first commit

app/main/api/internal/logic/query/downloadreportpdflogic.go

@@ -0,0 +1,39 @@
+package query
+
+import (
+	"context"
+	"fmt"
+
+	"in-server/app/main/api/internal/svc"
+	"in-server/app/main/api/internal/types"
+
+	"github.com/zeromicro/go-zero/core/logx"
+)
+
+type DownloadReportPdfLogic struct {
+	logx.Logger
+	ctx    context.Context
+	svcCtx *svc.ServiceContext
+}
+
+func NewDownloadReportPdfLogic(ctx context.Context, svcCtx *svc.ServiceContext) *DownloadReportPdfLogic {
+	return &DownloadReportPdfLogic{
+		Logger: logx.WithContext(ctx),
+		ctx:    ctx,
+		svcCtx: svcCtx,
+	}
+}
+
+func (l *DownloadReportPdfLogic) DownloadReportPdf(req *types.DownloadReportPdfReq) (resp *types.DownloadReportPdfResp, err error) {
+	pdfBytes, err := l.svcCtx.ReportPDFService.GetOrGenerateReportPDF(l.ctx, req.OrderId, req.OrderNo)
+	if err != nil {
+		logx.Errorf("生成报告 PDF 失败, orderId=%s, orderNo=%s, err=%v", req.OrderId, req.OrderNo, err)
+		return nil, fmt.Errorf("生成报告 PDF 失败: %w", err)
+	}
+
+	resp = &types.DownloadReportPdfResp{
+		FileName: fmt.Sprintf("report_%s.pdf", req.OrderNo),
+		Content:  pdfBytes,
+	}
+	return resp, nil
+}