add flash

src/rest/mod.rs

@@ -9,10 +9,11 @@ use rocket::{
     form::{self, Form, ValueField},
     fs::FileServer,
     http::{Cookie, CookieJar},
-    response::Redirect,
+    request::FlashMessage,
+    response::{Flash, Redirect},
     Build, Rocket, State,
 };
-use rocket_dyn_templates::{context, Template};
+use rocket_dyn_templates::{tera, Template};
 use sea_orm::{Database, DatabaseConnection};
 use sha3::{Digest, Sha3_256};
 
@@ -37,7 +38,12 @@ impl Deref for NaiveDateForm {
 }
 
 #[get("/?<all>")]
-async fn index(db: &State<DatabaseConnection>, user: user::Model, all: Option<String>) -> Template {
+async fn index(
+    db: &State<DatabaseConnection>,
+    user: user::Model,
+    all: Option<String>,
+    flash: Option<FlashMessage<'_>>,
+) -> Template {
     let mut data = Vec::new();
 
     let mut show_next_n_days = 6;
@@ -56,12 +62,24 @@ async fn index(db: &State<DatabaseConnection>, user: user::Model, all: Option<St
         data.push(DayWithTrips::new(day, db.inner()).await);
     }
 
-    Template::render("index", context! { data, user })
+    let mut context = tera::Context::new();
+
+    if let Some(msg) = flash {
+        context.insert("flash", &msg.into_inner());
+    }
+    context.insert("data", &data);
+    context.insert("user", &user);
+    Template::render("index", &context.into_json())
 }
 
 #[get("/name")]
-fn name() -> Template {
+fn name(flash: Option<FlashMessage<'_>>) -> Template {
-    Template::render("name", context! {})
+    let mut context = tera::Context::new();
+
+    if let Some(msg) = flash {
+        context.insert("flash", &msg.into_inner());
+    }
+    Template::render("name", &context.into_json())
 }
 
 #[derive(FromForm)]
@@ -75,11 +93,10 @@ async fn savename(
     name: Form<NameForm>,
     cookies: &CookieJar<'_>,
     db: &State<DatabaseConnection>,
-) -> Redirect {
+) -> Flash<Redirect> {
     let user = user::Model::find_or_create_user(&name.name, db.inner()).await;
     match user.pw {
-        Some(pw) => {
+        Some(pw) => match &name.pw {
-            match &name.pw {
             Some(entered_pw) => {
                 let mut hasher = Sha3_256::new();
                 hasher.update(entered_pw);
@@ -87,20 +104,20 @@ async fn savename(
 
                 if hex::encode(entered_pw) == pw {
                     cookies.add_private(Cookie::new("name", name.name.clone()));
+                    return Flash::success(Redirect::to("/"), "Erfolgreich eingeloggt");
                 } else {
-                        Redirect::to("/"); // Wrong PW
+                    return Flash::error(Redirect::to("/name"), "Falsches Passwort");
                 }
             }
             None => {
-                    Redirect::to("/"); // No PW supplied
+                return Flash::error(Redirect::to("/name"), "Benutzer besitzt hat Passwort, du hast jedoch keines eingegeben. Bitte nochmal probieren");
-                }
-            }
             }
+        },
         None => {
             cookies.add_private(Cookie::new("name", name.name.clone()));
+            return Flash::success(Redirect::to("/"), "Name erfolgreich ausgewählt");
         }
     }
-    Redirect::to("/")
 }
 
 #[get("/logout")]

templates/base.html.tera

@@ -43,6 +43,25 @@
 	{% endif %}
 	<a href="/logout">LOGOUT</a>
     {% endif %}
+
+    {% if flash %}
+      {% if flash.0 == "success" %}
+        <div class="row">
+          <div class="one-column" style="padding: 15px; background-color: #2b8c68; margin-bottom: 1.6em;">
+            {{ flash.1 }}
+          </div>
+        </div>
+      {% endif %}
+      {% if flash.0 == "error" %}
+        <div class="row">
+          <div class="one-column" style="padding: 15px; background-color: #ff6961; margin-bottom: 1.6em;">
+            {{ flash.1 }}
+          </div>
+        </div>
+      {% endif %}
+    {% endif %}
+
+
     <div class="row">
       <div class="column">
 	{% block content %}