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Fix infinite signal loop in shopping list

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This commit is contained in:
Jeremy Wall 2022-12-31 15:57:09 -06:00
parent 0167e6070d
commit 77cae25c74
2 changed files with 66 additions and 58 deletions
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27
web/src/app_state.rs
View File

@ -20,6 +20,7 @@ use sycamore::futures::spawn_local_scoped;
use sycamore::prelude::*;
use sycamore_state::{Handler, MessageMapper};
use tracing::{debug, error, info, instrument, warn};
use wasm_bindgen::throw_str;
use crate::api::HttpStore;
use crate::js_lib;
@ -27,7 +28,7 @@ use crate::js_lib;
#[derive(Debug, Clone, PartialEq)]
pub struct AppState {
pub recipe_counts: BTreeMap<String, usize>,
pub extras: BTreeSet<(String, String)>,
pub extras: Vec<(String, String)>,
pub staples: Option<Recipe>,
pub recipes: BTreeMap<String, Recipe>,
pub category_map: String,
@ -40,7 +41,7 @@ impl AppState {
pub fn new() -> Self {
Self {
recipe_counts: BTreeMap::new(),
extras: BTreeSet::new(),
extras: Vec::new(),
staples: None,
recipes: BTreeMap::new(),
category_map: String::new(),
@ -56,7 +57,8 @@ pub enum Message {
ResetRecipeCounts,
UpdateRecipeCount(String, usize),
AddExtra(String, String),
RemoveExtra(String, String),
RemoveExtra(usize),
UpdateExtra(usize, String, String),
SaveRecipe(RecipeEntry),
SetRecipe(String, Recipe),
// TODO(jwall): Remove this annotation when safe to do so.
@ -171,7 +173,7 @@ impl StateMachine {
Ok((filtered_ingredients, modified_amts, extra_items)) => {
state.modified_amts = modified_amts;
state.filtered_ingredients = filtered_ingredients;
state.extras = BTreeSet::from_iter(extra_items);
state.extras = extra_items;
}
Err(e) => {
error!("{:?}", e);
@ -198,11 +200,20 @@ impl MessageMapper<Message, AppState> for StateMachine {
original_copy.recipe_counts.insert(id, count);
}
Message::AddExtra(amt, name) => {
original_copy.extras.insert((amt, name));
original_copy.extras.push((amt, name));
}
Message::RemoveExtra(amt, name) => {
original_copy.extras.remove(&(amt, name));
Message::RemoveExtra(idx) => {
original_copy.extras.remove(idx);
}
Message::UpdateExtra(idx, amt, name) => match original_copy.extras.get_mut(idx) {
Some(extra) => {
extra.0 = amt;
extra.1 = name;
}
None => {
throw_str("Attempted to remove extra that didn't exist");
}
},
Message::SetStaples(staples) => {
original_copy.staples = staples;
}
@ -240,7 +251,7 @@ impl MessageMapper<Message, AppState> for StateMachine {
Message::ResetInventory => {
original_copy.filtered_ingredients = BTreeSet::new();
original_copy.modified_amts = BTreeMap::new();
original_copy.extras = BTreeSet::new();
original_copy.extras = Vec::new();
}
Message::AddFilteredIngredient(key) => {
original_copy.filtered_ingredients.insert(key);

