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script.js
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script.js
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import { countResults, fetchFranceCities, uiReset } from "./utils/functions.js";
const cities = await fetchFranceCities("https://geo.api.gouv.fr/communes");
try {
// const cities = await fetchFranceCities("https://geo.api.gouv.fr/communes");
// process(cities);
} catch (e) {
console.error(e);
}
document.getElementById('form')
.addEventListener('submit', (e) => {
e.preventDefault();
uiReset();
const form = e.target;
let formData = new FormData(form);
let q = prepare(formData.get('user_request'), cities);
uiDisplay(q, cities);
countResults();
form.reset();
})
// Clean the query
// Check if it is valid
// Before the API works
// Parameters: query string and data json
function prepare(query, data) {
let onlyNames = [];
const emptyError = document.querySelector('#error');
query = query.trim();
console.log(query, query.length)
// Check if request is empty
// to display error message
if (!query) {
emptyError.classList.remove('d-none');
return query
} else {
emptyError.classList.add('d-none');
}
// Create an array containing only city names
onlyNames = data.map(city => city['nom'].toLowerCase());
if (onlyNames.indexOf(query.toLowerCase()) === -1) {
console.log("N'existe pas!")
emptyError.classList.remove('d-none');
return null
} else {
console.log("Existe!")
emptyError.classList.add('d-none');
}
return query;
}
// Display on the screen the results
// Of user query
// Parameters: query string and data json
function uiDisplay(query, data) {
data.forEach(city => {
// To ease the research
// Change normal case into lower case
let caseInsensitiveCity = city['nom'].toLowerCase();
if (caseInsensitiveCity === query.toLowerCase()) {
let cityCardTemplate = document.getElementById('cardLayout').content.cloneNode(true);
let cityCard = cityCardTemplate.querySelector('.card');
cityCard.querySelector('#cityName').innerText = city['nom'];
cityCard.querySelector('#cityDepartmentCode').innerText = city['codeDepartement'];
cityCard.querySelector('#cityPopulation').innerText = city['population'];
cityCard.querySelector('#cityZips').innerText = city['codesPostaux'];
document.querySelector('#results').append(cityCard);
}
});
}