dioxus/examples/weather_app.rs
2024-02-14 13:56:26 -08:00

259 lines
9.4 KiB
Rust

#![allow(non_snake_case)]
use dioxus::prelude::*;
use serde::{Deserialize, Serialize};
fn main() {
launch(app);
}
fn app() -> Element {
let country = use_signal(|| WeatherLocation {
name: "Berlin".to_string(),
country: "Germany".to_string(),
latitude: 52.5244,
longitude: 13.4105,
id: 2950159,
});
let current_weather =
use_resource(move || async move { get_weather(&country.read().clone()).await });
rsx! {
link {
rel: "stylesheet",
href: "https://unpkg.com/tailwindcss@^2.0/dist/tailwind.min.css"
}
div { class: "mx-auto p-4 bg-gray-100 h-screen flex justify-center",
div { class: "flex items-center justify-center flex-row",
div { class: "flex items-start justify-center flex-row",
SearchBox { country: country }
div { class: "flex flex-wrap w-full px-2",
div { class: "bg-gray-900 text-white relative min-w-0 break-words rounded-lg overflow-hidden shadow-sm mb-4 w-full bg-white dark:bg-gray-600",
div { class: "px-6 py-6 relative",
if let Some(Ok(weather)) = current_weather.read().as_ref() {
CountryData {
country: country.read().clone(),
weather: weather.clone(),
}
Forecast {
weather: weather.clone(),
}
} else {
p {
"Loading.."
}
}
}
}
}
}
}
}
}
}
#[allow(non_snake_case)]
#[component]
fn CountryData(weather: WeatherResponse, country: WeatherLocation) -> Element {
let today = "Today";
let max_temp = weather.daily.temperature_2m_max.first().unwrap();
let min_temp = weather.daily.temperature_2m_min.first().unwrap();
rsx! {
div { class: "flex mb-4 justify-between items-center",
div {
h5 { class: "mb-0 font-medium text-xl", "{country.name} 🏞️" }
h6 { class: "mb-0", "{today}" }
}
div {
div { class: "flex items-center",
span { "Temp min" }
span { class: "px-2 inline-block", "👉 {min_temp}°" }
}
div { class: "flex items-center",
span { "Temp max" }
span { class: "px-2 inline-block ", "👉 {max_temp}º" }
}
}
}
}
}
#[allow(non_snake_case)]
#[component]
fn Forecast(weather: WeatherResponse) -> Element {
let today = (weather.daily.temperature_2m_max.first().unwrap()
+ weather.daily.temperature_2m_max.first().unwrap())
/ 2.0;
let tomorrow = (weather.daily.temperature_2m_max.get(1).unwrap()
+ weather.daily.temperature_2m_max.get(1).unwrap())
/ 2.0;
let past_tomorrow = (weather.daily.temperature_2m_max.get(2).unwrap()
+ weather.daily.temperature_2m_max.get(2).unwrap())
/ 2.0;
rsx! {
div { class: "px-6 pt-4 relative",
div { class: "w-full h-px bg-gray-100 mb-4" }
div { p { class: "text-center w-full mb-4", "👇 Forecast 📆" } }
div { class: "text-center justify-between items-center flex",
div { class: "text-center mb-0 flex items-center justify-center flex-col mx-4 w-16",
span { class: "block my-1", "Today" }
span { class: "block my-1", "{today}°" }
}
div { class: "text-center mb-0 flex items-center justify-center flex-col mx-8 w-16",
span { class: "block my-1", "Tomorrow" }
span { class: "block my-1", "{tomorrow}°" }
}
div { class: "text-center mb-0 flex items-center justify-center flex-col mx-2 w-30",
span { class: "block my-1", "Past Tomorrow" }
span { class: "block my-1", "{past_tomorrow}°" }
}
}
}
}
}
#[component]
fn SearchBox(mut country: Signal<WeatherLocation>) -> Element {
