finished migration to jbuilder, added controller specs for all db objects

Gemfile

@@ -36,6 +36,7 @@ gem 'httparty'
 gem 'rack-cors'
 gem 'devise_token_auth'
 gem 'omniauth'
+gem 'oj'  # fast json
 
 group :development, :test do
   # Call 'byebug' anywhere in the code to stop execution and get a debugger console

Gemfile.lock

@@ -168,6 +168,7 @@ GEM
     notiffany (0.1.1)
       nenv (~> 0.1)
       shellany (~> 0.0)
+    oj (2.18.1)
     omniauth (1.3.2)
       hashie (>= 1.2, < 4)
       rack (>= 1.0, < 3)
@@ -327,6 +328,7 @@ DEPENDENCIES
   httparty
   jbuilder (~> 2.0)
   jquery-rails
+  oj
   omniauth
   rack-cors
   rails (= 5.0.1)

app/controllers/db_folders_controller.rb

@@ -26,7 +26,7 @@ class DbFoldersController < ApplicationController
   end
 
   def set_folder
-    @db_folder = DbFolder.find(params[:id])
+    @db_folder = DbFolder.includes(:db_streams).find(params[:id])
     @db = @db_folder.db
     @nilm = @db.nilm
   end

app/controllers/db_streams_controller.rb

@@ -24,7 +24,7 @@ class DbStreamsController < ApplicationController
   end
 
   def set_stream
-    @db_stream = DbStream.find(params[:id])
+    @db_stream = DbStream.includes(:db_elements).find(params[:id])
     @db = @db_stream.db
     @nilm = @db.nilm
   end

app/controllers/dbs_controller.rb

@@ -7,12 +7,9 @@ class DbsController < ApplicationController
   before_action :authorize_viewer, only: [:show]
   before_action :authorize_owner, only: [:update]
 
-  # GET /dbs
   # GET /dbs.json
-  def show
-  end
+  def show; end
 
-  # PATCH/PUT /dbs/1
   # PATCH/PUT /dbs/1.json
   def update
     @service = StubService.new
@@ -37,20 +34,23 @@ class DbsController < ApplicationController
   def refresh
     adapter = DbAdapter.new(@db.url)
     service = UpdateDb.new(db: @db)
-      return service.run(adapter.dbinfo, adapter.schema)
+    service.run(adapter.dbinfo, adapter.schema)
   end
 
   def db_params
     params.permit(:url, :max_points_per_plot)
   end
+
   def set_db
     @db = Db.find(params[:id])
     @nilm = @db.nilm
   end
-    #authorization based on nilms
+
+  # authorization based on nilms
   def authorize_owner
     head :unauthorized  unless current_user.owns_nilm?(@nilm)
   end
+
   def authorize_viewer
     head :unauthorized  unless current_user.views_nilm?(@nilm)
   end

app/models/db.rb

@@ -22,9 +22,8 @@ class Db < ApplicationRecord
     "#{nilm.url}/nilmdb"
   end
 
-  # def as_json(options = {})
-  #  db = super(except: [:created_at, :updated_at])
-  #  db[:contents] = root_folder.as_json({shallow: false})
-  #  db
-  # end
+  def self.json_keys
+    [:id, :url, :size_total, :size_db, :available,
+     :size_other, :version, :max_points_per_plot]
+  end
 end

app/models/db_element.rb

@@ -7,7 +7,7 @@ class DbElement < ApplicationRecord
 
   validates :name, presence: true
   validates :name, uniqueness: { scope: :db_stream_id,
-    message: ' is already used in this stream'}
+                                 message: ' is already used in this stream' }
 
   validates :scale_factor, presence: true, numericality: true
   validates :scale_factor, presence: true, numericality: true
@@ -17,15 +17,16 @@ class DbElement < ApplicationRecord
   # force set any validated params to acceptable
   # default values this allows us to process corrupt databases
   def use_default_attributes
-    self.name = "element#{self.column}"
-    self.units = ""
+    self.name = "element#{column}"
+    self.units = ''
     self.default_min = nil
     self.default_max = nil
     self.scale_factor = 1.0
     self.offset = 0.0
   end
 
-  def as_json(_options = {})
-    super(except: [:created_at, :updated_at])
+  def self.json_keys
+    [:id, :name, :units, :column, :default_max, :discrete,
+     :default_min, :scale_factor, :offset, :plottable]
   end
 end

app/models/db_folder.rb

@@ -47,12 +47,8 @@ class DbFolder < ApplicationRecord
     self.description = ''
   end
 
-  def as_json(options = {shallow: true})
-    folder = super(except: [:created_at, :updated_at])
-    if(options[:shallow]== false)
-      folder[:subfolders] = subfolders.map(&:as_json)
-      folder[:streams] = db_streams.includes(:db_elements,:db_decimations).map(&:as_json)
-    end
-    folder
+  def self.json_keys
+    [:id, :name, :description, :path, :hidden,
+     :start_time, :end_time, :size_on_disk]
   end
 end

app/models/db_stream.rb

@@ -52,11 +52,10 @@ class DbStream < ApplicationRecord
     self.description = ''
   end
 
