discourse/app/models/badge.rb

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class Badge < ActiveRecord::Base
# badge ids
Welcome = 5
NicePost = 6
GoodPost = 7
GreatPost = 8
Autobiographer = 9
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Editor = 10
FirstLike = 11
FirstShare = 12
FirstFlag = 13
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FirstLink = 14
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FirstQuote = 15
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ReadGuidelines = 16
Reader = 17
# other consts
AutobiographerMinBioLength = 10
def self.trigger_hash
Hash[*(
Badge::Trigger.constants.map{|k|
[k.to_s.underscore, Badge::Trigger.const_get(k)]
}.flatten
)]
end
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module Trigger
None = 0
PostAction = 1
PostRevision = 2
TrustLevelChange = 4
UserChange = 8
end
module Queries
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Reader = <<SQL
SELECT id user_id, current_timestamp granted_at, NULL post_id
FROM users
WHERE id IN
(
SELECT pt.user_id
FROM post_timings pt
JOIN badge_posts b ON b.post_number = pt.post_number AND
b.topic_id = pt.topic_id
JOIN topics t ON t.id = pt.topic_id
LEFT JOIN user_badges ub ON ub.badge_id = 17 AND ub.user_id = pt.user_id
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WHERE ub.id IS NULL AND t.posts_count > 100
GROUP BY pt.user_id, pt.topic_id, t.posts_count
HAVING count(*) = t.posts_count
)
SQL
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ReadGuidelines = <<SQL
SELECT user_id, read_faq granted_at, NULL post_id
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FROM user_stats
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WHERE read_faq IS NOT NULL
SQL
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FirstQuote = <<SQL
SELECT ids.user_id, q.post_id, q.created_at granted_at
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FROM
(
SELECT p1.user_id, MIN(q1.id) id
FROM quoted_posts q1
JOIN badge_posts p1 ON p1.id = q1.post_id
JOIN badge_posts p2 ON p2.id = q1.quoted_post_id
GROUP BY p1.user_id
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) ids
JOIN quoted_posts q ON q.id = ids.id
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SQL
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FirstLink = <<SQL
SELECT l.user_id, l.post_id, l.created_at granted_at
FROM
(
SELECT MIN(l1.id) id
FROM topic_links l1
JOIN badge_posts p1 ON p1.id = l1.post_id
JOIN badge_posts p2 ON p2.id = l1.link_post_id
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WHERE NOT reflection AND p1.topic_id <> p2.topic_id AND not quote
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GROUP BY l1.user_id
) ids
JOIN topic_links l ON l.id = ids.id
SQL
FirstShare = <<SQL
SELECT views.user_id, i2.post_id, i2.created_at granted_at
FROM
(
SELECT i.user_id, MIN(i.id) i_id
FROM incoming_links i
JOIN badge_posts p on p.id = i.post_id
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WHERE i.user_id IS NOT NULL
GROUP BY i.user_id
) as views
JOIN incoming_links i2 ON i2.id = views.i_id
SQL
FirstFlag = <<SQL
SELECT pa1.user_id, pa1.created_at granted_at, pa1.post_id
FROM (
SELECT pa.user_id, min(pa.id) id
FROM post_actions pa
JOIN badge_posts p on p.id = pa.post_id
WHERE post_action_type_id IN (#{PostActionType.flag_types.values.join(",")})
GROUP BY pa.user_id
) x
JOIN post_actions pa1 on pa1.id = x.id
SQL
FirstLike = <<SQL
SELECT pa1.user_id, pa1.created_at granted_at, pa1.post_id
FROM (
SELECT pa.user_id, min(pa.id) id
FROM post_actions pa
JOIN badge_posts p on p.id = pa.post_id
WHERE post_action_type_id = 2
GROUP BY pa.user_id
) x
JOIN post_actions pa1 on pa1.id = x.id
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SQL
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# Incorrect, but good enough - (earlies post edited vs first edit)
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Editor = <<SQL
SELECT p.user_id, min(p.id) post_id, min(p.created_at) granted_at
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FROM badge_posts p
WHERE p.self_edits > 0
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GROUP BY p.user_id
SQL
Welcome = <<SQL
SELECT p.user_id, min(post_id) post_id, min(pa.created_at) granted_at
FROM post_actions pa
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JOIN badge_posts p on p.id = pa.post_id
WHERE post_action_type_id = 2
GROUP BY p.user_id
SQL
Autobiographer = <<SQL
SELECT u.id user_id, current_timestamp granted_at, NULL post_id
FROM users u
JOIN user_profiles up on u.id = up.user_id
WHERE bio_raw IS NOT NULL AND LENGTH(TRIM(bio_raw)) > #{Badge::AutobiographerMinBioLength} AND
uploaded_avatar_id IS NOT NULL
SQL
def self.like_badge(count)
# we can do better with dates, but its hard work
"
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SELECT p.user_id, p.id post_id, p.updated_at granted_at
FROM badge_posts p
WHERE p.like_count >= #{count.to_i}
"
end
def self.trust_level(level)
# we can do better with dates, but its hard work figuring this out historically
"
SELECT u.id user_id, current_timestamp granted_at, NULL post_id FROM users u
WHERE trust_level >= #{level.to_i}
"
end
end
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belongs_to :badge_type
belongs_to :badge_grouping
has_many :user_badges, dependent: :destroy
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validates :name, presence: true, uniqueness: true
validates :badge_type, presence: true
validates :allow_title, inclusion: [true, false]
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validates :multiple_grant, inclusion: [true, false]
scope :enabled, ->{ where(enabled: true) }
before_create :ensure_not_system
# fields that can not be edited on system badges
def self.protected_system_fields
[:badge_type_id, :multiple_grant, :target_posts, :show_posts, :query, :trigger, :auto_revoke, :listable]
end
def self.trust_level_badge_ids
(1..4).to_a
end
def self.like_badge_counts
@like_badge_counts ||= {
NicePost => 10,
GoodPost => 25,
GreatPost => 50
}
end
def reset_grant_count!
self.grant_count = UserBadge.where(badge_id: id).count
save!
end
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def single_grant?
!self.multiple_grant?
end
def default_name=(val)
self.name ||= val
end
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def default_allow_title=(val)
self.allow_title ||= val
end
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def default_badge_grouping_id=(val)
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# allow to correct orphans
if !self.badge_grouping_id || self.badge_grouping_id < 0
self.badge_grouping_id = val
end
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end
protected
def ensure_not_system
unless id
self.id = [Badge.maximum(:id) + 1, 100].max
end
end
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end
# == Schema Information
#
# Table name: badges
#
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# id :integer not null, primary key
# name :string(255) not null
# description :text
# badge_type_id :integer not null
# grant_count :integer default(0), not null
# created_at :datetime
# updated_at :datetime
# allow_title :boolean default(FALSE), not null
# multiple_grant :boolean default(FALSE), not null
# icon :string(255) default("fa-certificate")
# listable :boolean default(TRUE)
# target_posts :boolean default(FALSE)
# query :text
# enabled :boolean default(TRUE), not null
# auto_revoke :boolean default(TRUE), not null
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# badge_grouping_id :integer default(5), not null
# trigger :integer
# show_posts :boolean default(FALSE), not null
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#
# Indexes
#
# index_badges_on_name (name) UNIQUE
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#