986 lines
30 KiB
Rust
986 lines
30 KiB
Rust
use std::future::Future;
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use std::sync::Arc;
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use std::time::Duration;
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use axum::{
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Router,
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extract::{
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Form, FromRequest, FromRequestParts, Path, Query, Request, State,
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ws::{Message, WebSocket, WebSocketUpgrade},
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},
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http::{HeaderMap, HeaderValue, StatusCode, header, request::Parts},
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middleware::{self, Next},
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response::{Html, IntoResponse, Redirect, Response},
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routing::{get, post},
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};
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use futures_util::{SinkExt, StreamExt};
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use serde::{Deserialize, de::DeserializeOwned};
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use thiserror::Error;
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use tower_http::{
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services::ServeDir,
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set_header::SetResponseHeaderLayer,
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trace::TraceLayer,
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};
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use tracing::{error, warn};
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use crate::domain::{DomainError, SessionUser};
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use crate::ports::{HubEvent, RealtimeNotifier};
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use crate::services::{AuthService, InvitationService, ListService, MealService};
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use crate::views;
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#[derive(Clone)]
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pub struct AppState {
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pub auth: Arc<AuthService>,
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pub lists: Arc<ListService>,
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pub meals: Arc<MealService>,
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pub invitations: Arc<InvitationService>,
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pub realtime: Arc<dyn RealtimeNotifier>,
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pub cookie_secure: bool,
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pub public_base_url: String,
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}
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#[derive(Debug, Error)]
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pub enum AppError {
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#[error("database error")]
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Database(#[from] DomainError),
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#[error("bad request: {0}")]
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BadRequest(String),
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#[error("not found")]
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NotFound,
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}
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impl IntoResponse for AppError {
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fn into_response(self) -> Response {
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match self {
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AppError::Database(_) => status_html_response(
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StatusCode::INTERNAL_SERVER_ERROR,
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views::error_page("500", "Something went wrong."),
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),
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AppError::BadRequest(message) => {
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status_html_response(StatusCode::BAD_REQUEST, views::error_page("400", &message))
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}
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AppError::NotFound => status_html_response(
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StatusCode::NOT_FOUND,
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views::error_page("404", "That page could not be found."),
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),
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}
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}
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}
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pub fn build_router(state: AppState) -> Router {
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Router::new()
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.route("/", get(home))
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.route("/login", get(login_page).post(login))
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.route("/register", get(register_page).post(register))
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.route("/logout", post(logout))
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.route("/lists", get(lists_page).post(create_list))
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.route("/lists/{list_id}", get(list_page))
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.route("/lists/{list_id}/items", post(add_item))
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.route("/lists/{list_id}/items/{item_id}/check", post(check_item))
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.route("/lists/{list_id}/items/{item_id}/edit", post(edit_item))
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.route("/lists/{list_id}/items/{item_id}/delete", post(delete_item))
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.route("/categories", post(create_category))
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.route("/invitations", post(create_invitation))
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.route("/meals", get(meals_page).post(create_meal))
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.route("/meals/new", get(new_meal_page))
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.route("/meals/{meal_id}", get(meal_page))
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.route("/meals/{meal_id}/edit", post(edit_meal))
