added visibility property to dataviews

app/controllers/data_views_controller.rb

@@ -38,11 +38,11 @@ class DataViewsController < ApplicationController
   private
 
   def data_view_params
-    params.permit(:name, :description, :image, :redux_json)
+    params.permit(:name, :description, :visibility, :image, :redux_json)
   end
 
   def updatable_data_view_params
-    params.permit(:name, :description)
+    params.permit(:name, :description, :visibility)
   end
 
   def set_data_view

app/models/data_view.rb

@@ -10,6 +10,9 @@ class DataView < ApplicationRecord
 
   #---Validations-----
   validates :name, :presence => true
+  TYPES = %w(public private hidden)
+  validates :visibility, :inclusion => {:in => TYPES}
+
 
   #return all DataViews that can be loaded by this user
   def self.find_viewable(user)
@@ -18,14 +21,20 @@ class DataView < ApplicationRecord
     nilms = r[:admin]+r[:owner]+r[:viewer]
     #find all DataViewsNilms that are not allowed
     prohibited = DataViewsNilm.where.not(nilm_id: nilms.pluck(:id))
+
     #find the *other* DataViewsNilms (allowed)
     allowed_ids = DataViewsNilm.where.not(id: prohibited.pluck(:id))
       .pluck(:data_view_id).uniq
-    DataView.find(allowed_ids)
+    #find all visible data views
+    visible_ids = DataView.where(owner: user).
+      or(DataView.where(visibility: 'public')).
+      pluck(:id)
+    #permitted views must be both visible and allowed
+    DataView.where(id: allowed_ids&visible_ids)
   end
 
   def self.json_keys
-    [:id, :name, :description, :image, :redux_json]
+    [:id, :name, :description, :image, :redux_json, :visibility]
   end
 
 end

app/services/data/load_stream_data.rb

@@ -69,6 +69,7 @@ class LoadStreamData
       @data = __build_decimated_data(decimateable_elements, resp) +
               __build_intervals_from_decimated_data(interval_elements, resp)
     end
+    self
   end
 
   #===Description

app/views/db_streams/data.csv.erb

@@ -9,23 +9,28 @@
 # total time:        <%=distance_of_time_in_words(@legend[:end_time]/1e6-@legend[:start_time]/1e6)%>
 # total rows:        <%=@legend[:num_rows]%>
 # decimation factor: <%=@legend[:decimation_factor]%>
+# notes:             <%=@legend[:notes]%>
+# legend:
+<%@legend[:columns].each do |col|%>
+#                    Column <%=col[:index]%>: <%=col[:name]%> (<%=col[:units]%>)
+<%end%>
+#
+# --------- MATLAB INSTRUCTIONS ------------
 #
 # this file can be loaded directly into MATLAB
 #
-# 	dataset = importdata('thisfilename.csv')
+#   >> x = importdata('~/Downloads/filename.csv')
+#   x =
+#       data: [1737x15 double] % the data
+#   textdata: {41x1 cell}      % this help text
 #
-# dataset.textdata: this help text
-# dataset.data:     the data
+# --------- NILMTOOL INSTRUCTIONS ----------
 #
 # raw data can be accessed using nilmtool, run:
-# nilmtool -u <%=@db.url%> extract -s @<%=@legend[:start_time]%> -e @<%=@legend[:end_time]%> <%=@db_stream.path%>
 #
-# <%=@legend[:notes]%>
-#  ----------- LEGEND ---------------
-<%@legend[:columns].each do |col|%>
-# Column <%=col[:index]%>: <%=col[:name]%> (<%=col[:units]%>)
-<%end%>
-# -----------------------------------
+# $> nilmtool -u <%=@db.url%> extract -s @<%=@legend[:start_time]%> -e @<%=@legend[:end_time]%> <%=@db_stream.path%>
+#
+# ------------------------------------------
 #
 <% @data.each do |row|%>
 <%= row.join(", ")%>

db/migrate/20170524005258_add_visibility_to_data_views.rb

+class AddVisibilityToDataViews < ActiveRecord::Migration[5.1]
+  def change
+    add_column :data_views, :visibility, :string
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20170512013633) do
+ActiveRecord::Schema.define(version: 20170524005258) do
 
