1. module node-red-firebase
   1. function node-red-firebase (RED)
   2. object node-red-firebase.status
2. module node-red-firebase.status
   1. function node-red-firebase.status.addListener (node)
   2. function node-red-firebase.status.checkStatus (node)
   3. function node-red-firebase.status.connected (node)
   4. function node-red-firebase.status.connecting (node)
   5. function node-red-firebase.status.error (node, msg)
   6. function node-red-firebase.status.offline (node)

module node-red-firebase

function node-red-firebase (RED)

• description and source-code

  node-red-firebase = function (RED) {
      'use strict';
  
      function sendMessageFromSnapshot(msg, snapshot) {
          msg.href = snapshot.ref().toString();
          msg.payload = snapshot.val();
          this.send(msg);
      }
  
      function FirebaseQuery(n) {
          var Firebase = require('firebase'),
              firebaseStatus = require('./utility/status');
  
          RED.nodes.createNode(this, n);
  
          this.child = n.child;
          this.credentials = RED.nodes.getNode(n.firebaselogin).credentials;
          this.firebasepath = n.firebasepath;
  
          // Status
          firebaseStatus.connecting(this);
  
          // Check credentials
          if (!this.credentials.appid) {
              firebaseStatus.error(this, 'Check credentials! (Query)');
          } else {
              this.firebaseurl = 'https://' + this.credentials.appid + '.firebaseio.com/' + this.firebasepath;
              this.firebase = new Firebase(this.firebaseurl);
  
              // Status
              firebaseStatus.checkStatus(this);
  
              // Add listener
              this.on('input', function (msg) {
                  var childpath = (this.child) ? String(msg[this.child]) : ''; // get path from msg or default to
                  childpath = (childpath.indexOf('/') == 0) ? childpath : '/' + childpath; // make sure the path starts with
                  this.firebase.child(childpath).once('value', sendMessageFromSnapshot.bind(this, msg));
              });
          }
      }
  
      RED.nodes.registerType('firebase query', FirebaseQuery);
  }

• example usage

  n/a

module node-red-firebase.status

function node-red-firebase.status.addListener (node)

• description and source-code

  addListener = function (node) {
  
      var self = this;
  
      global.refFirebase.onAuth(function(authData) {
          if (authData) {
              self.connected(node);
          } else {
              self.error(node);
          }
      });
  
      global.refFirebase.offAuth(function(authData) {
          if (authData) {
              self.connected(node);
          } else {
              self.offline(node);
          }
      });
  }

• example usage

  n/a

function node-red-firebase.status.checkStatus (node)

• description and source-code

  checkStatus = function (node) {
  
      var authData,
          self = this;
  
      node.firebase.onAuth(function(authData) {
          if (authData) {
              self.connected(node);
          } else {
              self.error(node);
          }
      });
  
      node.firebase.offAuth(function(authData) {
          if (authData) {
              self.connected(node);
          } else {
              self.offline(node);
          }
      });
  
      authData = node.firebase.getAuth();
      if (authData) {
          self.connected(node);
      } else {
          self.offline(node);
      }
  }

• example usage

  ...
          if (!this.credentials.appid) {
  firebaseStatus.error(this, 'Check credentials! (Query)');
          } else {
  this.firebaseurl = 'https://' + this.credentials.appid + '.firebaseio.com/' + this.firebasepath;
  this.firebase = new Firebase(this.firebaseurl);
  
  // Status
  firebaseStatus.checkStatus(this);
  
  // Add listener
  this.on('input', function (msg) {
      var childpath = (this.child) ? String(msg[this.child]) : ''; // get path from msg or default to
      childpath = (childpath.indexOf('/') == 0) ? childpath : '/' + childpath; // make sure the path starts with
      this.firebase.child(childpath).once('value', sendMessageFromSnapshot.bind(this, msg));
  });
  ...

function node-red-firebase.status.connected (node)

• description and source-code

  connected = function (node) {
      node.status({
              fill: 'green',
              shape: 'dot',
              text: 'connected'
          }
      );
  }

• example usage

  ...
       */
      addListener: function (node) {
  
  var self = this;
  
  global.refFirebase.onAuth(function(authData) {
      if (authData) {
          self.connected(node);
      } else {
          self.error(node);
      }
  });
  
  global.refFirebase.offAuth(function(authData) {
      if (authData) {
  ...

function node-red-firebase.status.connecting (node)

• description and source-code

  connecting = function (node) {
      node.status({
              fill: 'grey',
              shape: 'ring',
              text: 'connecting'
          }
      );
  }

• example usage

  ...
  RED.nodes.createNode(this, n);
  
  this.child = n.child;
  this.credentials = RED.nodes.getNode(n.firebaselogin).credentials;
  this.firebasepath = n.firebasepath;
  
  // Status
  firebaseStatus.connecting(this);
  
  // Check credentials
  if (!this.credentials.appid) {
      firebaseStatus.error(this, 'Check credentials! (Query)');
  } else {
      this.firebaseurl = 'https://' + this.credentials.appid + '.firebaseio.com/' + this.firebasepath;
      this.firebase = new Firebase(this.firebaseurl);
  ...

function node-red-firebase.status.error (node, msg)

• description and source-code

  error = function (node, msg) {
      node.status({
              fill: 'red',
              shape: 'ring',
              text: msg || 'connection failed'
          }
      );
  }

• example usage

  ...
          this.firebasepath = n.firebasepath;
  
          // Status
          firebaseStatus.connecting(this);
  
          // Check credentials
          if (!this.credentials.appid) {
  firebaseStatus.error(this, 'Check credentials! (Query)');
          } else {
  this.firebaseurl = 'https://' + this.credentials.appid + '.firebaseio.com/' + this.firebasepath;
  this.firebase = new Firebase(this.firebaseurl);
  
  // Status
  firebaseStatus.checkStatus(this);
  ...

function node-red-firebase.status.offline (node)

• description and source-code

  offline = function (node) {
      node.status({
              fill: 'gray',
              shape: 'ring',
              text: 'disconnected'
          }
      );
  }

• example usage

  ...
          }
      });
  
      global.refFirebase.offAuth(function(authData) {
          if (authData) {
              self.connected(node);
          } else {
              self.offline(node);
          }
      });
  },
  
  /**
   * AddEventListener
   *
  ...