loopback/lib/application.js

123 lines
2.1 KiB
JavaScript

/**
* Module dependencies.
*/
var DataSource = require('loopback-datasource-juggler').DataSource
, ModelBuilder = require('loopback-datasource-juggler').ModelBuilder
, assert = require('assert')
, RemoteObjects = require('strong-remoting')
, swagger = require('strong-remoting/ext/swagger');
/**
* Export the app prototype.
*/
var app = exports = module.exports = {};
/**
* Create a set of remote objects.
*/
app.remotes = function () {
if(this._remotes) {
return this._remotes;
} else {
return (this._remotes = RemoteObjects.create());
}
}
/**
* Remove a route by reference.
*/
app.disuse = function (route) {
if(this.stack) {
for (var i = 0; i < this.stack.length; i++) {
if(this.stack[i].route === route) {
this.stack.splice(i, 1);
}
}
}
}
/**
* App models.
*/
app._models = [];
/**
* Expose a model.
*
* @param Model {Model}
*/
app.model = function (Model) {
this.remotes().exports[Model.pluralModelName] = Model;
this._models.push(Model);
Model.shared = true;
Model.app = this;
Model.emit('attached', this);
}
/**
* Get all exposed models.
*/
app.models = function () {
return this._models;
}
/**
* Get all remote objects.
*/
app.remoteObjects = function () {
var result = {};
var models = this.models();
// add in models
models.forEach(function (ModelCtor) {
// only add shared models
if(ModelCtor.shared && typeof ModelCtor.sharedCtor === 'function') {
result[ModelCtor.pluralModelName] = ModelCtor;
}
});
return result;
}
/**
* Get the apps set of remote objects.
*/
app.remotes = function () {
return this._remotes || (this._remotes = RemoteObjects.create());
}
/**
* Enable documentation
*/
app.docs = function (options) {
var remotes = this.remotes();
swagger(remotes, options);
}
/*!
* Get a handler of the specified type from the handler cache.
*/
app.handler = function (type) {
var handlers = this._handlers || (this._handlers = {});
if(handlers[type]) {
return handlers[type];
}
var remotes = this.remotes();
var handler = this._handlers[type] = remotes.handler(type);
return handler;
}