add home handler + add templates folder
This commit is contained in:
rmanach
@@ -0,0 +1,37 @@
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package home
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import (
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"bytes"
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"fmt"
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"librapi/templates"
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"net/http"
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"github.com/rs/zerolog/log"
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)
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func Handler() func(http.ResponseWriter, *http.Request) {
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return func(w http.ResponseWriter, r *http.Request) {
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switch r.Method {
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case http.MethodGet:
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getHome(w, r)
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default:
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http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
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}
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}
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}
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func getHome(w http.ResponseWriter, _ *http.Request) {
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home := templates.GetHome()
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buf := bytes.NewBufferString("")
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if err := home.Execute(buf, nil); err != nil {
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log.Err(err).Msg("unable to generate template")
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http.Error(w, "unexpected error occurred", http.StatusInternalServerError)
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return
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}
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if _, err := fmt.Fprint(w, buf); err != nil {
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log.Err(err).Msg("unable to write to response")
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http.Error(w, "unexpected error occurred", http.StatusInternalServerError)
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}
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}
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@@ -4,13 +4,14 @@ import (
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"bytes"
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"errors"
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"fmt"
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"librapi/handlers/login/templates"
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"librapi/services"
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"net/http"
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"os"
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"sync"
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"github.com/rs/zerolog/log"
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"librapi/services"
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"librapi/templates"
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)
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var (
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@@ -140,16 +141,18 @@ func postLogin(w http.ResponseWriter, r *http.Request, s *services.SessionStore)
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http.SetCookie(w, cookie)
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loginSuccess := templates.GetLoginSuccess()
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fmt.Fprint(w, loginSuccess.Tree.Root.String())
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buf := bytes.NewBufferString("")
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if err := loginSuccess.Execute(buf, nil); err != nil {
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log.Err(err).Msg("unable to generate template")
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http.Error(w, "unexpected error occurred", http.StatusInternalServerError)
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return
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}
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fmt.Fprint(w, buf)
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}
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func getLogin(w http.ResponseWriter, r *http.Request, s *services.SessionStore) {
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loginForm := templates.GetLoginForm()
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if loginForm == nil {
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log.Error().Msg("unable to load login form")
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http.Error(w, "unexpected error occurred", http.StatusInternalServerError)
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return
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}
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if s.IsLogged(r) {
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loginSuccess := templates.GetLoginSuccess()
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@@ -1,66 +0,0 @@
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<!DOCTYPE html>
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<html>
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<head>
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<style>
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.main-container {
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display: flex;
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flex-direction: column;
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flex-wrap: wrap;
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justify-content: center;
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}
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.form-item {
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align-self: flex-start;
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margin: 10px;
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width: 300px;
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}
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.form-container {
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display: flex;
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flex-direction: row;
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flex-wrap: wrap;
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justify-content: space-between;
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}
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.error {
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color: red;
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}
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</style>
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</head>
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<body>
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<h1>Login</h1>
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<form action="/login" method="post" enctype="multipart/form-data">
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<div class="main-container">
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<div class="form-item">
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<div class="form-container">
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<label>Username:</label>
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<input type="text" name="username" value="{{.Username.Value}}" />
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</div>
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{{ if .Username.Err }}
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<div class="error">{{.Username.Err}}</div>
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{{ end }}
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</div>
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<div class="form-item">
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<div class="form-container">
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<label>Password:</label>
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<input type="password" name="password" value="{{.Password.Value}}" />
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</div>
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{{ if .Password.Err }}
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<div class="error">{{.Password.Err}}</div>
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{{ end }}
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</div>
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<div class="form-item">
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<div class="form-container">
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<button id="submit" type="submit">Login</button>
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</div>
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</div>
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</div>
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</form>
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{{ if ne (errStr .Error) "" }}
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<div class="error">{{.Error | errStr}}</div>
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{{ end }}
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</body>
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</html>
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@@ -1,13 +0,0 @@
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<!DOCTYPE html>
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<html>
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<body>
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<h1>Login</h1>
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<div>You're logged</div>
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<h2>Available urls</h2>
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<ul>
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<li><a href="/upload">Upload a book</a></li>
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</ul>
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</body>
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</html>
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@@ -1,43 +0,0 @@
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package templates
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import (
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_ "embed"
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"html/template"
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"os"
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"sync"
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"github.com/rs/zerolog/log"
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)
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//go:embed form.html.tpl
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var form string
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//go:embed success.html.tpl
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var success string
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var funcMap = template.FuncMap{
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"errStr": func(err error) string {
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if err != nil {
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return err.Error()
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}
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return ""
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},
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}
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var GetLoginForm = sync.OnceValue[*template.Template](func() *template.Template {
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tmpl, err := template.New("loginForm").Funcs(funcMap).Parse(form)