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.route("/meals/{meal_id}/delete", post(delete_meal))
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.route("/meals/{meal_id}/ingredients", post(add_ingredient))
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.route("/meals/{meal_id}/ingredients/{ingredient_id}/edit", post(edit_ingredient))
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.route("/meals/{meal_id}/ingredients/{ingredient_id}/delete", post(delete_ingredient))
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.route("/lists/{list_id}/add-meal", post(add_meal_to_list))
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.route("/lists/{list_id}/stream", get(list_stream))
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.route("/invite/{token}", get(invitation_page))
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.route("/invite/{token}/accept", post(accept_invitation))
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.nest_service(
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"/static",
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tower::ServiceBuilder::new()
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.layer(SetResponseHeaderLayer::overriding(
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header::CACHE_CONTROL,
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HeaderValue::from_static("public, max-age=0, must-revalidate"),
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))
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.service(ServeDir::new("static")),
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)
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.layer(TraceLayer::new_for_http())
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.layer(middleware::from_fn(log_response_status))
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.with_state(state)
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}
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#[derive(Clone)]
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struct CurrentUser {
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session_token: String,
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session: SessionUser,
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}
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impl FromRequestParts<AppState> for CurrentUser {
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type Rejection = Response;
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fn from_request_parts(
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parts: &mut Parts,
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state: &AppState,
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) -> impl Future<Output = Result<Self, Self::Rejection>> + Send {
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let session_token = cookie_value(&parts.headers, "session");
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let auth = Arc::clone(&state.auth);
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async move {
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let Some(session_token) = session_token else {
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return Err(Redirect::to("/login").into_response());
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};
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match auth.session_user(session_token.clone()).await {
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Ok(Some(session)) => Ok(Self {
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session_token,
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session,
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}),
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Ok(None) => Err(Redirect::to("/login").into_response()),
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Err(error) => Err(AppError::Database(error).into_response()),
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}
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}
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}
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}
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struct LoggedForm<T>(T);
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impl<S, T> FromRequest<S> for LoggedForm<T>
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where
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S: Send + Sync,
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T: DeserializeOwned + Send,
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{
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type Rejection = Response;
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fn from_request(
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request: Request,
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state: &S,
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) -> impl Future<Output = Result<Self, Self::Rejection>> + Send {
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let method = request.method().clone();
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let uri = request.uri().clone();
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async move {
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match Form::<T>::from_request(request, state).await {
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Ok(Form(value)) => Ok(Self(value)),
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Err(rejection) => {
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warn!(
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%method,
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%uri,
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rejection = ?rejection,
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"request form deserialization failed"
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);
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Err(rejection.into_response())
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}
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}
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}
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}
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}
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#[derive(Debug, Deserialize)]
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struct InviteQuery {
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invite: Option<String>,
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}
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#[derive(Debug, Deserialize)]
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struct RegisterForm {
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display_name: String,
