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chore: improved handler and improved login

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This commit is contained in:
Andre Henriques 2023-09-18 13:50:03 +01:00
parent 1fd025e6d6
commit b22d64a568
7 changed files with 270 additions and 50 deletions
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183
handler.go
View File

@ -82,7 +82,7 @@ type Error struct {
type AnswerType int
const (
NORMAL AnswerType = iota
NORMAL AnswerType = 1 << iota
HTML
JSON
HTMLFULL
@ -113,19 +113,29 @@ func LoadBasedOnAnswer(ans AnswerType, w http.ResponseWriter, path string, data
}
type HandleFunc struct {
path string
mode AnswerType
fn func(mode AnswerType, w http.ResponseWriter, r *http.Request) *Error
}
type Handler interface {
New()
Startup()
Get(fn func(mode AnswerType, w http.ResponseWriter, r *http.Request) *Error)
Post(fn func(mode AnswerType, w http.ResponseWriter, r *http.Request) *Error)
}
type Handle struct{}
type Handle struct {
gets []HandleFunc
posts []HandleFunc
}
func handleError(err *Error, answerType AnswerType, w http.ResponseWriter) {
if err != nil {
w.WriteHeader(err.code)
if err.code == 404 {
LoadBasedOnAnswer(answerType, w, "404.html", nil)
LoadBasedOnAnswer(answerType, w, "404.html", nil)
return
}
if err.msg != nil {
@ -134,39 +144,129 @@ func handleError(err *Error, answerType AnswerType, w http.ResponseWriter) {
}
}
func (x Handle) Get(path string, fn func(mode AnswerType, w http.ResponseWriter, r *http.Request) *Error) {
http.HandleFunc("/"+path, func(w http.ResponseWriter, r *http.Request) {
if r.Method != "Get" {
header := r.Header.Get("REQUEST-TYPE")
if header == "html" {
handleError(fn(HTMLFULL, w, r), HTMLFULL, w)
return
}
handleError(fn(NORMAL, w, r), NORMAL, w)
func (x *Handle) Get(path string, fn func(mode AnswerType, w http.ResponseWriter, r *http.Request) *Error) {
nhandler :=
HandleFunc{
fn: fn,
path: path,
mode: NORMAL | HTML | HTMLFULL | JSON,
}
})
http.HandleFunc("/api/html/"+path, func(w http.ResponseWriter, r *http.Request) {
if r.Method != "Get" {
handleError(fn(HTML, w, r), HTML, w)
}
})
http.HandleFunc("/api/json/"+path, func(w http.ResponseWriter, r *http.Request) {
if r.Method != "Get" {
handleError(fn(JSON, w, r), JSON, w)
}
})
x.gets = append(x.gets, nhandler)
}
func (x Handle) New() {
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
if r.URL.Path != "/" {
w.WriteHeader(http.StatusNotFound)
LoadView(w, "404.html", nil)
func (x *Handle) GetHTML(path string, fn func(mode AnswerType, w http.ResponseWriter, r *http.Request) *Error) {
nhandler :=
HandleFunc{
fn: fn,
path: path,
mode: NORMAL | HTML | HTMLFULL,
}
x.gets = append(x.gets, nhandler)
}
func (x *Handle) GetJSON(path string, fn func(mode AnswerType, w http.ResponseWriter, r *http.Request) *Error) {
nhandler :=
HandleFunc{
fn: fn,
path: path,
mode: JSON,
}
x.gets = append(x.gets, nhandler)
}
func (x *Handle) Post(path string, fn func(mode AnswerType, w http.ResponseWriter, r *http.Request) *Error) {
nhandler :=
HandleFunc{
fn: fn,
path: path,
mode: NORMAL | HTML | HTMLFULL | JSON,
}
x.posts = append(x.posts, nhandler)
}
func (x *Handle) PostHTML(path string, fn func(mode AnswerType, w http.ResponseWriter, r *http.Request) *Error) {
nhandler :=
HandleFunc{
fn: fn,
path: path,
mode: NORMAL | HTML | HTMLFULL,
}
x.posts = append(x.posts, nhandler)
}
func (x *Handle) PostJSON(path string, fn func(mode AnswerType, w http.ResponseWriter, r *http.Request) *Error) {
nhandler :=
HandleFunc{
fn: fn,
path: path,
mode: JSON,
}
x.posts = append(x.posts, nhandler)
}
func (x *Handle) handleGets(ans AnswerType, w http.ResponseWriter, r *http.Request) {
for _, s := range x.gets {
fmt.Printf("target: %s, paths: %s\n", s.path, r.URL.Path)
if s.path == r.URL.Path && ans&s.mode != 0 {
s.fn(ans, w, r)
return
}
LoadView(w, "index.html", nil)
}
w.WriteHeader(http.StatusNotFound)
LoadBasedOnAnswer(ans, w, "404.html", nil)
}
func (x *Handle) handlePosts(ans AnswerType, w http.ResponseWriter, r *http.Request) {
for _, s := range x.posts {
if s.path == r.URL.Path && ans&s.mode != 0 {
s.fn(ans, w, r)
return
}
}
w.WriteHeader(http.StatusNotFound)
LoadBasedOnAnswer(ans, w, "404.html", nil)
}
func AnswerTemplate(path string, data interface{}) func(mode AnswerType, w http.ResponseWriter, r *http.Request) *Error {
return func(mode AnswerType, w http.ResponseWriter, r *http.Request) *Error {
LoadBasedOnAnswer(mode, w, path, nil)
return nil
}
}
func NewHandler() *Handle {
x := &Handle{}
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
ans := NORMAL
if r.Header.Get("Request-Type") == "htmlfull" {
ans = HTMLFULL
}
if r.Header.Get("Request-Type") == "html" {
ans = HTML
}
//TODO JSON
if r.Method == "GET" {
x.handleGets(ans, w, r)
return
}
if r.Method == "POST" {
x.handlePosts(ans, w, r)
return
}
panic("TODO handle: " + r.Method)
})
// TODO Handle this in other way
http.HandleFunc("/styles/", func(w http.ResponseWriter, r *http.Request) {
path := r.URL.Path[len("/styles/"):]
if !strings.HasSuffix(path, ".css") {
@ -188,6 +288,31 @@ func (x Handle) New() {
w.Header().Set("Content-Type", "text/css; charset=utf-8")
t.Execute(w, nil)
})
// TODO Handle this in other way
http.HandleFunc("/js/", func(w http.ResponseWriter, r *http.Request) {
path := r.URL.Path[len("/js/"):]
if !strings.HasSuffix(path, ".js") {
w.WriteHeader(http.StatusNotFound)
w.Write([]byte("File not found"))
return
}
t, err := template.ParseFiles("./views/js/" + path)
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
w.Write([]byte("Failed to load template"))
fmt.Println("Error:")
fmt.Println(err)
return
}
w.Header().Set("Content-Type", "text/javascript; charset=utf-8")
t.Execute(w, nil)
})
return x
}
func (x Handle) Startup() {

