discourse/app/models/user_badge.rb

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class UserBadge < ActiveRecord::Base
belongs_to :badge
belongs_to :user
belongs_to :granted_by, class_name: 'User'
belongs_to :notification, dependent: :destroy
belongs_to :post
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validates :badge_id,
presence: true,
uniqueness: { scope: :user_id },
if: :single_grant_badge?
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validates :user_id, presence: true
validates :granted_at, presence: true
validates :granted_by, presence: true
after_create do
Badge.increment_counter 'grant_count', self.badge_id
DiscourseEvent.trigger(:user_badge_granted, self.badge_id, self.user_id)
end
after_destroy do
Badge.decrement_counter 'grant_count', self.badge_id
DiscourseEvent.trigger(:user_badge_removed, self.badge_id, self.user_id)
end
private
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def single_grant_badge?
self.badge.single_grant?
end
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end
# == Schema Information
#
# Table name: user_badges
#
# id :integer not null, primary key
# badge_id :integer not null
# user_id :integer not null
# granted_at :datetime not null
# granted_by_id :integer not null
# post_id :integer
# notification_id :integer
# seq :integer default(0), not null
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#
# Indexes
#
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# index_user_badges_on_badge_id_and_user_id (badge_id,user_id)
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# index_user_badges_on_badge_id_and_user_id_and_post_id (badge_id,user_id,post_id) UNIQUE WHERE (post_id IS NOT NULL)
# index_user_badges_on_badge_id_and_user_id_and_seq (badge_id,user_id,seq) UNIQUE WHERE (post_id IS NULL)
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# index_user_badges_on_user_id (user_id)
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#