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package webui
import (
"embed"
"html/template"
"log"
"net/http"
"time"
"git.adyxax.org/adyxax/trains/pkg/config"
"git.adyxax.org/adyxax/trains/pkg/navitia_api_client"
)
// the api client object
var client *navitia_api_client.Client
// the webui configuration
var conf *config.Config
//go:embed html/*
var templatesFS embed.FS
//go:embed static/*
var staticFS embed.FS
// The page template variable
type Page struct {
Departures []Departure
Title string
}
type Departure struct {
DisplayName string
Arrival string
Odd bool
}
// The root handler of the webui
func rootHandler(w http.ResponseWriter, r *http.Request) {
if r.URL.Path == "/" {
var p Page
if d, err := client.GetDepartures(conf.TrainStop); err != nil {
log.Printf("%+v\n%s\n", d, err)
} else {
for i := 0; i < len(d.Departures); i++ {
t, err := time.Parse("20060102T150405", d.Departures[i].StopDateTime.ArrivalDateTime)
if err != nil {
panic(err)
}
p.Departures = append(p.Departures, Departure{d.Departures[i].DisplayInformations.Direction, t.Format("Mon, 02 Jan 2006 15:04:05"), i%2 == 1})
}
w.Header().Set("Cache-Control", "no-store, no-cache")
}
p.Title = "Horaires des prochains trains à Crépieux la Pape"
renderTemplate(w, "index", p)
} else {
http.Error(w, "404 Not Found", http.StatusNotFound)
}
}
var templates = template.Must(template.ParseFS(templatesFS, "html/index.html"))
func renderTemplate(w http.ResponseWriter, tmpl string, p Page) {
err := templates.ExecuteTemplate(w, tmpl+".html", p)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
}
}
func Run(c *config.Config) {
conf = c
client = navitia_api_client.NewClient(c.Token)
http.Handle("/static/", http.FileServer(http.FS(staticFS)))
http.HandleFunc("/", rootHandler)
listenStr := c.Address + ":" + c.Port
log.Printf("Starting webui on %s", listenStr)
log.Fatal(http.ListenAndServe(listenStr, nil))
}
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