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if err != nil {
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log.Err(err).Msg("unable to parse login form")
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os.Exit(1)
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}
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return tmpl
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})
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var GetLoginSuccess = sync.OnceValue[*template.Template](func() *template.Template {
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tmpl, err := template.New("loginSuccess").Parse(success)
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if err != nil {
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log.Err(err).Msg("unable to parse login success")
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os.Exit(1)
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}
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return tmpl
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})
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@@ -13,8 +13,8 @@ import (
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"github.com/rs/zerolog/log"
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"librapi/handlers/upload/templates"
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"librapi/services"
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"librapi/templates"
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)
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const MaxFileSize = 200 // in MB
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@@ -1,107 +0,0 @@
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<!DOCTYPE html>
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<html>
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<head>
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<style>
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.main-container {
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display: flex;
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flex-direction: column;
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flex-wrap: wrap;
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justify-content: center;
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}
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.form-item {
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align-self: flex-start;
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margin: 10px;
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width: 300px;
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}
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.form-container {
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display: flex;
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flex-direction: row;
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flex-wrap: wrap;
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justify-content: space-between;
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}
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.error {
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color: red;
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}
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</style>
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</head>
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<body>
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<h1>Upload a book</h1>
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<form action="/upload" method="post" enctype="multipart/form-data">
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<div class="main-container">
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<div class="form-item">
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<div class="form-container">
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<label>Book name:</label>
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<input type="text" name="name" value="{{.Name.Value}}" />
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</div>
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{{ if .Name.Err }}
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<div class="error">{{.Name.Err}}</div>
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{{ end }}
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</div>
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<div class="form-item">
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<div class="form-container">
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<label>Editor:</label>
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<input type="text" name="editor" value="{{.Editor.Value}}" />
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</div>
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{{ if .Editor.Err }}
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<div class="error">{{.Editor.Err}}</div>
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{{ end }}
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</div>
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<div class="form-item">
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<div class="form-container">
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<label>Authors:</label>
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<input type="text" name="authors" value="{{.Authors.Value | join}}" />
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</div>
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{{ if .Authors.Err }}
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<div class="error">{{.Authors.Err}}</div>
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{{ end }}
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</div>
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<div class="form-item">
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<div class="form-container">
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<label>Year:</label>
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<input type="number" name="year" value="{{.Year.Value | year}}" />
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</div>
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{{ if .Year.Err }}
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<div class="error">{{.Year.Err}}</div>
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{{ end }}
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</div>
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<div class="form-item">
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<div class="form-container">
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<label>Keywords:</label>
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<input type="text" name="keywords" value="{{.Keywords.Value | join}}" />
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</div>
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{{ if .Keywords.Err }}
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<div class="error">{{.Keywords.Err}}</div>
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{{ end }}
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</div>
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<div class="form-item">
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<div class="form-container">
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<input type="file" name="file" files="{{.File.Value.Header | filename}}" accept=".pdf" />
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<button id="submit" type="submit">Upload</button>
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</div>
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</div>
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</div>
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</form>
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{{ if .File.Err }}
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<div class="error">{{.File.Err}}</div>
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{{ end }}
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{{ if ne .Error "" }}
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<div class="error">{{.Error}}</div>
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{{ end }}
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</body>
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<script type="text/javascript">
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var isSuccess = {{.IsSuccess }};
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var submit = document.getElementById("submit");
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submit.addEventListener("submit", function () {
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submit.disabled = true;
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});
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if (isSuccess) {
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alert("file uploaded successfully");
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}
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</script>
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</html>
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@@ -1,47 +0,0 @@
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package templates
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import (
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_ "embed"
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"html/template"
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"mime/multipart"
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"os"
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"strconv"
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"strings"
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"sync"
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"github.com/rs/zerolog/log"
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)
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var funcMap = template.FuncMap{
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"year": func(s int) string {
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if s == 0 {
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return ""
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}
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return strconv.Itoa(s)
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},
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"join": func(s []string) string {
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if len(s) == 0 {
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return ""
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} else {
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return strings.Join(s, ",")
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}
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},
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"filename": func(h *multipart.FileHeader) string {
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if h != nil {
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return h.Filename
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}
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return ""
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},
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}
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//go:embed form.html.tpl
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var form string
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var GetUploadForm = sync.OnceValue[*template.Template](func() *template.Template {
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tmpl, err := template.New("uploadForm").Funcs(funcMap).Parse(form)
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if err != nil {
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log.Err(err).Msg("unable to parse upload form")
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os.Exit(1)
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}
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return tmpl
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})
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