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serve.go
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package main
import (
"os"
"path/filepath"
"reflect"
"github.com/InkProject/ink.go"
"github.com/facebookgo/symwalk"
"github.com/fsnotify/fsnotify"
"github.com/gorilla/websocket"
)
var watcher *fsnotify.Watcher
var conn *websocket.Conn
func buildWatchList() (files []string, dirs []string) {
dirs = []string{
filepath.Join(rootPath, "source"),
}
files = []string{
filepath.Join(rootPath, "config.yml"),
filepath.Join(themePath),
}
// Add files and directories defined in theme's config.yml to watcher
for _, themeCopiedPath := range themeConfig.Copy {
if themeCopiedPath != "" {
fullPath := filepath.Join(themePath, themeCopiedPath)
s, err := os.Stat(fullPath)
if s == nil || err != nil {
continue
}
if s.IsDir() {
dirs = append(dirs, fullPath)
} else {
files = append(files, fullPath)
}
}
}
return files, dirs
}
// Add files and dirs to watcher
func configureWatcher(watcher *fsnotify.Watcher, files []string, dirs []string) error {
for _, source := range dirs {
symwalk.Walk(source, func(path string, f os.FileInfo, err error) error {
if f != nil && f.IsDir() {
if err := watcher.Add(path); err != nil {
Warn(err.Error())
}
}
return nil
})
}
for _, source := range files {
if err := watcher.Add(source); err != nil {
Warn(err.Error())
}
}
return nil
}
func Watch() {
// Listen watched file change event
if watcher != nil {
watcher.Close()
}
watcher, _ = fsnotify.NewWatcher()
files, dirs := buildWatchList()
go func() {
for {
select {
case event := <-watcher.Events:
if event.Op == fsnotify.Write {
// Handle when file change
Log(event.Name)
ParseGlobalConfigWrap(rootPath, true)
newFiles, newDirs := buildWatchList()
// If file list changed, reconfigure watcher
if !reflect.DeepEqual(files, newFiles) || !reflect.DeepEqual(dirs, newDirs) {
configureWatcher(watcher, newFiles, newDirs)
files = newFiles
dirs = newDirs
}
Build()
if conn != nil {
if err := conn.WriteMessage(websocket.TextMessage, []byte("change")); err != nil {
Warn(err.Error())
}
}
}
case err := <-watcher.Errors:
Warn(err.Error())
}
}
}()
configureWatcher(watcher, files, dirs)
}
func Websocket(ctx *ink.Context) {
var upgrader = websocket.Upgrader{
ReadBufferSize: 1024,
WriteBufferSize: 1024,
}
if c, err := upgrader.Upgrade(ctx.Res, ctx.Req, nil); err != nil {
Warn(err)
} else {
conn = c
}
ctx.Stop()
}
func Serve() {
// editorWeb := ink.New()
//
// editorWeb.Get("/articles", ApiListArticle)
// editorWeb.Get("/articles/:id", ApiGetArticle)
// editorWeb.Post("/articles", ApiCreateArticle)
// editorWeb.Put("/articles/:id", ApiSaveArticle)
// editorWeb.Delete("/articles/:id", ApiRemoveArticle)
// editorWeb.Get("/config", ApiGetConfig)
// editorWeb.Put("/config", ApiSaveConfig)
// editorWeb.Post("/upload", ApiUploadFile)
// editorWeb.Use(ink.Cors)
// editorWeb.Get("*", ink.Static(filepath.Join("editor/assets")))
// Log("Access http://localhost:" + globalConfig.Build.Port + "/ to open editor")
// go editorWeb.Listen(":2333")
previewWeb := ink.New()
previewWeb.Get("/live", Websocket)
previewWeb.Get("*", ink.Static(filepath.Join(rootPath, globalConfig.Build.Output)))
uri := "http://localhost:" + globalConfig.Build.Port + "/"
Log("Access " + uri + " to open preview")
previewWeb.Listen(":" + globalConfig.Build.Port)
}