🎨 Provide API /api/convert/pandoc https://github.com/siyuan-note/siyuan/issues/8235

kernel/api/pandoc.go

@@ -0,0 +1,49 @@
+// SiYuan - Build Your Eternal Digital Garden
+// Copyright (c) 2020-present, b3log.org
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero 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 Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package api
+
+import (
+	"net/http"
+
+	"github.com/88250/gulu"
+	"github.com/gin-gonic/gin"
+	"github.com/siyuan-note/siyuan/kernel/util"
+)
+
+func pandoc(c *gin.Context) {
+	ret := gulu.Ret.NewResult()
+	defer c.JSON(http.StatusOK, ret)
+
+	arg, ok := util.JsonArg(c, ret)
+	if !ok {
+		return
+	}
+
+	pandocArgs := arg["args"].([]interface{})
+	var args []string
+	for _, v := range pandocArgs {
+		args = append(args, v.(string))
+	}
+
+	err := util.ConvertPandoc(args...)
+	if nil != err {
+		ret.Code = -1
+		ret.Msg = err.Error()
+		return
+	}
+	return
+}

kernel/api/router.go

@@ -259,6 +259,8 @@ func ServeAPI(ginServer *gin.Engine) {
 	ginServer.Handle("POST", "/api/import/importData", model.CheckAuth, model.CheckReadonly, importData)
 	ginServer.Handle("POST", "/api/import/importSY", model.CheckAuth, model.CheckReadonly, importSY)
 
+	ginServer.Handle("POST", "/api/convert/pandoc", model.CheckAuth, model.CheckReadonly, pandoc)
+
 	ginServer.Handle("POST", "/api/template/render", model.CheckAuth, renderTemplate)
 	ginServer.Handle("POST", "/api/template/docSaveAsTemplate", model.CheckAuth, model.CheckReadonly, docSaveAsTemplate)
 	ginServer.Handle("POST", "/api/template/renderSprig", model.CheckAuth, model.CheckReadonly, renderSprig)

kernel/util/pandoc.go

@@ -18,6 +18,8 @@ package util
 
 import (
 	"bytes"
+	"errors"
+	"os"
 	"os/exec"
 	"path/filepath"
 	"strings"
@@ -26,6 +28,27 @@ import (
 	"github.com/siyuan-note/logging"
 )
 
+func ConvertPandoc(args ...string) (err error) {
+	if "" == PandocBinPath || ContainerStd != Container {
+		return errors.New("not found executable pandoc")
+	}
+
+	pandoc := exec.Command(PandocBinPath, args...)
+	gulu.CmdAttr(pandoc)
+	dir := filepath.Join(WorkspaceDir, "temp", "convert", "pandoc")
+	if err = os.MkdirAll(dir, 0755); nil != err {
+		logging.LogErrorf("mkdir [%s] failed: [%s]", dir, err)
+		return
+	}
+	pandoc.Dir = dir
+	output, err := pandoc.CombinedOutput()
+	if nil != err {
+		logging.LogErrorf("pandoc convert output [%s]", string(output))
+		return
+	}
+	return
+}
+
 func Pandoc(from, to, o, content string) (ret string, err error) {
 	if "" == from || "" == to || "md" == to {
 		ret = content