jamesmortensen / array.json

Last active May 09, 2014 — forked from bennadel/code-1.js

// Define the Note gateway.
window.NoteGateway = (function( $ ){
 
 
	// I return an initialized component.
	function NoteGateway(){
 
		// Return the initialize object.
		return( this );
 
	}
 
 
	// Define the class methods.
	NoteGateway.prototype = {
 
 
		// I get the note data for the given contact ID.
		getNotesByContactId: function( id ){
 
			// Since the data access for notes is (eventually)
			// going to be asynchronous, we have to define a
			// promise to hold the result.
			var result = $.Deferred();
 
		        $.get('http://localhost:8091/array.json').done(function(data) {
		            result.resolve(data);
		        });
 
			// Return the promise of a result.
			return( result.promise() );
 
		}
 
 
	};
 
 
	// ------------------------------------------------------ //
	// ------------------------------------------------------ //
 
 
	// Return the gateway constructor.
	return( NoteGateway );
 
 
})( jQuery );

// Define the Contact gateway.
window.ContactGateway = (function( $ ){
 
 
	// I return an initialized component.
	function ContactGateway(){
 
		// Return the initialize object.
		return( this );
 
	}
 
 
	// Define the class methods.
	ContactGateway.prototype = {
 
 
		// I get the contact data with the given ID.
		getContactById: function( id ){
 
			// Since the data access for contacts is (eventually)
			// going to be asynchronous, we have to define a
			// promise to hold the result.
			var result = $.Deferred();
 
		        $.get('http://echo.jsontest.com/age/36/name/James/id/5/title/DukeOfHazard').done(function(data) {
		            result.resolve(data);
		        });
 
			// Return the promise of a result.
			return( result.promise() );
 
		}
 
 
	};
 
 
	// ------------------------------------------------------ //
	// ------------------------------------------------------ //
 
 
	// Return the gateway constructor.
	return( ContactGateway );
 
 
})( jQuery );

// Define the Note service.
window.NoteService = (function( $ ){
 
 
	// I return an initialized component.
	function NoteService( noteGateway ){
 
		// Store the gateway.
		this.noteGateway = noteGateway;
 
		// Return the initialize object.
		return( this );
 
	}
 
 
	// Define the class methods.
	NoteService.prototype = {
 
 
		// I get the notes for the given contact.
		getNotesByContactId: function( id ){
 
			// Since the data access for notes is retrieved
			// asynchronously, we have to define a promise object
			// to hold the result.
			var result = $.Deferred();
 
			// Get the data from the note gateway.
			var dataCollection = $.when(
				this.noteGateway.getNotesByContactId( id )
			);
 
			// When the data is retrieved, let's resolve the notes.
			dataCollection.done(
				function( noteData ){
 
					// Resolve the notes promise - just pass through
					// the raw array of string values.
					result.resolve( noteData );
 
				}
			);
 
			// Return the promise of a result.
			return( result.promise() );
 
		}
 
 
	};
 
 
	// ------------------------------------------------------ //
	// ------------------------------------------------------ //
 
 
	// Return the service constructor.
	return( NoteService );
 
 
})( jQuery );

// Define the Contact service.
window.ContactService = (function( $ ){
 
 
	// I return an initialized component.
	function ContactService( contactGateway, noteService ){
 
		// Store the gateway.
		this.contactGateway = contactGateway;
 
		// Store the note service.
		this.noteService = noteService;
 
		// Return the initialize object.
		return( this );
 
	}
 
 
	// Define the class methods.
	ContactService.prototype = {
 
 
		// I get the contact with the given ID.
		getContactById: function( id ){
 
			// Since the data access for contacts is retrieved
			// asynchronously, we have to define a promise object
			// to hold the result.
			var result = $.Deferred();
 
			// Get the contact data from the contact gateway and
			// the note data from the note service.
			var dataCollection = $.when(
				this.contactGateway.getContactById( id ),
				this.noteService.getNotesByContactId( id )
			);
 
			// When the data is retrieved, let's resolve the contact.
			dataCollection.done(
				function( contactData, notes ){
 
					// For this demo, we'll create a simple Contact
					// object rather than a true domain entity.
					var contact = {
						id: contactData.id,
						name: contactData.name,
						title: contactData.title,
						age: contactData.age
					};
 
					// Now, append the notes that we got from the
					// note service.
					contact.notes = notes;
 
					// Resolve the contact promise.
					result.resolve( contact );
 
				}
			);
 
			// Return the promise of a result.
			return( result.promise() );
 
		}
 
 
	};
 
 
	// ------------------------------------------------------ //
	// ------------------------------------------------------ //
 
 
	// Return the service constructor.
	return( ContactService );
 
 
})( jQuery );

// Get the contact data from the contact gateway and
// the note data from the note service.
var dataCollection = $.when(
	this.contactGateway.getContactById( id ),
	this.noteService.getNotesByContactId( id )
);