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-rw-r--r--internal/webui/app.go74
1 files changed, 74 insertions, 0 deletions
diff --git a/internal/webui/app.go b/internal/webui/app.go
new file mode 100644
index 0000000..f510074
--- /dev/null
+++ b/internal/webui/app.go
@@ -0,0 +1,74 @@
+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
+
+//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(); 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) {
+ 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))
+}