log moderator hat usage

app/controllers/moderations_controller.rb

@@ -42,7 +42,7 @@ def index

    @moderations = @moderations
                    .offset((@page - 1) * ENTRIES_PER_PAGE)
                    .order("moderations.id desc")
                    .order("moderations.created_at desc")
                    .limit(ENTRIES_PER_PAGE)
  end
end

app/models/comment.rb

@@ -19,7 +19,7 @@ class Comment < ActiveRecord::Base
  end
  after_create :record_initial_upvote, :mark_submitter,
    :deliver_reply_notifications, :deliver_mention_notifications,
    :log_to_countinual
    :log_to_countinual, :log_hat_use
  after_destroy :unassign_votes

  scope :active, -> { where(:is_deleted => false, :is_moderated => false) }
@@ -358,6 +358,17 @@ def is_undeletable_by_user?(user)
    end
  end

  def log_hat_use
    return unless self.hat && self.hat.modlog_use

    m = Moderation.new
    m.created_at = self.created_at
    m.comment_id = self.id
    m.moderator_user_id = user.id
    m.action = "used #{self.hat.hat} hat"
    m.save!
  end

  def log_to_countinual
    Countinual.count!("#{Rails.application.shortname}.comments.submitted", "+1")
  end

db/migrate/20171025072230_modlog_hat_use.rb

@@ -0,0 +1,6 @@
class ModlogHatUse < ActiveRecord::Migration[5.1]
  def change
    add_column :hats, :modlog_use, :boolean, :default => false
    add_index :moderations, :created_at
  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: 20170713195446) do
ActiveRecord::Schema.define(version: 20171025072230) do

  create_table "comments", id: :integer, unsigned: true, force: :cascade, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8mb4" do |t|
    t.datetime "created_at", null: false
@@ -53,6 +53,7 @@
    t.integer "granted_by_user_id"
    t.string "hat", collation: "utf8mb4_general_ci"
    t.string "link", collation: "utf8mb4_general_ci"
    t.boolean "modlog_use", default: false
  end

  create_table "hidden_stories", id: :integer, force: :cascade, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8" do |t|
@@ -110,6 +111,7 @@
    t.text "action", limit: 16777215
    t.text "reason", limit: 16777215
    t.boolean "is_from_suggestions", default: false
    t.index ["created_at"], name: "index_moderations_on_created_at"
  end

  create_table "saved_stories", force: :cascade, options: "ENGINE=InnoDB DEFAULT CHARSET=utf8" do |t|