ddServer/handlers/main_handler.go

40 lines
1.2 KiB
Go

package handlers
import (
"ddServer/model"
"embed"
"html/template"
"log"
"net/http"
)
// MainHandler handles the main HTTP request.
// It returns an http.HandlerFunc that renders the main page
// with the provided content and monsters.
func MainHandler(content embed.FS, monsters *[]model.Monster) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
log.Print("MainHandler called")
// Parse the templates from the embedded file system
tmpl, err := template.ParseFS(content, "templates/main.html", "templates/monsterForm.html", "templates/monster.html", "templates/monsterTable.html", "templates/base.html")
if err != nil {
log.Printf("Template parsing error: %v\n", err)
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
// Lock the mutex to ensure exclusive access to the monsters slice
mu.Lock()
defer mu.Unlock()
// Execute the main template with the provided data
err = tmpl.ExecuteTemplate(w, "main", map[string]any{
"Title": "Dungeons & Dragons Monster Generator",
"Monsters": *monsters,
})
if err != nil {
log.Printf("Template execution error: %v\n", err)
http.Error(w, err.Error(), http.StatusInternalServerError)
}
}
}