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email: String,
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password: String,
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invite: Option<String>,
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}
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#[derive(Debug, Deserialize)]
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struct LoginForm {
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email: String,
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password: String,
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invite: Option<String>,
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}
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#[derive(Debug, Deserialize)]
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struct CreateListForm {
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name: String,
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csrf: String,
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}
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#[derive(Debug, Deserialize)]
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struct ItemForm {
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name: String,
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quantity: String,
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#[serde(default)]
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note: String,
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#[serde(default)]
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category_id: Option<String>,
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csrf: String,
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}
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#[derive(Debug, Deserialize)]
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struct CheckForm {
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checked: String,
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csrf: String,
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}
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#[derive(Debug, Deserialize)]
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struct CsrfForm {
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csrf: String,
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}
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#[derive(Debug, Deserialize)]
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struct CategoryForm {
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name: String,
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csrf: String,
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}
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#[derive(Debug, Deserialize)]
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struct MealForm {
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name: String,
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#[serde(default)]
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description: String,
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csrf: String,
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}
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#[derive(Debug, Deserialize)]
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struct IngredientForm {
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name: String,
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#[serde(default)]
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quantity: String,
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#[serde(default)]
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note: String,
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#[serde(default)]
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category_id: Option<String>,
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csrf: String,
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}
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#[derive(Debug, Deserialize)]
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struct AddMealForm {
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meal_id: i64,
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csrf: String,
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}
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#[derive(Debug, Deserialize)]
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struct MealPickerQuery {
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picker: Option<i64>,
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}
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async fn home() -> Redirect {
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Redirect::to("/lists")
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}
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async fn log_response_status(request: Request, next: Next) -> Response {
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let method = request.method().clone();
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let uri = request.uri().clone();
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let response = next.run(request).await;
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let status = response.status();
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if status.is_server_error() {
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error!(%method, %uri, %status, "request returned server error");
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} else if status.is_client_error() {
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warn!(%method, %uri, %status, "request returned client error");
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}
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response
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}
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async fn login_page(Query(query): Query<InviteQuery>) -> Result<Response, AppError> {
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Ok(html_response(views::login_page(
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None,
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query.invite.as_deref(),
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)))
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}
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async fn register_page(
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State(state): State<AppState>,
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Query(query): Query<InviteQuery>,
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) -> Result<Response, AppError> {
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if state.auth.can_register(query.invite.as_deref()).await? {
