785 lines
29 KiB
Rust
785 lines
29 KiB
Rust
use gloo_net::http::Request;
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use serde::{Deserialize, Serialize};
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use wasm_bindgen_futures::spawn_local;
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use yew::prelude::*;
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use yew_router::prelude::*;
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// #[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
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// pub struct User {
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// pub id: i16,
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// pub last_name: String,
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// pub first_name: String,
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// pub username: String,
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// pub is_admin: bool,
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// pub pwd: String,
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// }
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/// Data transfer object (DTO) for creating a new user.
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///
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/// This struct defines the payload sent to the backend when an administrator
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/// registers a new user. It includes all necessary information for user creation.
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///
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/// # Fields
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/// - `first_name`: The first name of the user.
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/// - `last_name`: The last name of the user.
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/// - `username`: The unique username for the user's login.
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/// - `is_admin`: A boolean indicating whether the new user should have administrator privileges.
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/// - `pwd`: The password for the user's account. This will be hashed on the backend.
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#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
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pub struct UserCreateScheme {
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pub first_name: String,
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pub last_name: String,
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pub username: String,
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pub is_admin: bool,
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pub pwd: String,
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}
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/// Data transfer object (DTO) for user login credentials.
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///
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/// This struct defines the payload sent to the backend when a user attempts to log in.
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///
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/// # Fields
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/// - `username`: The username provided by the user.
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/// - `pwd`: The password provided by the user.
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#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
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pub struct LoginScheme {
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pub username: String,
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pub pwd: String,
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}
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/// Data transfer object (DTO) for updating an existing user's information.
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///
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/// This struct is used to send updated user details, including an optional new password,
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/// to the backend for an existing user.
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///
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/// # Fields
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/// - `id`: The unique identifier of the user to be updated.
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/// - `first_name`: The updated first name of the user.
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/// - `last_name`: The updated last name of the user.
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/// - `username`: The updated username for the user.
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/// - `make_admin`: A boolean indicating whether to grant/revoke administrator privileges.
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/// - `new_pwd`: An optional new password for the user. If empty, the password remains unchanged.
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#[derive(Deserialize, Serialize, Debug)]
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pub struct UserUpdateScheme {
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pub id: i16,
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pub first_name: String,
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pub last_name: String,
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pub username: String,
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pub make_admin: bool,
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pub new_pwd: String,
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}
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/// Represents a user entity with sensitive information filtered out.
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///
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/// This struct is used for displaying user information in contexts where
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/// the password hash or other sensitive details are not needed or should not be exposed.
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/// It's typically used for listing users or displaying user profiles.
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///
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/// # Fields
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/// - `id`: The unique identifier of the user.
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/// - `first_name`: The first name of the user.
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/// - `last_name`: The last name of the user.
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/// - `username`: The unique username of the user.
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/// - `is_admin`: A boolean indicating if the user has administrator privileges.
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#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
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pub struct FilteredUser {
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pub id: i16,
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pub first_name: String,
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pub last_name: String,
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pub username: String,
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pub is_admin: bool,
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}
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/// Properties for components that display or interact with a single user.
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///
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/// This struct is used to pass the ID of a specific user to components
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/// that need to fetch, display, or modify their details.
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///
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/// # Fields
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/// - `id`: The unique identifier of the user to be displayed or acted upon.
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#[derive(Properties, PartialEq)]
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pub struct UserProps {
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pub id: i16,
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}
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#[derive(Deserialize, Debug)]
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struct ApiError {
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message: String,
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_status: String,
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}
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/// A component providing a form for registering new users.
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///
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/// This component allows an administrator to create new user accounts by providing
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/// their first name, last name, username, password, and specifying if they should
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/// be an administrator. The component handles form input, validation (basic),
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/// and interaction with the backend `/api/register` endpoint.
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///
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/// # State
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/// Uses `use_state` hooks to manage:
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/// - `first_name`, `last_name`, `username`, `pwd`: Values of the form input fields.
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/// - `is_admin`: Boolean state for the admin checkbox.
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/// - `status`: To display messages about registration success or errors.
