Add post statuses admin panel

app/controllers/admin/post_statuses_controller.rb

@@ -0,0 +1,34 @@
+module Admin
+  class PostStatusesController < Admin::ApplicationController
+    # Overwrite any of the RESTful controller actions to implement custom behavior
+    # For example, you may want to send an email after a foo is updated.
+    #
+    # def update
+    #   foo = Foo.find(params[:id])
+    #   foo.update(params[:foo])
+    #   send_foo_updated_email
+    # end
+
+    # Override this method to specify custom lookup behavior.
+    # This will be used to set the resource for the `show`, `edit`, and `update`
+    # actions.
+    #
+    # def find_resource(param)
+    #   Foo.find_by!(slug: param)
+    # end
+
+    # Override this if you have certain roles that require a subset
+    # this will be used to set the records shown on the `index` action.
+    #
+    # def scoped_resource
+    #  if current_user.super_admin?
+    #    resource_class
+    #  else
+    #    resource_class.with_less_stuff
+    #  end
+    # end
+
+    # See https://administrate-prototype.herokuapp.com/customizing_controller_actions
+    # for more information
+  end
+end

app/dashboards/post_status_dashboard.rb

@@ -0,0 +1,64 @@
+require "administrate/base_dashboard"
+
+class PostStatusDashboard < Administrate::BaseDashboard
+  # ATTRIBUTE_TYPES
+  # a hash that describes the type of each of the model's fields.
+  #
+  # Each different type represents an Administrate::Field object,
+  # which determines how the attribute is displayed
+  # on pages throughout the dashboard.
+  ATTRIBUTE_TYPES = {
+    id: Field::Number,
+    name: Field::String,
+    color: ColorField,
+    created_at: Field::DateTime,
+    updated_at: Field::DateTime,
+  }.freeze
+
+  # COLLECTION_ATTRIBUTES
+  # an array of attributes that will be displayed on the model's index page.
+  #
+  # By default, it's limited to four items to reduce clutter on index pages.
+  # Feel free to add, remove, or rearrange items.
+  COLLECTION_ATTRIBUTES = %i[
+  name
+  color
+  ].freeze
+
+  # SHOW_PAGE_ATTRIBUTES
+  # an array of attributes that will be displayed on the model's show page.
+  SHOW_PAGE_ATTRIBUTES = %i[
+  id
+  name
+  color
+  created_at
+  updated_at
+  ].freeze
+
+  # FORM_ATTRIBUTES
+  # an array of attributes that will be displayed
+  # on the model's form (`new` and `edit`) pages.
+  FORM_ATTRIBUTES = %i[
+  name
+  color
+  ].freeze
+
+  # COLLECTION_FILTERS
+  # a hash that defines filters that can be used while searching via the search
+  # field of the dashboard.
+  #
+  # For example to add an option to search for open resources by typing "open:"
+  # in the search field:
+  #
+  #   COLLECTION_FILTERS = {
+  #     open: ->(resources) { where(open: true) }
+  #   }.freeze
+  COLLECTION_FILTERS = {}.freeze
+
+  # Overwrite this method to customize how post statuses are displayed
+  # across all pages of the admin dashboard.
+  #
+  # def display_resource(post_status)
+  #   "PostStatus ##{post_status.id}"
+  # end
+end

app/fields/color_field.rb

@@ -0,0 +1,7 @@
+require "administrate/field/base"
+
+class ColorField < Administrate::Field::Base
+  def to_s
+    data.to_s
+  end
+end

app/views/fields/color_field/_form.html.erb

@@ -0,0 +1,6 @@
+<div class="field-unit__label">
+  <%= f.label field.attribute %>
+</div>
+<div class="field-unit__field">
+  <%= f.color_field field.attribute, style: "height: 40px" %>
+</div>

app/views/fields/color_field/_index.html.erb

@@ -0,0 +1 @@
+<div style="background-color: <%= field.to_s %>; width: 32px; height: 32px; border-radius: 32px;"></div>

app/views/fields/color_field/_show.html.erb

@@ -0,0 +1,2 @@
+<div style="background-color: <%= field.to_s %>; width: 32px; height: 32px; border-radius: 32px;"></div>
+(<%= field.to_s %>)

config/routes.rb

@@ -5,6 +5,7 @@ Rails.application.routes.draw do
     root to: "boards#index"
 
     resources :boards
+    resources :post_statuses
     resources :users
   end
   

spec/requests/admin_panel_spec.rb

@@ -44,4 +44,21 @@ RSpec.describe 'Requests to the admin panel', type: :request do
     get admin_boards_path
     expect(response).to have_http_status(:success)
   end
+
+  it 'requires at least a logged-in moderator to view PostStatuses admin panel' do
+    get admin_post_statuses_path
+    expect(response).to redirect_to(new_user_session_path)
+
+    sign_in user
+    get admin_post_statuses_path
+    expect(response).to redirect_to(root_path)
+
+    sign_in moderator
+    get admin_post_statuses_path
+    expect(response).to have_http_status(:success)
+
+    sign_in admin
+    get admin_post_statuses_path
+    expect(response).to have_http_status(:success)
+  end
 end