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Ok(html_response(views::register_page(
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None,
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query.invite.as_deref(),
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)))
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} else {
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Ok(status_html_response(
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StatusCode::FORBIDDEN,
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views::registration_closed_page(),
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))
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}
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}
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async fn register(
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State(state): State<AppState>,
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LoggedForm(form): LoggedForm<RegisterForm>,
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) -> Result<Response, AppError> {
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if !state.auth.can_register(form.invite.as_deref()).await? {
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return Ok(status_html_response(
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StatusCode::FORBIDDEN,
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views::registration_closed_page(),
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));
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}
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let display_name = form.display_name.trim().to_owned();
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let email = form.email.trim().to_lowercase();
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if display_name.is_empty() || display_name.chars().count() > 50 {
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return Ok(html_response(views::register_page(
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Some("Enter a name between 1 and 50 characters."),
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form.invite.as_deref(),
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)));
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}
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if !email.contains('@') || email.len() > 200 {
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return Ok(html_response(views::register_page(
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Some("Enter a valid email address."),
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form.invite.as_deref(),
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)));
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}
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let (_user, session_token) = match state
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.auth
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.register(display_name, email, form.password, form.invite.as_deref())
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.await
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{
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Ok(result) => result,
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Err(DomainError::Conflict) => {
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return Ok(html_response(views::register_page(
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Some("An account with that email already exists."),
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form.invite.as_deref(),
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)));
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}
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Err(error) => return Err(AppError::Database(error)),
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};
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let destination = form
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.invite
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.filter(|invite| !invite.is_empty())
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.map(|invite| format!("/invite/{invite}"))
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.unwrap_or_else(|| "/lists".into());
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let mut response = Redirect::to(&destination).into_response();
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set_session_cookie(&mut response, &session_token, state.cookie_secure);
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Ok(response)
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}
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async fn login(
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State(state): State<AppState>,
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LoggedForm(form): LoggedForm<LoginForm>,
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) -> Result<Response, AppError> {
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let email = form.email.trim().to_lowercase();
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let result = state.auth.login(email, form.password).await?;
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let Some((_user, session_token)) = result else {
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return Ok(html_response(views::login_page(
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Some("Email or password is incorrect."),
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form.invite.as_deref(),
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)));
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};
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let destination = form
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.invite
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.filter(|invite| !invite.is_empty())
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.map(|invite| format!("/invite/{invite}"))
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.unwrap_or_else(|| "/lists".into());
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let mut response = Redirect::to(&destination).into_response();
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set_session_cookie(&mut response, &session_token, state.cookie_secure);
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Ok(response)
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}
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async fn logout(State(state): State<AppState>, user: CurrentUser) -> Result<Response, AppError> {
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state.auth.logout(user.session_token).await?;
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let mut response = Redirect::to("/login").into_response();