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///
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/// # Form Submission
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/// - Prevents default form submission behavior.
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/// - Constructs a `UserCreateScheme` payload from the form data.
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/// - Sends a POST request to `/api/register`.
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/// - Updates the `status` state based on the API response.
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///
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/// # Example
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/// ```rust
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/// html! {
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/// <Register />
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/// }
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/// ```
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#[component(Register)]
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pub fn register_component() -> Html {
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let first_name = use_state(|| "".to_string());
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let last_name = use_state(|| "".to_string());
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let username = use_state(|| "".to_string());
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let is_admin = use_state(|| false);
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let pwd = use_state(|| "".to_string());
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let status = use_state(|| None::<String>);
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let onsubmit = {
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let first_name = first_name.clone();
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let last_name = last_name.clone();
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let username = username.clone();
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let is_admin = is_admin.clone();
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let pwd = pwd.clone();
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let status = status.clone();
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Callback::from(move |e: SubmitEvent| {
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e.prevent_default();
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let first_name = (*first_name).clone();
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let last_name = (*last_name).clone();
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let username = (*username).clone();
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let is_admin = *is_admin;
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let pwd = (*pwd).clone();
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let status = status.clone();
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spawn_local(async move {
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let payload = UserCreateScheme {
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first_name,
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last_name,
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username,
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is_admin,
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pwd,
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};
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let request = Request::post("/api/register")
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.json(&payload)
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.expect("Error building request");
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match request.send().await {
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Ok(response) if response.status() == 200 => status.set(Some("Success".into())),
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Ok(response) => status.set(Some(format!("Error: {}", response.status()))),
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Err(err) => status.set(Some(format!("Network error: {}", err))),
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}
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});
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})
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};
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let fn_change = {
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let first_name = first_name.clone();
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Callback::from(move |e: InputEvent| {
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let input: web_sys::HtmlInputElement = e.target_unchecked_into();
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first_name.set(input.value());
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})
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};
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let ln_change = {
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let last_name = last_name.clone();
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Callback::from(move |e: InputEvent| {
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let input: web_sys::HtmlInputElement = e.target_unchecked_into();
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last_name.set(input.value());
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})
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};
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let un_change = {
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let username = username.clone();
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Callback::from(move |e: InputEvent| {
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let input: web_sys::HtmlInputElement = e.target_unchecked_into();
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username.set(input.value());
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})
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};
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let admin_change = {
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let is_admin = is_admin.clone();
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Callback::from(move |e: Event| {
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let input: web_sys::HtmlInputElement = e.target_unchecked_into();
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is_admin.set(input.checked());
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})
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};
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let pwd_change = {
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let pwd = pwd.clone();
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Callback::from(move |e: InputEvent| {
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let input: web_sys::HtmlInputElement = e.target_unchecked_into();
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pwd.set(input.value());
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})
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};
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html! {
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<div class="form-container">
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<div class="page-header">
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<h1>{ "Register User" }</h1>
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</div>
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<form {onsubmit}>
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<label>{ "Vorname:" }
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<input type="text" value={(*first_name).clone()} oninput={fn_change}/>
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</label>
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<label>{ "Nachname:" }
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<input type="text" value={(*last_name).clone()} oninput={ln_change}/>
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</label>
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<label>{ "Benutzername:" }
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<input type="text" value={(*username).clone()} oninput={un_change}/>
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</label>
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<label>{ "Admin:" }
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<input type="checkbox" checked={*is_admin} onchange={admin_change}/>
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</label>
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<label>{ "Password:" }
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<input type="password" value={(*pwd).clone()} oninput={pwd_change}/>
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</label>
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<button type="submit">{ "Bestätigen" }</button>
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</form>
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</div>
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}
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}
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/// A component providing a form for user login.
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///
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/// This component handles user authentication by collecting a username and password,
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/// then sending these credentials to the backend `/api/login` endpoint. It manages
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/// UI states for loading, errors, and success, and redirects to the home page on successful login.
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///
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/// # State
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/// Uses `use_state` hooks to manage:
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/// - `username`, `pwd`: Values of the login form input fields.
