realize/server/main.go

132 lines
3.5 KiB
Go

package server
import (
"encoding/json"
"github.com/labstack/echo"
"github.com/labstack/echo/middleware"
c "github.com/tockins/realize/settings"
w "github.com/tockins/realize/watcher"
"golang.org/x/net/websocket"
"gopkg.in/urfave/cli.v2"
"net/http"
"strconv"
)
// Server settings
type Server struct {
*c.Settings `yaml:"-"`
*w.Blueprint `yaml:"-"`
Sync chan string `yaml:"-"`
}
// Render return a web pages defined in bindata
func render(c echo.Context, path string, mime int) error {
data, err := Asset(path)
if err != nil {
return echo.NewHTTPError(http.StatusNotFound)
}
rs := c.Response()
// check content type by extensions
switch mime {
case 1:
rs.Header().Set(echo.HeaderContentType, echo.MIMETextHTMLCharsetUTF8)
break
case 2:
rs.Header().Set(echo.HeaderContentType, echo.MIMEApplicationJavaScriptCharsetUTF8)
break
case 3:
rs.Header().Set(echo.HeaderContentType, "text/css")
break
case 4:
rs.Header().Set(echo.HeaderContentType, "image/svg+xml")
break
}
rs.WriteHeader(http.StatusOK)
rs.Write(data)
return nil
}
// Start the web server
func (s *Server) Start(p *cli.Context) (err error) {
if !p.Bool("no-server") && s.Enabled {
e := echo.New()
e.Use(middleware.Gzip())
e.Use(middleware.Recover())
// web panel
e.GET("/", func(c echo.Context) error {
return render(c, "assets/index.html", 1)
})
e.GET("/assets/js/all.min.js", func(c echo.Context) error {
return render(c, "assets/assets/js/all.min.js", 2)
})
e.GET("/assets/css/app.css", func(c echo.Context) error {
return render(c, "assets/assets/css/app.css", 3)
})
e.GET("/app/components/projects/index.html", func(c echo.Context) error {
return render(c, "assets/app/components/projects/index.html", 1)
})
e.GET("/app/components/project/index.html", func(c echo.Context) error {
return render(c, "assets/app/components/project/index.html", 1)
})
e.GET("/app/components/index.html", func(c echo.Context) error {
return render(c, "assets/app/components/index.html", 1)
})
e.GET("/assets/img/svg/github-logo.svg", func(c echo.Context) error {
return render(c, "assets/assets/img/svg/github-logo.svg", 4)
})
e.GET("/assets/img/svg/ic_error_black_48px.svg", func(c echo.Context) error {
return render(c, "assets/assets/img/svg/ic_error_black_48px.svg", 4)
})
e.GET("/assets/img/svg/ic_swap_vertical_circle_black_48px.svg", func(c echo.Context) error {
return render(c, "assets/assets/img/svg/ic_swap_vertical_circle_black_48px.svg", 4)
})
//websocket
e.GET("/ws", s.projects)
go e.Start(string(s.Settings.Server.Host) + ":" + strconv.Itoa(s.Settings.Server.Port))
if s.Open || p.Bool("open") {
_, err = Open("http://" + string(s.Settings.Server.Host) + ":" + strconv.Itoa(s.Settings.Server.Port))
if err != nil {
return err
}
}
} else {
s.Server.Enabled = false
}
return nil
}
func (s *Server) projects(c echo.Context) error {
websocket.Handler(func(ws *websocket.Conn) {
defer ws.Close()
msg, _ := json.Marshal(s.Blueprint.Projects)
err := websocket.Message.Send(ws, string(msg))
for {
select {
case <-s.Sync:
msg, _ := json.Marshal(s.Blueprint.Projects)
err = websocket.Message.Send(ws, string(msg))
if err != nil {
break
}
}
// Read
text := ""
err := websocket.Message.Receive(ws, &text)
if err != nil {
//log.Println(err)
break
} else {
err := json.Unmarshal([]byte(text), &s.Blueprint.Projects)
if err != nil {
break
}
}
}
}).ServeHTTP(c.Response(), c.Request())
return nil
}