Form Actions

src/lib/components/ComboBox.svelte

@@ -4,24 +4,40 @@
 	import ChevronUp from './icons/ChevronUp.svelte';
 	import XMark from './icons/XMark.svelte';
 	import FuzzySearch from 'fuzzy-search';
-	// import Fuse from 'fuse.js'
 
 	type ComboBoxProps = {
-		options: ComboOption[] | CountryBasic[] | CityBasic[];
+		options: readonly CountryBasic[];
 		onSelect: (data: ComboOption | CountryBasic | CityBasic) => void;
 		onClear: () => void;
 		disabledItems?: number[];
+		selectedOptionId: number | null;
 	};
 
-	let { options, onSelect, onClear, disabledItems }: ComboBoxProps = $props();
+	let { options, onSelect, onClear, disabledItems, selectedOptionId }: ComboBoxProps = $props();
+	$effect(() => console.log(selectedOptionId));
 
 	let focused = $state(false);
 	let selectSet = $state(false);
 	let inputElement: HTMLInputElement;
 	let dropdownElement: HTMLUListElement | null = $state(null);
-	let filterInput = $state('');
 	let emoji: string = $state('');
 	
+	const ifOptionSelected = (id: number | null) => {
+		let textValue = '';
+		if (id) { 
+			const value = options.find((option) => option.id === id)
+			if(value) {
+				emoji = 'emoji' in value ? (value.emoji ?? '') : '';
+				textValue = 'name' in value ? value.name : '';
+				selectSet = true;
+			}
+		}
+		return textValue;
+	};
+	
+	
+	
+	let filterInput = $state(ifOptionSelected(selectedOptionId));
 	let searcher = $state(new FuzzySearch(options, ['name'], { caseSensitive: false, sort: true }));
 
 	$effect(() => {

src/lib/types.ts

@@ -20,6 +20,19 @@ export type CityTemperature = {
   max: number;
   date: string;
 }
+
+export type HotColdCity ={
+  city_id: number;
+  city_name: string;
+  country_id: number;
+  country_name: string;
+  max_temp: number;
+  min_temp: number;
+  date: string;
+  hottest_rank: number;
+  coldest_rank: number;
+}
+
 export type ComboOption = {
   id: number;
   name: string;

src/routes/+page.server.ts

@@ -1,9 +1,9 @@
 import { allCities, allCountries, getHottestAndColdestCityInCountry } from '$lib/db/queries';
-import type { CityBasic, CountryBasic } from '$lib/types';
+import type { CityBasic, CityTemperature, CountryBasic, HotColdCity } from '$lib/types';
-import { error, type Actions } from '@sveltejs/kit';
+import { type Actions } from '@sveltejs/kit';
-import { getLocationTemperature } from '$lib/server/meteoService';
 import type { PageServerLoad } from './$types';
-import { fetchAllCitiesTemperatures } from '$lib/server/meteoDataHandler';
+// import { getLocationTemperature } from '$lib/server/meteoService';
+// import { fetchAllCitiesTemperatures } from '$lib/server/meteoDataHandler';
 
 const errorObject = {
   ok: false,
@@ -11,19 +11,36 @@ const errorObject = {
   error: 'Failed to fetch temperature'
 }
 
-export const load: PageServerLoad = () => {
+export const load: PageServerLoad = async ({ url }) => {
   try {
     const countries = allCountries.all() as CountryBasic[];
     const cities = allCities.all() as CityBasic[];
+    const country_id = url.searchParams.get('country');
+    console.log('country_id >>> ', country_id);
+
+    let temperatureData: HotColdCity[] | null = null;
+    if (country_id) {
+      temperatureData = getHottestAndColdestCityInCountry.all({
+        $country_id: Number(country_id),
+        $date: new Date().toISOString().split('T')[0]
+      }) as HotColdCity[];
+    }
+
+    console.log('Loading >>>>', temperatureData);
+
     return {
       countries,
-      cities
+      cities,
+      temperatureData,
+      country_id: country_id ? parseInt(country_id) : null
     };
   } catch (error) {
     console.log(error);
     return {
       countries: [],
-      cities: []
+      cities: [],
+      temperatureData: null,
+      country_id: null
     };
   }
 };
@@ -34,28 +51,25 @@ export const actions: Actions = {
       const formData = await request.formData();
       const country_id = formData.get('country_id') as string;
 
-      const response = await getHottestAndColdestCityInCountry.all({
+      console.log('FORM ACTION >>>', country_id)
+      const response = getHottestAndColdestCityInCountry.all({
         $country_id: Number(country_id),
         $date: new Date().toISOString().split('T')[0]
-      });
+      }) as HotColdCity[];
-      console.log('RESPONSE >>>>', response);
 
-      // if (response.length == 2) {
+      if (response.length == 2) {
-      //   console.log(response.data);
+        console.log('RESPONSE >>>>', response);
 
