Add PostStatus model

app/models/post_status.rb

@@ -0,0 +1,4 @@
+class PostStatus < ApplicationRecord
+  validates :name, presence: true, uniqueness: true
+  validates :color, format: { with: /\A#(?:[0-9a-fA-F]{3}){1,2}\z/ }
+end

db/migrate/20190824093336_create_post_statuses.rb

@@ -0,0 +1,10 @@
+class CreatePostStatuses < ActiveRecord::Migration[6.0]
+  def change
+    create_table :post_statuses do |t|
+      t.string :name
+      t.string :color
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20190824093755_add_unique_to_name_of_post_statuses.rb

@@ -0,0 +1,5 @@
+class AddUniqueToNameOfPostStatuses < ActiveRecord::Migration[6.0]
+  def change
+    add_index :post_statuses, :name, unique: true
+  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: 2019_08_22_141109) do
+ActiveRecord::Schema.define(version: 2019_08_24_093755) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -23,6 +23,14 @@ ActiveRecord::Schema.define(version: 2019_08_22_141109) do
     t.index ["name"], name: "index_boards_on_name", unique: true
   end
 
+  create_table "post_statuses", force: :cascade do |t|
+    t.string "name"
+    t.string "color"
+    t.datetime "created_at", precision: 6, null: false
+    t.datetime "updated_at", precision: 6, null: false
+    t.index ["name"], name: "index_post_statuses_on_name", unique: true
+  end
+
   create_table "users", force: :cascade do |t|
     t.string "email", default: "", null: false
     t.string "encrypted_password", default: "", null: false

spec/factories/post_statuses.rb

@@ -0,0 +1,6 @@
+FactoryBot.define do
+  factory :post_status do
+    sequence(:name) { |n| "Post Status #{n}" }
+    color { "#ffffff" }
+  end
+end

spec/models/post_status_spec.rb

@@ -0,0 +1,37 @@
+require 'rails_helper'
+
+RSpec.describe PostStatus, type: :model do
+  let(:post_status) { FactoryBot.create(:post_status) }
+
+  it 'must have a name' do
+    emptyname = FactoryBot.build(:post_status, name: "")
+    nilname = FactoryBot.build(:post_status, name: nil)
+
+    expect(emptyname.valid?).to be_falsy
+    expect(nilname.valid?).to be_falsy
+    expect(post_status.valid?).to be_truthy
+  end
+
+  it 'has a unique name' do
+    post_status2 = FactoryBot.build(:post_status, name: post_status.name)
+    
+    expect(post_status2.valid?).to be_falsy
+    expect(post_status.valid?).to be_truthy
+  end
+
+  it 'has a valid hex color' do
+    nilcolor = FactoryBot.build(:post_status, color: nil)
+    emptycolor = FactoryBot.build(:post_status, color: "")
+    invalidcolor = FactoryBot.build(:post_status, color: "ffffff")
+    invalidcolor2 = FactoryBot.build(:post_status, color: "#ffff")
+    validcolor = FactoryBot.build(:post_status, color: "#fff")
+    validcolor2 = FactoryBot.build(:post_status, color: "#ffffff")
+
+    expect(nilcolor.valid?).to be_falsy
+    expect(emptycolor.valid?).to be_falsy
+    expect(invalidcolor.valid?).to be_falsy
+    expect(invalidcolor2.valid?).to be_falsy
+    expect(validcolor.valid?).to be_truthy
+    expect(validcolor2.valid?).to be_truthy
+  end
+end