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script.js
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script.js
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'use strict';
const form = document.querySelector('.form');
const containerWorkouts = document.querySelector('.workouts');
const inputType = document.querySelector('.form__input--type');
const inputDistance = document.querySelector('.form__input--distance');
const inputDuration = document.querySelector('.form__input--duration');
const inputCadence = document.querySelector('.form__input--cadence');
const inputElevation = document.querySelector('.form__input--elevation');
const deleteAllBtn = document.querySelector('.delete-btn');
class Workout {
date = new Date();
id = (Date.now() + '').slice(-10);
constructor(coords, distance, duration) {
this.coords = coords; // [lat,lng]
this.distance = distance; // in km
this.duration = duration; // in min
}
_setDescription() {
// prettier-ignore
const months = ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'];
this.description = `${this.type[0].toUpperCase()}${this.type.slice(1)} on ${
months[this.date.getMonth()]
} ${this.date.getDate()}`;
}
}
class Running extends Workout {
type = 'running';
constructor(coords, distance, duration, cadence) {
super(coords, distance, duration);
this.cadence = cadence;
this.calcPace();
this._setDescription();
}
calcPace() {
// min/km
this.pace = this.duration / this.distance;
return this.pace;
}
}
class Cycling extends Workout {
type = 'cycling';
constructor(coords, distance, duration, elevationGain) {
super(coords, distance, duration);
this.elevationGain = elevationGain;
this.calcSpeed();
this._setDescription();
}
calcSpeed() {
// km/h
this.speed = this.distance / (this.duration / 60); // to hours
return this.speed;
}
}
// Application architecture
class App {
// Private instance properties
#map;
#mapZoomLevel = 13;
#mapEvent;
#workouts = [];
constructor() {
// Constructor gets called when script loads
// Get users position
this._getPosition();
// Get data from local storage
this._getLocalStorage();
// Attach event handllers
form.addEventListener('submit', this._newWorkout.bind(this));
// Bind because event listener points this keyword to form element not app object
inputType.addEventListener('change', this._toggleElevationField);
containerWorkouts.addEventListener('click', this._moveToPopup.bind(this));
containerWorkouts.addEventListener('click', this._deleteWorkout.bind(this));
containerWorkouts.addEventListener(
'click',
this._deleteAllWorkout.bind(this)
);
}
_getPosition() {
if (navigator.geolocation)
navigator.geolocation.getCurrentPosition(
// asks for success and error functions, thats why 2 functions here
this._loadMap.bind(this),
function () {
alert('Could not get your position');
}
);
}
_loadMap(position) {
{
const { latitude } = position.coords;
const { longitude } = position.coords;
const coords = [latitude, longitude];
this.#map = L.map('map').setView(coords, this.#mapZoomLevel);
L.tileLayer('https://{s}.tile.openstreetmap.fr/hot/{z}/{x}/{y}.png', {
attribution:
'© <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a> contributors',
}).addTo(this.#map);
// Handling clicks on map
this.#map.on('click', this._showForm.bind(this));
// Load local stored marker when map is loaded
this.#workouts.forEach(work => {
this._renderWorkoutMarker(work);
});
}
}
_showForm(mapE) {
this.#mapEvent = mapE;
form.classList.remove('hidden');
inputDistance.focus();
}
_hideForm() {
// Empty inputs
inputDistance.value = inputDuration.value = inputCadence.value = inputElevation.value =
'';
form.style.display = 'none';
form.classList.add('hidden');
setTimeout(() => (form.style.display = 'grid'), 1000);
}
_toggleElevationField() {
inputElevation.closest('.form__row').classList.toggle('form__row--hidden');
inputCadence.closest('.form__row').classList.toggle('form__row--hidden');
}
_newWorkout(e) {
const validInputs = (...inputs) =>
inputs.every(inp => Number.isFinite(inp)); // if just one of the inputs is not valid then method every returns false
const allPositive = (...inputs) => inputs.every(inp => inp > 0);
e.preventDefault();
// Get data from form
const type = inputType.value;
const distance = +inputDistance.value; // + to transform them from string to number