let mut input = use_signal(|| "".to_string());
let locations = use_resource(move || async move {
let current_location = input.read().clone();
get_locations(&current_location).await
});
rsx! {
div {
div { class: "inline-flex flex-col justify-center relative text-gray-500",
div { class: "relative",
input {
class: "p-2 pl-8 rounded-lg border border-gray-200 bg-gray-200 focus:bg-white focus:outline-none focus:ring-2 focus:ring-yellow-600 focus:border-transparent",
placeholder: "Country name",
"type": "text",
autofocus: true,
oninput: move |e| input.set(e.value())
}
svg {
class: "w-4 h-4 absolute left-2.5 top-3.5",
"viewBox": "0 0 24 24",
fill: "none",
stroke: "currentColor",
xmlns: "http://www.w3.org/2000/svg",
path {
d: "M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z",
"stroke-linejoin": "round",
"stroke-linecap": "round",
"stroke-width": "2"
}
}
}
ul { class: "bg-white border border-gray-100 w-full mt-2 max-h-72 overflow-auto",
{
if let Some(Ok(locs)) = locations.read().as_ref() {
rsx! {
{
locs.iter().cloned().map(move |wl| {
rsx! {
li { class: "pl-8 pr-2 py-1 border-b-2 border-gray-100 relative cursor-pointer hover:bg-yellow-50 hover:text-gray-900",
onclick: move |_| country.set(wl.clone()),
MapIcon {}
b {
"{wl.name}"
}
" · {wl.country}"
}
}
})
}
}
} else {
rsx! { "loading locations..." }
}
}
}
}
}
}
}
fn MapIcon() -> Element {
rsx! {
svg {
class: "stroke-current absolute w-4 h-4 left-2 top-2",
stroke: "currentColor",
xmlns: "http://www.w3.org/2000/svg",
"viewBox": "0 0 24 24",
fill: "none",
path {
"stroke-linejoin": "round",
"stroke-width": "2",
"stroke-linecap": "round",
d: "M17.657 16.657L13.414 20.9a1.998 1.998 0 01-2.827 0l-4.244-4.243a8 8 0 1111.314 0z"
}
path {
"stroke-linecap": "round",
"stroke-linejoin": "round",
d: "M15 11a3 3 0 11-6 0 3 3 0 016 0z",
"stroke-width": "2"
}
}
}
}
#[derive(Debug, Default, Serialize, Deserialize, PartialEq, Clone)]
struct WeatherLocation {
id: usize,
name: String,
latitude: f32,
longitude: f32,
country: String,
}
type WeatherLocations = Vec<WeatherLocation>;
#[derive(Debug, Default, Serialize, Deserialize)]
struct SearchResponse {
results: WeatherLocations,
}
async fn get_locations(input: &str) -> reqwest::Result<WeatherLocations> {
let res = reqwest::get(&format!(
"https://geocoding-api.open-meteo.com/v1/search?name={input}"
))
.await?
.json::<SearchResponse>()
.await?;
Ok(res.results)
}
#[derive(Debug, Default, Serialize, Deserialize, PartialEq, Clone)]
struct WeatherResponse {
daily: DailyWeather,
hourly: HourlyWeather,
}
#[derive(Debug, Default, Serialize, Deserialize, PartialEq, Clone)]
struct HourlyWeather {
time: Vec<String>,
temperature_2m: Vec<f32>,
}
#[derive(Debug, Default, Serialize, Deserialize, PartialEq, Clone)]
struct DailyWeather {
temperature_2m_min: Vec<f32>,
temperature_2m_max: Vec<f32>,
}
async fn get_weather(location: &WeatherLocation) -> reqwest::Result<WeatherResponse> {
let res = reqwest::get(&format!("https://api.open-meteo.com/v1/forecast?latitude={}&longitude={}&hourly=temperature_2m&daily=temperature_2m_max,temperature_2m_min,apparent_temperature_max,apparent_temperature_min&timezone=GMT", location.latitude, location.longitude))
.await
?
.json::<WeatherResponse>()
.await
?;
Ok(res)
}