305 lines
8.4 KiB
Rust
305 lines
8.4 KiB
Rust
pub mod i18n;
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pub mod navigation;
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pub mod pages;
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use pages::list_links;
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use pages::list_users;
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use seed::attrs;
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use seed::button;
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use seed::input;
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use seed::label;
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use seed::{div, log, prelude::*, App, Url, C};
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use shared::apirequests::users::LoginUser;
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use shared::datatypes::Loadable;
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use shared::datatypes::User;
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use crate::i18n::{I18n, Lang};
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// ------ ------
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// Init
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// ------ ------
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fn init(url: Url, orders: &mut impl Orders<Msg>) -> Model {
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orders.subscribe(Msg::UrlChanged);
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orders.send_msg(Msg::GetLoggedUser);
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log!(url);
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let lang = I18n::new(Lang::EnUS);
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Model {
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index: 0,
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base_url: Url::new().add_path_part("app"),
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page: Page::init(url, orders, lang.clone()),
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i18n: lang,
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user: Loadable::Data(None),
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login_form: LoginForm::default(),
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login_data: LoginUser::default(),
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}
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}
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// ------ ------
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// Model
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// ------ ------
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#[derive(Debug)]
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struct Model {
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index: usize,
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base_url: Url,
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page: Page,
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i18n: i18n::I18n,
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user: Loadable<User>,
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login_form: LoginForm,
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login_data: LoginUser,
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}
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#[derive(Default, Debug)]
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struct LoginForm {
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username: ElRef<web_sys::HtmlInputElement>,
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password: ElRef<web_sys::HtmlInputElement>,
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}
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#[derive(Debug)]
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enum Page {
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Home(pages::list_links::Model),
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ListUsers(pages::list_users::Model),
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NotFound,
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}
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impl Page {
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fn init(mut url: Url, orders: &mut impl Orders<Msg>, i18n: I18n) -> Self {
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url.next_path_part();
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let result = match url.next_path_part() {
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None | Some("list_links") => Self::Home(pages::list_links::init(
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url,
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&mut orders.proxy(Msg::ListLinks),
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i18n,
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)),
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Some("list_users") => Self::ListUsers(pages::list_users::init(
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url,
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&mut orders.proxy(Msg::ListUsers),
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i18n,
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)),
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_other => Self::NotFound,
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};
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log!("Page initialized");
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result
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}
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}
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// ------ ------
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// Update
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// ------ ------
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#[derive(Clone)]
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pub enum Msg {
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UrlChanged(subs::UrlChanged),
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ListLinks(list_links::Msg),
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ListUsers(list_users::Msg),
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GetLoggedUser,
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UserReceived(User),
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NoMessage,
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NotAuthenticated,
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Login,
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UsernameChanged(String),
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PasswordChanged(String),
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}
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fn update(msg: Msg, model: &mut Model, orders: &mut impl Orders<Msg>) {
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match msg {
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Msg::UrlChanged(url) => {
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model.page = Page::init(url.0, orders, model.i18n.clone());
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}
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Msg::ListLinks(msg) => {
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if let Page::Home(model) = &mut model.page {
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list_links::update(msg, model, &mut orders.proxy(Msg::ListLinks))
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}
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}
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Msg::ListUsers(msg) => {
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if let Page::ListUsers(model) = &mut model.page {
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list_users::update(msg, model, &mut orders.proxy(Msg::ListUsers))
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}
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}
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Msg::NoMessage => (),
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Msg::GetLoggedUser => {
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orders.skip(); // No need to rerender
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orders.perform_cmd(async {
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// create request
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let request = unwrap_or_return!(
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Request::new("/admin/json/get_logged_user/")
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.method(Method::Post)
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.json(&()),
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Msg::NotAuthenticated
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);
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// perform and get response
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let response = unwrap_or_return!(fetch(request).await, Msg::NotAuthenticated);
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// validate response status
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let response = unwrap_or_return!(response.check_status(), Msg::NotAuthenticated);
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let user: User = unwrap_or_return!(response.json().await, Msg::NotAuthenticated);
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Msg::UserReceived(user)
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});
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}
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Msg::UserReceived(user) => model.user = Loadable::Data(Some(user)),
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Msg::NotAuthenticated => {if model.user.is_some() {model.user = Loadable::Data(None); logout(orders)}},
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Msg::Login => {login_user(model, orders)}
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Msg::UsernameChanged(s) => model.login_data.username = s,
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Msg::PasswordChanged(s) => model.login_data.password = s,
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}
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}
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fn logout(orders: &mut impl Orders<Msg>) {
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orders.perform_cmd(async {let request = Request::new("/admin/logout/");
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unwrap_or_return!(fetch(request).await, Msg::GetLoggedUser);
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Msg::NotAuthenticated});
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}
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fn login_user(model: &mut Model, orders: &mut impl Orders<Msg>) {
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orders.skip(); // No need to rerender
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let data = model.login_data.clone();
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orders.perform_cmd(async {
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let data = data;
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// create request
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let request = unwrap_or_return!(
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Request::new("/admin/json/login_user/")
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.method(Method::Post)
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.json(&data),
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Msg::NotAuthenticated
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);
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// perform and get response
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let response = unwrap_or_return!(fetch(request).await, Msg::NotAuthenticated);
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// validate response status
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let response = unwrap_or_return!(response.check_status(), Msg::NotAuthenticated);
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let user: User = unwrap_or_return!(response.json().await, Msg::NotAuthenticated);
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Msg::UserReceived(user)
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});
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}
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pub struct Urls<'a> {
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base_url: std::borrow::Cow<'a, Url>,
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}
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impl<'a> Urls<'a> {
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/// Create a new `Urls` instance.
