feat: ✨ List tasks (#4)

app/adapters/controllers/tasks_controller.rb

@@ -14,6 +14,11 @@ def create
     end
   end
 
+  def index
+    posts = ListTasks.new(TaskRepository.new).execute
+    render json: posts
+  end
+
   private
 
   def task_params

app/core/use_cases/tasks/list_tasks.rb

@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+
+# List Tasks use case
+class ListTasks
+  def initialize(repository)
+    @repository = repository
+  end
+
+  def execute
+    @repository.all
+  end
+end

app/models/task.rb

@@ -3,4 +3,5 @@
 # Task model
 class Task < ApplicationRecord
   validates :title, presence: true
+  belongs_to :user
 end

config/routes.rb

@@ -16,4 +16,5 @@
 
   get 'me', to: 'auth#current_user'
   post 'task', to: 'tasks#create'
+  get 'task', to: 'tasks#index'
 end

spec/factories/tasks.rb

@@ -2,8 +2,9 @@
 
 FactoryBot.define do
   factory :task do
-    title { 'My Task' }
+    sequence(:title) { |n| "Task #{n}" }
     description { 'Task description' }
-    status { 1 }
+    status { 0 }
+    association :user, factory: :user
   end
-end
+end

spec/factories/users.rb

@@ -2,10 +2,10 @@
 
 FactoryBot.define do
   factory :user do
-    email { 'test@example.com' }
+    sequence(:email) { |n| Faker::Internet.email.gsub('@', "-#{n}@") }
     password { 'password' }
     password_confirmation { 'password' }
     first_name { 'L' }
     last_name { 'M' }
   end
-end
+end

spec/requests/tasks_spec.rb

@@ -51,5 +51,63 @@
         end
       end
     end
+
+    get 'Get tasks' do
+      tags 'Tasks'
+      consumes 'application/json'
+      produces 'application/json'
+      security [bearer_auth: []]
+
+      response '200', 'list tasks' do
+        let(:token) { token_scopes('public manage') }
+
+        let(:Authorization) { "Bearer #{token.token}" }
+        before do
+          create_list(:task, 5)
+        end
+
+        schema type: :array,
+               items: {
+                 type: :object,
+                 properties: {
+                   id: { type: :integer },
+                   title: { type: :string },
+                   description: { type: :string },
+                   user_id: { type: :integer },
+                   created_at: { type: :string, format: :datetime },
+                   updated_at: { type: :string, format: :datetime },
+                   status: { type: :integer }
+                 }
+               }
+
+        run_test! do
+          expect(JSON.parse(response.body).size).to eq(5)
+        end
+      end
+
+      response '200', 'zero records' do
+        let(:token) { token_scopes('public manage') }
+        let(:Authorization) { "Bearer #{token.token}" }
+
+        schema type: :array,
+               items: {
+                 type: :object,
+                 properties: {
+                   id: { type: :integer },
+                   title: { type: :string },
+                   description: { type: :string },
+                   user_id: { type: :integer },
+                   created_at: { type: :string, format: :datetime },
+                   updated_at: { type: :string, format: :datetime },
+                   status: { type: :integer }
+                 }
+               }
+
+        let(:posts) { create_list(:task, 5) }
+        run_test! do
+          expect(JSON.parse(response.body).size).to eq(0)
+        end
+      end
+    end
   end
-end
+end

spec/use_cases/tasks/list_tasks_spec.rb

@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe ListTasks do
+  let(:list_tasks) { described_class.new(repository) }
+
+  let(:repository) { TaskRepository.new }
+
+  describe '#execute' do
+    it 'returns tasks from the repository' do
+      tasks = create_list(:task, 3)
+
+      expect(list_tasks.execute).to match_array(tasks)
+    end
+
+    it 'returns all tasks from the repository' do
+      create_list(:task, 3)
+
+      expect(list_tasks.execute.size).to eq(3)
+    end
+  end
+end