معاينة الروابط

/**
 * Responds to messages that have links whose URLs match URL patterns
 * configured for link previewing.
 *
 * @param {Object} req Request sent from Google Chat.
 * @param {Object} res Response to send back.
 */
exports.onMessage = (req, res) => {
  if (req.method === 'GET' || !req.body.message) {
    return res.send(
      'Hello! This function is meant to be used in a Google Chat Space.');
  }

  // Checks for the presence of event.message.matchedUrl and responds with a
  // text message if present
  if (req.body.message.matchedUrl) {
    return res.json({
      'text': 'req.body.message.matchedUrl.url: ' +
        req.body.message.matchedUrl.url,
    });
  }

  // If the Chat app doesn’t detect a link preview URL pattern, it says so.
  return res.json({'text': 'No matchedUrl detected.'});
};

/**
 * Responds to messages that have links whose URLs match URL patterns
 * configured for link previewing.
 *
 * @param {Object} event The event object from Chat API.
 *
 * @return {Object} Response from the Chat app attached to the message with
 * the previewed link.
 */
function onMessage(event) {
  // Checks for the presence of event.message.matchedUrl and responds with a
  // text message if present
  if (event.message.matchedUrl) {
    return {
      'text': 'event.message.matchedUrl.url: ' + event.message.matchedUrl.url,
    };
  }

  // If the Chat app doesn’t detect a link preview URL pattern, it says so.
  return {'text': 'No matchedUrl detected.'};
}

/**
 * Responds to messages that have links whose URLs match URL patterns
 * configured for link previewing.
 *
 * @param {Object} req Request sent from Google Chat.
 * @param {Object} res Response to send back.
 */
exports.onMessage = (req, res) => {
  if (req.method === 'GET' || !req.body.message) {
    return res.send(
      'Hello! This function is meant to be used in a Google Chat Space.');
  }

  // Checks for the presence of event.message.matchedUrl and attaches a card
  // if present
  if (req.body.message.matchedUrl) {
    return res.json({
      'actionResponse': {'type': 'UPDATE_USER_MESSAGE_CARDS'},
      'cardsV2': [
        {
          'cardId': 'attachCard',
          'card': {
            'header': {
              'title': 'Example Customer Service Case',
              'subtitle': 'Case basics',
            },
            'sections': [
              {
                'widgets': [
                  {'keyValue': {'topLabel': 'Case ID', 'content': 'case123'}},
                  {'keyValue': {'topLabel': 'Assignee', 'content': 'Charlie'}},
                  {'keyValue': {'topLabel': 'Status', 'content': 'Open'}},
                  {
                    'keyValue': {
                      'topLabel': 'Subject', 'content': 'It won"t turn on...',
                    }
                  },
                ],
              },
              {
                'widgets': [
                  {
                    'buttons': [
                      {
                        'textButton': {
                          'text': 'OPEN CASE',
                          'onClick': {
                            'openLink': {
                              'url': 'https://support.example.com/orders/case123',
                            },
                          },
                        },
                      },
                      {
                        'textButton': {
                          'text': 'RESOLVE CASE',
                          'onClick': {
                            'openLink': {
                              'url': 'https://support.example.com/orders/case123?resolved=y',
                            },
                          },
                        },
                      },
                      {
                        'textButton': {
                          'text': 'ASSIGN TO ME',
                          'onClick': {
                            'action': {
                              'actionMethodName': 'assign',
                            },
                          },
                        },
                      },
                    ],
                  },
                ],
              },
            ],
          },
        },
      ],
    });
  }

  // If the Chat app doesn’t detect a link preview URL pattern, it says so.
  return res.json({'text': 'No matchedUrl detected.'});
};

