Merge pull request #338 from howtohireme/196-stack-model

(#196) add stack model and data migration

app/models/skill.rb

@@ -7,6 +7,8 @@ class Skill < ApplicationRecord
   has_many :user_skills
   has_many :users, through: :user_skills
   has_many :developer_test_tasks, class_name: 'Developer::TestTask'
+  has_many :stack_skills
+  has_many :stacks, through: :stack_skills
 
   include AASM
 

app/models/stack.rb

@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+# It group of skills, that are required for project staffing.
+class Stack < ApplicationRecord
+  has_many :stack_skills
+  has_many :skills, through: :stack_skills
+
+  validates :name, presence: true
+  validates :identifier, presence: true, uniqueness: true
+end

app/models/stack_skill.rb

@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+# This model is designed to stroe links between skill and stack
+class StackSkill < ApplicationRecord
+  belongs_to :skill
+  belongs_to :stack
+end

app/models/user_skill.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-# This model is designed to store links between user and skilll
+# This model is designed to store links between user and skill
 class UserSkill < ApplicationRecord
   belongs_to :skill
   belongs_to :user

data/skills.yml

@@ -2,9 +2,9 @@
 - Ruby
 - Java
 - Clojure
-- JavaScript
+- Front-end
 - Python
-- ".Net"
+- '.Net'
 - Design
 - Project Management
 - Quality Assurance

db/data/20180723180541_add_stack_to_production.rb

@@ -0,0 +1,8 @@
+class AddStackToProduction < ActiveRecord::Migration[5.2]
+  def change
+    stack = Stack.create!(name: 'Rails monolith', identifier: 'rails_monolith')
+    Skill.where(title: %w[Ruby Front-end]).each do |skill|
+      stack.skills << skill
+    end
+  end
+end

db/data_schema.rb

@@ -1,2 +1,2 @@
 
-DataMigrate::Data.define(version: 20180707131445)
+DataMigrate::Data.define(version: 20180723180541)

db/migrate/20180723172036_create_stacks.rb

@@ -0,0 +1,12 @@
+class CreateStacks < ActiveRecord::Migration[5.2]
+  def change
+    create_table :stacks do |t|
+      t.string :name, null: false
+      t.string :identifier, null: false
+
+      t.timestamps
+    end
+
+    add_index :stacks, :identifier
+  end
+end

db/migrate/20180723173209_create_stack_skills.rb

@@ -0,0 +1,10 @@
+class CreateStackSkills < ActiveRecord::Migration[5.2]
+  def change
+    create_table :stack_skills do |t|
+      t.references :stack, foreign_key: true
+      t.references :skill, foreign_key: true
+
+      t.timestamps
+    end
+  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: 2018_07_21_092152) do
+ActiveRecord::Schema.define(version: 2018_07_23_173209) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -107,13 +107,40 @@
     t.index ["slug"], name: "index_projects_on_slug"
   end
 
+  create_table "roles", force: :cascade do |t|
+    t.string "name"
+    t.string "resource_type"
+    t.bigint "resource_id"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["name", "resource_type", "resource_id"], name: "index_roles_on_name_and_resource_type_and_resource_id"
+    t.index ["resource_type", "resource_id"], name: "index_roles_on_resource_type_and_resource_id"
+  end
+
   create_table "skills", force: :cascade do |t|
     t.string "title", null: false
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
     t.string "state"
   end
 
+  create_table "stack_skills", force: :cascade do |t|
+    t.bigint "stack_id"
+    t.bigint "skill_id"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["skill_id"], name: "index_stack_skills_on_skill_id"
+    t.index ["stack_id"], name: "index_stack_skills_on_stack_id"
+  end
+
+  create_table "stacks", force: :cascade do |t|
+    t.string "name", null: false
+    t.string "identifier", null: false
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["identifier"], name: "index_stacks_on_identifier"
+  end
+
   create_table "user_skills", force: :cascade do |t|
     t.boolean "primary", default: false
     t.bigint "skill_id"
@@ -159,6 +186,8 @@
     t.index ["user_id"], name: "index_votes_on_user_id"
   end
 
+  add_foreign_key "stack_skills", "skills"
+  add_foreign_key "stack_skills", "stacks"
   add_foreign_key "user_skills", "skills"
   add_foreign_key "user_skills", "users"
 end

db/seeds.rb

@@ -35,3 +35,8 @@
   user.add_role Developer::Wizard::ProfileForm::ROLES.sample
   UserSkill.create!(user: user, skill: Skill.all.sample, primary: true)
 end
+
+stack = Stack.create!(name: 'Rails monolith', identifier: 'rails_monolith')
+Skill.where(title: %w[Ruby Front-end]).each do |skill|
+  stack.skills << skill
+end

spec/factories/stack_skills.rb

@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+
+FactoryBot.define do
+  factory :stack_skill do
+    skill { create(:skill) }
+    stack { create(:stack) }
+  end
+end

spec/factories/stacks.rb

@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+
+FactoryBot.define do
+  factory :stack do
+    name { Faker::App.author }
+    identifier { Faker::App.name }
+  end
+end

spec/models/stack_skill_spec.rb

@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe StackSkill, type: :model do
+  describe 'relations' do
+    it { is_expected.to belong_to :skill }
+    it { is_expected.to belong_to :stack }
+  end
+end

spec/models/stack_spec.rb

@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+RSpec.describe Stack, type: :model do
+  subject(:stack) { create(:stack) }
+
+  describe 'validations' do
+    it { is_expected.to validate_presence_of :name }
+    it { is_expected.to validate_presence_of :identifier }
+    it { is_expected.to validate_uniqueness_of :identifier }
+  end
+
+  describe 'relations' do
+    it { is_expected.to have_many :skills }
+    it { is_expected.to have_many :stack_skills }
+  end
+end