initial copy commit

app/assets/config/dunlop_ember_manifest.js

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+//= link_directory ../javascripts/dunlop/ember .js
+//= link_directory ../stylesheets/dunlop/ember .css

app/assets/javascripts/dunlop/ember/application.js

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+// This is a manifest file that'll be compiled into application.js, which will include all the files
+// listed below.
+//
+// Any JavaScript/Coffee file within this directory, lib/assets/javascripts, vendor/assets/javascripts,
+// or any plugin's vendor/assets/javascripts directory can be referenced here using a relative path.
+//
+// It's not advisable to add code directly here, but if you do, it'll appear at the bottom of the
+// compiled file. JavaScript code in this file should be added after the last require_* statement.
+//
+// Read Sprockets README (https://github.com/rails/sprockets#sprockets-directives) for details
+// about supported directives.
+//
+//= require_tree .

app/assets/stylesheets/dunlop/ember/application.css

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+/*
+ * This is a manifest file that'll be compiled into application.css, which will include all the files
+ * listed below.
+ *
+ * Any CSS and SCSS file within this directory, lib/assets/stylesheets, vendor/assets/stylesheets,
+ * or any plugin's vendor/assets/stylesheets directory can be referenced here using a relative path.
+ *
+ * You're free to add application-wide styles to this file and they'll appear at the bottom of the
+ * compiled file so the styles you add here take precedence over styles defined in any other CSS/SCSS
+ * files in this directory. Styles in this file should be added after the last require_* statement.
+ * It is generally better to create a new file per style scope.
+ *
+ *= require_tree .
+ *= require_self
+ */

app/controllers/dunlop/ember/application_controller.rb

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+module Dunlop
+  module Ember
+    class ApplicationController < ActionController::Base
+      protect_from_forgery with: :exception
+      before_action :authenticate_user_from_token!
+      before_action :authenticate_user!
+
+      def ember_path
+        app_globals = {}
+        if adapter_name = params[:adapter].to_s.scan(/\w+/).first.presence
+          app_index = Rails.root.join("public/adapters/#{adapter_name}/app/index.html")
+          return render text: 'unauthorized, no adapter engine', status: 403 unless adapter = Panda.adapters[adapter_name]
+          #app_globals = adapter.settings # load through request instead. More stable then changing environments
+          unless Rails.application.config.try(:loose_ember_app_authorization)
+            return render text: 'unauthorized, no adapter engine', status: 403 unless current_user.admin? or authorize!(:read, adapter.engine)
+          end
+        else
+          app_index = Rails.root.join('public/app/index.html')
+        end
+        Rails.logger.info "Loading ember app for path '#/#{params[:rest]}' adapter: '#{params[:adapter].presence || 'main_app'}'"
+        if app_index.exist?
+          index_html = app_index.read.to_s
+          app_globals[:flash] = flash.to_h if flash.present?
+          index_html.sub! 'app_globals={}', "app_globals=#{app_globals.to_json}" if app_globals.present?
+          render html: index_html.html_safe
+        else
+          render html: "App file <tt>#{app_index}</tt> not found".html_safe
+        end
+      end
+
+      rescue_from CanCan::AccessDenied do
+        if request.format.json?
+          head 403
+        else
+          render 'application/403', status: 403
+        end
+      end
+
+      private
+
+      def authenticate_user_from_token!
+        # https://romulomachado.github.io/2015/09/28/using-ember-simple-auth-with-devise.html
+        authenticate_with_http_token do |token, options|
+          user_email = options[:email].presence
+          user = user_email && User.find_by_email(user_email)
+
+          if user && Devise.secure_compare(user.authentication_token, token)
+            sign_in user, store: false
+          end
+        end
+      end
+    end
+  end
+end

app/controllers/dunlop/ember/sessions_controller.rb

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+class Dunlop::Ember::SessionsController < Devise::SessionsController
+  #respond_to :json
+  skip_before_action :verify_authenticity_token, if: :json_request?, raise: false
+
+  #https://www.devmynd.com/blog/2014-7-rails-ember-js-with-the-ember-cli-redux-part-1-the-api-and-cms-with-ruby-on-rails/
+  def create
+    if json_request?
+      super do |user|
+        data = {
+          token: user.authentication_token,
+          email: user.email,
+          user_id: user.id
+        }
+        render json: data, status: 201 and return
+      end
+    else
+      super
+    end
+  end
+
+  protected
+
+  def json_request?
+    request.format.json?
+  end
+end
+

