forked from b3log/pipe
/
exportctl.go
118 lines (98 loc) · 3.19 KB
/
exportctl.go
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// Pipe - A small and beautiful blogging platform written in golang.
// Copyright (C) 2017-2019, b3log.org & hacpai.com
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package console
import (
"io"
"io/ioutil"
"net/http"
"os"
"path/filepath"
"github.com/b3log/pipe/service"
"github.com/b3log/pipe/util"
"github.com/gin-gonic/gin"
)
// ExportMarkdownAction exports articles as markdown zip file.
func ExportMarkdownAction(c *gin.Context) {
result := util.NewResult()
defer c.JSON(http.StatusOK, result)
session := util.GetSession(c)
if nil == session {
result.Code = -1
result.Msg = "please login before export"
return
}
tempDir := os.TempDir()
logger.Trace("temp dir path is [" + tempDir + "]")
zipFilePath := filepath.Join(tempDir, session.UName+"-export-md.zip")
zipFile, err := util.Zip.Create(zipFilePath)
if nil != err {
logger.Errorf("create zip file [" + zipFilePath + "] failed: " + err.Error())
result.Code = -1
result.Msg = "create zip file failed"
return
}
c.Header("Content-Disposition", "attachment; filename="+session.UName+"-export-md.zip")
c.Header("Content-Type", "application/zip")
mdFiles := service.Export.ExportMarkdowns(session.BID)
if 1 > len(mdFiles) {
zipFile.Close()
file, err := os.Open(zipFilePath)
if nil != err {
logger.Errorf("open zip file [" + zipFilePath + " failed: " + err.Error())
result.Code = -1
result.Msg = "open zip file failed"
return
}
defer file.Close()
io.Copy(c.Writer, file)
return
}
zipPath := filepath.Join(tempDir, session.UName+"-export-md")
if err = os.RemoveAll(zipPath); nil != err {
logger.Errorf("remove temp dir [" + zipPath + "] failed: " + err.Error())
result.Code = -1
result.Msg = "remove temp dir failed"
return
}
if err = os.Mkdir(zipPath, 0755); nil != err {
logger.Errorf("make temp dir [" + zipPath + "] failed: " + err.Error())
result.Code = -1
result.Msg = "make temp dir failed"
return
}
for _, mdFile := range mdFiles {
filename := filepath.Join(zipPath, mdFile.Name+".md")
if err := ioutil.WriteFile(filename, []byte(mdFile.Content), 0644); nil != err {
logger.Errorf("write file [" + filename + "] failed: " + err.Error())
}
}
zipFile.AddDirectory(session.UName+"-export-md", zipPath)
if err := zipFile.Close(); nil != err {
logger.Errorf("zip failed: " + err.Error())
result.Code = -1
result.Msg = "zip failed"
return
}
file, err := os.Open(zipFilePath)
if nil != err {
logger.Errorf("open zip file [" + zipFilePath + " failed: " + err.Error())
result.Code = -1
result.Msg = "open zip file failed"
return
}
defer file.Close()
io.Copy(c.Writer, file)
}