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/// - `loading`: A boolean to indicate if the login process is ongoing.
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/// - `error`: A string to display any login error messages.
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/// - `success`: A boolean to indicate if login was successful.
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///
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/// # Form Submission
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/// - Prevents default form submission behavior.
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/// - Constructs a `LoginScheme` payload from the input fields.
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/// - Sends a POST request to `/api/login`.
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/// - On successful response (HTTP 200), sets `success` to true and redirects to `crate::Route::Home`.
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/// - On error, updates the `error` state with the appropriate message.
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///
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/// # Example
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/// ```rust
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/// html! {
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/// <Login />
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/// }
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/// ```
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#[component(Login)]
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pub fn login_component() -> Html {
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let username = use_state(|| "".to_string());
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let pwd = use_state(|| "".to_string());
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let loading = use_state(|| false);
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let error = use_state(|| String::new());
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let success = use_state(|| false);
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let navigator = use_navigator().unwrap();
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let onsubmit = {
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let username = username.clone();
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let pwd = pwd.clone();
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let loading = loading.clone();
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let error = error.clone();
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let success = success.clone();
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let navigator = navigator.clone();
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Callback::from(move |e: SubmitEvent| {
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e.prevent_default();
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let username = (*username).clone();
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let pwd = (*pwd).clone();
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let loading = loading.clone();
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let error = error.clone();
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let success = success.clone();
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let navigator = navigator.clone();
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loading.set(true);
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error.set(String::new());
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success.set(false);
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spawn_local(async move {
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let payload = LoginScheme { username, pwd };
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let response = Request::post("/api/login")
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.header("Content-Type", "application/json")
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.credentials(web_sys::RequestCredentials::Include)
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.json(&payload)
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.unwrap()
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.send()
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.await;
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loading.set(false);
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match response {
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Ok(r) if r.status() == 200 => {
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success.set(true);
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navigator.push(&crate::Route::Home);
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}
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Ok(r) => {
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let text = r.text().await.unwrap_or_else(|_| "unknown".into());
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error.set(format!("HTTP {}: {}", r.status(), text));
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}
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Err(err) => error.set(format!("Network error: {}", err)),
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}
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});
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})
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};
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html! {
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<main class="content">
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<div class="form-container">
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<div class="page-header">
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<h1>{ "Login" }</h1>
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</div>
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<form {onsubmit}>
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<input
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placeholder="username"
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value={(*username).clone()}
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oninput={Callback::from(move |e: InputEvent| {
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let input: web_sys::HtmlInputElement = e.target_unchecked_into();
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username.set(input.value());
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})}
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/>
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<input
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type="password"
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placeholder="password"
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value={(*pwd).clone()}
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oninput={Callback::from(move |e: InputEvent| {
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let input: web_sys::HtmlInputElement = e.target_unchecked_into();
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pwd.set(input.value());
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})}
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/>
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<button type="submit" disabled={*loading}>{ if *loading { "Logging in..." } else { "Login" } }</button>
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if !error.is_empty() { <p class="alert error">{(*error).clone()}</p> }
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</form>
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</div>
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</main>
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}
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}
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/// A component for fetching and displaying a list of all registered users.
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///
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/// This component retrieves a list of `FilteredUser` entities from the backend
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/// via the `/api/users` endpoint and displays them. Each user entry includes a
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/// link to view their individual details through `UserByID`.
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///
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/// # State
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/// Uses `use_state` hooks to manage:
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/// - `users`: A vector of `FilteredUser` structs to store the fetched user data.
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/// - `error`: Any error message encountered during API calls.
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/// - `loading`: A boolean indicating if user data is currently being fetched.
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///
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/// # Functionality
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/// - **Data Fetching**: On component mount, fetches all users from `/api/users`.
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/// - **Conditional Display**:
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/// - If `loading` is true, displays "Loading...".
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/// - If an `error` occurs, displays the error message.
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/// - Otherwise, renders an unordered list of users.
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/// - **Navigation**: Each user in the list is a link to [`crate::Route::UserByID`]
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/// for viewing individual user details.
