all files / lib/ MessengerClient.js

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import url from 'url';
import fetch from 'node-fetch';
 
class MessengerClient {
  constructor(pageAccessToken) {
    this.pageAccessToken = pageAccessToken;
  }
 
  buildURL(pathname, query) {
    const urlObject = {
      protocol: 'https',
      host: 'graph.facebook.com',
      pathname: `/v2.6/${pathname}`,
      query,
    };
    return url.format(urlObject);
  }
 
  getUser(id) {
    const finalUrl = this.buildURL(id, {
      fields: 'first_name,last_name,profile_pic,locale,timezone,gender',
      access_token: this.pageAccessToken,
    });
 
    return fetch(finalUrl)
      .then((response) => response.json());
  }
 
  send(payload, id) {
    const finalUrl = this.buildURL('me/messages', {
      access_token: this.pageAccessToken,
    });
    return fetch(finalUrl, {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
      },
      body: JSON.stringify({
        recipient: { id },
        message: payload,
      }),
    })
      .then((response) => response.json());
  }
 
  subscribeAppToPage() {
    const finalUrl = this.buildURL('me/subscribed_apps', {
      access_token: this.pageAccessToken,
    });
    return fetch(finalUrl, {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
      },
    })
      .then((response) => response.json());
  }
 
  setThreadSetting(payload) {
    const finalUrl = this.buildURL('me/thread_settings', {
      access_token: this.pageAccessToken,
    });
    return fetch(finalUrl, {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
      },
      body: JSON.stringify(payload),
    })
      .then((response) => response.json());
  }
 
  deleteGetStarted() {
    const finalUrl = this.buildURL('me/thread_settings', {
      access_token: this.pageAccessToken,
    });
    return fetch(finalUrl, {
      method: 'DELETE',
      headers: {
        'Content-Type': 'application/json',
      },
      body: JSON.stringify({
        setting_type: 'call_to_actions',
        thread_state: 'new_thread',
      }),
    })
      .then((response) => response.json());
  }
 
  linkAccount(accountLinkingToken) {
    const finalUrl = this.buildURL('me', {
      access_token: this.pageAccessToken,
      fields: 'recipient',
      account_linking_token: accountLinkingToken,
    });
    return fetch(finalUrl, {
      headers: {
        'Content-Type': 'application/json',
      },
    })
      .then((response) => response.json());
  }
 
  unlinkAccount(psid) {
    const finalUrl = this.buildURL('me/unlink_accounts', {
      access_token: this.pageAccessToken,
    });
    return fetch(finalUrl, {
      headers: {
        'Content-Type': 'application/json',
      },
      body: JSON.stringify({
        psid,
      }),
    })
      .then((response) => response.json());
  }
 
  senderAction(senderAction, id) {
    const actions = [
      'mark_seen',
      'typing_on',
      'typing_off',
    ];
 
    if (actions.indexOf(senderAction) === -1) {
      throw new Error('Invalid sender_action provided.');
    }
 
    const finalUrl = this.buildURL('me/messages', {
      access_token: this.pageAccessToken,
    });
 
    return fetch(finalUrl, {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
      },
      body: JSON.stringify({
        recipient: { id },
        sender_action: senderAction,
      }),
    })
      .then((response) => response.json());
  }
 
}
 
export default MessengerClient;