {
-    return this.permissions.includes(permission)
-  }
 }