/**
 * Responds to messages that have links whose URLs match URL patterns
 * configured for link previewing.
 *
 * @param {Object} event The event object from Chat API.
 * @return {Object} Response from the Chat app attached to the message with
 * the previewed link.
 */
function onMessage(event) {
  // Checks for the presence of event.message.matchedUrl and attaches a card
  // if present
  if (event.message.matchedUrl) {
    return {
      'actionResponse': {
        'type': 'UPDATE_USER_MESSAGE_CARDS',
      },
      'cardsV2': [{
        'cardId': 'attachCard',
        'card': {
          'header': {
            'title': 'Example Customer Service Case',
            'subtitle': 'Case basics',
          },
          'sections': [{
            'widgets': [
              {'keyValue': {'topLabel': 'Case ID', 'content': 'case123'}},
              {'keyValue': {'topLabel': 'Assignee', 'content': 'Charlie'}},
              {'keyValue': {'topLabel': 'Status', 'content': 'Open'}},
              {
                'keyValue': {
                  'topLabel': 'Subject', 'content': 'It won\'t turn on...',
                },
              },
            ],
          },
          {
            'widgets': [{
              'buttons': [
                {
                  'textButton': {
                    'text': 'OPEN CASE',
                    'onClick': {
                      'openLink': {
                        'url': 'https://support.example.com/orders/case123',
                      },
                    },
                  },
                },
                {
                  'textButton': {
                    'text': 'RESOLVE CASE',
                    'onClick': {
                      'openLink': {
                        'url': 'https://support.example.com/orders/case123?resolved=y',
                      },
                    },
                  },
                },
                {
                  'textButton': {
                    'text': 'ASSIGN TO ME',
                    'onClick': {'action': {'actionMethodName': 'assign'}},
                  },
                },
              ],
            }],
          }],
        },
      }],
    };
  }

  // If the Chat app doesn’t detect a link preview URL pattern, it says so.
  return {'text': 'No matchedUrl detected.'};
}

/**
 * Responds to messages that have links whose URLs match URL patterns
 * configured for link previewing.
 *
 * @param {Object} req Request sent from Google Chat.
 * @param {Object} res Response to send back.
 */
exports.onMessage = (req, res) => {
  if (req.method === 'GET' || !req.body.message) {
    return res.send(
      'Hello! This function is meant to be used in a Google Chat Space.');
  }

  // Respond to button clicks on attached cards
  if (req.body.type === 'CARD_CLICKED') {
    // Checks for the presence of "actionMethodName": "assign" and sets
    // actionResponse.type to "UPDATE_USER"MESSAGE_CARDS" if present or
    // "UPDATE_MESSAGE" if absent.
    const actionResponseType = req.body.action.actionMethodName === 'assign' ?
      'UPDATE_USER_MESSAGE_CARDS' :
      'UPDATE_MESSAGE';

    if (req.body.action.actionMethodName === 'assign') {
      return res.json({
        'actionResponse': {

          // Dynamically returns the correct actionResponse type.
          'type': actionResponseType,
        },

        // Preview card details
        'cardsV2': [{}],
      });
    }
  }
};

/**
 * Updates a card that was attached to a message with a previewed link.
 *
 * @param {Object} event The event object from Chat API.
 * @return {Object} Response from the Chat app. Either a new card attached to
 * the message with the previewed link, or an update to an existing card.
 */
function onCardClick(event) {
  // Checks for the presence of "actionMethodName": "assign" and sets
  // actionResponse.type to "UPDATE_USER"MESSAGE_CARDS" if present or
  // "UPDATE_MESSAGE" if absent.
  const actionResponseType = event.action.actionMethodName === 'assign' ?
    'UPDATE_USER_MESSAGE_CARDS' :
    'UPDATE_MESSAGE';

  if (event.action.actionMethodName === 'assign') {
    return assignCase(actionResponseType);
  }
}

/**
 * Updates a card to say that "You" are the assignee after clicking the Assign
 * to Me button.
 *
 * @param {String} actionResponseType Which actionResponse the Chat app should
 * use to update the attached card based on who created the message.
 * @return {Object} Response from the Chat app. Updates the card attached to
 * the message with the previewed link.
 */
function assignCase(actionResponseType) {
  return {
    'actionResponse': {

      // Dynamically returns the correct actionResponse type.
      'type': actionResponseType,
    },
    // Preview card details
    'cardsV2': [{}],
  };
}

/**
 * Responds to messages that have links whose URLs match URL patterns
 * configured for link previewing.
 *
 * @param {Object} req Request sent from Google Chat.
 * @param {Object} res Response to send back.
 */
exports.onMessage = (req, res) => {
  if (req.method === 'GET' || !req.body.message) {
    return res.send(
      'Hello! This function is meant to be used in a Google Chat Space.');
  }

  // Respond to button clicks on attached cards
  if (req.body.type === 'CARD_CLICKED') {
    // Checks whether the message event originated from a human or a Chat app
    // and sets actionResponse.type to "UPDATE_USER_MESSAGE_CARDS if human or
    // "UPDATE_MESSAGE" if Chat app.
    const actionResponseType = req.body.action.actionMethodName === 'HUMAN' ?
      'UPDATE_USER_MESSAGE_CARDS' :
      'UPDATE_MESSAGE';

    return res.json({
      'actionResponse': {

        // Dynamically returns the correct actionResponse type.
        'type': actionResponseType,
      },

