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主页 / 问题 / 1390697
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Asked:2022-08-16 18:04:14 +0000 UTC2022-08-16 18:04:14 +0000 UTC 2022-08-16 18:04:14 +0000 UTC

卡片被添加到列表的末尾,重新加载后它们出现在列表的开头

  • 772

添加卡片时,仅在页面重新加载后才添加,尽管以相同的方式更改页面上的用户数据,它们立即更改,无需重新加载。

这是用户数据更改的实现方式(它们无需重新加载即可更改)

_checkResponse(response) {
    if (response.ok) {
      return response.json();
    };
    return Promise.reject(`Ошибка: ${response.status}`);
  };

changeUserData(userName, userAbout) {
    return fetch (this._baseUrl + '/users/me', {
      method: 'PATCH',
      headers: this._headers,
      body: JSON.stringify({
        name: userName,
        about: userAbout
      }),
    })
    .then(this._checkResponse);
  };

export default class UserInfo {
  constructor (nameSelector, aboutSelector, avatarSelector) {
    this._nameSelector = document.querySelector(nameSelector);
    this._aboutSelector = document.querySelector(aboutSelector);
    this._avatarSelector = document.querySelector(avatarSelector)
  };

  getUserInfo() {
    return {
      name: this._nameSelector.textContent,
      about: this._aboutSelector.textContent,
      avatar: this._avatarSelector.src
    };
  };

  setUserInfo(userData) {
   this._nameSelector.textContent = userData.name;
   this._aboutSelector.textContent = userData.about;
   this._avatarSelector.src = userData.avatar;
  };
};

/* Создание данных профиля */
const userInfo = new UserInfo (
  '.profile__title', 
  '.profile__subtitle', 
  '.profile__avatar'
);

/* ФОРМА ПРОФИЛЯ */  

/* Хендлер отправки формы */
const handleFormEditSubmit = (newInputValues) => {
  api.changeUserData(newInputValues['input-name'], newInputValues['input-about'])
    .then((userData) => {
    userInfo.setUserInfo(userData)
  })
    .catch((err) => {
      console.log(err);
    });
};

但是通过相同的逻辑,我向页面添加了一张新卡,然后它仅在页面重新加载后出现

export default class Card {
  constructor ({cardData, handleLikeCard, handleCardClick, handleDeleteCard}, userId, templateSelector) {
    this._name = cardData.name;
    this._link = cardData.link;
    this._likes = cardData.likes;
    this._cardId = cardData._id;
    this._ownerId = cardData.owner._id;
    this._handleLikeCard = handleLikeCard;
    this._userId = userId
    this._templateSelector = templateSelector;
    this._handleCardClick = handleCardClick;
    this._handleDeleteCard = handleDeleteCard;
  };
/* Клонирование разметки карточки */
  _getElement() {
    const cardElement = document
      .querySelector(this._templateSelector).content
      .querySelector('.cards__card').cloneNode(true);
    return cardElement
  }
/* Наполнение разметки карточки */
  generate() {
    this._element = this._getElement();
    this._element.querySelector('.cards__title').textContent = this._name;
    this._cardImage = this._element.querySelector('.cards__pic');
    this._cardImage.src = this._link;
    this._cardImage.alt = this._name;
    this._deleteButton = this._element.querySelector('.cards__delete');
    this._likeButton = this._element.querySelector('.cards__like-button');
    this.updateDeleteButtonView();
    this.updateLikesView();
    this._setEventListeners();
    return this._element;
  };
/* Получение ID карточки */
  id() {
    return this._cardId;
  };
/* Проверка на наличие лайка пользователя */
  isLiked() {
    return Boolean (this._likes.find(userData => userData._id === this._userId))
  };
/* Изменение состояния лайка, в зависимости от наличия лайка пользователя */
  updateLikesView() {
    if (this.isLiked()) {
      this._likeButton.classList.add('cards__like-button_active');
    } else {
      this._likeButton.classList.remove('cards__like-button_active');
    };
    this._updateLikes();
  };

/* Актуализация количества лайков */
  _updateLikes() {
    this._element.querySelector('.cards__like-counter').textContent = this._likes.length;
  };

/* Проверка принадлежности карточки к пользователю */
  isCardOfUser() {
    return Boolean (this._cardId.find(cardData => cardData.owner_id === this._userId))
  };

/* Изменение состояния кнопки удаления карточки */
  updateDeleteButtonView() {
    if (this.isCardOfUser) {
      this._deleteButton.classList.add('cards__delete_inactive');
    } else {
      this._deleteButton.classList.remove('cards__delete_inactive');
    };
  };

/* Удаление карточки из разметки и из оперативной памяти */
  remove() {
    this._element.remove();
    this._element = null;
  };
/* Установка слушателей */
  _setEventListeners() {
    this._cardImage.addEventListener('click', () => {
      this._handleCardClick(this._link, this._name)
    });
    this._deleteButton.addEventListener('click', () => {
      this._handleDeleteCard(this)
    });
    this._likeButton.addEventListener('click', () => {
      this._handleLikeCard(this)
    });
  }
}

addNewCard(cardName, cardLink) {
    return fetch (this._baseUrl + '/cards', {
      method: 'POST',
      headers: this._headers,
      body: JSON.stringify({
        name: cardName,
        link: cardLink
      }),
    })
    .then(this._checkResponse);
  };

/* ФОРМА ДОБАВЛЕНИЯ КАРТОЧКИ */ 

/* Хендлер отправки формы */
const handleFormAddSubmit = (newInputValues) => {
  api.addNewCard(newInputValues['input-place'], newInputValues['input-link'])
    .then((cardData) => {
      cardSection.addItem(createCard(cardData))
    })
    .catch((err) => {
      console.log(err);
    });
};
javascript
  • 1 1 个回答
  • 10 Views

1 个回答

  • Voted
  1. Best Answer
    Default
    2022-08-16T19:06:24Z2022-08-16T19:06:24Z

    另有决定,创建了一个单独的方法来绘制原始卡片和一个单独的方法来添加新卡片

    export default class Section {
      constructor ({ renderer }, containerSelector) {
        this._renderer = renderer;
        this._container = document.querySelector(containerSelector);
      };
    
      addInitialCards(element) {
        this._container.append(element);
      }
    
      addItem(element) {
        this._container.prepend(element);
      };
    
      renderItems (items) {
        items.forEach(item => this._renderer(item))
      };
    };
    
    /* ФОРМА ДОБАВЛЕНИЯ КАРТОЧКИ */ 
    
    /* Хендлер отправки формы */
    const handleFormAddSubmit = (newInputValues) => {
      api.addNewCard(newInputValues['input-place'], newInputValues['input-link'])
        .then((cardData) => {
          cardSection.addItem(createCard(cardData))
        })
        .catch((err) => {
          console.log(err);
        });
    };
    
    /* Рендеринг карточек */
    const cardSection = new Section({
      renderer: (cardData) => {
        cardSection.addInitialCards(createCard(cardData));
      }
    }, '.cards');
    
    /* Вывод данных пользователя и карточек на тсраницу*/
    const getInfo = Promise.all([api.getUserData(), api.getCards()])
      .then(([userData, cardData]) => {
        userInfo.setUserInfo(userData);
        userId = userData._id;
        cardSection.renderItems(cardData);
      })
      .catch((err) => {
        console.log(err);
      });
    
    • 0

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