wide/file/files.go

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2014-08-18 17:45:43 +04:00
package file
import (
"encoding/json"
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"github.com/b3log/wide/conf"
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"github.com/golang/glog"
"io/ioutil"
"net/http"
"os"
"path/filepath"
"sort"
"strings"
)
func GetFiles(w http.ResponseWriter, r *http.Request) {
data := map[string]interface{}{"succ": true}
root := FileNode{"projects", conf.Wide.GOPATH, "d", []*FileNode{}}
fileInfo, _ := os.Lstat(conf.Wide.GOPATH)
walk(conf.Wide.GOPATH, fileInfo, &root)
data["root"] = root
ret, _ := json.Marshal(data)
w.Header().Set("Content-Type", "application/json")
w.Write(ret)
}
func GetFile(w http.ResponseWriter, r *http.Request) {
decoder := json.NewDecoder(r.Body)
var args map[string]interface{}
if err := decoder.Decode(&args); err != nil {
glog.Error(err)
http.Error(w, err.Error(), 500)
return
}
path := args["path"].(string)
idx := strings.LastIndex(path, ".")
buf, _ := ioutil.ReadFile(path)
content := string(buf)
data := map[string]interface{}{"succ": true}
data["content"] = content
extension := ""
if 0 <= idx {
extension = path[idx:]
}
data["mode"] = getEditorMode(extension)
ret, _ := json.Marshal(data)
w.Header().Set("Content-Type", "application/json")
w.Write(ret)
}
func SaveFile(w http.ResponseWriter, r *http.Request) {
decoder := json.NewDecoder(r.Body)
var args map[string]interface{}
if err := decoder.Decode(&args); err != nil {
glog.Error(err)
http.Error(w, err.Error(), 500)
return
}
filePath := args["file"].(string)
fout, err := os.Create(filePath)
if nil != err {
glog.Error(err)
http.Error(w, err.Error(), 500)
return
}
code := args["code"].(string)
fout.WriteString(code)
if err := fout.Close(); nil != err {
glog.Error(err)
http.Error(w, err.Error(), 500)
return
}
ret, _ := json.Marshal(map[string]interface{}{"succ": true})
w.Header().Set("Content-Type", "application/json")
w.Write(ret)
}
func NewFile(w http.ResponseWriter, r *http.Request) {
decoder := json.NewDecoder(r.Body)
var args map[string]interface{}
if err := decoder.Decode(&args); err != nil {
glog.Error(err)
http.Error(w, err.Error(), 500)
return
}
data := map[string]interface{}{"succ": true}
path := args["path"].(string)
fileType := args["fileType"].(string)
if !createFile(path, fileType) {
data["succ"] = false
}
ret, _ := json.Marshal(data)
w.Header().Set("Content-Type", "application/json")
w.Write(ret)
}
func RemoveFile(w http.ResponseWriter, r *http.Request) {
decoder := json.NewDecoder(r.Body)
var args map[string]interface{}
if err := decoder.Decode(&args); err != nil {
glog.Error(err)
http.Error(w, err.Error(), 500)
return
}
data := map[string]interface{}{"succ": true}
path := args["path"].(string)
if !removeFile(path) {
data["succ"] = false
}
ret, _ := json.Marshal(data)
w.Header().Set("Content-Type", "application/json")
w.Write(ret)
}
type FileNode struct {
Name string `json:"name"`
Path string `json:"path"`
Type string `json:"type"`
FileNodes []*FileNode `json:"children"`
}
func walk(path string, info os.FileInfo, node *FileNode) {
files := listFiles(path)
for _, filename := range files {
fpath := filepath.Join(path, filename)
fio, _ := os.Lstat(fpath)
child := FileNode{Name: filename, Path: fpath, FileNodes: []*FileNode{}}
node.FileNodes = append(node.FileNodes, &child)
if nil == fio {
glog.Warningf("Path [%s] is nil", fpath)
continue
}
if fio.IsDir() {
child.Type = "d"
walk(fpath, fio, &child)
} else {
child.Type = "f"
}
}
return
}
func listFiles(dirname string) []string {
f, _ := os.Open(dirname)
names, _ := f.Readdirnames(-1)
f.Close()
sort.Strings(names)
return names
}
func getEditorMode(filenameExtension string) string {
switch filenameExtension {
case ".go":
return "go"
case ".html":
return "htmlmixed"
case ".md":
return "markdown"
case ".js", ".json":
return "javascript"
case ".css":
return "css"
case ".xml":
return "xml"
case ".sh":
return "shell"
case ".sql":
return "sql"
default:
return "text"
}
}
func createFile(path, fileType string) bool {
switch fileType {
case "f":
file, err := os.OpenFile(path, os.O_CREATE, 0664)
if nil != err {
glog.Info(err)
return false
}
defer file.Close()
glog.Infof("Created file [%s]", path)
return true
case "d":
err := os.Mkdir(path, 0775)
if nil != err {
glog.Info(err)
}
glog.Infof("Created directory [%s]", path)
return true
default:
glog.Infof("Unsupported file type [%s]", fileType)
return false
}
}
func removeFile(path string) bool {
if err := os.RemoveAll(path); nil != err {
glog.Errorf("Removes [%s] failed: [%s]", path, err.Error())
return false
}
glog.Infof("Removed [%s]", path)
return true
}