Chapter 5

000 - Chapter 5 - Gists

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001- Listing 5.1 A first look at the bootstrap function

/**
 * Bootstrap
 * (sails.config.bootstrap)
 *
 * An asynchronous bootstrap function that runs before your Sails app gets lifted.
 * This gives you an opportunity to set up your data model, run jobs, or perform some special logic.
 *
 * For more information on bootstrapping your app, check out:
 * http://sailsjs.org/#/documentation/reference/sails.config/sails.config.bootstrap.html
 */

module.exports.bootstrap = function(cb) {

  console.log('Hello World!');

  return cb();
};

002 - Listing 5.2 Count the records in the video model

/**
 * Bootstrap
 * (sails.config.bootstrap)
 *
 * An asynchronous bootstrap function that runs before your Sails app gets lifted.
 * This gives you an opportunity to set up your data model, run jobs, or perform some special logic.
 *
 * For more information on bootstrapping your app, check out:
 * http://sailsjs.org/#/documentation/reference/sails.config/sails.config.bootstrap.html
 */

module.exports.bootstrap = function(cb) {

  Video.count().exec(function(err, numVideos) { 
    if (err) {
      return cb(err);                           
    }

    if (numVideos > 0) {                  
      console.log('Number of video records: ', numVideos);
      return cb();                
    }
    // No records in the video model, seed the database.    
    console.log('There are no video records.');     
    return cb();              
  });
};

003 - Listing 5.3 Inserting the example code of the .searchVideos() machine into the bootstrap

/**
 * Bootstrap
 * (sails.config.bootstrap)
 *
 * An asynchronous bootstrap function that runs before your Sails app gets lifted.
 * This gives you an opportunity to set up your data model, run jobs, or perform some special logic.
 *
 * For more information on bootstrapping your app, check out:
 * http://sailsjs.org/#/documentation/reference/sails.config/sails.config.bootstrap.html
 */

module.exports.bootstrap = function(cb) {

  Video.count().exec(function(err, numVideos) {
    if (err) {
      return cb(err);
    }

    if (numVideos > 0) {
      console.log('Existing video records: ', numVideos)
      return cb();
    }
    var Youtube = require('machinepack-youtube');

    // List Youtube videos which match the specified search query.
    Youtube.searchVideos({
      query: 'grumpy cat',
      apiKey: 'AIzaSyDG3ecGW1V6PyF5UYtmR6Jnkl29F_S2alE',
      limit: 15,
    }).exec({
      // An unexpected error occurred.
      error: function(err) {
        console.log('an error: ', err);

      },
      // OK.
      success: function(result) {
        console.log('the result: ', result);

      },
    });
  });
};

006 - Listing 5.6 Handling the exits for the .searchVideos machine

/**
 * Bootstrap
 * (sails.config.bootstrap)
 *
 * An asynchronous bootstrap function that runs before your Sails app gets lifted.
 * This gives you an opportunity to set up your data model, run jobs, or perform some special logic.
 *
 * For more information on bootstrapping your app, check out:
 * http://sailsjs.org/#/documentation/reference/sails.config/sails.config.bootstrap.html
 */

module.exports.bootstrap = function(cb) {

  Video.count().exec(function(err, numVideos) {
    if (err) {
      return cb(err);
    }

    if (numVideos > 0) {
      console.log('Existing video records: ', numVideos)
      return cb();
    }
    var Youtube = require('machinepack-youtube');

    // List Youtube videos which match the specified search query.
    Youtube.searchVideos({
      query: 'grumpy cat',
      apiKey: 'AIzaSyDNuOChtnL1SuidLwFMyicTOq5e-t-MOTU',
      limit: 15,
    }).exec({
      // An unexpected error occurred.
      error: function(err) {
        console.log('an error: ', err);
        return cb(err);

      },
      // OK.
      success: function(foundVideos) {
        console.log('the foundVideos: ', foundVideos);
        return cb();

      },
    });
  });
};

008 - Listing 5.8 Marshalling the returned data from the .searchVideos() machine

/**
 * Bootstrap
 * (sails.config.bootstrap)
 *
 * An asynchronous bootstrap function that runs before your Sails app gets lifted.
 * This gives you an opportunity to set up your data model, run jobs, or perform some special logic.
 *
 * For more information on bootstrapping your app, check out:
 * http://sailsjs.org/#/documentation/reference/sails.config/sails.config.bootstrap.html
 */

module.exports.bootstrap = function(cb) {

  Video.count().exec(function(err, numVideos) {
    if (err) {
      return cb(err);
    }

    if (numVideos > 0) {
      console.log('Existing video records: ', numVideos)
      return cb();
    }
    var Youtube = require('machinepack-youtube');

    // List Youtube videos which match the specified search query.
    Youtube.searchVideos({
      query: 'grumpy cat',
      apiKey: 'AIzaSyDNuOChtnL1SuidLwFMyicTOq5e-t-MOTU',
      limit: 15,
    }).exec({
      // An unexpected error occurred.
      error: function(err) {
        console.log('an error: ', err);
        return cb(err);

      },
      // OK.
      success: function(foundVideos) {
        console.log('the foundVideos: ', foundVideos);

        _.each(foundVideos, function(video) { 
          video.src = 'https://www.youtube.com/embed/' + video.id; 
          delete video.description; 
          delete video.publishedAt; 
          delete video.id; 
          delete video.url; 
        });

        console.log(foundVideos); 
        return cb();

      },
    });
  });
};

010 - Listing 5.10 Creating a record in the database via a video model method.

/**
 * Bootstrap
 * (sails.config.bootstrap)
 *
 * An asynchronous bootstrap function that runs before your Sails app gets lifted.
 * This gives you an opportunity to set up your data model, run jobs, or perform some special logic.
 *
 * For more information on bootstrapping your app, check out:
 * http://sailsjs.org/#/documentation/reference/sails.config/sails.config.bootstrap.html
 */

module.exports.bootstrap = function(cb) {

  Video.count().exec(function(err, numVideos) {
    if (err) {
      return cb(err);
    }

    if (numVideos > 0) {
      console.log('Existing video records: ', numVideos)
      return cb();
    }
    var Youtube = require('machinepack-youtube');

    // List Youtube videos which match the specified search query.
    Youtube.searchVideos({
      query: 'grumpy cat',
      apiKey: 'AIzaSyDNuOChtnL1SuidLwFMyicTOq5e-t-MOTU',
      limit: 15,
    }).exec({
      // An unexpected error occurred.
      error: function(err) {
        console.log('an error: ', err);
        return cb(err);

      },
      // OK.
      success: function(foundVideos) {

        // Transform the incoming foundVideos to match the front end expected format
        _.each(foundVideos, function(video) { 
          video.src = 'https://www.youtube.com/embed/' + video.id; 
          delete video.description; 
          delete video.publishedAt; 
          delete video.id; 
          delete video.url; 
        });

        // Add the transformed video records to the video model
        Video.create(foundVideos).exec(function(err, videoRecordsCreated) {
          if (err) {
            return cb(err);
          }

          console.log(videoRecordsCreated); 
          return cb();
        });
      },
    });
  });
};