24
main.go
View File

@ -8,19 +8,19 @@ import (
func main() {
fmt.Println("Starting server on :8000!")
handle := Handle{}
handle := NewHandler()
handle.New()
handle.GetHTML("/", AnswerTemplate("index.html", nil))
handle.GetHTML("/login", AnswerTemplate("login.html", nil))
handle.Post("/login", func(mode AnswerType, w http.ResponseWriter, r *http.Request) *Error {
if mode == JSON {
return &Error{code: 404}
}
handle.Get("login", func(mode AnswerType, w http.ResponseWriter, r *http.Request) *Error {
if mode == JSON {
return &Error{
code: 404,
};
}
LoadBasedOnAnswer(mode, w, "login.html", nil)
return nil;
})
w.Header().Set("Location", "/")
w.WriteHeader(http.StatusSeeOther)
return nil
})
handle.Startup()
handle.Startup()
}

10
views/js/main.js Normal file
View File

@ -0,0 +1,10 @@
function load() {
for (const elm of document.querySelectorAll("form > button")) {
elm.addEventListener('click', (e) => {
e.target.parentElement.classList.add("submitted");
});
}
}
window.onload = load;
htmx.on('htmx:afterSwap', load);

2
views/layout.html
View File

@ -16,6 +16,8 @@
</head>
<body>
<script src="https://unpkg.com/htmx.org@1.9.5"></script>
<script src="/js/main.js"></script>
{{ block "js_imports" . }} {{end}}
{{ block "body" . }}
{{ block "header.html" . }} {{end}}
<div class="app">

26
views/login.html
View File

@ -1,15 +1,25 @@
{{ define "title"}} Home : AI Stuff {{ end }}
{{ define "mainbody" }}
<form>
<div class="login-page">
<div>
<label for="email">Email</label>
<input name="email" required />
<h1>
Login
</h1>
<form method="post" action="/login" >
<fieldset>
<label for="email">Email</label>
<input type="email" required name="email" />
</fieldset>
<fieldset>
<label for="password">Password</label>
<input required name="password" type="password" />
</fieldset>
<button>
Login
</button>
</form>
</div>
<div>
<label for="password">Password</label>
<input name="password" required type="password" />
</div>
</form>
</div>
{{ end }}

2
views/partials/header.html
View File

@ -2,7 +2,7 @@
<ul>
<div class="expand"></div>
<li>
<a hx-get="/login" hx-headers='{"REQUEST-TYPE": "html"}' hx-push-url="true" hx-swap="outerHTML" hx-target=".app">
<a hx-get="/login" hx-headers='{"REQUEST-TYPE": "htmlfull"}' hx-push-url="true" hx-swap="outerHTML" hx-target=".app">
Login
</a>
</li>

73
views/styles/main.css
View File

@ -3,6 +3,16 @@
font-family: 'Roboto', sans-serif;
}
:root {
--white: #ffffff;
--grey: #ffffff;
--main: #fca311;
--sec: #14213d;
--black: #000000;
--red: 212, 38, 38;
--green: 92, 199, 30;
}
body {
margin: 0;
padding: 0;
@ -55,3 +65,66 @@ nav ul li a {
.page404 div.description {
font-size: 1.5em;
}
/* Login Page */
.login-page {
display: grid;
place-items: center;
}
.login-page > div {
width: 40vw;
}
.login-page h1 {
text-align: center;
}
/* forms */
form {
padding: 30px;
border-radius: 10px;
box-shadow: 2px 5px 8px 2px #66666655;
}
form label {
display: block;
padding-bottom: 5px;
font-size: 1.2rem;
}
form input {
border: none;
box-shadow: 0 2px 5px 1px #66666655;
border-radius: 5px;
padding: 10px;
width: 100%;
}
form input:invalid:focus,
form.submitted input:invalid {
box-shadow: 0 2px 5px 1px rgba(var(--red), 0.2);
}
form.submitted input:valid {
box-shadow: 0 2px 5px 1px rgba(var(--green), 0.2);
}
form fieldset {
padding-bottom: 15px;
border: none;
}
form button {
border-radius: 9px 10px;
text-align: center;
padding: 10px;
background: none;
border: none;
box-shadow: 0 2px 8px 1px #66666655;
margin-left: 50%;
width: 50%;
transform: translateX(-50%);
background: var(--main);
color: var(--black);
font-size: 1.2rem;
}