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There is this thing called SQL and it is about 1000x faster

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Sam 2014-05-16 10:34:06 +10:00
parent 5914d0e132
commit eff8c22638
2 changed files with 32 additions and 27 deletions
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6
app/models/badge.rb
View file

@ -9,6 +9,12 @@ class Badge < ActiveRecord::Base
def self.trust_level_badge_ids
(1..4).to_a
end
def reset_grant_count!
self.grant_count = UserBadge.where(badge_id: id).count
save!
end
end
# == Schema Information

53
db/fixtures/601_badges.rb
View file

@ -1,27 +1,3 @@
def reset_badge_grant_count(badge)
badge.grant_count = UserBadge.where(badge_id: badge.id).count
badge.save!
end
def grant_trust_level_badges_to_user(user)
return if user.id == Discourse.system_user.id
Badge.trust_level_badge_ids.each do |badge_id|
user_badge = UserBadge.where(user_id: user.id, badge_id: badge_id).first
if user_badge
# Revoke the badge if the user is not supposed to have it.
if user.trust_level < badge_id
user_badge.destroy!
end
else
# Grant the badge if the user is supposed to have it.
badge = Badge.find(badge_id)
if user.trust_level >= badge_id
UserBadge.create!(badge: badge, user: user, granted_by: Discourse.system_user, granted_at: Time.now)
end
end
end
end
trust_level_badges = [
{id: 1, name: "Basic User", type: 3},
{id: 2, name: "Regular User", type: 3},
@ -32,7 +8,7 @@ trust_level_badges = [
backfill_trust_level_badges = false
trust_level_badges.each do |spec|
backfill_trust_level_badges ||= Badge.where(id: spec[:id]).first.nil?
backfill_trust_level_badges ||= Badge.find_by(id: spec[:id]).nil?
Badge.seed do |b|
b.id = spec[:id]
@ -42,6 +18,29 @@ trust_level_badges.each do |spec|
end
if backfill_trust_level_badges
User.find_each {|user| grant_trust_level_badges_to_user(user) }
Badge.where(id: Badge.trust_level_badge_ids).each {|badge| reset_badge_grant_count(badge) }
puts "Backfilling trust level badges!"
Badge.trust_level_badge_ids.each do |badge_id|
sql = <<SQL
DELETE FROM user_badges
WHERE badge_id = :badge_id AND
user_id NOT IN (SELECT id FROM users WHERE trust_level <= :badge_id)
SQL
User.exec_sql(sql, badge_id: badge_id)
sql = <<SQL
INSERT INTO user_badges(badge_id, user_id, granted_at, granted_by_id)
SELECT :badge_id, id, :now, :system_id
FROM users
WHERE trust_level >= :trust_level AND
id NOT IN (SELECT user_id FROM user_badges WHERE badge_id = :badge_id) AND
id <> :system_id
SQL
User.exec_sql(sql, badge_id: badge_id, now: Time.now, system_id: Discourse.system_user.id, trust_level: badge_id)
end
Badge.where(id: Badge.trust_level_badge_ids).each {|badge| badge.reset_grant_count! }
end