Add search form to user list page

templates/instance/users.rs.html

@@ -3,7 +3,7 @@
 @use crate::template_utils::*;
 @use crate::routes::*;
 
-@(ctx: BaseContext, users: Vec<User>, page: i32, n_pages: i32)
+@(ctx: BaseContext, users: Vec<User>, user: Option<&str>, page: i32, n_pages: i32)
 
 @:base(ctx, i18n!(ctx.1, "Users"), {}, {}, {
     <h1>@i18n!(ctx.1, "Users")</h1>
@@ -15,6 +15,12 @@
         (&uri!(instance::admin_email_blocklist: page=_).to_string(), i18n!(ctx.1, "Email blocklist"), false)
     ])
 
+    <form method="get" action="@uri!(instance::admin_search_users: page = _, user = user.unwrap_or(""))">
+        <input type="search" name="user" value="@user.unwrap_or("")">
+        <input type="hidden" name="page" value="@page">
+        <input type="submit" value="@i18n!(ctx.1, "Search users")">
+    </form>
+
     <form method="post" action="@uri!(instance::edit_users)">
         <header>
             <select name="action">