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EmberJS 2 route dynamic segment in not nested routes undefined

Really new to ember and trying to setup basic (in my mind) routes.
I have calendars resource and I want to display individual calendars.
My app/router.js has the following:
this.route('calendar', {path: 'calendars/:calendar_id'}, function () {
this.route('show');
this.route('edit');
});
this.route('calendars', function(){
this.route('create');
});
Folders are as following:
app/routes: [
calendars: [create, index],
calendar: [edit, show]
]
app/templates: [
calendars: [create, index]
calendar: [edit, show]
]
In app/routes/calendar/show.js:
import Ember from 'ember';
export default Ember.Route.extend({
model(params) {
return this.store.findRecord('calendar', params.calendar_id);
}
});
Problems start when I go to http://SERVER/calendars/5/show (5 is a :calendar_id part, SERVER is what hosts ember app) :
when I log params - they are undefined
In dev tools I see that Ember somehow makes a POST request to my server as http://SERVER/calendars/5
(a :calendar_id part, SERVER is on same domain and where my back-end resides).
This happens regardless if I comment out model() function in app/routes/calendar/show.js file.
Apparently Ember knows what calendar_id to use for that request.
But I don't know where that call to the server happens:
If I comment out model(){} altogether, my template renders model record (the calendar record that Ember fetches).
If I on the other hand try to log params in model() and I comment out this.store.findRecord part out, the params are undefined and it raises an error.
I thought at first that it is my DS.RESTAdapter since I have defined updateRecord changes to fake PUT request (my server does not allow that), but I commented out the whole file and it still does this query.
I've cleaned both dist/, tmp/, upgraded to 2.9.0, but it does the same thing.
I have no controllers defined
How does Ember make POST request if model() hook is missing from route, I have no controllers difined. Also how do I fix it so that it works? ;p
Edit [2]:
I am trying this now and I think it kinda works, but looks ugly:
this.route('calendars',{ path: '/calendars'}, function(){
this.route('create');
});
this.route('calendar', { path: '/' }, function () {
this.route('show', { path: '/calendars/:calendar_id/show' });
this.route('edit', { path: '/calendars/:calendar_id/edit' });
});
this.route('index', { path: ''});

Ember is smart enough to generate a default route if you do not create one, and a default model if you do not create a model function.
It does this based on the routes name ie if your route is "calendar" it generates a model function based on the "calendar" model.
Try explicitly define your route path with the parameters as per ember docs:
https://guides.emberjs.com/v2.9.0/routing/defining-your-routes/
this.route('calendar', function () {
this.route('show', { path: '/:calendar_id/show' });
this.route('edit', { path: '/:calendar_id/edit' });
this.route('create');
});

require.js loop in marionette app

I'm starting a marionette app and I try to structure it. So now I have:
define(["marionette", "handlebars", "routes"], function(Marionette, Handlebars, Route){
var App = new Marionette.Application();
...
App.addRegions({
header: "#header_region",
...
});
App.addInitializer(function(options){
...
new Route();
Backbone.history.start();
});
return App;
});
and my routes looks like:
define(["marionette", "app", "header/view"], function(Marionette, App, headerView){
var Route = Backbone.Marionette.AppRouter.extend({
routes : {
'' : 'home'
},
home: function(){
var header_view = new headerView();
App.header.show(header_view);
...
}
});
return Route;
});
Obviously I have a loop in dependencies here with App.header.show(header_view). What is the common way to solve it? How do you structure your Marionette app?

This was a great example that helped to get me going when building my first Marionette App: https://github.com/BoilerplateMVC/Marionette-Require-Boilerplate/tree/master/public/js/app
The way you currently have your route file set up is the backbone way of doing it. You should create a Marionette Controller that will respond to the App routes.
Also, you'll see that this person creates init files to specify all of the start up logic (specifying global static variables and instantiating the controller and router to be used).
Hope this helps!

Backbone.history.start issue? root param produce no effect

I'm trying to change default root through backbone.history.start
So, i'm starting with:
router.js
router = Backbone.Router.extend({
routes: {
'' : 'home'
},
home:function(){
console.log("home");
}
});
app.js
var app = Backbone.View.extend({
initialize: function(options)
{
var AppRouter = new router();
Backbone.history.start({pushState: true,root: "/home"});
}
});
So, after this example, if i trigger
mydomain.com/
will fire up "home"
My main page is entirely served by server side.
ie:
mydomain.com/
after successful login, user is redirected to mydomain.com/home which should be prepared and render by client side.
So, i just want set my root to mydomain/home and not mydomain/ which is default to backbone.history.start
am i missing something?
Backbone.history.start({pushState: true,root: "/home"})
fired up always in this two cases

Emberjs Router with requirejs

When building a relatively large application, how should I define my router? More specifically, if using requirejs I have the following code:
main.js
define('application',['routes/app_router'], function(router){
return Ember.Appcliation.create(
LOG_TRANSITIONS:true,
...
});
requirejs('application',function(application){
var App = window.App = application;
...
}
and in the routes/ I have app_router.js
define('app_router',['ember'],function(){
...
});
So should I pass an app to my app_router to set the App.Router.map... method or should I return a Ember.Router.map(...)? If the first variant is chosen then for sure, the dependencies change.
In other words, should I create an "empty" Ember.Application and pass it to the router so it can define the App.Route.map(... method, since it has reference to this, like this.route\this.resource..., or should I invoke Ember.Router.create() then invoke the map function on it, then return this from the module and set it to App.Router = router.

So should I pass an app to my app_router to set the App.Router.map... method or should I return a Ember.Router.map(...)? If the first variant is chosen then for sure, the dependencies change.
I'd go with the 2nd variant.
In other words, should I create an "empty" Ember.Application and pass it to the router so it can define the App.Route.map(... method, since it has reference to this, like this.route\this.resource..., or should I invoke Ember.Router.create() then invoke the map function on it, then return this from the module and set it to App.Router = router.
Neither. You should let ember create the router itself. All your code should be doing is calling App.Router's map fx. I'm no require.js expert, but something like this should work:
//Define a fx that specifies your applications routes
define('routes',['ember'], function(){
return function() {
this.route("about");
}
});
// Pass that custom routes fx to App.Router.map before routing begins
define('application',['routes'], function(routes){
return Ember.Application.create({
LOG_TRANSITIONS: true,
ready: function() {
this.Router.map(routes);
}
});
Here's a jsfiddle showing the basic concept, without require.js of course.

Where do I put the code to bootstrap a collection into backbone.js?

I am new to javascript and I saw another post with a similar question but I'm not sure how to actually inject models into a backbone.js that lives in a separate file.
In my index file I have the following which is starting the app:
$(function () {
var app = new App();
Backbone.history.start();
});
Inside my application.js file I have the router which needs to have customers:
window.App = Backbone.Router.extend({
routes: {
"": "home"
},
home: function () {
console.log("route::home");
console.log(this.customers);
}
});
How can I actually get this.customers to be injected into the application? Where does this code live?

I wrote an article that outlines how code like what you've shown here is potentially an anti-pattern, and illustrates a simple way of getting the data bootstrapped. Though your direct question is not the purpose of this article, I think the contents of this article should lead you in a direction that does solve the problem your running in to.
http://lostechies.com/derickbailey/2011/08/30/dont-limit-your-backbone-apps-to-backbone-constructs/