-
-  def as_json(_options = {})
-    stream = super(except: [:created_at, :updated_at])
-    stream[:elements] = db_elements.map(&:as_json)
-    stream[:decimations] = db_decimations.map(&:as_json)
-    stream
+  def self.json_keys
+    [:id, :name, :description, :path, :start_time,
+     :end_time, :size_on_disk, :total_rows, :total_time,
+     :data_type, :name_abbrev, :delete_locked, :hidden]
   end
+
 end

app/views/db_folders/_db_folder.json.jbuilder

-json.extract! db_folder, :id, :name, :description, :path, :hidden,
-                         :start_time, :end_time, :size_on_disk
-json.shallow shallow
-unless(shallow)
-  json.subfolders do
-    json.array! db_folder.subfolders, partial: 'db_folders/db_folder',
-                as: :db_folder, shallow: true
-  end
-  json.streams do
-    json.array! db_folder.db_streams, partial: 'db_streams/db_stream',
-                as: :db_stream
+json.extract! db_folder, *DbFolder.json_keys
+
+json.subfolders(db_folder.subfolders) do |folder|
+  json.extract! folder, *DbFolder.json_keys
+end
+
+json.streams(db_folder.db_streams.includes(:db_elements)) do |stream|
+  json.extract! stream, *DbStream.json_keys
+  json.elements(stream.db_elements) do |element|
+    json.extract! element, *DbElement.json_keys
   end
 end

app/views/db_folders/show.json.jbuilder

-json.partial! "db_folders/db_folder", db_folder: @db_folder, shallow: false
+# frozen_string_literal: true
+json.partial! 'db_folders/db_folder',
+              db_folder: @db_folder

app/views/db_folders/update.json.jbuilder

 json.data do
-  json.partial! "db_folders/db_folder", db_folder: @db_folder, shallow: false
+  json.partial! "db_folders/db_folder", db_folder: @db_folder
 end
 
 json.partial! "helpers/messages", service: @service

app/views/db_streams/_db_element.json.jbuilder

-json.extract! db_element, :id, :name, :units, :column, :default_max,
-                          :default_min, :scale_factor, :offset, :plottable,
-                          :discrete 

app/views/db_streams/_db_stream.json.jbuilder

 
 # frozen_string_literal: true
-json.extract! db_stream, :id, :name, :description, :path, :start_time,
-              :end_time, :size_on_disk, :total_rows, :total_time,
-              :data_type, :name_abbrev, :delete_locked, :hidden
+json.extract! db_stream, *DbStream.json_keys
 
-json.elements do
-  json.array! db_stream.db_elements,
-              partial: 'db_streams/db_element',
-              as: :db_element
+json.elements(db_stream.db_elements) do |element|
+  json.extract! element, *DbElement.json_keys
 end

app/views/dbs/_db.json.jbuilder

-json.extract! db, :id, :url, :size_total, :size_db,
-                  :size_other, :version, :max_points_per_plot,
-                  :available
+json.extract! db, *Db.json_keys
+
 json.contents do
-  json.partial! "db_folders/db_folder", db_folder: @db.root_folder,
-                                        shallow: false
+  root = db.root_folder
+  json.extract! root, *DbFolder.json_keys
+
+  json.subfolders(root.subfolders) do |folder|
+    json.extract! folder, *DbFolder.json_keys
+  end
+
+  json.streams(root.db_streams) do |stream|
+    json.extract! stream, *DbStream.json_keys
+    json.elements(stream.db_elements) do |element|
+      json.extract! element, *DbElement.json_keys
+    end
+  end
+
 end

app/views/nilms/_nilm.json.jbuilder

 json.extract! nilm, :id, :name, :description, :url
+json.db_id nilm.db.id
 json.available nilm.db.available

spec/controllers/db_folders_controller_spec.rb

@@ -35,8 +35,6 @@ RSpec.describe DbFoldersController, type: :request do
           expect(response.header['Content-Type']).to include('application/json')
           body = JSON.parse(response.body)
           expect(body['name']).to eq(folder.name)
-          # contains rendered streams & subfolders (empty, but present)
-          expect(body['shallow']).to be(false)
         end
       end
     end

spec/controllers/dbs_controller_spec.rb

@@ -97,7 +97,7 @@ RSpec.describe DbsController, type: :request do
         expect(john_nilm.db.max_points_per_plot).to eq(num_points+10)
       end
     end
-    context 'without admin permissions' do
+    context 'without owner permissions' do
       it 'returns unauthorized' do
         @auth_headers = john.create_new_auth_token
         num_points = pete_nilm.db.max_points_per_plot