gochart/server.go

102 lines
2.6 KiB
Go

package main
import (
// "errors"
// "fmt"
"net/http"
"text/template"
)
var SplineDataArray = `
[
{
name: 'Tokyo',
data: [7.0, 6.9, 9.5, 14.5, 18.2, 21.5, 25.2, 26.5, 23.3, 18.3, 13.9, 9.6]
},
{
name: 'New York',
data: [-0.2, 0.8, 5.7, 11.3, 17.0, 22.0, 24.8, 24.1, 20.1, 14.1, 8.6, 2.5]
},
{
name: 'Berlin',
data: [-0.9, 0.6, 3.5, 8.4, 13.5, 17.0, 18.6, 17.9, 14.3, 9.0, 3.9, 1.0]
},
{
name: 'London',
data: [3.9, 4.2, 5.7, 8.5, 11.9, 15.2, 17.0, 16.6, 14.2, 10.3, 6.6, 4.8]
}
]
`
var PieDataArray = `
[
['Firefox', 45.0],
['IE', 26.8],
['Chrome', 12.8],
['Safari', 8.5],
['Opera', 6.2],
['Others', 0.7]
]
`
var Index = 1
func handler(w http.ResponseWriter, r *http.Request) {
var ArgsSpline = map[string]string {
"HighChartsJS": HighChartsJS,
"JQuery183MinJS" : JQuery183MinJS,
"ModulesExportingJS" : ModulesExportingJS,
"ChartType" : "spline",
"Title" : "Monthly Average Temperature",
"SubTitle" : "Source: WorldClimate.com",
"YAxisText" : "Temperature (°C)",
"XAxisNumbers" : "['1', '2', '3', '4', '5', '6', '7', '8', '9', '10', '11', '12']",
"ValueSuffix" : "°C",
"DataArray" : SplineDataArray,
}
var ArgsPie = map[string]string {
"HighChartsJS": HighChartsJS,
"JQuery183MinJS" : JQuery183MinJS,
"ModulesExportingJS" : ModulesExportingJS,
"ChartType" : "pie",
"Title" : "Browser market shares at a specific website, 2014",
"SubTitle" : "Source: website.com",
"SerieName" : "Browser shares",
"DataArray" : PieDataArray,
}
var Args * map[string]string
if t, err := template.New("foo").Parse(PieHtml); err != nil {
w.Write([]byte(err.Error()))
} else {
if Index % 2 == 0 {
Args = &ArgsSpline
} else {
Args = &ArgsPie
}
Args = &ArgsPie
if err = t.ExecuteTemplate(w, "T", *Args); err != nil {
w.Write([]byte(err.Error()))
}
}
}
func ListenAndServe(addr string) error {
http.HandleFunc("/", handler)
http.HandleFunc("/favicon.ico", func(w http.ResponseWriter, r *http.Request) {})
// var err error
// ChartFiles, err = LookupCurrentDir(".")
// if err != nil {
// return err
// }
//
// if len(ChartFiles) == 0 {
// return errors.New("No chart data.")
// }
return http.ListenAndServe(addr, nil)
}