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clear_session_cookie(&mut response, state.cookie_secure);
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Ok(response)
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}
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async fn lists_page(
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State(state): State<AppState>,
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user: CurrentUser,
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) -> Result<Response, AppError> {
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let lists = state.lists.list_summaries().await?;
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Ok(html_response(views::lists_page(
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&user.session.user,
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&lists,
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&user.session.csrf_token,
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)))
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}
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async fn create_list(
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State(state): State<AppState>,
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user: CurrentUser,
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LoggedForm(form): LoggedForm<CreateListForm>,
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) -> Result<Response, AppError> {
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verify_csrf(&user, &form.csrf)?;
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let name = form.name.trim().to_owned();
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if name.is_empty() || name.chars().count() > 80 {
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return Err(AppError::BadRequest(
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"List names must be between 1 and 80 characters.".into(),
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));
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}
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let list = state.lists.create_list(name).await?;
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Ok(Redirect::to(&format!("/lists/{}", list.id)).into_response())
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}
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async fn list_page(
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State(state): State<AppState>,
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user: CurrentUser,
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Path(list_id): Path<i64>,
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) -> Result<Response, AppError> {
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let access = require_list(&state, list_id).await?;
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let items = state.lists.items(list_id).await?;
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let categories = state.lists.categories().await?;
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let presence = state.realtime.presence(list_id).await;
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Ok(html_response(views::list_page(
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&user.session.user,
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&access,
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&items,
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&categories,
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&presence,
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&user.session.csrf_token,
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)))
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}
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|
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async fn add_item(
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State(state): State<AppState>,
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user: CurrentUser,
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Path(list_id): Path<i64>,
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LoggedForm(form): LoggedForm<ItemForm>,
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) -> Result<Response, AppError> {
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verify_csrf(&user, &form.csrf)?;
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require_list(&state, list_id).await?;
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let name = form.name.trim().to_owned();
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let quantity = form.quantity.trim().to_owned();
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let note = form.note.trim().to_owned();
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let category_id = parse_category_id(form.category_id);
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if name.is_empty() || name.chars().count() > 120 {
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return Err(AppError::BadRequest(
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"Item names must be between 1 and 120 characters.".into(),
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));
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}
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state
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.lists
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.add_item(list_id, name, quantity, note, category_id)
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.await?;
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list_fragment_response(&state, &user, list_id).await
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}
|
|
|
|
async fn check_item(
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State(state): State<AppState>,
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user: CurrentUser,
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Path((list_id, item_id)): Path<(i64, i64)>,
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LoggedForm(form): LoggedForm<CheckForm>,
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|
) -> Result<Response, AppError> {
|
|
verify_csrf(&user, &form.csrf)?;
|
|
require_list(&state, list_id).await?;
|
|
let checked = match form.checked.as_str() {
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"1" | "true" => true,
|
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"0" | "false" => false,
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_ => return Err(AppError::BadRequest("Invalid checked value.".into())),
|
|
};
|
|
state
|
|
.lists
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|
.set_item_checked(list_id, item_id, checked)
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.await?;
|
