Admin page: Add link to admin page for admin

src/core.rs

@@ -49,6 +49,9 @@ fn fill_user_data(session: &SessionUser, data: &mut json_val::Map<String, serde_
     if session.is_logged_in() {
         data.insert("logged_in".to_string(), to_json(&true));
     }
+    if session.is_admin() {
+        data.insert("admin".to_string(), to_json(&true));
+    }
     data.insert("username".to_string(), to_json(&session.username));
     data.insert("firstname".to_string(), to_json(&session.firstname));
     data.insert("lastname".to_string(), to_json(&session.lastname));

src/db_objects.rs

@@ -259,6 +259,10 @@ impl SessionUser {
         (self.password.is_some() || self.logincode.is_some() || self.oauth_foreign_id.is_some()) && self.is_alive()
     }
 
+    pub fn is_admin(&self) -> bool {
+        self.id == 1
+    }
+
     pub fn ensure_alive(self) -> Option<Self> {
         if self.is_alive() {
             Some(self)

templates/default/admin.hbs

@@ -4,7 +4,7 @@
 <p>
    <form action="/admin/user/" method="post">
       Vorname:<br>
-      <input type="text" name="firstname">
+      <input type="text" name="firstname" value="%">
       <br>
       Nachname:<br>
       <input type="text" name="lastname" autofocus>

templates/jwinf/base.hbs

@@ -53,6 +53,9 @@
                   <a href="/group/" class="button is-warning is-small">⚙ &nbsp; Gruppenverwaltung</a>
                   <a href="/teacher" class="button is-primary is-small">👨‍🏫 &nbsp; Lehrer-Informationen</a>
                 {{/if}}
+                {{#if admin}}
+                   <a href="/admin/" class="button is-warning is-small">⚙ &nbsp; Administration</a>
+                {{/if}}
               </div>
             </div>
             {{/if}}