New Twiddle

components.app-settings.js

import Ember from 'ember';

const Grouped = Ember.ArrayProxy.extend({
});

export default Ember.Component.extend({
  groupedSettings: Ember.computed('appSettings.[]', function() {
    let appSettings = this.appSettings;
    return appSettings.reduce((iter, curr) => {
      let existingGroup      
      iter.some((item) => {
        let found = item.findBy('oauth_applications_id', curr.oauth_applications_id);
        if (found) {
          existingGroup = item;
          return true
        }
      })
      if (existingGroup) {
        existingGroup.pushObject(curr)
      } else {      
	      iter.pushObject(Grouped.create({
          content: Ember.makeArray(curr),
          oauth_applications_id: curr.oauth_applications_id
        }))
      }
      return iter;
    }, [])
  })
});

components.grouped-app-settings.js

import Ember from 'ember';

export default Ember.Component.extend({
  label: Ember.computed('groupedSetting', {
    get() {
      // should be computed based on channel
      return 'All boo'
    }
  }),
  
  isGrouped: Ember.computed('groupedSetting.[]', {
    get() {
      return this.get('groupedSetting.length') > 1
    }
  })
});

controllers.application.js

import Ember from 'ember';

const data = { "app_settings": [{ "id": 82, "account_id": 4, "channel_id": 4, "default_sales_ledger_account_id": "7", "default_shipping_revenue_ledger_account_id": null, "oauth_applications_id": 6 }, { "id": 79, "account_id": 4, "channel_id": 3, "default_sales_ledger_account_id": null, "default_shipping_revenue_ledger_account_id": null, "oauth_applications_id": 5 }, { "id": 78, "account_id": 4, "channel_id": 3, "default_sales_ledger_account_id": "7", "default_shipping_revenue_ledger_account_id": "7", "oauth_applications_id": 4 }, { "id": 75, "account_id": 4, "channel_id": 2, "default_sales_ledger_account_id": null, "default_shipping_revenue_ledger_account_id": "1", "oauth_applications_id": 5 }, { "id": 74, "account_id": 4, "channel_id": 2, "default_sales_ledger_account_id": "1", "default_shipping_revenue_ledger_account_id": null, "oauth_applications_id": 4 }, { "id": 73, "account_id": 4, "channel_id": null, "default_sales_ledger_account_id": null, "default_shipping_revenue_ledger_account_id": "1", "oauth_applications_id": 34 }] }

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  data: data,
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}

{{app-settings appSettings=data.app_settings}}
<br>
<br>

templates.components.app-settings.hbs

{{#each groupedSettings as |groupedSetting|}}
	{{grouped-app-settings groupedSetting=groupedSetting}}
{{/each}}

templates.components.grouped-app-settings.hbs

<h1>{{label}}</h1>
<input checked={{isGrouped}} type="checkbox" />

{{#if isGrouped}}
	{{!grouped-channel-setting onLedgerChange=(action "bulkSetLedger")}}
{{else}}
	{{!channel-setting}}
{{/if}}

twiddle.json

{
  "version": "0.15.0",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.js",
    "ember": "3.2.2",
    "ember-template-compiler": "3.2.2",
    "ember-testing": "3.2.2"
  },
  "addons": {
    "ember-data": "3.2.0"
  }
}