package todolist
import (
"encoding/json"
"fmt"
"log"
"net/http"
"github.com/julienschmidt/httprouter"
)
const (
VERSION = "0.3.0"
S3URL = "https://s3.amazonaws.com/todolist-local/" + VERSION
)
type Webapp struct {
Router *httprouter.Router
}
func NewWebapp() *Webapp {
return &Webapp{Router: setupRoutes()}
}
func (w *Webapp) Run() {
log.Fatal(http.ListenAndServe(":7890", w.Router))
}
func setupRoutes() *httprouter.Router {
router := httprouter.New()
router.GET("/", IndexScaffold)
router.OPTIONS("/todos", TodoOptions)
router.GET("/todos", GetTodos)
router.POST("/todos", SaveTodos)
router.NotFound = http.HandlerFunc(RedirectScaffold)
return router
}
func IndexScaffold(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
template := `
Todolist
`
fmt.Fprintf(w, template)
}
func RedirectScaffold(w http.ResponseWriter, r *http.Request) {
template := `
Todolist
`
fmt.Fprintf(w, template)
}
func urlFor(file string) string {
return S3URL + "/" + file
}
func RedirectToIndex(w http.ResponseWriter, r *http.Request) {
http.Redirect(w, r, S3URL+r.URL.Path, 301)
}
func GetTodos(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
w.Header().Set("Access-Control-Allow-Origin", "*")
app := NewApp()
app.Load()
json, _ := json.Marshal(app.TodoList.Data)
fmt.Fprintf(w, string(json))
}
func TodoOptions(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
w.Header().Set("Access-Control-Allow-Headers", "*")
w.Header().Set("Access-Control-Allow-Origin", "*")
fmt.Fprintf(w, "")
}
func SaveTodos(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
w.Header().Set("Access-Control-Allow-Headers", "*")
w.Header().Set("Access-Control-Allow-Origin", "*")
decoder := json.NewDecoder(r.Body)
var todos []*Todo
err := decoder.Decode(&todos)
if err != nil {
log.Fatal("encountered an error parsing json, ", err)
}
app := NewApp()
app.TodoStore.Save(todos)
}