Fixed png rending

pkg/components/phantom_renderer.go

@@ -1,73 +0,0 @@
-package components
-
-import (
-	"crypto/md5"
-	"encoding/hex"
-	"io"
-	"os"
-	"os/exec"
-	"path/filepath"
-	"time"
-
-	log "github.com/alecthomas/log4go"
-)
-
-type PhantomRenderer struct {
-	ImagesDir  string
-	PhantomDir string
-}
-
-type RenderOpts struct {
-	Url    string
-	Width  string
-	Height string
-}
-
-func (self *PhantomRenderer) RenderToPng(params *RenderOpts) (string, error) {
-	log.Info("PhantomRenderer::renderToPng url %v", params.Url)
-	binPath, _ := filepath.Abs(filepath.Join(self.PhantomDir, "phantomjs"))
-	scriptPath, _ := filepath.Abs(filepath.Join(self.PhantomDir, "render.js"))
-	pngPath, _ := filepath.Abs(filepath.Join(self.ImagesDir, getHash(params.Url)))
-	pngPath = pngPath + ".png"
-
-	cmd := exec.Command(binPath, scriptPath, "url="+params.Url, "width="+params.Width, "height="+params.Height, "png="+pngPath)
-	stdout, err := cmd.StdoutPipe()
-
-	if err != nil {
-		return "", err
-	}
-	stderr, err := cmd.StderrPipe()
-	if err != nil {
-		return "", err
-	}
-
-	err = cmd.Start()
-	if err != nil {
-		return "", err
-	}
-
-	go io.Copy(os.Stdout, stdout)
-	go io.Copy(os.Stdout, stderr)
-
-	done := make(chan error)
-	go func() {
-		cmd.Wait()
-		close(done)
-	}()
-
-	select {
-	case <-time.After(10 * time.Second):
-		if err := cmd.Process.Kill(); err != nil {
-			log.Error("failed to kill: %v", err)
-		}
-	case <-done:
-	}
-
-	return pngPath, nil
-}
-
-func getHash(text string) string {
-	hasher := md5.New()
-	hasher.Write([]byte(text))
-	return hex.EncodeToString(hasher.Sum(nil))
-}