app/controllers/dunlop/ember/users_controller.rb

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+module Dunlop::Ember
+  class UsersController < Dunlop::Ember::ApplicationController
+    def me
+      if respond_to?(:current_user) and current_user.present?
+        user = current_user
+        sign_out user # no more current_user, needed to allow sign_in using store: true to work (devise v4.3.0)
+        sign_in user, store: true # create session if not exist, only needed for hybrid rails/api integrations like ePOTS. Otherwise api only without store is sufficient
+        #sign_in current_user, store: true # create session if not exist, only needed for hybrid rails/api integrations like ePOTS. Otherwise api only without store is sufficient
+        #warden.set_user current_user, store: true
+        render json: current_user, serializer: UserSerializer
+      else
+        head 404
+      end
+    end
+  end
+end

app/helpers/dunlop/ember/application_helper.rb

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+module Dunlop
+  module Ember
+    module ApplicationHelper
+    end
+  end
+end

app/jobs/dunlop/ember/application_job.rb

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+module Dunlop
+  module Ember
+    class ApplicationJob < ActiveJob::Base
+    end
+  end
+end

app/mailers/dunlop/ember/application_mailer.rb

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+module Dunlop
+  module Ember
+    class ApplicationMailer < ActionMailer::Base
+      default from: 'from@example.com'
+      layout 'mailer'
+    end
+  end
+end

app/services/flat_keys.rb

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+# Transform a nested tructure indicated by dots to a structure as used by the ActiveRecord includes statement
+#   - dslams
+#   - ppls.distribution_cables
+# =>
+#   [:dslams, {ppls: :distribution_cables}]
+class FlatKeys
+  class << self
+
+    def as_nested_structure(ary)
+      return ary unless ary.first.is_a?(String)
+      nested_keys, flat_keys = ary.partition{|spec| spec['.']}
+      result = flat_keys.map(&:to_sym)
+      if nested_keys.any?
+        obj = {}
+        nested_keys.map{ |key| key.split('.').map(&:to_sym) }.each do |parts|
+          traverse_nest_structure(parts, obj)
+        end
+        result.push obj
+      end
+      result
+    end
+
+    def traverse_nest_structure(parts, obj)
+      key = parts.shift
+      if parts.size == 1
+        case obj[key]
+        when nil then obj[key] = parts[0]
+        when Array then obj[key] |= [parts[0]]
+        when Hash
+          raise "Colliding keys for nesting of #{key} -> #{parts[0]}" unless obj[key].has_key?(parts[0])
+        else # expect symbol
+          obj[key] = Array.wrap(obj[key]).push parts[0] unless obj[key] == parts[0] # no duplicate
+        end
+      else # parts.size > 2
+        case obj[key]
+        when nil
+          obj[key] = {}
+          traverse_nest_structure(parts, obj[key])
+        when Array
+          raise "Cannot traverse #{key} -> #{parts.join('.')} because existing array value #{obj[key].inspect}"
+        when Hash
+          traverse_nest_structure(parts, obj[key])
+        else # expect symbol
+          raise "Cannot add deeper nesting for endpoing with different name #{key} -> #{obj[key]} => #{parts.join('.')}" unless obj[key] = parts[0] # same name, allows deeper nesting
+          obj[key] = {obj[key] => nil} # prepare for nesting
+          traverse_nest_structure(parts, obj[key])
+        end
+      end
+    end
+  end
+end

app/views/dunlop/ember/application/ember_path.html.slim

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+h3
+  span Could not find
+  tt= '/app/index.html'
+  span file

app/views/layouts/dunlop/ember/application.html.erb

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+<!DOCTYPE html>
+<html>
+<head>
+  <title>Dunlop ember</title>
+  <%= stylesheet_link_tag    "dunlop/ember/application", media: "all" %>
+  <%= javascript_include_tag "dunlop/ember/application" %>
+  <%= csrf_meta_tags %>
+</head>
+<body>
+
+<%= yield %>
+
+</body>
+</html>