重构: App拆分10域文件+并发安全+结构化日志+依赖升级

app_pdf.go

@@ -0,0 +1,50 @@
+package main
+
+import (
+	"fmt"
+
+	"u-desk/internal/api"
+)
+
+// ExportPDF 导出PDF文件
+func (a *App) ExportPDF(content string, title string, fileName string, fontSize int, pageWidth int, pageHeight int) (map[string]interface{}, error) {
+	if a.pdfAPI == nil {
+		return map[string]interface{}{
+			"success": false,
+			"message": "PDF导出功能未初始化",
+		}, fmt.Errorf("PDF导出功能未初始化")
+	}
+
+	req := api.PdfExportRequest{
+		Content:    content,
+		Title:      title,
+		FileName:   fileName,
+		FontSize:   fontSize,
+		PageWidth:  pageWidth,
+		PageHeight: pageHeight,
+	}
+
+	result, err := a.pdfAPI.ExportMarkdownToPDF(req)
+	if err != nil {
+		return map[string]interface{}{
+			"success": false,
+			"message": err.Error(),
+		}, err
+	}
+
+	return map[string]interface{}{
+		"success": result.Success,
+		"message": result.Message,
+		"path":    result.Path,
+		"size":    result.Size,
+	}, nil
+}
+
+// SelectPDFSaveDirectory 选择PDF保存目录
+func (a *App) SelectPDFSaveDirectory() (string, error) {
+	if a.pdfAPI == nil {
+		return "", fmt.Errorf("PDF导出功能未初始化")
+	}
+
+	return a.pdfAPI.SelectDirectory()
+}