Mark set/jump as a clean architecture

src/content/usecases/MarkUseCase.ts

@@ -0,0 +1,62 @@
+import ScrollPresenter, { ScrollPresenterImpl }
+  from '../presenters/ScrollPresenter';
+import MarkClient, { MarkClientImpl } from '../client/MarkClient';
+import MarkRepository, { MarkRepositoryImpl }
+  from '../repositories/MarkRepository';
+import SettingRepository, { SettingRepositoryImpl }
+  from '../repositories/SettingRepository';
+import ConsoleClient, { ConsoleClientImpl } from '../client/ConsoleClient';
+
+export default class MarkUseCase {
+  private scrollPresenter: ScrollPresenter;
+
+  private client: MarkClient;
+
+  private repository: MarkRepository;
+
+  private settingRepository: SettingRepository;
+
+  private consoleClient: ConsoleClient;
+
+  constructor({
+    scrollPresenter = new ScrollPresenterImpl(),
+    client = new MarkClientImpl(),
+    repository = new MarkRepositoryImpl(),
+    settingRepository = new SettingRepositoryImpl(),
+    consoleClient = new ConsoleClientImpl(),
+  } = {}) {
+    this.scrollPresenter = scrollPresenter;
+    this.client = client;
+    this.repository = repository;
+    this.settingRepository = settingRepository;
+    this.consoleClient = consoleClient;
+  }
+
+  async set(key: string): Promise<void> {
+    let pos = this.scrollPresenter.getScroll();
+    if (this.globalKey(key)) {
+      this.client.setGloablMark(key, pos);
+      await this.consoleClient.info(`Set global mark to '${key}'`);
+    } else {
+      this.repository.set(key, pos);
+      await this.consoleClient.info(`Set local mark to '${key}'`);
+    }
+  }
+
+  async jump(key: string): Promise<void> {
+    if (this.globalKey(key)) {
+      await this.client.jumpGlobalMark(key);
+    } else {
+      let pos = this.repository.get(key);
+      if (!pos) {
+        throw new Error('Mark is not set');
+      }
+      let smooth = this.settingRepository.get().properties.smoothscroll;
+      this.scrollPresenter.scrollTo(pos.x, pos.y, smooth);
+    }
+  }
+
+  private globalKey(key: string) {
+    return (/^[A-Z0-9]$/).test(key);
+  }
+}