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///
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/// # Example
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///
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/// ```rust,no_run
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/// Urls::new(base_url).home()
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/// ```
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pub fn new(base_url: impl Into<std::borrow::Cow<'a, Url>>) -> Self {
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Self {
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base_url: base_url.into(),
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}
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}
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/// Return base `Url`. If `base_url` isn't owned, it will be cloned.
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///
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/// # Example
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///
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/// ```rust,no_run
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/// pub fn admin_urls(self) -> page::admin::Urls<'a> {
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/// page::admin::Urls::new(self.base_url().add_path_part(ADMIN))
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/// }
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/// ```
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#[must_use]
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pub fn base_url(self) -> Url {
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self.base_url.into_owned()
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}
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#[must_use]
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pub fn home(self) -> Url {
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self.base_url()
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}
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#[must_use]
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pub fn list_links(self) -> Url {
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self.base_url().add_path_part("list_links")
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}
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#[must_use]
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pub fn create_link(self) -> Url {
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self.list_links().add_path_part("create_link")
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}
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#[must_use]
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pub fn list_users(self) -> Url {
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self.base_url().add_path_part("list_users")
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}
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#[must_use]
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pub fn create_user(self) -> Url {
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self.list_users().add_path_part("create_user")
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}
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}
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// ------ ------
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// View
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// ------ ------
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/// Render the menu and the subpages.
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fn view(model: &Model) -> Node<Msg> {
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div![
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C!["page"],
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if let Some(ref user) = *model.user {
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div![
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navigation::navigation(&model.i18n, &model.base_url, user),
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view_content(&model.page, &model.base_url)
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]
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} else {
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view_login(&model.i18n, &model)
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}
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]
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}
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/// Render the subpages.
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fn view_content(page: &Page, url: &Url) -> Node<Msg> {
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div![
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C!["container"],
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match page {
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Page::Home(model) => pages::list_links::view(model).map_msg(Msg::ListLinks),
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Page::ListUsers(model) => pages::list_users::view(model).map_msg(Msg::ListUsers),
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Page::NotFound => div![div![url.to_string()], "Page not found!"],
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}
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]
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}
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fn view_login(lang: &I18n, model: &Model) -> Node<Msg> {
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let t = move |key: &str| lang.translate(key, None);
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div![
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C!["center", "login"],
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div![
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label![t("username")],
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input![
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input_ev(Ev::Input, |s| { Msg::UsernameChanged(s) }),
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attrs![
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At::Type => "text",
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At::Placeholder => t("username"),
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At::Name => "username",
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At::Value => model.login_data.username],
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el_ref(&model.login_form.username)
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]
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],
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div![
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label![t("password")],
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input![
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input_ev(Ev::Input, |s| { Msg::PasswordChanged(s) }),
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attrs![
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At::Type => "password",
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At::Placeholder => t("password"),
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At::Name => "password",
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At::Value => model.login_data.password],
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el_ref(&model.login_form.password)
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]
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],
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button![t("login"), ev(Ev::Click, |_| Msg::Login)]
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]
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}
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// ------ ------
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// Start
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// ------ ------
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#[wasm_bindgen(start)]
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pub fn main() {
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App::start("app", init, update, view);
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}
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