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snippet.go
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snippet.go
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// SiYuan - Refactor your thinking
// 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 model
import (
"os"
"path/filepath"
"sync"
"github.com/88250/gulu"
"github.com/88250/lute/ast"
"github.com/siyuan-note/filelock"
"github.com/siyuan-note/logging"
"github.com/siyuan-note/siyuan/kernel/conf"
"github.com/siyuan-note/siyuan/kernel/util"
)
var snippetsLock = sync.Mutex{}
func RemoveSnippet(id string) (ret *conf.Snippet, err error) {
snippetsLock.Lock()
defer snippetsLock.Unlock()
snippets, err := loadSnippets()
if nil != err {
return
}
for i, s := range snippets {
if s.ID == id {
ret = s
snippets = append(snippets[:i], snippets[i+1:]...)
break
}
}
err = writeSnippetsConf(snippets)
return
}
func SetSnippet(snippets []*conf.Snippet) (err error) {
snippetsLock.Lock()
defer snippetsLock.Unlock()
err = writeSnippetsConf(snippets)
return
}
func LoadSnippets() (ret []*conf.Snippet, err error) {
snippetsLock.Lock()
defer snippetsLock.Unlock()
return loadSnippets()
}
func loadSnippets() (ret []*conf.Snippet, err error) {
ret = []*conf.Snippet{}
confPath := filepath.Join(util.SnippetsPath, "conf.json")
if !filelock.IsExist(confPath) {
return
}
data, err := filelock.ReadFile(confPath)
if nil != err {
logging.LogErrorf("load js snippets failed: %s", err)
return
}
if err = gulu.JSON.UnmarshalJSON(data, &ret); nil != err {
logging.LogErrorf("unmarshal js snippets failed: %s", err)
return
}
needRewrite := false
for _, snippet := range ret {
if "" == snippet.ID {
snippet.ID = ast.NewNodeID()
needRewrite = true
}
}
if needRewrite {
writeSnippetsConf(ret)
}
return
}
func writeSnippetsConf(snippets []*conf.Snippet) (err error) {
data, err := gulu.JSON.MarshalIndentJSON(snippets, "", " ")
if nil != err {
logging.LogErrorf("marshal snippets failed: %s", err)
return
}
if err = os.MkdirAll(util.SnippetsPath, 0755); nil != err {
return
}
confPath := filepath.Join(util.SnippetsPath, "conf.json")
err = filelock.WriteFile(confPath, data)
return
}