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///
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/// # Example
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/// ```rust
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/// html! {
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/// <AllUsers />
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/// }
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/// ```
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#[component(AllUsers)]
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pub fn all_users_component() -> Html {
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let users = use_state(|| Vec::<FilteredUser>::new());
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let error = use_state(|| None::<String>);
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let loading = use_state(|| false);
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{
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let users = users.clone();
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let error = error.clone();
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let loading = loading.clone();
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use_effect_with((), move |_| {
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loading.set(true);
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spawn_local(async move {
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let url = format!("/api/users");
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match Request::get(&url).send().await {
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Ok(response) if response.status() == 200 => {
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match response.json::<Vec<FilteredUser>>().await {
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Ok(u) => users.set(u),
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Err(err) => error.set(Some(format!("Parse error: {}", err))),
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}
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}
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Ok(response) => {
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if let Ok(text) = response.text().await {
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error.set(Some(text));
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} else {
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error.set(Some(format!("status {}", response.status())));
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}
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}
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Err(err) => error.set(Some(format!("Network error: {}", err))),
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}
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loading.set(false);
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});
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|| ()
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});
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}
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if *loading {
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html! {
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<div class="form-container">
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<div class="page-header">
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<h1>{ "All Users" }</h1>
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</div>
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<p>{ "Loading..." }</p>
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</div>
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}
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} else if let Some(e) = &*error {
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html! {
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<div class="form-container">
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<div class="page-header">
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<h1>{ "All Users" }</h1>
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</div>
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<p class="alert error">{ format!("Error: {}", e) }</p>
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</div>
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}
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} else {
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html! {
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<div class="form-container">
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<div class="page-header">
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<h1>{ "All Users" }</h1>
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</div>
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<ul class="user-list">
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{ for users.iter().map(|t| html! {
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<li key={t.id.to_string()}>
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<Link<crate::Route> to={crate::Route::UserByID{id: t.id}}><h3>{ format!("{} {}", t.first_name, t.last_name) }</h3></Link<crate::Route>>
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</li>
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})}
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</ul>
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</div>
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}
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}
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}
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|
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/// A component for displaying, updating, and deleting a single user by their ID.
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///
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/// This component fetches a specific user's details from the backend based on the
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/// `id` provided in its `UserProps`. It allows administrators to view, modify
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/// (first name, last name, username, admin status, and password), and delete user accounts.
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///
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/// # Props
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/// - `id`: The `i16` ID of the user to fetch and display.
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///
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/// # State
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/// Uses `use_state` hooks to manage:
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/// - `user`: The fetched [`FilteredUser`] data, if available.
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/// - `error`: Any error message encountered during initial user data fetching.
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/// - `loading`: A boolean indicating if initial user data is being fetched.
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/// - `first_name`, `last_name`, `username`, `make_admin`, `new_pwd`:
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/// States for the update form fields, pre-filled with current user data.
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/// - `saving`, `save_error`, `save_success`: States for the user update operation.
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/// - `deleting`, `delete_error`: States for the user deletion operation.
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///
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/// # Functionality
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/// - **Initial Data Fetching**: On component mount or `id` change, fetches user data from
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/// `/api/users/:id`.
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/// - **Form Initialization**: Populates the update form fields with the fetched user's
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/// current details once loaded.
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/// - **User Update**: The update form sends a PATCH request to `/api/users/:id` with a
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/// `UserUpdateScheme` payload. On success, updates the displayed user data and shows a
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/// success message.
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/// - **User Deletion**: Includes a "Delete" button that, after user confirmation, sends
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/// a DELETE request to `/api/users/:id`. On success, clears the user from display.
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/// - **Error Handling**: Displays error messages for various API and network issues.