-      //   return {
+        return {
-      //     ok: true,
+          ok: true,
-      //     data: response.data,
+          data: response,
-      //     error: null
+          error: null,
-      //   };
+          country_id: country_id ?? null
-      // } else {
+        };
+      } else {
         return errorObject;
-      // }
+      }
-      // return {
+
-      // 	ok: true,
-      // 	data: response,
-      // 	error: null
-      // }
     } catch (error) {
       console.log(error);
       return errorObject;

src/routes/+page.svelte

@@ -1,38 +1,42 @@
 <script lang="ts">
-	import { enhance } from '$app/forms';
+	import { applyAction, enhance } from '$app/forms';
+	import { pushState } from '$app/navigation';
 	import ComboBox from '$lib/components/ComboBox.svelte';
 	import Footer from '$lib/components/Footer.svelte';
 	import TwoCities from '$lib/components/TwoCities.svelte';
-	import type { CityBasic, CountryBasic, ComboOption } from '$lib/types';
+	import type { CityBasic, CountryBasic, ComboOption, HotColdCity } from '$lib/types';
 	import type { PageProps } from './$types';
 
-	let { data }: PageProps = $props();
+	let { data, form }: PageProps = $props();
+	let temperatureData: HotColdCity[] | null = $state(data.temperatureData);
+	let selectedCountryId: number | null = $state(data.country_id);
+	let countryForm: HTMLFormElement;
+	let submitButton: HTMLButtonElement;
+	let countryIdInput: HTMLInputElement;
+	// let filteredCities: CityBasic[] = $derived(
+	// 	data.cities.filter((c) => c.country_id == selectedCountryId)
+	// );
 
-	// let filteredCities: CityBasic[] = $state([]);
+	const onCountrySelect = async (country: CountryBasic | ComboOption) => {
-	let selectedCountryId: number | null = $state(null);
-	let filteredCities: CityBasic[] = $derived(
-		data.cities.filter((c) => c.country_id == selectedCountryId)
-	);
-
-	// const setCountryCities = (id: number | null) => {
-	// 	if (id) {
-	// 		filteredCities = data.cities.filter((c) => c.country_id == id);
-	// 	} else {
-	// 		filteredCities = [];
-	// 	}
-	// };
-
-	const onCountrySelect = (country: CountryBasic | ComboOption) => {
 		selectedCountryId = country.id;
-		// setCountryCities(country.id);
+		countryIdInput.value = selectedCountryId.toString();
+		pushState(`?country=${selectedCountryId}`, { country: selectedCountryId });
+		submitButton.click();
 	};
+
+	$effect(() => {
+		if (form && form.ok) {
+			temperatureData = form.data;
+			console.log(form.data);
+		}
+	});
 </script>
 
 <svelte:head>
 	<title>HotColdCities</title>
 </svelte:head>
 
-<main class="flex h-full min-h-screen flex-col bg-white">
+<main class="flex h-full min-h-screen flex-col overflow-x-hidden bg-white">
 	<div class="container mx-auto my-3 max-w-4xl flex-grow p-4">
 		<h1 class="my-5 text-center text-4xl font-light">HotColdCities</h1>
 		<h2 class="mx-auto max-w-xl text-center text-xl leading-tight md:text-2xl">
@@ -44,13 +48,39 @@
 			<div class="flex w-full flex-col gap-2">
 				<div class="mx-auto w-full max-w-md">
 					<ComboBox
-						options={data.countries}
+						options={data.countries as readonly CountryBasic[]}
 						onSelect={onCountrySelect}
+						selectedOptionId={selectedCountryId}
 						onClear={() => (selectedCountryId = null)}
 					/>
 				</div>
+				<form
+					action="?/fetchTemperature"
+					method="POST"
+					class="hidden"
+					use:enhance={() => {
+						return async ({ result }) => {
+							await applyAction(result);
+						};
+					}}
+					bind:this={countryForm}
+				>
+					<input type="number" name="country_id" bind:this={countryIdInput} readonly />
+					<button type="submit" bind:this={submitButton}>Submit</button>
+				</form>
+				{#if selectedCountryId && temperatureData}
+					<div class="my-8 flex flex-col justify-evenly gap-12 md:flex-row">
+						{#each temperatureData as temperature}
+							<dl class="flex flex-col gap-2">
+								<dt class="text-center text-3xl font-medium">{temperature.city_name}</dt>
+								<dd>Max: {temperature.max_temp}°C</dd>
+								<dd>Min: {temperature.min_temp}°C</dd>
+							</dl>
+						{/each}
+					</div>
+				{/if}
 				<!-- Add badges top  7 popular countries -->
-				<ul class="flex flex-col gap-1">
+				<!-- <ul class="flex flex-col gap-1">
 					{#each filteredCities as city (city.id)}
 						<li class="flex gap-2">
 							{city.name}
@@ -66,7 +96,7 @@
 							</form>
 						</li>
 					{/each}
-				</ul>
+				</ul> -->
 			</div>
 		</section>
 		<!-- TODO: Show max min temperatures in the country and its coresponding cities -->