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list_fragment_response(&state, &user, list_id).await
|
|
}
|
|
|
|
async fn edit_item(
|
|
State(state): State<AppState>,
|
|
user: CurrentUser,
|
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Path((list_id, item_id)): Path<(i64, i64)>,
|
|
LoggedForm(form): LoggedForm<ItemForm>,
|
|
) -> Result<Response, AppError> {
|
|
verify_csrf(&user, &form.csrf)?;
|
|
require_list(&state, list_id).await?;
|
|
let name = form.name.trim().to_owned();
|
|
if name.is_empty() || name.chars().count() > 120 {
|
|
return Err(AppError::BadRequest(
|
|
"Item names must be between 1 and 120 characters.".into(),
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));
|
|
}
|
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state
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|
.lists
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.update_item(
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list_id,
|
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item_id,
|
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name,
|
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form.quantity.trim().to_owned(),
|
|
form.note.trim().to_owned(),
|
|
parse_category_id(form.category_id),
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)
|
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.await?;
|
|
list_fragment_response(&state, &user, list_id).await
|
|
}
|
|
|
|
async fn delete_item(
|
|
State(state): State<AppState>,
|
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user: CurrentUser,
|
|
Path((list_id, item_id)): Path<(i64, i64)>,
|
|
LoggedForm(form): LoggedForm<CsrfForm>,
|
|
) -> Result<Response, AppError> {
|
|
verify_csrf(&user, &form.csrf)?;
|
|
require_list(&state, list_id).await?;
|
|
state.lists.delete_item(list_id, item_id).await?;
|
|
list_fragment_response(&state, &user, list_id).await
|
|
}
|
|
|
|
async fn create_category(
|
|
State(state): State<AppState>,
|
|
user: CurrentUser,
|
|
LoggedForm(form): LoggedForm<CategoryForm>,
|
|
) -> Result<Response, AppError> {
|
|
verify_csrf(&user, &form.csrf)?;
|
|
let name = form.name.trim().to_owned();
|
|
if name.is_empty() || name.chars().count() > 60 {
|
|
return Err(AppError::BadRequest(
|
|
"Category names must be between 1 and 60 characters.".into(),
|
|
));
|
|
}
|
|
state.lists.create_category(name).await?;
|
|
Ok(Redirect::to("/lists").into_response())
|
|
}
|
|
|
|
async fn meals_page(
|
|
State(state): State<AppState>,
|
|
user: CurrentUser,
|
|
Query(query): Query<MealPickerQuery>,
|
|
) -> Result<Response, AppError> {
|
|
let meals = state.meals.list_meals().await?;
|
|
if let Some(list_id) = query.picker {
|
|
return Ok(html_response(views::meal_picker(
|
|
&meals,
|
|
list_id,
|
|
&user.session.csrf_token,
|
|
)));
|
|
}
|
|
Ok(html_response(views::meals_page(&user.session.user, &meals)))
|
|
}
|
|
|
|
async fn new_meal_page(user: CurrentUser) -> Result<Response, AppError> {
|
|
Ok(html_response(views::meal_form_page(
|
|
&user.session.user,
|
|
None,
|
|
&user.session.csrf_token,
|
|
)))
|
|
}
|
|
|
|
async fn create_meal(
|
|
State(state): State<AppState>,
|
|
user: CurrentUser,
|
|
LoggedForm(form): LoggedForm<MealForm>,
|
|
) -> Result<Response, AppError> {
|
|
verify_csrf(&user, &form.csrf)?;
|
|
let name = form.name.trim().to_owned();
|
|
if name.is_empty() || name.chars().count() > 120 {
|
|
return Err(AppError::BadRequest(
|
|
"Meal names must be between 1 and 120 characters.".into(),
|
|
));
|
|
}
|
|
let meal = state
|
|
.meals
|
|
.create_meal(name, form.description.trim().to_owned())
|
|
.await?;
|
|
Ok(Redirect::to(&format!("/meals/{}", meal.id)).into_response())
|
|
}
|
|
|
|
async fn meal_page(
|
|
State(state): State<AppState>,
|
|
user: CurrentUser,
|
|
Path(meal_id): Path<i64>,
|
|
) -> Result<Response, AppError> {
|
|
let meal = state
|
|
.meals
|
|
.get_meal(meal_id)
|
|
.await?
|
|
.ok_or(AppError::NotFound)?;
|
|
let categories = state.lists.categories().await?;
|
|
Ok(html_response(views::meal_page(
|
|
&user.session.user,
|
|
&meal,
|
|
&categories,
|
|
&user.session.csrf_token,
|
|
)))
|
|
}
|
|
|
|
async fn edit_meal(
|
|
State(state): State<AppState>,
|
|
user: CurrentUser,
|
|
Path(meal_id): Path<i64>,
|
|
LoggedForm(form): LoggedForm<MealForm>,
|
|
) -> Result<Response, AppError> {
|
|
verify_csrf(&user, &form.csrf)?;
|
|
let name = form.name.trim().to_owned();
|
|
if name.is_empty() || name.chars().count() > 120 {
|
|
return Err(AppError::BadRequest(
|
|
"Meal names must be between 1 and 120 characters.".into(),
|
|
));
|
|
}
|
|
state
|
|
.meals
|
|
.update_meal(meal_id, name, form.description.trim().to_owned())
|
|
.await?;
|
|
Ok(Redirect::to(&format!("/meals/{meal_id}")).into_response())
|
|
}
|
|
|
|
async fn delete_meal(
|
|
State(state): State<AppState>,
|
|
user: CurrentUser,
|
|
Path(meal_id): Path<i64>,
|
|
LoggedForm(form): LoggedForm<CsrfForm>,
|
|
) -> Result<Response, AppError> {
|
|
verify_csrf(&user, &form.csrf)?;
|
|
state.meals.delete_meal(meal_id).await?;
|
|
Ok(Redirect::to("/meals").into_response())
|
|
}
|
|
|
|
async fn add_ingredient(
|
|
State(state): State<AppState>,
|
|
user: CurrentUser,
|
|
Path(meal_id): Path<i64>,
|
|
LoggedForm(form): LoggedForm<IngredientForm>,
|
|
) -> Result<Response, AppError> {
|
|
verify_csrf(&user, &form.csrf)?;
|
|
let name = form.name.trim().to_owned();
|
|
if name.is_empty() || name.chars().count() > 120 {
|
|
return Err(AppError::BadRequest(
|
|
"Ingredient names must be between 1 and 120 characters.".into(),
|
|
));
|
|
}
|
|
state
|
|
.meals
|
|
.add_ingredient(
|
|
meal_id,
|
|
name,
|
|
form.quantity.trim().to_owned(),
|
|
form.note.trim().to_owned(),
|
|
parse_category_id(form.category_id),
|
|
)
|
|
.await?;
|
|
Ok(Redirect::to(&format!("/meals/{meal_id}")).into_response())
|
|
}
|
|
|
|
async fn edit_ingredient(
|
|
State(state): State<AppState>,
|
|
user: CurrentUser,
|
|
Path((meal_id, ingredient_id)): Path<(i64, i64)>,
|
|
LoggedForm(form): LoggedForm<IngredientForm>,
|
|
) -> Result<Response, AppError> {
|
|
verify_csrf(&user, &form.csrf)?;
|
|
let name = form.name.trim().to_owned();
|
|
if name.is_empty() || name.chars().count() > 120 {
|
|
return Err(AppError::BadRequest(
|
|
"Ingredient names must be between 1 and 120 characters.".into(),
|
|
));
|
|
}
|
|
state
|
|
.meals
|
|
.update_ingredient(
|
|
meal_id,
|
|
ingredient_id,
|
|
name,
|
|
form.quantity.trim().to_owned(),
|
|
form.note.trim().to_owned(),
|
|
parse_category_id(form.category_id),
|
|
)
|
|
.await?;
|
|
Ok(Redirect::to(&format!("/meals/{meal_id}")).into_response())
|
|
}
|
|
|
|
async fn delete_ingredient(
|
|
State(state): State<AppState>,
|
|
user: CurrentUser,
|
|
Path((meal_id, ingredient_id)): Path<(i64, i64)>,
|
|
LoggedForm(form): LoggedForm<CsrfForm>,
|
|
) -> Result<Response, AppError> {
|
