testserver tweaks.
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1 changed files with 58 additions and 41 deletions
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@ -8,50 +8,67 @@ import (
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"github.com/wcharczuk/go-web"
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)
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func chartHandler(rc *web.RequestContext) web.ControllerResult {
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format, err := rc.RouteParameter("format")
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if err != nil {
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format = "png"
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}
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if format == "png" {
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rc.Response.Header().Set("Content-Type", "image/png")
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} else {
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rc.Response.Header().Set("Content-Type", "image/svg+xml")
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}
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c := chart.Chart{
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Title: "A Test Chart",
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TitleStyle: chart.Style{
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Show: true,
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},
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Width: 640,
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Height: 480,
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Axes: chart.Style{
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Show: true,
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StrokeWidth: 1.0,
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},
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YRange: chart.Range{
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Min: 0.0,
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Max: 7.0,
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},
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FinalValueLabel: chart.Style{
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Show: true,
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},
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Series: []chart.Series{
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chart.ContinuousSeries{
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Name: "a",
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XValues: []float64{1.0, 2.0, 3.0, 4.0},
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YValues: []float64{2.5, 5.0, 2.0, 3.3},
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},
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chart.ContinuousSeries{
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Name: "b",
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XValues: []float64{3.0, 4.0, 5.0, 6.0},
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YValues: []float64{6.0, 5.0, 4.0, 1.0},
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},
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},
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}
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if format == "png" {
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err = c.Render(chart.PNG, rc.Response)
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} else {
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err = c.Render(chart.SVG, rc.Response)
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}
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if err != nil {
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return rc.API().InternalError(err)
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}
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rc.Response.WriteHeader(http.StatusOK)
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return nil
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}
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func main() {
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app := web.New()
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app.SetName("Chart Test Server")
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app.SetLogger(web.NewStandardOutputLogger())
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app.GET("/", func(rc *web.RequestContext) web.ControllerResult {
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rc.Response.Header().Set("Content-Type", "image/png")
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c := chart.Chart{
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Title: "A Test Chart",
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TitleStyle: chart.Style{
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Show: true,
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},
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Width: 640,
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Height: 480,
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Axes: chart.Style{
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Show: true,
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StrokeWidth: 1.0,
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},
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YRange: chart.Range{
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Min: 0.0,
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Max: 7.0,
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},
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FinalValueLabel: chart.Style{
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Show: true,
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},
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Series: []chart.Series{
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chart.ContinuousSeries{
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Name: "a",
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XValues: []float64{1.0, 2.0, 3.0, 4.0},
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YValues: []float64{2.5, 5.0, 2.0, 3.3},
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},
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chart.ContinuousSeries{
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Name: "b",
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XValues: []float64{3.0, 4.0, 5.0, 6.0},
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YValues: []float64{6.0, 5.0, 4.0, 1.0},
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},
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},
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}
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err := c.Render(chart.PNG, rc.Response)
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if err != nil {
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return rc.API().InternalError(err)
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}
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rc.Response.WriteHeader(http.StatusOK)
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return nil
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})
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app.GET("/", chartHandler)
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app.GET("/:format", chartHandler)
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log.Fatal(app.Start())
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}
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