Upload the calculator logo

app/controllers/account/calculators_controller.rb

@@ -10,7 +10,7 @@ def index
   end
 
   def show
-    # TODO: fill it
+    @calculator = resource
   end
 
   def new
@@ -81,7 +81,7 @@ def collect_fields_for_kind(kind)
 
   def calculator_params
     params.require(:calculator).permit(
-      :id, :en_name, :uk_name,
+      :id, :en_name, :uk_name, :logo_picture,
       formulas_attributes: [:id, :expression, :en_label, :uk_label, :calculator_id, :en_unit, :uk_unit, :_destroy],
       fields_attributes: [:id, :en_label, :uk_label, :var_name, :kind, :_destroy,
         categories_attributes: [:id, :en_name, :uk_name, :price, :_destroy]]

app/models/calculator.rb

@@ -23,7 +23,9 @@ class Calculator < ApplicationRecord
   friendly_id :en_name, use: :sequentially_slugged
 
   translates :name
+  attribute :logo_placeholder, :string, default: "https://via.placeholder.com/428x307?text=Logo"
 
+  has_one_attached :logo_picture
   has_many :fields, dependent: :destroy
   has_many :formulas, dependent: :destroy
 

app/views/account/calculators/partials/_form.html.erb

@@ -5,6 +5,8 @@
         <legend class="admin-legend">Calculator</legend>
         <%= f.input :en_name, label: "Calculator Name:", class: 'form-control' %>
         <%= f.input :uk_name, label: "Uk Calculator Name:", class: 'form-control' %>
+        <%= f.label :logo_picture, "Upload logo:", class: "form-label d-block" %>
+        <%= f.file_field :logo_picture, accept: "image/jpeg, image/png", class: "file-input mb-3" %>
       </fieldset>
 
       <!-- formula input-->

app/views/account/calculators/show.html.erb

@@ -14,6 +14,8 @@
     <p class="font-bold"> <%= @calculator.slug %> </p>
   </div>
 
+  <%= render "calculators/partials/logo_picture", calculator: @calculator %>
+
   <div class="showpage-buttons">
     <%= link_to t('.edit'), 
                 edit_account_calculator_path(@calculator.slug, locale: I18n.locale), 

app/views/calculators/partials/_logo_picture.html.erb

@@ -0,0 +1,5 @@
+<% if @calculator.logo_picture.attached? %>
+  <%= image_tag(@calculator.logo_picture.variant(resize_to_fill: [428, 307])) %>
+<% else %>
+  <%= image_tag(@calculator.logo_placeholder) %>
+<% end %>

db/schema.rb

@@ -133,6 +133,7 @@
     t.bigint "calculator_id", null: false
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
+    t.integer "priority", default: 0, null: false
     t.index ["calculator_id"], name: "index_formulas_on_calculator_id"
   end
 

spec/models/calculator_spec.rb

@@ -19,8 +19,7 @@
 
 RSpec.describe Calculator, type: :model do
   let(:local_prefix_calculator) { "activerecord.errors.models.calculator.attributes" }
-
-  subject { build(:calculator) }
+  let(:calculator) { build(:calculator) }
 
   describe "validations" do
     it { is_expected.to validate_presence_of(:en_name) }
@@ -31,7 +30,14 @@
   end
 
   describe "associations" do
+    it { is_expected.to have_one_attached(:logo_picture) }
     it { is_expected.to have_many(:fields).dependent(:destroy) }
     it { is_expected.to have_many(:formulas).dependent(:destroy) }
   end
+
+  describe "logo_placeholder attribute" do
+    it "has a default value" do
+      expect(calculator.logo_placeholder).to eq("https://via.placeholder.com/428x307?text=Logo")
+    end
+  end
 end

spec/requests/account/calculators_spec.rb

@@ -42,6 +42,17 @@
     end
   end
 
+  describe "GET #show" do
+    include_context :in_local_environment
+
+    it "renders the calculator template" do
+      get account_calculator_path(slug: calculator.slug)
+
+      expect(response).to be_successful
+      expect(response).to render_template(:show)
+    end
+  end
+
   describe "GET #new" do
     subject { get new_path }