|
verify_csrf(&user, &form.csrf)?;
|
|
state
|
|
.meals
|
|
.delete_ingredient(meal_id, ingredient_id)
|
|
.await?;
|
|
Ok(Redirect::to(&format!("/meals/{meal_id}")).into_response())
|
|
}
|
|
|
|
async fn add_meal_to_list(
|
|
State(state): State<AppState>,
|
|
user: CurrentUser,
|
|
Path(list_id): Path<i64>,
|
|
LoggedForm(form): LoggedForm<AddMealForm>,
|
|
) -> Result<Response, AppError> {
|
|
verify_csrf(&user, &form.csrf)?;
|
|
require_list(&state, list_id).await?;
|
|
state.meals.add_meal_to_list(form.meal_id, list_id).await?;
|
|
list_fragment_response(&state, &user, list_id).await
|
|
}
|
|
|
|
async fn create_invitation(
|
|
State(state): State<AppState>,
|
|
user: CurrentUser,
|
|
LoggedForm(form): LoggedForm<CsrfForm>,
|
|
) -> Result<Response, AppError> {
|
|
verify_csrf(&user, &form.csrf)?;
|
|
let token = state
|
|
.invitations
|
|
.create_invitation(user.session.user.id)
|
|
.await?;
|
|
let url = format!(
|
|
"{}/invite/{token}",
|
|
state.public_base_url.trim_end_matches('/')
|
|
);
|
|
Ok(html_response(views::invite_result(&url)))
|
|
}
|
|
|
|
async fn invitation_page(
|
|
State(state): State<AppState>,
|
|
Path(token): Path<String>,
|
|
headers: HeaderMap,
|
|
) -> Result<Response, AppError> {
|
|
let info = state.invitations.invitation(token.clone()).await?;
|
|
if !info {
|
|
return Err(AppError::NotFound);
|
|
}
|
|
let user = optional_user(&state, &headers).await?;
|
|
Ok(html_response(views::invite_page(
|
|
user.as_ref().map(|current| ¤t.session.user),
|
|
&token,
|
|
None,
|
|
user.as_ref()
|
|
.map(|current| current.session.csrf_token.as_str()),
|
|
)))
|
|
}
|
|
|
|
async fn accept_invitation(
|
|
State(state): State<AppState>,
|
|
user: CurrentUser,
|
|
Path(token): Path<String>,
|
|
LoggedForm(form): LoggedForm<CsrfForm>,
|
|
) -> Result<Response, AppError> {
|
|
verify_csrf(&user, &form.csrf)?;
|
|
state.invitations.accept_invitation(token).await?;
|
|
Ok(Redirect::to("/lists").into_response())
|
|
}
|
|
|
|
async fn list_stream(
|
|
State(state): State<AppState>,
|
|
user: CurrentUser,
|
|
Path(list_id): Path<i64>,
|
|
websocket: WebSocketUpgrade,
|
|
) -> Result<Response, AppError> {
|
|
require_list(&state, list_id).await?;
|
|
let state_for_socket = state.clone();
|
|
let user_for_socket = user.clone();
|
|
Ok(websocket
|
|
.on_upgrade(move |socket| handle_socket(state_for_socket, user_for_socket, list_id, socket))
|
|
.into_response())
|
|
}
|
|
|
|
async fn handle_socket(state: AppState, user: CurrentUser, list_id: i64, socket: WebSocket) {
|
|
let subscription = state
|
|
.realtime
|
|
.join(
|
|
list_id,
|
|
user.session.user.id,
|
|
user.session.user.display_name.clone(),
|
|
)
|
|
.await;
|
|
let connection_id = subscription.connection_id.clone();
|
|
let (mut sender, mut receiver) = socket.split();
|
|
let mut heartbeat = tokio::time::interval(Duration::from_secs(30));
|
|
heartbeat.tick().await;
|
|
|
|
match websocket_snapshot(&state, &user, list_id, &subscription.presence).await {
|
|
Ok(snapshot) => {
|
|
if sender.send(Message::Text(snapshot.into())).await.is_err() {
|
|
state.realtime.leave(list_id, &connection_id).await;
|
|
return;
|
|
}
|
|
}
|
|
Err(error) => {
|
|
error!(%error, "could not render websocket snapshot");
|
|
state.realtime.leave(list_id, &connection_id).await;
|
|
return;
|
|
}
|
|
}
|
|
|
|
let mut events = subscription.receiver;
|
|
loop {
|
|
tokio::select! {
|
|
event = events.recv() => {
|
|
match event {
|
|
Ok(HubEvent::ListChanged { list_id: event_list_id, revision }) if event_list_id == list_id => {
|
|
tracing::debug!(%list_id, revision, "list changed on websocket");
|
|
match websocket_list_update(&state, &user, list_id).await {
|
|
Ok(update) => {
|
|
if sender.send(Message::Text(update.into())).await.is_err() {
|
|
break;
|
|
}
|
|
}
|
|
Err(error) => {
|
|
error!(%error, "could not render websocket list update");
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
Ok(HubEvent::PresenceChanged { list_id: event_list_id }) if event_list_id == list_id => {
|
|
let presence = state.realtime.presence(list_id).await;
|
|
let update = views::presence_panel(&presence, true).into_string();
|
|
if sender.send(Message::Text(update.into())).await.is_err() {
|
|
break;
|
|
}
|
|
}
|
|
Err(tokio::sync::broadcast::error::RecvError::Lagged(_)) => {
|
|
match websocket_snapshot(&state, &user, list_id, &state.realtime.presence(list_id).await).await {
|
|
Ok(snapshot) => {
|
|
if sender.send(Message::Text(snapshot.into())).await.is_err() {
|
|
break;
|
|
}
|
|
}
|
|
Err(error) => {
|
|
error!(%error, "could not resync websocket");
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
Err(tokio::sync::broadcast::error::RecvError::Closed) => break,
|
|
Ok(_) => {}
|
|
}
|
|
}
|
|
_ = heartbeat.tick() => {
|
|
if sender.send(Message::Ping(Vec::new().into())).await.is_err() {
|
|
break;
|
|
}
|
|
}
|
|
incoming = receiver.next() => {
|
|
match incoming {
|
|
Some(Ok(Message::Ping(payload))) => {
|
|
if sender.send(Message::Pong(payload)).await.is_err() {
|
|
break;
|
|
}
|
|
}
|
|
Some(Ok(Message::Close(_))) | None => break,
|
|
Some(Ok(_)) => {}
|
|
Some(Err(_)) => break,
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
state.realtime.leave(list_id, &connection_id).await;
|
|
}
|
|
|
|
async fn websocket_snapshot(
|
|
state: &AppState,
|
|
user: &CurrentUser,
|
|
list_id: i64,
|
|
presence: &[crate::domain::PresenceUser],
|
|
) -> Result<String, AppError> {
|
|
let access = require_list(state, list_id).await?;
|
|
let items = state.lists.items(list_id).await?;
|
|
let categories = state.lists.categories().await?;
|
|
Ok(
|
|
views::live_list_fragments(&access, &items, &categories, &user.session.csrf_token)
|
|
.into_string()
|
|
+ &views::presence_panel(presence, true).into_string(),
|
|
)
|
|
}
|
|
|
|
async fn websocket_list_update(
|
|
state: &AppState,
|
|
user: &CurrentUser,
|
|
list_id: i64,
|
|
) -> Result<String, AppError> {
|
|
let access = require_list(state, list_id).await?;
|
|
let items = state.lists.items(list_id).await?;
|
|
let categories = state.lists.categories().await?;
|
|
Ok(
|
|
views::live_list_fragments(&access, &items, &categories, &user.session.csrf_token)
|
|
.into_string(),
|
|
)
|
|
}
|
|
|
|
async fn list_fragment_response(
|
|
state: &AppState,
|
|
user: &CurrentUser,
|
|
list_id: i64,
|
|
) -> Result<Response, AppError> {
|
|
let access = require_list(state, list_id).await?;
|
|
let items = state.lists.items(list_id).await?;
|
|
let categories = state.lists.categories().await?;
|
|
Ok(html_response(views::list_items_fragment(
|
|
&access,
|
|
&items,
|
|
&categories,
|
|
&user.session.csrf_token,
|
|
false,
|
|
)))
|
|
}
|
|
|
|
async fn require_list(
|
|
state: &AppState,
|
|
list_id: i64,
|
|
) -> Result<crate::domain::GroceryList, AppError> {
|
|
state
|
|
.lists
|
|
.get_list(list_id)
|
|
.await?