63
web/src/components/shopping_list.rs
View File

@ -15,17 +15,20 @@ use std::collections::BTreeSet;
use recipes::{IngredientAccumulator, IngredientKey};
use sycamore::prelude::*;
use tracing::{info, instrument};
use tracing::{debug, info, instrument};
use crate::app_state::{Message, StateHandler};
#[instrument(skip_all)]
fn make_ingredients_rows<'ctx, G: Html>(
cx: Scope<'ctx>,
sh: StateHandler<'ctx>,
show_staples: &'ctx ReadSignal<bool>,
) -> View<G> {
debug!("Making ingredients rows");
let ingredients = sh.get_selector(cx, move |state| {
let state = state.get();
debug!("building ingredient list from state");
let mut acc = IngredientAccumulator::new();
for (id, count) in state.recipe_counts.iter() {
for _ in 0..(*count) {
@ -45,7 +48,7 @@ fn make_ingredients_rows<'ctx, G: Html>(
acc.ingredients()
.into_iter()
// First we filter out any filtered ingredients
.filter(|(i, _)| state.filtered_ingredients.contains(i))
.filter(|(i, _)| !state.filtered_ingredients.contains(i))
// Then we take into account our modified amts
.map(|(k, (i, rs))| {
if state.modified_amts.contains_key(&k) {
@ -89,9 +92,6 @@ fn make_ingredients_rows<'ctx, G: Html>(
};
let amt_signal = create_signal(cx, amt);
let k_clone = k.clone();
sh.bind_trigger(cx, &amt_signal, move |val| {
Message::UpdateAmt(k_clone.clone(), val.as_ref().clone())
});
let form = form.map(|form| format!("({})", form)).unwrap_or_default();
let recipes = rs
.iter()
@ -101,7 +101,9 @@ fn make_ingredients_rows<'ctx, G: Html>(
view! {cx,
tr {
td {
input(bind:value=amt_signal, type="text")
input(bind:value=amt_signal, type="text", on:change=move |_| {
sh.dispatch(cx, Message::UpdateAmt(k_clone.clone(), amt_signal.get_untracked().as_ref().clone()));
})
}
td {
input(type="button", class="no-print destructive", value="X", on:click={
@ -118,44 +120,38 @@ fn make_ingredients_rows<'ctx, G: Html>(
)
}
#[instrument(skip_all)]
fn make_extras_rows<'ctx, G: Html>(cx: Scope<'ctx>, sh: StateHandler<'ctx>) -> View<G> {
debug!("Making extras rows");
let extras_read_signal = sh.get_selector(cx, |state| {
state
.get()
.extras
.iter()
.cloned()
.collect::<Vec<(String, String)>>()
state.get().extras.iter().cloned().enumerate().collect()
});
view! {cx,
Indexed(
iterable=extras_read_signal,
view= move |cx, (amt, name)| {
view= move |cx, (idx, (amt, name))| {
let amt_signal = create_signal(cx, amt.clone());
let name_signal = create_signal(cx, name.clone());
create_effect(cx, {
let amt_clone = amt.clone();
let name_clone = name.clone();
move || {
let new_amt = amt_signal.get();
let new_name = name_signal.get();
sh.dispatch(cx, Message::RemoveExtra(amt_clone.clone(), name_clone.clone()));
sh.dispatch(cx, Message::AddExtra(new_amt.as_ref().clone(), new_name.as_ref().clone()));
}
});
view! {cx,
tr {
td {
input(bind:value=amt_signal, type="text")
input(bind:value=amt_signal, type="text", on:change=move |_| {
sh.dispatch(cx, Message::UpdateExtra(idx,
amt_signal.get_untracked().as_ref().clone(),
name_signal.get_untracked().as_ref().clone()));
})
}
td {
input(type="button", class="no-print destructive", value="X", on:click={
move |_| {
sh.dispatch(cx, Message::RemoveExtra(amt.clone(), name.clone()));
}})
input(type="button", class="no-print destructive", value="X", on:click=move |_| {
sh.dispatch(cx, Message::RemoveExtra(idx));
})
}
td {
input(bind:value=name_signal, type="text")
input(bind:value=name_signal, type="text", on:change=move |_| {
sh.dispatch(cx, Message::UpdateExtra(idx,
amt_signal.get_untracked().as_ref().clone(),
name_signal.get_untracked().as_ref().clone()));
})
}
td { "Misc" }
}
@ -170,8 +166,7 @@ fn make_shopping_table<'ctx, G: Html>(
sh: StateHandler<'ctx>,
show_staples: &'ctx ReadSignal<bool>,
) -> View<G> {
let extra_rows_view = make_extras_rows(cx, sh);
let ingredient_rows = make_ingredients_rows(cx, sh, show_staples);
debug!("Making shopping table");
view! {cx,
table(class="pad-top shopping-list page-breaker container-fluid", role="grid") {
tr {
@ -181,8 +176,8 @@ fn make_shopping_table<'ctx, G: Html>(
th { " Recipes " }
}
tbody {
(ingredient_rows)
(extra_rows_view)
(make_ingredients_rows(cx, sh, show_staples))
(make_extras_rows(cx, sh))
}
}
}
@ -198,9 +193,11 @@ pub fn ShoppingList<'ctx, G: Html>(cx: Scope<'ctx>, sh: StateHandler<'ctx>) -> V
input(id="show_staples_cb", type="checkbox", bind:checked=show_staples)
(make_shopping_table(cx, sh, show_staples))
input(type="button", value="Add Item", class="no-print", on:click=move |_| {
info!("Registering add item request for inventory");
sh.dispatch(cx, Message::AddExtra(String::new(), String::new()));
})
input(type="button", value="Reset", class="no-print", on:click=move |_| {
info!("Registering reset request for inventory");
sh.dispatch(cx, Message::ResetInventory);
})
input(type="button", value="Save", class="no-print", on:click=move |_| {