old_contents: import fetch from 'node-fetch';
  import _ from 'lodash'; 
  
  import config from '../config/configuration';
  
  export default class YandexDiskApi {
      constructor(oAuthToken) {
          if (!oAuthToken) {
              throw new Error('There is no OAuth token for Yandex');
          }
          this._oAuthToken = oAuthToken;
          this._getHeaders = () => {
              return {
                  "Authorization": `OAuth ${this._oAuthToken}`
              }
          };
          this._get = (url) => {
              return fetch(url, {
                  "headers": this._getHeaders()
              })
          }
      }
  
      async getImagePreviews(limit = 12, offset = 0) {
          try {
              const data = await this._get(`${config.yandexDiskApiUrl}?path=${encodeURI(config.yandexDiskFolder)}&limit=${limit}&offset=${offset}`);
  
              const jsonData = await data.json();
  
              const embedded = jsonData._embedded;
  
              return {
                  "items": _(embedded.items || []).filter(i => i.type === 'file').value(),
                  "limit": embedded.limit,
                  "offset": embedded.offset,
                  "total": embedded.total
              };
          } catch(err) {
              console.log("Can't get preview data: " + err);
          }
      }
  
      async getImagePreview(fileName) {
          try {
              const data = await this._get(`${config.yandexDiskApiUrl}?path=${encodeURI(config.yandexDiskFolder + fileName)}`);
  
              return await data.json();
          } catch (err) {
              console.error("Can't get preview data: " + err);
          }
      }
  
      async getFullImage(name) {
          try {
              const data = await this._get(`${config.yandexDiskApiUrl}/download?path=${encodeURI(config.yandexDiskFolder + name)}`);
  
              const jsonData = await data.json();
  
              return {
                      "href": jsonData.href
                  };
          } catch (err) {
              console.error("Can't get image data: " + err);
          }
      }
  }
  
  
new_contents: import fetch from 'node-fetch';
  import _ from 'lodash'; 
  
  import config from '../config/configuration';
  
  export default class YandexDiskApi {
      constructor(oAuthToken) {
          if (!oAuthToken) {
              throw new Error('There is no OAuth token for Yandex');
          }
          this._oAuthToken = oAuthToken;
          this._getHeaders = () => {
              return {
                  "Authorization": `OAuth ${this._oAuthToken}`
              }
          };
          this._get = (url) => {
              return fetch(url, {
                  "headers": this._getHeaders()
              })
          }
      }
  
      async getImagePreviews(limit = 12, offset = 0) {
          try {
              const data = await this._get(`${config.yandexDiskApiUrl}?path=${encodeURI(config.yandexDiskFolder)}&limit=${limit}&offset=${offset}&preview_size=x190`);
  
              const jsonData = await data.json();
  
              const embedded = jsonData._embedded;
  
              return {
                  "items": _(embedded.items || []).filter(i => i.type === 'file').value(),
                  "limit": embedded.limit,
                  "offset": embedded.offset,
                  "total": embedded.total
              };
          } catch(err) {
              console.log("Can't get preview data: " + err);
          }
      }
  
      async getImagePreview(fileName) {
          try {
              const data = await this._get(`${config.yandexDiskApiUrl}?path=${encodeURI(config.yandexDiskFolder + fileName)}`);
  
              return await data.json();
          } catch (err) {
              console.error("Can't get preview data: " + err);
          }
      }
  
      async getFullImage(name) {
          try {
              const data = await this._get(`${config.yandexDiskApiUrl}/download?path=${encodeURI(config.yandexDiskFolder + name)}`);
  
              const jsonData = await data.json();
  
              return {
                      "href": jsonData.href
                  };
          } catch (err) {
              console.error("Can't get image data: " + err);
          }
      }
  }
  
  
subject: Increase size of preview images