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49 lines
1.9 KiB
Ruby
49 lines
1.9 KiB
Ruby
class UserBadge < ActiveRecord::Base
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belongs_to :badge
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belongs_to :user
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belongs_to :granted_by, class_name: 'User'
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belongs_to :notification, dependent: :destroy
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belongs_to :post
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validates :badge_id, presence: true, uniqueness: {scope: :user_id}, if: 'badge.single_grant?'
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validates :user_id, presence: true
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validates :granted_at, presence: true
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validates :granted_by, presence: true
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after_create do
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Badge.increment_counter 'grant_count', self.badge_id
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end
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after_destroy do
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Badge.decrement_counter 'grant_count', self.badge_id
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end
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# Make sure we don't have duplicate badges.
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def self.ensure_consistency!
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dup_ids = []
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# Single grant badges shouldn't have duplicates at all.
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dup_ids += exec_sql("SELECT u1.id FROM user_badges u1, user_badges u2, badges WHERE u1.badge_id = badges.id AND u1.user_id = u2.user_id AND u1.badge_id = u2.badge_id AND (NOT badges.multiple_grant) AND u1.granted_at > u2.granted_at").to_a
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# Multiple grant badges can have duplicates but not with the same post_ids.
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dup_ids += exec_sql("SELECT u1.id FROM user_badges u1, user_badges u2, badges WHERE u1.badge_id = badges.id AND u1.user_id = u2.user_id AND u1.badge_id = u2.badge_id AND badges.multiple_grant AND u1.post_id = u2.post_id AND u1.granted_at > u2.granted_at").to_a
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dup_ids = dup_ids.map {|x| x["id"].to_i }
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UserBadge.where(id: dup_ids).destroy_all
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end
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end
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# == Schema Information
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#
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# Table name: user_badges
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#
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# id :integer not null, primary key
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# badge_id :integer not null
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# user_id :integer not null
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# granted_at :datetime not null
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# granted_by_id :integer not null
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# post_id :integer
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# notification_id :integer
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#
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# Indexes
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#
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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_user_id (user_id)
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#
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