      // Preview card details
      'cardsV2': [{}],
    });
  }
};

/**
 * Updates a card that was attached to a message with a previewed link.
 *
 * @param {Object} event The event object from Chat API.
 * @return {Object} Response from the Chat app. Either a new card attached to
 * the message with the previewed link, or an update to an existing card.
 */
function onCardClick(event) {
  // Checks whether the message event originated from a human or a Chat app
  // and sets actionResponse.type to "UPDATE_USER_MESSAGE_CARDS if human or
  // "UPDATE_MESSAGE" if Chat app.
  const actionResponseType = event.message.sender.type === 'HUMAN' ?
    'UPDATE_USER_MESSAGE_CARDS' :
    'UPDATE_MESSAGE';

  return assignCase(actionResponseType);
}

/**
 * Updates a card to say that "You" are the assignee after clicking the Assign
 * to Me button.
 *
 * @param {String} actionResponseType Which actionResponse the Chat app should
 * use to update the attached card based on who created the message.
 * @return {Object} Response from the Chat app. Updates the card attached to
 * the message with the previewed link.
 */
function assignCase(actionResponseType) {
  return {
    'actionResponse': {

      // Dynamically returns the correct actionResponse type.
      'type': actionResponseType,
    },
    // Preview card details
    'cardsV2': [{}],
  };
}

/**
 * Responds to messages that have links whose URLs match URL patterns
 * configured for link previewing.
 *
 * @param {Object} req Request sent from Google Chat.
 * @param {Object} res Response to send back.
 */
exports.onMessage = (req, res) => {
  if (req.method === 'GET' || !req.body.message) {
    return res.send(
      'Hello! This function is meant to be used in a Google Chat Space.');
  }

  // Respond to button clicks on attached cards
  if (req.body.type === 'CARD_CLICKED') {
    // Checks whether the message event originated from a human or a Chat app
    // and sets actionResponse.type to "UPDATE_USER_MESSAGE_CARDS if human or
    // "UPDATE_MESSAGE" if Chat app.
    const actionResponseType = req.body.action.actionMethodName === 'HUMAN' ?
      'UPDATE_USER_MESSAGE_CARDS' :
      'UPDATE_MESSAGE';

    if (req.body.action.actionMethodName === 'assign') {
      return res.json(createMessage(actionResponseType, 'You'));
    }
  }

  // Checks for the presence of event.message.matchedUrl and attaches a card
  // if present
  if (req.body.message.matchedUrl) {
    return res.json(createMessage());
  }

  // If the Chat app doesn’t detect a link preview URL pattern, it says so.
  return res.json({'text': 'No matchedUrl detected.'});
};

/**
 * Message to create a card with the correct response type and assignee.
 *
 * @param {string} actionResponseType
 * @param {string} assignee
 * @return {Object} a card with URL preview
 */
function createMessage(
  actionResponseType = 'UPDATE_USER_MESSAGE_CARDS',
  assignee = 'Charlie'
) {
  return {
    'actionResponse': {'type': actionResponseType},
    'cardsV2': [
      {
        'cardId': 'previewLink',
        'card': {
          'header': {
            'title': 'Example Customer Service Case',
            'subtitle': 'Case basics',
          },
          'sections': [
            {
              'widgets': [
                {'keyValue': {'topLabel': 'Case ID', 'content': 'case123'}},
                {'keyValue': {'topLabel': 'Assignee', 'content': assignee}},
                {'keyValue': {'topLabel': 'Status', 'content': 'Open'}},
                {
                  'keyValue': {
                    'topLabel': 'Subject', 'content': 'It won"t turn on...',
                  },
                },
              ],
            },
            {
              'widgets': [
                {
                  'buttons': [
                    {
                      'textButton': {
                        'text': 'OPEN CASE',
                        'onClick': {
                          'openLink': {
                            'url': 'https://support.example.com/orders/case123',
                          },
                        },
                      },
                    },
                    {
                      'textButton': {
                        'text': 'RESOLVE CASE',
                        'onClick': {
                          'openLink': {
                            'url': 'https://support.example.com/orders/case123?resolved=y',
                          },
                        },
                      },
                    },
                    {
                      'textButton': {
                        'text': 'ASSIGN TO ME',
                        'onClick': {
                          'action': {
                            'actionMethodName': 'assign',
                          },
                        },
                      },
                    },
                  ],
                },
              ],
            },
          ],
        }
      },
    ],
  };
}