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///
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/// # Example
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/// ```rust
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/// html! {
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/// <UserByID id={42} />
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/// }
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/// ```
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#[component(UserByID)]
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pub fn user_by_id_component(props: &UserProps) -> Html {
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let user = use_state(|| None::<FilteredUser>);
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let error = use_state(|| None::<String>);
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let loading = use_state(|| false);
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let id = props.id;
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{
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let user = user.clone();
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let error = error.clone();
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let loading = loading.clone();
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use_effect_with(id, move |id_ref| {
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loading.set(true);
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let user = user.clone();
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let error = error.clone();
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let id = *id_ref;
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spawn_local(async move {
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let url = format!("/api/users/{}", id);
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match Request::get(&url).send().await {
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Ok(response) => {
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let status = response.status();
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if status == 200 {
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match response.json::<FilteredUser>().await {
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Ok(u) => user.set(Some(u)),
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Err(err) => error.set(Some(format!("Parse error: {}", err))),
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}
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} else {
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match response.json::<ApiError>().await {
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Ok(ae) => error.set(Some(ae.message)),
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Err(_) => {
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if let Ok(text) = response.text().await {
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error.set(Some(text));
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} else {
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error.set(Some(format!("Server error: {}", status)));
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}
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}
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}
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}
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}
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Err(err) => error.set(Some(format!("Network error: {}", err))),
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}
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loading.set(false);
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});
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|| ()
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});
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}
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let first_name = use_state(|| "".to_string());
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let last_name = use_state(|| "".to_string());
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let username = use_state(|| "".to_string());
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let make_admin = use_state(|| false);
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let new_pwd = use_state(|| String::new());
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let saving = use_state(|| false);
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let save_error = use_state(|| None::<String>);
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let save_success = use_state(|| false);
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{
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let user = user.clone();
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let first_name = first_name.clone();
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let last_name = last_name.clone();
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let username = username.clone();
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let make_admin = make_admin.clone();
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use_effect_with(user, move |user_ref| {
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if let Some(u) = &**user_ref {
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first_name.set(u.first_name.clone());
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last_name.set(u.last_name.clone());
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username.set(u.username.clone());
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make_admin.set(u.is_admin);
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}
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|| ()
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});
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}
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let onsubmit = {
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let first_name = first_name.clone();
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let last_name = last_name.clone();
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let username = username.clone();
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let make_admin = make_admin.clone();
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let new_pwd = new_pwd.clone();
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let saving = saving.clone();
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let save_error = save_error.clone();
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let save_success = save_success.clone();
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let user_state = user.clone();
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Callback::from(move |e: SubmitEvent| {
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e.prevent_default();
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let first_name = (*first_name).clone();
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let last_name = (*last_name).clone();
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let username = (*username).clone();
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let make_admin = *make_admin;
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let new_pwd = (*new_pwd).clone();
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saving.set(true);
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save_error.set(None);
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save_success.set(false);
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let saving = saving.clone();
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let save_error = save_error.clone();
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let save_success = save_success.clone();
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let user_state = user_state.clone();
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let id = id;
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spawn_local(async move {
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let payload = UserUpdateScheme {
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id: id,
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first_name,
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last_name,
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username,
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make_admin,
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new_pwd,
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};
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let url = format!("/api/users/{}", id);
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let request = Request::patch(&url)
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.header("Content-Type", "application/json")
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.credentials(web_sys::RequestCredentials::Include)
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.json(&payload)
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.expect("Failed to construct Request");
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match request.send().await {
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Ok(resp) if resp.status() == 200 => {
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if let Ok(updated) = resp.json::<FilteredUser>().await {
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user_state.set(Some(updated));
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}
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save_success.set(true);
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}
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Ok(resp) => {
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let txt = resp.text().await.unwrap_or_else(|_| "Unknown".into());
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save_error.set(Some(format!("HTTP {}: {}", resp.status(), txt)));
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}
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Err(err) => save_error.set(Some(format!("Network error: {}", err))),
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}
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saving.set(false);
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});
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})
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};
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let deleting = use_state(|| false);
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let delete_error = use_state(|| None::<String>);
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let ondelete = {
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let deleting = deleting.clone();
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let delete_error = delete_error.clone();
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let user_state = user.clone(); // or ticket
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let id = id;
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Callback::from(move |e: MouseEvent| {
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e.prevent_default();
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// confirm
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if !web_sys::window()
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.and_then(|w| {
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w.confirm_with_message("Are you sure you want to delete this item?")
