application/api/internal/logic/fileuploadlogic.go

package logic

import (
	"context"
	"fmt"
	"io"
	"io/ioutil"
	"log"
	"net/http"
	"strings"

	"app.yhyue.com/moapp/jybase/common"
	fpb "bp.jydev.jianyu360.cn/BaseService/fileCenter/rpc/pb"
	cm "bp.jydev.jianyu360.cn/CRM/application/api/common"
	"bp.jydev.jianyu360.cn/CRM/application/api/internal/svc"
	"bp.jydev.jianyu360.cn/CRM/application/api/internal/types"
	"bp.jydev.jianyu360.cn/CRM/application/service"
	"github.com/zeromicro/go-zero/core/logx"
	"golang.org/x/text/encoding/charmap"
)

type FileUploadLogic struct {
	logx.Logger
	ctx    context.Context
	svcCtx *svc.ServiceContext
	r      *http.Request
}

func NewFileUploadLogic(ctx context.Context, svcCtx *svc.ServiceContext, r *http.Request) *FileUploadLogic {
	return &FileUploadLogic{
		Logger: logx.WithContext(ctx),
		ctx:    ctx,
		svcCtx: svcCtx,
		r:      r,
	}
}

func (l *FileUploadLogic) FileUpload(req *types.FileUploadReq) (resp *types.Reply, err error) {
	resp = &types.Reply{}
	file, header, _ := l.r.FormFile("file")
	status := 1
	defer file.Close()
	bt, _ := ioutil.ReadAll(file)
	utf8Filename, err := convertToUTF8(header.Filename)

	up, err := cm.FileCenterRpc.Upload(l.ctx, &fpb.UploadReq{
		File:          bt,
		OssBucketName: cm.C.OssBucketName,
		OssUrl:        cm.C.OssUrl,
		Name:          header.Filename,
	})
	log.Println("=====", header.Filename, "~~", utf8Filename)
	if up == nil || up.Url == "" {
		resp.Error_code = -1
		resp.Error_msg = "上传失败"
		resp.Data = map[string]interface{}{"status": -1}
		return
	}
	key := up.Key
	size := fmt.Sprintf("%.4f", common.Float64All(header.Size)/1024)
	for {
		if strings.HasSuffix(size, "0") {
			size = strings.TrimRight(size, "0")
			continue
		}
		if strings.HasSuffix(size, ".") {
			size = strings.TrimRight(size, ".")
			break
		}
		break
	}
	fileSize := size + "KB"
	var data map[string]interface{}

	fileTypeTmp := strings.Split(header.Filename, ".")
	var ftype string
	if len(fileTypeTmp) > 0 && len(fileTypeTmp) == 2 {
		ftype = strings.Split(header.Filename, ".")[1]
	}

	fl := &service.File{
		Name:       header.Filename, //附件名称
		Suffix:     ftype,           //文件后缀
		FileType:   req.FileType,    //文件类型，产品介绍、项目方案、立项报告、报价文件、招标文件、投标文件、中标通知书、合同、发票、其他文件
		Size:       fileSize,        //文件大小
		Oss:        up.Url,          //oss地址
		BusinessId: req.BusinessId,  //业务id
		Types:      req.Types,       //类型；1：跟进记录-线下 2：跟进记录-线上 3：跟进记录-备忘 4：销售机会-项目文档 5：客户-客户档案
	}
	if !fl.Add() {
		status = -1
	}
	data = map[string]interface{}{
		"filename": header.Filename,
		"ftype":    ftype,
		"fid":      key,
		"size":     fileSize,
		"ossurl":   cm.C.OssUrl,
		"url":      up.Url,
		"status":   status,
	}

	resp.Data = data
	return
}

func convertToUTF8(iso8859Filename string) (string, error) {
	iso8859Decoder := charmap.ISO8859_1.NewDecoder()
	utf8Bytes, err := io.ReadAll(iso8859Decoder.Reader(strings.NewReader(iso8859Filename)))
	if err != nil {
		return "", err
	}

	utf8Filename := string(utf8Bytes)
	return utf8Filename, nil
}