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script.js
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script.js
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'use strict';
// // create a global map variable
// let map, mapEvent;
// workout class 💪
class Workout {
// date the workout happen
date = new Date();
id = Date.now() + ''.slice(-10);
clicks = 0;
constructor(coords, distance, duration) {
this.coords = coords; // [lat, lng]
this.distance = distance; // in km
this.duration = duration; // in min
}
// method to show the workout type and date
_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()}`;
}
// number of clicks in each workout
click() {
this.clicks++;
}
}
// Running class 🏃♀️
class Running extends Workout {
type = 'running';
constructor(coords, distance, duration, cadence) {
// call the attribute that a common to the parent class
super(coords, distance, duration);
this.cadence = cadence;
// this.type = 'running'
this.calcPace(); //call the method calcPace in the constructor
this._setDescription();
}
// pace calculation
calcPace() {
// min/km
this.pace = this.duration / this.distance;
return this.pace;
}
}
// cycling class 🚴♀️
class Cycling extends Workout {
type = 'cycling';
constructor(coords, distance, duration, elevationGain) {
// call the attribute that a common to the parent class
super(coords, distance, duration);
this.elevationGain = elevationGain;
// this.type = 'cycling'
this.calcSpeed(); // call the method calcSpeed in the constructor
this._setDescription();
}
// speed calculation
calcSpeed() {
// km/h
this.speed = this.distance / (this.duration / 60);
return this.speed;
}
}
const run1 = new Running([39, -12], 5.2, 24, 178);
const cycling1 = new Cycling([39, -12], 27, 95, 523);
//console.log(run1, cycling1);
//////////////////////////////////////////////////////////
// Application Architecture
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');
// class App 📱
class App {
//private instance properties
#map;
#mapZoomLevel = 13;
#mapEvent;
#workouts = [];
// constructor lunches immediately by the load page
constructor() {
// Get user's position
this._getPosition();
// Get data from local storage
this._getLocalStorage();
// form to submit data
// bind the 'this' keyword
form.addEventListener('submit', this._newWorkout.bind(this)); // object from leaflet
// change activity type running and cycling
inputType.addEventListener('change', this._toggleElevationField);
// move the map focus on the event performed location
containerWorkouts.addEventListener('click', this._moveToPopup.bind(this));
}
// _getPosition()
_getPosition() {
// Get geolocation
if (navigator.geolocation)
// check if this exist
// bind the 'this' keyword explicitly
navigator.geolocation.getCurrentPosition(
this._loadMap.bind(this),
function () {
// error
alert('Could not get your position');
}
);
}
// _loadMap(position)
_loadMap(position) {
// success
const { latitude } = position.coords;
const { longitude } = position.coords;
console.log(`https://www.google.com/maps/@${latitude},${longitude}`);
// create coordinates
const coords = [latitude, longitude];
// create map variable and add the latitude and longitude
this.#map = L.map('map').setView(coords, this.#mapZoomLevel);
// tiles can be used to change the theme
L.tileLayer('https://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));
// persist workout markers when there's data in the local storage
this.#workouts.forEach(work => {
this._renderWorkout(work);
this._renderWorkoutMarker(work);
});
}
// _showForm()
_showForm(mapE) {
this.#mapEvent = mapE;
// show the form to input the mark-popup data
form.classList.remove('hidden');
// want the cursor to go to the distance section
inputDistance.focus();
}
// _hideForm()
_hideForm() {
// Empty inputs
inputDistance.value =
inputDuration.value =
inputCadence.value =
inputElevation.value =
'';
// set form display to none
form.computedStyleMap.display = 'none';
// add the hidden class
form.classList.add('hidden');
// set the display after 1min
setTimeout(() => (form.computedStyleMap.display = 'grid'), 1000);
}
// _toggleElevationField()
_toggleElevationField() {
inputElevation.closest('.form__row').classList.toggle('form__row--hidden');
inputCadence.closest('.form__row').classList.toggle('form__row--hidden');
}
// _newWorkout()
_newWorkout(e) {
// valid input arrow function
const validInputs = (...inputs) =>
inputs.every(inp => Number.isFinite(inp));
// check if input values are greater than zero
const allPositive = (...inputs) => inputs.every(inp => inp > 0);
// prevent default behavior
e.preventDefault();
// Get data from the form
const type = inputType.value;
const distance = +inputDistance.value;
const duration = +inputDuration.value;
const { lat, lng } = this.#mapEvent.latlng;
let workout;
// check if data is valid
// If workout running, create running object
if (type === 'running') {
// change to number and assign to cadence
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 (
// !Number.isFinite(distance) ||
// !Number.isFinite(duration) ||
// !Number.isFinite(cadence)
!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);
//console.log(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) {
// add marker and popup
L.marker(workout.coords)
.addTo(this.#map)
.bindPopup(
L.popup({
maxWidth: 250,
minWidth: 100,
closeOnClick: false,
autoClose: false,
className: `${workout.type}-popup`, // workout type
})
)
.setPopupContent(
`${workout.type === 'running' ? '🏃♀️' : '🚴♀️'}${workout.description}`
)
.openPopup();
}
// call the method
_renderWorkout(workout) {
// dom manipulation of the html
let html = `
<li class="workout workout--${workout.type}" data-id=${workout.id}>
<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 running
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 cycling
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>`;
// insert the elements to the html form
form.insertAdjacentHTML('afterend', html);
}
// add popup
_moveToPopup(e) {
const workoutEl = e.target.closest('.workout');
//console.log(workoutEl);
if (!workoutEl) return;
const workout = this.#workouts.find(
work => work.id === workoutEl.dataset.id
);
//console.log(workout);
// set view focus to coordinate and view
this.#map.setView(workout.coords, this.#mapZoomLevel, {
animate: true,
pan: {
duration: 1,
},
});
// using the workout public interface by using the click method
// workout.click();
}
// create a local storage
_setLocalStorage() {
localStorage.setItem('workouts', JSON.stringify(this.#workouts));
}
// save the data
_getLocalStorage() {
const data = JSON.parse(localStorage.getItem('workouts'));
//console.log(data);
// if no data in storage do nothing
if (!data) return;
// if there's a data in the storage set data to it
this.#workouts = data;
this.#workouts.forEach(work => {
this._renderWorkout(work);
});
}
// to reset
rest() {
localStorage.removeItem('workouts');
location.reload();
}
}
// create object from the app class
const app = new App();