const duration = +inputDuration.value;
const { lat, lng } = this.#mapEvent.latlng;
let workout;
// If workout running, create running object
if (type === 'running') {
const cadence = +inputCadence.value;
// Check if data is valid
if (
// !Number.isFinite(distance) ||
// !Number.isFinite(duration) ||
// !Number.isFinite(cadence)
!validInputs(distance, duration, cadence) ||
!allPositive(distance, duration, cadence)
)
return alert('Inputs have to be positive numbers!');
workout = new Running([lat, lng], distance, duration, cadence);
}
// If workout cycling, create cycling object
if (type === 'cycling') {
const elevation = +inputElevation.value;
// Check if data is valid
if (
!validInputs(distance, duration, elevation) ||
!allPositive(distance, duration)
)
return alert('Inputs have to be positive numbers!');
workout = new Cycling([lat, lng], distance, duration, elevation);
}
// Add new object to workout array
this.#workouts.push(workout);
// Render workout on map as marker
this._renderWorkoutMarker(workout);
// Render workout on list
this._renderWorkout(workout);
// Hide form + clear input fields
this._hideForm();
// Set local storage to all workouts
this._setLocalStorage();
}
_renderWorkoutMarker(workout) {
L.marker(workout.coords)
.addTo(this.#map)
.bindPopup(
L.popup({
maxWidth: 250,
minWidth: 100,
autoClose: false,
closeOnClick: false,
className: `${workout.type}-popup`,
})
)
.setPopupContent(
`${workout.type === 'running' ? '🏃♂️' : '🚴♀️'} ${workout.description}`
)
.openPopup();
}
_renderWorkout(workout) {
let html = `
<li class="workout workout--${workout.type}" data-id="${workout.id}">
<i class="fas fa-times-circle close-icon" data-id="${workout.id}"></i>
<h2 class="workout__title">${workout.description}</h2>
<div class="workout__details">
<span class="workout__icon">${
workout.type === 'running' ? '🏃♂️' : '🚴♀️'
}</span>
<span class="workout__value">${workout.distance}</span>
<span class="workout__unit">km</span>
</div>
<div class="workout__details">
<span class="workout__icon">⏱</span>
<span class="workout__value">${workout.duration}</span>
<span class="workout__unit">min</span>
</div>
`;
if (workout.type === 'running')
html += `
<div class="workout__details">
<span class="workout__icon">⚡️</span>
<span class="workout__value">${workout.pace.toFixed(1)}</span>
<span class="workout__unit">min/km</span>
</div>
<div class="workout__details">
<span class="workout__icon">🦶🏼</span>
<span class="workout__value">${workout.cadence}</span>
<span class="workout__unit">spm</span>
</div>
</li>
`;
if (workout.type === 'cycling')
html += `
<div class="workout__details">
<span class="workout__icon">⚡️</span>
<span class="workout__value">${workout.speed.toFixed(1)}</span>
<span class="workout__unit">km/h</span>
</div>
<div class="workout__details">
<span class="workout__icon">⛰</span>
<span class="workout__value">${workout.elevationGain}</span>
<span class="workout__unit">m</span>
</div>
</li>
`;
form.insertAdjacentHTML('afterend', html);
deleteAllBtn.classList.remove('hidden');
}
_moveToPopup(e) {
const workoutEl = e.target.closest('.workout');
if (!workoutEl) return;
const workout = this.#workouts.find(
work => work.id === workoutEl.dataset.id
);
this.#map.setView(workout.coords, this.#mapZoomLevel, {
animate: true,
pan: {
duration: 1,
},
});
}
_deleteWorkout(e) {
const closeEl = e.target.closest('.close-icon');
if (!closeEl) return;
const workout = this.#workouts.find(work => work.id === closeEl.dataset.id);
const workoutEl = e.target.closest('.workout');
workoutEl.style.display = 'none';
this.#workouts.pop(workout);
this._setLocalStorage();
location.reload();
}
_deleteAllWorkout(e) {
const deleteBtnEl = e.target.closest('.delete-btn');
if (!deleteBtnEl) return;
containerWorkouts.style.display = 'none';
while (this.#workouts.length) {
this.#workouts.pop();
}
this._setLocalStorage();
location.reload();
}
_setLocalStorage() {
localStorage.setItem('workouts', JSON.stringify(this.#workouts)); // accepts string
}
_getLocalStorage() {
const data = JSON.parse(localStorage.getItem('workouts')); // back to object
if (!data) return;
this.#workouts = data;
this.#workouts.forEach(work => {
this._renderWorkout(work);
});
}
reset() {
localStorage.removeItem('workouts');
location.reload();
}
}
const app = new App();