Firebase SDK javascript write examples

senel-bbs-firebase-write.js

var database = firebase.database();

//var channel = new Channel('First Channel', 'First Channel Description', '#myfirstchannel', 'true', 'hQcWCU0smxVUNNDf9YHMl5f65sr1');
//var channel2 = new Channel('Second Channel', 'Second Channel Description', '#mysecondchannel', 'true', 'hQcWCU0smxVUNNDf9YHMl5f65sr1');
var user = new User('Mike', 'mike@example.com');

var userId = createUser(user);
var channel = new Channel(user.displayName + '\'s Channel', 'Channel Description', '#' + user.displayName + 'channel', 'true', userId);
saveChannel(channel);




function saveChannel(channel) {

 // Get a key for a new Post.
  var newChannelKey = database.child('channels').push().key;

  var myChannels = {};
  myChannels[newChannelKey] = true;

  // Write the new post's data simultaneously in the channels list and the user's myChannels list.
  var updates = {};
  updates['/channels/' + newChannelKey] = channel;
  updates['/users/' + channel.ownerId + '/myChannels'] = myChannels;

  database().ref().update(updates)  
  .then(function() {
    console.log('Synchronization succeeded');
  })
  .catch(function(error) {
    console.log('Synchronization failed');
  });;

}



saveUser(user) {

	var userListRef = database.ref('users').push();
	userListRef.set(user)  
	  .then(function() {
	    console.log('Synchronization succeeded');
	  })
	  .catch(function(error) {
	    console.log('Synchronization failed');
	 });;

	return userListRef.key;
}



function Channel(title, description, hashtag, type, ownerId) {
  this.title = title;
  this.description = description;
  this.hashtag = hashtag;
  this.public = type;
  this.ownerId = ownerId;
}


function User(displayName, email) {
  this.displayName = displayName;
  this.email = email;
}