mirror of
https://github.com/grafana/grafana.git
synced 2024-11-26 02:40:26 -06:00
34 lines
873 B
Go
34 lines
873 B
Go
package api
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import (
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"fmt"
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"net/http"
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"github.com/grafana/grafana/pkg/components/renderer"
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"github.com/grafana/grafana/pkg/middleware"
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"github.com/grafana/grafana/pkg/setting"
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"github.com/grafana/grafana/pkg/util"
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)
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func RenderToPng(c *middleware.Context) {
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queryReader := util.NewUrlQueryReader(c.Req.URL)
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queryParams := fmt.Sprintf("?render=1&%s=%d&%s", middleware.SESS_KEY_USERID, c.UserId, c.Req.URL.RawQuery)
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renderOpts := &renderer.RenderOpts{
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Url: c.Params("*") + queryParams,
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Width: queryReader.Get("width", "800"),
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Height: queryReader.Get("height", "400"),
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}
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renderOpts.Url = setting.ToAbsUrl(renderOpts.Url)
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pngPath, err := renderer.RenderToPng(renderOpts)
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if err != nil {
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c.Handle(500, "Failed to render to png", err)
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return
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}
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c.Resp.Header().Set("Content-Type", "image/png")
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http.ServeFile(c.Resp, c.Req.Request, pngPath)
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}
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