/**
 * Responds to messages that have links whose URLs match URL patterns
 * configured for link previews.
 *
 * @param {Object} event The event object from Chat API.
 * @return {Object} Response from the Chat app attached to the message with
 * the previewed link.
 */
function onMessage(event) {
  // Checks for the presence of event.message.matchedUrl and attaches a card
  // if present
  if (event.message.matchedUrl) {
    return {
      'actionResponse': {
        'type': 'UPDATE_USER_MESSAGE_CARDS',
      },
      'cardsV2': [{
        'cardId': 'previewLink',
        'card': {
          'header': {
            'title': 'Example Customer Service Case',
            'subtitle': 'Case basics',
          },
          'sections': [{
            'widgets': [
              {'keyValue': {'topLabel': 'Case ID', 'content': 'case123'}},
              {'keyValue': {'topLabel': 'Assignee', 'content': 'Charlie'}},
              {'keyValue': {'topLabel': 'Status', 'content': 'Open'}},
              {
                'keyValue': {
                  'topLabel': 'Subject', 'content': 'It won\'t turn on...',
                }
              },
            ],
          },
          {
            'widgets': [{
              'buttons': [
                {
                  'textButton': {
                    'text': 'OPEN CASE',
                    'onClick': {
                      'openLink': {
                        'url': 'https://support.example.com/orders/case123',
                      },
                    },
                  },
                },
                {
                  'textButton': {
                    'text': 'RESOLVE CASE',
                    'onClick': {
                      'openLink': {
                        'url': 'https://support.example.com/orders/case123?resolved=y',
                      },
                    },
                  },
                },
                {
                  'textButton': {
                    'text': 'ASSIGN TO ME',
                    'onClick': {'action': {'actionMethodName': 'assign'}}
                  },
                },
              ],
            }],
          }],
        },
      }],
    };
  }

  // If the Chat app doesn’t detect a link preview URL pattern, it says so.
  return {'text': 'No matchedUrl detected.'};
}

/**
 * Updates a card that was attached to a message with a previewed link.
 *
 * @param {Object} event The event object from Chat API.
 * @return {Object} Response from the Chat app. Either a new card attached to
 * the message with the previewed link, or an update to an existing card.
 */
function onCardClick(event) {
  // Checks whether the message event originated from a human or a Chat app
  // and sets actionResponse to "UPDATE_USER_MESSAGE_CARDS if human or
  // "UPDATE_MESSAGE" if Chat app.
  const actionResponseType = event.message.sender.type === 'HUMAN' ?
    'UPDATE_USER_MESSAGE_CARDS' :
    'UPDATE_MESSAGE';

  // To respond to the correct button, checks the button's actionMethodName.
  if (event.action.actionMethodName === 'assign') {
    return assignCase(actionResponseType);
  }
}

/**
 * Updates a card to say that "You" are the assignee after clicking the Assign
 * to Me button.
 *
 * @param {String} actionResponseType Which actionResponse the Chat app should
 * use to update the attached card based on who created the message.
 * @return {Object} Response from the Chat app. Updates the card attached to
 * the message with the previewed link.
 */
function assignCase(actionResponseType) {
  return {
    'actionResponse': {

      // Dynamically returns the correct actionResponse type.
      'type': actionResponseType,
    },
    'cardsV2': [{
      'cardId': 'assignCase',
      'card': {
        'header': {
          'title': 'Example Customer Service Case',
          'subtitle': 'Case basics',
        },
        'sections': [{
          'widgets': [
            {'keyValue': {'topLabel': 'Case ID', 'content': 'case123'}},
            {'keyValue': {'topLabel': 'Assignee', 'content': 'You'}},
            {'keyValue': {'topLabel': 'Status', 'content': 'Open'}},
            {
              'keyValue': {
                'topLabel': 'Subject', 'content': 'It won\'t turn on...',
              }
            },
          ],
        },
        {
          'widgets': [{
            'buttons': [
              {
                'textButton': {
                  'text': 'OPEN CASE',
                  'onClick': {
                    'openLink': {
                      'url': 'https://support.example.com/orders/case123',
                    },
                  },
                },
              },
              {
                'textButton': {
                  'text': 'RESOLVE CASE',
                  'onClick': {
                    'openLink': {
                      'url': 'https://support.example.com/orders/case123?resolved=y',
                    },
                  },
                },
              },
              {
                'textButton': {
                  'text': 'ASSIGN TO ME',
                  'onClick': {'action': {'actionMethodName': 'assign'}},
                },
              },
            ],
          }],
        }],
      },
    }],
  };
}