[chore] added feature flag for linking files

frontend/src/app/core/config/configuration.service.ts

@@ -30,7 +30,6 @@ import { I18nService } from 'core-app/core/i18n/i18n.service';
 import { ConfigurationResource } from 'core-app/features/hal/resources/configuration-resource';
 import * as moment from 'moment';
 import { ApiV3Service } from 'core-app/core/apiv3/api-v3.service';
-import { WeekdayService } from 'core-app/core/days/weekday.service';
 
 @Injectable({ providedIn: 'root' })
 export class ConfigurationService {
@@ -118,6 +117,10 @@ export class ConfigurationService {
     return this.systemPreference('hostName');
   }
 
+  public get activeFeatureFlags():string[] {
+    return this.systemPreference<string[]>('activeFeatureFlags');
+  }
+
   private loadConfiguration() {
     return this
       .apiV3Service

frontend/src/app/shared/components/file-links/file-link-list/file-link-list.component.ts

@@ -60,6 +60,7 @@ import {
   StorageInformationBox,
 } from 'core-app/shared/components/file-links/storage-information/storage-information-box';
 import { OpModalService } from 'core-app/shared/components/modal/modal.service';
+import { ConfigurationService } from 'core-app/core/config/configuration.service';
 import {
   FilePickerModalComponent,
 } from 'core-app/shared/components/file-links/file-picker-modal/file-picker-modal.component';
@@ -108,16 +109,21 @@ export class FileLinkListComponent extends UntilDestroyedMixin implements OnInit
     },
   };
 
+  public get storageFileLinkingEnabled():boolean {
+    return this.configurationService.activeFeatureFlags.includes('storageFileLinking');
+  }
+
   private get storageFilesLocation():string {
     return this.storage._links.open.href;
   }
 
   constructor(
     private readonly i18n:I18nService,
+    private readonly cookieService:CookieService,
     private readonly opModalService:OpModalService,
-    private readonly fileLinkResourceService:FileLinksResourceService,
     private readonly currentUserService:CurrentUserService,
-    private readonly cookieService:CookieService,
+    private readonly configurationService:ConfigurationService,
+    private readonly fileLinkResourceService:FileLinksResourceService,
   ) {
     super();
   }

frontend/src/app/shared/components/file-links/file-link-list/file-link-list.html

@@ -37,6 +37,7 @@
       <span [textContent]="text.actions.linkFile(storageType)"></span>
     </button>
     <button
+      *ngIf="storageFileLinkingEnabled"
       type="button"
       class="spot-link op-file-list--action-button"
       data-qa-selector="op-file-list--link-existing-file-button"

lib_static/open_project/feature_decisions.rb

@@ -40,7 +40,7 @@ module OpenProject
   # * the method `.the_name_of_the_flag_active?` for querying the state
   #   of the flag. By default, it is false.
   # * fetching the overwritten value from
-  #   * ENV variable (`OPENPROJECT_THE_NAME_OF_THE_FLAG_ACTIVE = 'true'`)
+  #   * ENV variable (`OPENPROJECT_FEATURE_THE_NAME_OF_THE_FLAG_ACTIVE = 'true'`)
   #   * configuration.yml file (`the_name_of_the_flag_active: true`)
   #   * from the settings database table (`Setting.feature_the_name_of_the_flag_active = true)
   # * including the flag in the `.active` array in case it is enabled

modules/storages/lib/open_project/storages/engine.rb

@@ -40,6 +40,10 @@ module OpenProject::Storages
     # please see comments inside ActsAsOpEngine class
     include OpenProject::Plugins::ActsAsOpEngine
 
+    initializer 'openproject_storages.feature_decisions' do
+      OpenProject::FeatureDecisions.add :storage_file_linking
+    end
+
     # For documentation see the definition of register in "ActsAsOpEngine"
     # This corresponds to the openproject-storage.gemspec
     # Pass a block to the plugin (for defining permissions, menu items and the like)