refactor: pick out logic into services

src/services/exportService.ts

@@ -0,0 +1,55 @@
+import type { Panel } from "../lib/types/panel";
+import { exportService as exportPanelService } from "../lib/services/exportService";
+import { setLoading } from "../stores/uiStore";
+
+export class ExportService {
+  private static instance: ExportService;
+  private errorMessage: string | null = null;
+
+  private constructor() {}
+
+  static getInstance(): ExportService {
+    if (!ExportService.instance) {
+      ExportService.instance = new ExportService();
+    }
+    return ExportService.instance;
+  }
+
+  getErrorMessage(): string | null {
+    return this.errorMessage;
+  }
+
+  setErrorMessage(message: string | null): void {
+    this.errorMessage = message;
+  }
+
+  async handleDownload(panel: Panel): Promise<void> {
+    try {
+      setLoading(true);
+      const result = await exportPanelService.exportPanel(panel);
+
+      if (!result.success) {
+        this.errorMessage = result.error || "Ошибка экспорта панели";
+      }
+    } catch (error) {
+      this.errorMessage = error instanceof Error ? error.message : "Ошибка экспорта панели";
+    } finally {
+      setLoading(false);
+    }
+  }
+
+  async handleDownloadAll(panels: Panel[]): Promise<void> {
+    try {
+      setLoading(true);
+      for (const panel of panels) {
+        await exportPanelService.exportPanel(panel);
+      }
+    } catch (error) {
+      this.errorMessage = error instanceof Error ? error.message : "Ошибка экспорта панелей";
+    } finally {
+      setLoading(false);
+    }
+  }
+}
+
+export const exportService = ExportService.getInstance();