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server.go
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server.go
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package main
import (
"embed"
"html/template"
"io/fs"
"log"
"net/http"
"time"
footer "github.com/GeoNet/kit/ui/geonet_footer"
header "github.com/GeoNet/kit/ui/geonet_header"
header_basic "github.com/GeoNet/kit/ui/geonet_header_basic"
)
//go:embed assets
var assets embed.FS
//go:embed assets/example_header_logo.svg
var logo template.HTML
func main() {
// Setup for serving embedded asset files.
var assetFS = fs.FS(assets)
htmlContent, err := fs.Sub(assetFS, "assets")
if err != nil {
log.Fatal(err)
}
fs := http.FileServer(http.FS(htmlContent))
http.Handle("/", fs) // Serve static files
http.Handle("/geonetheader", http.HandlerFunc(testUIhandler))
http.Handle("/geonetfooter", http.HandlerFunc(testUIhandler))
http.Handle("/geonetheaderbasic", http.HandlerFunc(testUIhandler))
log.Println("starting server")
server := &http.Server{
Addr: ":8080",
ReadTimeout: 30 * time.Second,
WriteTimeout: 60 * time.Second,
}
log.Fatal(server.ListenAndServe())
}
func testUIhandler(w http.ResponseWriter, req *http.Request) {
var html template.HTML
var err error
// Add leading HTML. Every page includes Bootstrap CSS/JS and fonts.
// Each page can then also have its own custom CSS/JS files.
leadingHTML := `<!DOCTYPE html><html><head>
<link rel="stylesheet" href="/bootstrap.v5.min.css">
<link rel="stylesheet" href="/font/css/font-awesome-6.1.1.min.css">`
path := req.URL.Path
switch path {
case "/geonetfooter":
config := footer.FooterConfig{
ExtraLogos: []footer.FooterLogo{
{
URL: "https://www.rcet.science",
LogoURL: "/example_extra_logo.png",
},
},
}
leadingHTML += `<link rel="stylesheet" href="/local/footer.css">
<script src="/local/footer.js"></script>`
html, err = footer.ReturnGeoNetFooter(config)
if err != nil {
log.Println(err)
}
case "/geonetheader":
config := header.HeaderConfig{
Origin: "https://www.geonet.org.nz",
Active: header.Active{
Home: true,
},
}
leadingHTML += `<link rel="stylesheet" href="/local/header.css">
<script src="/local/header.js"></script>`
html, err = header.ReturnGeoNetHeader(config)
if err != nil {
log.Println(err)
}
case "/geonetheaderbasic":
items := []header_basic.HeaderBasicItem{
header_basic.HeaderBasicLink{
Title: "Test Home",
URL: "https://www.geonet.org.nz",
IsExternal: false,
},
header_basic.HeaderBasicDropdown{
Title: "Test Dropdown",
Links: []header_basic.HeaderBasicLink{
{
Title: "Test Dropdown External",
URL: "https://www.geonet.org.nz",
IsExternal: true,
},
{
Title: "Test Dropdown Not External",
URL: "https://www.geonet.org.nz",
IsExternal: false,
},
},
},
header_basic.HeaderBasicLink{
Title: "Test External",
URL: "https://www.geonet.org.nz",
IsExternal: true,
},
header_basic.HeaderBasicLink{
Title: "Test Not External",
URL: "https://www.geonet.org.nz",
IsExternal: false,
},
}
config := header_basic.HeaderBasicConfig{
Logo: logo,
Items: items,
}
leadingHTML += `<link rel="stylesheet" href="/local/header_basic.css">`
html, err = header_basic.ReturnGeoNetHeaderBasic(config)
if err != nil {
log.Println(err)
}
default:
w.WriteHeader(http.StatusNotFound)
}
leadingHTML += `<script src="/bootstrap.v5.bundle.min.js"></script></head><body>`
// Write leading HTML to writer
_, err = w.Write([]byte(leadingHTML))
if err != nil {
log.Println(err)
}
// Write HTML UI fragment to writer.
_, err = w.Write([]byte(html))
if err != nil {
log.Println(err)
}
// Add trailing HTML
trailingHTML := `</body></html>`
_, err = w.Write([]byte(trailingHTML))
if err != nil {
log.Println(err)
}
}