   create_table "data_views", force: :cascade do |t|
     t.integer "user_id"
@@ -20,6 +20,7 @@ ActiveRecord::Schema.define(version: 20170512013633) do
     t.text "redux_json"
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
+    t.string "visibility"
   end
 
   create_table "data_views_nilms", force: :cascade do |t|

spec/controllers/data_views_controller_spec.rb

@@ -17,25 +17,24 @@ RSpec.describe DataViewsController, type: :request do
         other_stream = create(:db_stream, db: other_db)
         other_user = create(:user)
         service = CreateDataView.new
-        allowed_view = service.run(
-          {name: 'allowed'}, [viewed_streams.first.id], other_user)
-        prohibited_view = service.run(
-          {name: 'prohibited'}, [other_stream.id], other_user)
-        my_view = service.run(
-          {name: 'created'}, viewed_streams.map{|x| x.id}, viewer)
+        service.run(
+          {name: 'allowed', visibility: 'public'}, [viewed_streams.first.id], other_user)
+        service.run(
+          {name: 'prohibited', visibility: 'public'}, [other_stream.id], other_user)
+        service.run(
+          {name: 'private', visibility: 'private'}, [viewed_streams.first.id], other_user)
+        service.run(
+          {name: 'my_public', visibility: 'public'}, viewed_streams.map{|x| x.id}, viewer)
+        service.run(
+          {name: 'my_private', visibility: 'private'}, viewed_streams.map{|x| x.id}, viewer)
+
         #viewer should receive 'allowed' and 'created'
         @auth_headers = viewer.create_new_auth_token
         get "/data_views.json", headers: @auth_headers
         expect(response).to have_http_status(:ok)
         body = JSON.parse(response.body)
-        expect(body.length).to eq 2
-        body.each do |view|
-          if view['name']=='created'
-            expect(view['owner']).to be true
-          else
-            expect(view['owner']).to be false
-          end
-        end
+        names = body.map {|view| view['name']}
+        expect(names).to contain_exactly('allowed','my_public','my_private')
       end
     end
     context 'without sign-in' do
@@ -53,7 +52,7 @@ RSpec.describe DataViewsController, type: :request do
         post "/data_views.json",
           params: {
             name: 'test', description: '', image: '', redux_json: '',
-            stream_ids: viewed_streams.map {|x| x.id}
+             visibility: 'public', stream_ids: viewed_streams.map {|x| x.id}
           }, headers: @auth_headers
         expect(response).to have_http_status(:ok)
         expect(response).to have_notice_message
@@ -66,7 +65,7 @@ RSpec.describe DataViewsController, type: :request do
         post "/data_views.json",
           params: {
             description: 'missing name', image: '', redux_json: '',
-            stream_ids: viewed_streams.map {|x| x.id}
+            visibility: 'public', stream_ids: viewed_streams.map {|x| x.id}
           }, headers: @auth_headers
         expect(response).to have_http_status(:unprocessable_entity)
         expect(response).to have_error_message
@@ -84,7 +83,7 @@ RSpec.describe DataViewsController, type: :request do
     before do
       service = CreateDataView.new
       service.run(
-        {name: 'created'}, viewed_streams.map{|x| x.id}, viewer)
+        {name: 'created', visibility: 'public'}, viewed_streams.map{|x| x.id}, viewer)
       @my_view = service.data_view
     end
     context 'with view owner' do

spec/factories/data_views.rb

@@ -2,6 +2,7 @@ FactoryGirl.define do
   factory :data_view do
     name { Faker::Lorem.words(3).join(' ') }
     description { Faker::Lorem.sentence }
+    visibility "public"
     redux_json "auto generated from factory"
   end
 end

spec/models/data_view_spec.rb

@@ -8,6 +8,7 @@ RSpec.describe DataView, type: :model do
   specify { expect(data_view).to respond_to(:redux_json) }
   specify { expect(data_view).to respond_to(:owner) }
   specify { expect(data_view).to respond_to(:nilms) }
+  specify { expect(data_view).to respond_to(:visibility) }
 
   it 'is deleted when nilm is destroyed' do
       nilm1 = create(:nilm)

spec/services/data_view/create_data_view_spec.rb

@@ -13,6 +13,7 @@ describe 'CreateDataView service' do
   it 'creates a dataview' do
     params = {
       name: 'test',
+      visibility: 'public',
       description: '',
       image: '',
       redux_json: ''}