Add relations between users and entries

app/models/entry.rb

@@ -1,2 +1,3 @@
 class Entry < ApplicationRecord
+  belongs_to :user
 end

app/models/user.rb

@@ -3,4 +3,6 @@ class User < ApplicationRecord
   # :confirmable, :lockable, :timeoutable, :trackable and :omniauthable
   devise :database_authenticatable, :registerable,
          :recoverable, :rememberable, :validatable
+
+  has_many :entries, dependent: :destroy
 end

db/migrate/20191208030319_add_users_to_entries.rb

@@ -0,0 +1,5 @@
+class AddUsersToEntries < ActiveRecord::Migration[6.0]
+  def change
+    add_reference :entries, :user, foreign_key: true, index: 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_10_20_164632) do
+ActiveRecord::Schema.define(version: 2019_12_08_030319) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -22,6 +22,8 @@
     t.datetime "updated_at", precision: 6, null: false
     t.date "day"
     t.time "hour"
+    t.bigint "user_id"
+    t.index ["user_id"], name: "index_entries_on_user_id"
   end
 
   create_table "users", force: :cascade do |t|
@@ -37,4 +39,5 @@
     t.index ["reset_password_token"], name: "index_users_on_reset_password_token", unique: true
   end
 
+  add_foreign_key "entries", "users"
 end

spec/models/entry_spec.rb

@@ -1,5 +1,7 @@
-require 'rails_helper'
+require "rails_helper"
 
 RSpec.describe Entry, type: :model do
-  pending "add some examples to (or delete) #{__FILE__}"
+  describe "relations" do
+    it { is_expected.to belong_to(:user) }
+  end
 end

spec/models/user_spec.rb

@@ -1,5 +1,7 @@
-require 'rails_helper'
+require "rails_helper"
 
 RSpec.describe User, type: :model do
-  pending "add some examples to (or delete) #{__FILE__}"
+  describe "relations" do
+    it { is_expected.to have_many(:entries).dependent(:destroy) }
+  end
 end