bee/rundocs.go

156 lines
3.7 KiB
Go

// Copyright 2013 bee authors
//
// Licensed under the Apache License, Version 2.0 (the "License"): you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.
package main
import (
"archive/zip"
"fmt"
"io"
"net/http"
"os"
"strings"
)
var cmdRundocs = &Command{
UsageLine: "rundocs [-isDownload=true] [-docport=8888]",
Short: "rundocs will run the docs server,default is 8089",
Long: `
-d meaning will download the docs file from github
-p meaning server the Server on which port, default is 8089
`,
}
var (
swaggerVersion = "2"
swaggerlink = "https://github.com/beego/swagger/archive/v" + swaggerVersion + ".zip"
)
type docValue string
func (d *docValue) String() string {
return fmt.Sprint(*d)
}
func (d *docValue) Set(value string) error {
*d = docValue(value)
return nil
}
var isDownload docValue
var docport docValue
func init() {
cmdRundocs.Run = runDocs
cmdRundocs.PreRun = func(cmd *Command, args []string) { ShowShortVersionBanner() }
cmdRundocs.Flag.Var(&isDownload, "isDownload", "weather download the Swagger Docs")
cmdRundocs.Flag.Var(&docport, "docport", "doc server port")
}
func runDocs(cmd *Command, args []string) int {
if isDownload == "true" {
downloadFromURL(swaggerlink, "swagger.zip")
err := unzipAndDelete("swagger.zip")
if err != nil {
logger.Errorf("Error while unzipping 'swagger.zip' file: %s", err)
}
}
if docport == "" {
docport = "8089"
}
if _, err := os.Stat("swagger"); err != nil && os.IsNotExist(err) {
logger.Fatal("No Swagger dist found. Run: bee rundocs -isDownload=true")
}
logger.Infof("Starting the docs server on: http://127.0.0.1:%s", docport)
err := http.ListenAndServe(":"+string(docport), http.FileServer(http.Dir("swagger")))
if err != nil {
logger.Fatalf("%s", err)
}
return 0
}
func downloadFromURL(url, fileName string) {
var down bool
if fd, err := os.Stat(fileName); err != nil && os.IsNotExist(err) {
down = true
} else if fd.Size() == int64(0) {
down = true
} else {
logger.Infof("'%s' already exists", fileName)
return
}
if down {
logger.Infof("Downloading '%s' to '%s'...", url, fileName)
output, err := os.Create(fileName)
if err != nil {
logger.Errorf("Error while creating '%s': %s", fileName, err)
return
}
defer output.Close()
response, err := http.Get(url)
if err != nil {
logger.Errorf("Error while downloading '%s': %s", url, err)
return
}
defer response.Body.Close()
n, err := io.Copy(output, response.Body)
if err != nil {
logger.Errorf("Error while downloading '%s': %s", url, err)
return
}
logger.Successf("%d bytes downloaded!", n)
}
}
func unzipAndDelete(src string) error {
logger.Infof("Unzipping '%s'...", src)
r, err := zip.OpenReader(src)
if err != nil {
return err
}
defer r.Close()
rp := strings.NewReplacer("swagger-"+swaggerVersion, "swagger")
for _, f := range r.File {
rc, err := f.Open()
if err != nil {
return err
}
defer rc.Close()
fname := rp.Replace(f.Name)
if f.FileInfo().IsDir() {
os.MkdirAll(fname, f.Mode())
} else {
f, err := os.OpenFile(
fname, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, f.Mode())
if err != nil {
return err
}
defer f.Close()
_, err = io.Copy(f, rc)
if err != nil {
return err
}
}
}
logger.Successf("Done! Deleting '%s'...", src)
return os.RemoveAll(src)
}