debian-mirror-gitlab/app/models/concerns/awardable.rb
2018-05-09 12:01:36 +05:30

126 lines
3.1 KiB
Ruby

module Awardable
extend ActiveSupport::Concern
included do
has_many :award_emoji, -> { includes(:user).order(:id) }, as: :awardable, dependent: :destroy # rubocop:disable Cop/ActiveRecordDependent
if self < Participable
# By default we always load award_emoji user association
participant :award_emoji
end
end
module ClassMethods
def awarded(user, name)
sql = <<~EOL
EXISTS (
SELECT TRUE
FROM award_emoji
WHERE user_id = :user_id AND
name = :name AND
awardable_type = :awardable_type AND
awardable_id = #{self.arel_table.name}.id
)
EOL
where(sql, user_id: user.id, name: name, awardable_type: self.name)
end
def order_upvotes_desc
order_votes_desc(AwardEmoji::UPVOTE_NAME)
end
def order_downvotes_desc
order_votes_desc(AwardEmoji::DOWNVOTE_NAME)
end
def order_votes_desc(emoji_name)
awardable_table = self.arel_table
awards_table = AwardEmoji.arel_table
join_clause = awardable_table.join(awards_table, Arel::Nodes::OuterJoin).on(
awards_table[:awardable_id].eq(awardable_table[:id]).and(
awards_table[:awardable_type].eq(self.name).and(
awards_table[:name].eq(emoji_name)
)
)
).join_sources
joins(join_clause).group(awardable_table[:id]).reorder("COUNT(award_emoji.id) DESC")
end
end
def grouped_awards(with_thumbs: true)
# By default we always load award_emoji user association
awards = award_emoji.group_by(&:name)
if with_thumbs
awards[AwardEmoji::UPVOTE_NAME] ||= []
awards[AwardEmoji::DOWNVOTE_NAME] ||= []
end
awards
end
def downvotes
award_emoji.downvotes.count
end
def upvotes
award_emoji.upvotes.count
end
def emoji_awardable?
true
end
def awardable_votes?(name)
AwardEmoji::UPVOTE_NAME == name || AwardEmoji::DOWNVOTE_NAME == name
end
def user_can_award?(current_user, name)
awardable_by_user?(current_user, name) && Ability.allowed?(current_user, :award_emoji, self)
end
def user_authored?(current_user)
author = self.respond_to?(:author) ? self.author : self.user
author == current_user
end
def awarded_emoji?(emoji_name, current_user)
award_emoji.where(name: emoji_name, user: current_user).exists?
end
def create_award_emoji(name, current_user)
return unless emoji_awardable?
award_emoji.create(name: normalize_name(name), user: current_user)
end
def remove_award_emoji(name, current_user)
award_emoji.where(name: name, user: current_user).destroy_all
end
def toggle_award_emoji(emoji_name, current_user)
if awarded_emoji?(emoji_name, current_user)
remove_award_emoji(emoji_name, current_user)
else
create_award_emoji(emoji_name, current_user)
end
end
private
def normalize_name(name)
Gitlab::Emoji.normalize_emoji_name(name)
end
def awardable_by_user?(current_user, name)
if user_authored?(current_user)
!awardable_votes?(normalize_name(name))
else
true
end
end
end