JS-Mapty/script.js

'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 btnEdit = document.querySelector('.btn__edit');
const btnRemoveAll = document.querySelector('.remover');
const btnSort = document.querySelector('.btn--sort');

class App {
  #map;
  #mapZoomLevel = 13;
  #mapEvent;
  #workouts = [];
  #sorted = false;
  constructor() {
    // Get user's position
    this._getPosition();

    // Get data from local storage
    this._getLocalStorage();

    // Attach event handlers
    form.addEventListener('submit', this._newWorkout.bind(this));
    inputType.addEventListener('change', this._toggleElevationField);
    containerWorkouts.addEventListener('click', this._moveToPopup.bind(this));
    containerWorkouts.addEventListener('click', this._editWorkout.bind(this));
    containerWorkouts.addEventListener('click', this._removeWorkout.bind(this));
    btnRemoveAll.addEventListener('click', this._removeAllWorkouts.bind(this));
    if (this.#workouts.length > 0) btnRemoveAll.classList.remove('btn--hidden');
    btnSort.addEventListener('click', this._sort.bind(this));
  }

  _getPosition() {
    if (navigator.geolocation)
      navigator.geolocation.getCurrentPosition(
        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: `&copy; <a href="https://www.openstreetmap.org/copyright">OpenStreetMap</a>
         contributors`,
    }).addTo(this.#map);

    this.#map.on('click', this._showForm.bind(this));
    this.#workouts.forEach(work => this._renderWorkoutMarker(work));
  }

  _showForm(mapE) {
    this.#mapEvent = mapE;
    form.classList.remove('hidden');
    inputDistance.focus();
  }

  _hideForm() {
    // Empty inputs
    inputCadence.value =
      inputDistance.value =
      inputDuration.value =
      inputElevation.value =
        '';

    form.style.display = 'none';
    form.classList.add('hidden');
    setTimeout(() => (form.style.display = 'grid'));
  }

  _toggleElevationField() {
    inputCadence.closest('.form__row').classList.toggle('form__row--hidden');
    inputElevation.closest('.form__row').classList.toggle('form__row--hidden');
  }

  _newWorkout(e) {
    const validInputs = (...inputs) =>
      inputs.every(inp => Number.isFinite(inp));
    const allPositive = (...inputs) => inputs.every(inp => inp > 0);

    e.preventDefault();

    // Get data from form
    const type = inputType.value;
    const distance = +inputDistance.value;
    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 (
        !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;

      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 array
    this.#workouts.push(workout);

    // Rednder workout on map as marker
    this._renderWorkoutMarker(workout);

    // Render workout on list
    this._renderWorkout(workout);

    // Clear input fields and hide form
    this._hideForm();

    // Set local storage to all workouts
    this._setLocalStorage();

    btnRemoveAll.classList.remove('btn--hidden');
  }
  _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="${workout.id}">
      <h2 class="workout__title">${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>
    `;
    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>
      `;
    html += `
        <div class="buttons">
          <button class="btn__edit">🖊</button>
          <button class="btn__submit btn--hidden">✔</button>
          <button class="btn__remove">✖</button>
        </div>
      </li>
      `;

    form.insertAdjacentHTML('afterend', html);
  }

  _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,
      },
    });
  }

  _setLocalStorage() {
    localStorage.setItem('workouts', JSON.stringify(this.#workouts));
  }

  _getLocalStorage(sorted) {
    const data = JSON.parse(localStorage.getItem('workouts'));

    if (!data) return;

    this.#workouts = data;

    while (form.nextSibling) {
      const htmlEl = form.nextSibling;
      htmlEl.remove();
    }

    const works = sorted
      ? this.#workouts.slice().sort((a, b) => a.distance - b.distance)
      : this.#workouts;

    works.forEach(work => this._renderWorkout(work));
  }

  reset() {
    localStorage.removeItem('workouts');
    location.reload();
  }

  _removeAllWorkouts() {
    while (form.nextSibling) {
      const htmlEl = form.nextSibling;
      htmlEl.remove();
    }
    btnRemoveAll.classList.add('btn--hidden');
    this.reset();
  }

  _editWorkout(e) {
    const btn = e.target;
    if (!btn.classList.contains('btn__edit')) return;

    const workoutEl = btn.closest('.workout');
    const workout = this.#workouts.find(
      work => work.id === workoutEl.dataset.id
    );
    console.log(workout);

    inputDistance.value = workout.distance;
    inputDuration.value = workout.duration;

    workout.type == 'running'
      ? (inputCadence.value = workout.cadence)
      : (inputElevation.value = workout.elevation);

    this._showForm();
  }

  _removeWorkout(e) {
    if (!e.target.classList.contains('btn__remove')) return;

    const workoutEl = e.target.closest('.workout');
    console.log(workoutEl);
    const workout = this.#workouts.find(
      work => work.id === workoutEl.dataset.id
    );
    this.#workouts.splice(this.#workouts.indexOf(workout), 1);
    localStorage.removeItem('workouts');

    workoutEl.remove();

    localStorage.removeItem('workouts');
    this._setLocalStorage();
    location.reload();
  }

  _sort(e) {
    e.preventDefault();
    console.log('start sorting');
    this.#sorted = !this.#sorted;
    this._getLocalStorage(this.#sorted);
  }
}

class Workout {
  date = new Date();
  id = (Date.now() + '').slice(-10); // unique identiofier

  constructor(coords, distance, duration) {
    this.coords = coords;
    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
    return (this.pace = this.duration / this.distance);
  }
}
class Cycling extends Workout {
  type = 'cycling';

  constructor(coords, distance, duration, elevationGain) {
    super(coords, distance, duration);
    this.elevationGain = elevationGain;
    this._calcSpeed();
    this._setDescription();
  }

  _calcSpeed() {
    return (this.speed = this.distance / this.duration);
  }
}

const app = new App();