|
|
.ok_or(AppError::NotFound)
|
|
}
|
|
|
|
async fn optional_user(
|
|
state: &AppState,
|
|
headers: &HeaderMap,
|
|
) -> Result<Option<CurrentUser>, AppError> {
|
|
let Some(session_token) = cookie_value(headers, "session") else {
|
|
return Ok(None);
|
|
};
|
|
Ok(state
|
|
.auth
|
|
.session_user(session_token.clone())
|
|
.await?
|
|
.map(|session| CurrentUser {
|
|
session_token,
|
|
session,
|
|
}))
|
|
}
|
|
|
|
fn verify_csrf(user: &CurrentUser, token: &str) -> Result<(), AppError> {
|
|
if token.is_empty() || token != user.session.csrf_token {
|
|
return Err(AppError::BadRequest(
|
|
"Your form has expired. Refresh and try again.".into(),
|
|
));
|
|
}
|
|
Ok(())
|
|
}
|
|
|
|
fn parse_category_id(category_id: Option<String>) -> Option<i64> {
|
|
category_id
|
|
.filter(|category_id| !category_id.trim().is_empty())
|
|
.and_then(|category_id| category_id.trim().parse().ok())
|
|
}
|
|
|
|
fn html_response(markup: maud::Markup) -> Response {
|
|
Html(markup.into_string()).into_response()
|
|
}
|
|
|
|
fn status_html_response(status: StatusCode, markup: maud::Markup) -> Response {
|
|
(status, Html(markup.into_string())).into_response()
|
|
}
|
|
|
|
fn cookie_value(headers: &HeaderMap, name: &str) -> Option<String> {
|
|
headers
|
|
.get(header::COOKIE)?
|
|
.to_str()
|
|
.ok()?
|
|
.split(';')
|
|
.map(str::trim)
|
|
.find_map(|cookie| {
|
|
let (key, value) = cookie.split_once('=')?;
|
|
(key == name).then(|| value.to_owned())
|
|
})
|
|
}
|
|
|
|
fn set_session_cookie(response: &mut Response, token: &str, secure: bool) {
|
|
let secure_attribute = if secure { "; Secure" } else { "" };
|
|
let cookie = format!(
|
|
"session={token}; Path=/; HttpOnly; SameSite=Lax; Max-Age=2592000{secure_attribute}"
|
|
);
|
|
response.headers_mut().append(
|
|
header::SET_COOKIE,
|
|
HeaderValue::from_str(&cookie).expect("session cookie is valid"),
|
|
);
|
|
}
|
|
|
|
fn clear_session_cookie(response: &mut Response, secure: bool) {
|
|
let secure_attribute = if secure { "; Secure" } else { "" };
|
|
let cookie = format!("session=; Path=/; HttpOnly; SameSite=Lax; Max-Age=0{secure_attribute}");
|
|
response.headers_mut().append(
|
|
header::SET_COOKIE,
|
|
HeaderValue::from_str(&cookie).expect("session cookie is valid"),
|
|
);
|
|
}
|