grafana/pkg/api/api_render.go

33 lines
856 B
Go

package api
import (
"net/http"
"strconv"
"github.com/torkelo/grafana-pro/pkg/components/renderer"
"github.com/torkelo/grafana-pro/pkg/middleware"
"github.com/torkelo/grafana-pro/pkg/utils"
)
func RenderToPng(c *middleware.Context) {
accountId := c.GetAccountId()
queryReader := utils.NewUrlQueryReader(c.Req.URL)
queryParams := "?render&accountId=" + strconv.FormatInt(accountId, 10) + "&" + c.Req.URL.RawQuery
renderOpts := &renderer.RenderOpts{
Url: c.Params("*") + queryParams,
Width: queryReader.Get("width", "800"),
Height: queryReader.Get("height", "400"),
}
renderOpts.Url = "http://localhost:3000/" + renderOpts.Url
pngPath, err := renderer.RenderToPng(renderOpts)
if err != nil {
c.HTML(500, "error.html", nil)
}
c.Resp.Header().Set("Content-Type", "image/png")
http.ServeFile(c.Resp, c.Req.Request, pngPath)
}