hrender-examples/htmx/main.go

148 lines
3.4 KiB
Go

package main
import (
"log"
"net/http"
"os"
"sort"
"strconv"
"github.com/zepyrshut/hrender"
)
type TodoList struct {
ID int
Name string
Completed bool
}
var todoList = []TodoList{
{
ID: 1,
Name: "Sacar a la perra",
Completed: false,
},
{
ID: 2,
Name: "Limpiar la casa",
Completed: false,
},
{
ID: 3,
Name: "Ir al supermercado",
Completed: false,
},
}
func main() {
templatesFS := os.DirFS("./templates")
h := hrender.NewHTMLRender(templatesFS, false)
mux := http.NewServeMux()
mux.Handle("GET /", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Set(hrender.ContentType, hrender.ContentTextHTMLUTF8)
err := h.Render(w, "pages/index", hrender.H{})
if err != nil {
http.Error(w, "error loading template", http.StatusInternalServerError)
}
}))
mux.Handle("GET /todo", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Set(hrender.ContentType, hrender.ContentTextHTMLUTF8)
sort.Slice(todoList, func(i, j int) bool {
return todoList[i].ID > todoList[j].ID
})
err := h.Render(w, "fragments/todo-widget", hrender.H{
"TodoList": todoList,
})
if err != nil {
http.Error(w, "error loading template", http.StatusInternalServerError)
}
}))
mux.Handle("GET /todo/new", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Set(hrender.ContentType, hrender.ContentTextHTMLUTF8)
err := h.Render(w, "fragments/todo-row-edit", hrender.H{})
if err != nil {
http.Error(w, "error loading template", http.StatusInternalServerError)
}
}))
mux.Handle("POST /todo", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
err := r.ParseForm()
if err != nil {
http.Error(w, "bad request", http.StatusBadRequest)
return
}
newID := 0
sort.Slice(todoList, func(i, j int) bool {
return todoList[i].ID > todoList[j].ID
})
newID = todoList[0].ID + 1
log.Println(todoList[len(todoList)-1].ID)
log.Println(todoList)
newItem := TodoList{
ID: newID,
Name: r.FormValue("name"),
Completed: false,
}
todoList = append(todoList, newItem)
w.Header().Set(hrender.ContentType, hrender.ContentTextHTMLUTF8)
err = h.Render(w, "fragments/todo-row", hrender.H{
"ID": newID,
"Name": newItem.Name,
"Completed": false,
})
if err != nil {
http.Error(w, "error loading template", http.StatusInternalServerError)
}
}))
mux.Handle("PATCH /todo/{id}/completed", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
idStr := r.PathValue("id")
id, err := strconv.Atoi(idStr)
if err != nil {
http.Error(w, "invalid id", http.StatusBadRequest)
return
}
var foundItem *TodoList
for i := range todoList {
if todoList[i].ID == id {
todoList[i].Completed = true
foundItem = &todoList[i]
break
}
}
if foundItem == nil {
http.Error(w, "item not found", http.StatusNotFound)
return
}
w.Header().Set(hrender.ContentType, hrender.ContentTextHTMLUTF8)
err = h.Render(w, "fragments/todo-row", hrender.H{
"ID": foundItem.ID,
"Name": foundItem.Name,
"Completed": true,
})
if err != nil {
http.Error(w, "error loading template", http.StatusInternalServerError)
}
}))
log.Println("server started on port 8080")
err := http.ListenAndServe(":8080", mux)
if err != nil {
panic("server cannot start")
}
}