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.ok()
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})
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.unwrap_or(false)
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{
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return;
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}
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deleting.set(true);
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delete_error.set(None);
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let deleting = deleting.clone();
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let delete_error = delete_error.clone();
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let user_state = user_state.clone();
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spawn_local(async move {
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let url = format!("/api/users/{}", id); // or /api/tickets/{}
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let req = Request::delete(&url).credentials(web_sys::RequestCredentials::Include);
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match req.send().await {
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Ok(resp) if resp.status() == 200 || resp.status() == 204 => {
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// remove local state or navigate away
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user_state.set(None); // clears the shown item
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}
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Ok(resp) => {
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let txt = resp.text().await.unwrap_or_else(|_| "Unknown".into());
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delete_error.set(Some(format!("HTTP {}: {}", resp.status(), txt)));
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}
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Err(err) => delete_error.set(Some(format!("Network error: {}", err))),
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}
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deleting.set(false);
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});
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})
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};
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if *loading {
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html! {<p>{ "Loading" }</p>}
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} else if let Some(e) = &*error {
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html! { <p>{ format!("Error: {}", e) }</p> }
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} else if let Some(u) = &*user {
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html! {
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<div>
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<div>
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<p><strong>{ "Vorname: " }</strong>{ &u.first_name }</p>
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<p><strong>{ "Nachname: " }</strong>{ &u.last_name }</p>
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<p><strong>{ "Benutzername: " }</strong>{ &u.username }</p>
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<p><strong>{ "Ist Admin: " }</strong>{ u.is_admin }</p>
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</div>
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<h1>{ format!("User #{}", u.id) }</h1>
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<form onsubmit={onsubmit}>
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<div>
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<label>{ "Vorname" }
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<input name="first_name"
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value={(*first_name).clone()}
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oninput={Callback::from(move |e: InputEvent| {
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let input: web_sys::HtmlInputElement = e.target_unchecked_into();
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first_name.set(input.value());
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})}
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/>
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</label>
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</div>
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<div>
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<label>{ "Nachname" }
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<input name="last_name"
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value={(*last_name).clone()}
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oninput={Callback::from(move |e: InputEvent| {
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let input: web_sys::HtmlInputElement = e.target_unchecked_into();
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last_name.set(input.value());
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})}
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/>
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</label>
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</div>
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<div>
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<label>{ "Benutzername" }
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<input name="username"
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value={(*username).clone()}
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oninput={Callback::from(move |e: InputEvent| {
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let input: web_sys::HtmlInputElement = e.target_unchecked_into();
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username.set(input.value());
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})}
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/>
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</label>
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</div>
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<div>
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<label>{ "Ist Admin" }
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<input type="checkbox" name="make_admin" checked={*make_admin} onchange={Callback::from(move |e: Event| {
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let input: web_sys::HtmlInputElement = e.target_unchecked_into();
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make_admin.set(input.checked());
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})}/>
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</label>
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</div>
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<div>
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<label>{ "Neues Passwort (leer = unchanged)" }
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<input name="new_pwd" type="password"
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value={(*new_pwd).clone()}
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oninput={Callback::from(move |e: InputEvent| {
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let input: web_sys::HtmlInputElement = e.target_unchecked_into();
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new_pwd.set(input.value());
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})}
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/>
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</label>
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</div>
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<button type="submit" disabled={*saving}>{ if *saving { "Speichern..." } else { "Speichern" } }</button>
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if *save_success {
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<p style="color:green">{ "Updated successfully" }</p>
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}
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if let Some(err) = &*save_error {
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<p style="color:red">{ err.clone() }</p>
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}
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</form>
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<button onclick={ondelete} disabled={*deleting}>
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{if *deleting {"Löschen..."} else {"Löschen"}}
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</button>
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<Link<crate::Route> to={crate::Route::AllUsers}>{ "Zurück zur Benutzerübersicht" }</Link<crate::Route>>
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if let Some(err) = &*delete_error {
|
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<p style="color:red">{ err.clone() }</p>
|
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}
|
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</div>
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}
|
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} else {
|
|
html! { <p>{ "No ticket found." }</p> }
|
|
}
|
|
}
|