class CreateVotingTables

# File lib/generators/voting/templates/db/migrate/create_voting_tables.rb, line 4
def change
  create_table :voting_votes do |t|
    t.integer :negative, default: 0, null: false
    t.integer :positive, default: 0, null: false

    t.references :author,    index: true, null: false, polymorphic: true
    t.references :resource,  index: true, null: false, polymorphic: true
    t.references :scopeable, index: true, null: true,  polymorphic: true

    t.timestamps null: false
  end

  add_index :voting_votes, %i[author_id author_type resource_id resource_type scopeable_id scopeable_type],
            name: :index_voting_votes_on_author_and_resource_and_scopeable,
            unique: true

  create_table :voting_votings do |t|
    t.decimal :estimate, default: 0, mull: false, precision: 25, scale: 20
    t.integer :negative, default: 0, null: false
    t.integer :positive, default: 0, null: false

    t.references :resource,  index: true, null: false, polymorphic: true
    t.references :scopeable, index: true, null: true,  polymorphic: true

    t.timestamps null: false
  end

  add_index :voting_votings, %i[resource_id resource_type scopeable_id scopeable_type],
            name: :index_voting_votings_on_resource_and_scopeable,
            unique: true
end