517 lines
16 KiB
Ruby
517 lines
16 KiB
Ruby
class Group < ActiveRecord::Base
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include HasCustomFields
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has_many :category_groups, dependent: :destroy
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has_many :group_users, dependent: :destroy
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has_many :group_mentions, dependent: :destroy
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has_many :group_archived_messages, dependent: :destroy
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has_many :categories, through: :category_groups
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has_many :users, through: :group_users
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has_and_belongs_to_many :web_hooks
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before_save :downcase_incoming_email
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before_save :cook_bio
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after_save :destroy_deletions
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after_save :automatic_group_membership
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after_save :update_primary_group
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after_save :update_title
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after_save :expire_cache
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after_destroy :expire_cache
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def expire_cache
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ApplicationSerializer.expire_cache_fragment!("group_names")
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end
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validate :name_format_validator
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validates_uniqueness_of :name, case_sensitive: false
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validate :automatic_membership_email_domains_format_validator
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validate :incoming_email_validator
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validates :flair_url, url: true, if: Proc.new { |g| g.flair_url && g.flair_url[0,3] != 'fa-' }
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AUTO_GROUPS = {
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:everyone => 0,
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:admins => 1,
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:moderators => 2,
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:staff => 3,
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:trust_level_0 => 10,
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:trust_level_1 => 11,
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:trust_level_2 => 12,
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:trust_level_3 => 13,
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:trust_level_4 => 14
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}
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AUTO_GROUP_IDS = Hash[*AUTO_GROUPS.to_a.flatten.reverse]
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STAFF_GROUPS = [:admins, :moderators, :staff]
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ALIAS_LEVELS = {
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:nobody => 0,
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:only_admins => 1,
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:mods_and_admins => 2,
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:members_mods_and_admins => 3,
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:everyone => 99
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}
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validates :alias_level, inclusion: { in: ALIAS_LEVELS.values}
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scope :mentionable, lambda {|user|
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levels = [ALIAS_LEVELS[:everyone]]
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if user && user.admin?
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levels = [ALIAS_LEVELS[:everyone],
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ALIAS_LEVELS[:only_admins],
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ALIAS_LEVELS[:mods_and_admins],
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ALIAS_LEVELS[:members_mods_and_admins]]
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elsif user && user.moderator?
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levels = [ALIAS_LEVELS[:everyone],
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ALIAS_LEVELS[:mods_and_admins],
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ALIAS_LEVELS[:members_mods_and_admins]]
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end
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where("alias_level in (:levels) OR
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(
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alias_level = #{ALIAS_LEVELS[:members_mods_and_admins]} AND id in (
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SELECT group_id FROM group_users WHERE user_id = :user_id)
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)", levels: levels, user_id: user && user.id )
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}
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def downcase_incoming_email
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self.incoming_email = (incoming_email || "").strip.downcase.presence
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end
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def cook_bio
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if !self.bio_raw.blank?
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self.bio_cooked = PrettyText.cook(self.bio_raw)
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end
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end
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def incoming_email_validator
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return if self.automatic || self.incoming_email.blank?
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incoming_email.split("|").each do |email|
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escaped = Rack::Utils.escape_html(email)
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if !Email.is_valid?(email)
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self.errors.add(:base, I18n.t('groups.errors.invalid_incoming_email', email: escaped))
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elsif group = Group.where.not(id: self.id).find_by_email(email)
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self.errors.add(:base, I18n.t('groups.errors.email_already_used_in_group', email: escaped, group_name: Rack::Utils.escape_html(group.name)))
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elsif category = Category.find_by_email(email)
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self.errors.add(:base, I18n.t('groups.errors.email_already_used_in_category', email: escaped, category_name: Rack::Utils.escape_html(category.name)))
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end
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end
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end
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def posts_for(guardian, before_post_id=nil)
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user_ids = group_users.map { |gu| gu.user_id }
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result = Post.includes(:user, :topic, topic: :category)
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.references(:posts, :topics, :category)
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.where(user_id: user_ids)
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.where('topics.archetype <> ?', Archetype.private_message)
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.where(post_type: Post.types[:regular])
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result = guardian.filter_allowed_categories(result)
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result = result.where('posts.id < ?', before_post_id) if before_post_id
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result.order('posts.created_at desc')
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end
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def messages_for(guardian, before_post_id=nil)
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result = Post.includes(:user, :topic, topic: :category)
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.references(:posts, :topics, :category)
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.where('topics.archetype = ?', Archetype.private_message)
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.where(post_type: Post.types[:regular])
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.where('topics.id IN (SELECT topic_id FROM topic_allowed_groups WHERE group_id = ?)', self.id)
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result = guardian.filter_allowed_categories(result)
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result = result.where('posts.id < ?', before_post_id) if before_post_id
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result.order('posts.created_at desc')
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end
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def mentioned_posts_for(guardian, before_post_id=nil)
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result = Post.joins(:group_mentions)
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.includes(:user, :topic, topic: :category)
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.references(:posts, :topics, :category)
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.where('topics.archetype <> ?', Archetype.private_message)
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.where(post_type: Post.types[:regular])
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.where('group_mentions.group_id = ?', self.id)
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result = guardian.filter_allowed_categories(result)
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result = result.where('posts.id < ?', before_post_id) if before_post_id
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result.order('posts.created_at desc')
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end
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def self.trust_group_ids
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(10..19).to_a
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end
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def self.refresh_automatic_group!(name)
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return unless id = AUTO_GROUPS[name]
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unless group = self.lookup_group(name)
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group = Group.new(name: name.to_s, automatic: true)
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group.id = id
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group.save!
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end
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# don't allow shoddy localization to break this
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localized_name = I18n.t("groups.default_names.#{name}")
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validator = UsernameValidator.new(localized_name)
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group.name = validator.valid_format? ? localized_name : name
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# the everyone group is special, it can include non-users so there is no
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# way to have the membership in a table
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if name == :everyone
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group.visible = false
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group.save!
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return group
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end
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# Remove people from groups they don't belong in.
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#
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# BEWARE: any of these subqueries could match ALL the user records,
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# so they can't be used in IN clauses.
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remove_user_subquery = case name
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when :admins
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"SELECT u.id FROM users u WHERE NOT u.admin"
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when :moderators
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"SELECT u.id FROM users u WHERE NOT u.moderator"
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when :staff
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"SELECT u.id FROM users u WHERE NOT u.admin AND NOT u.moderator"
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when :trust_level_0, :trust_level_1, :trust_level_2, :trust_level_3, :trust_level_4
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"SELECT u.id FROM users u WHERE u.trust_level < #{id - 10}"
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end
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remove_ids = exec_sql("SELECT gu.id id
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FROM group_users gu,
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(#{remove_user_subquery}) u
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WHERE gu.group_id = #{group.id}
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AND gu.user_id = u.id").map {|x| x['id']}
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if remove_ids.length > 0
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remove_ids.each_slice(100) do |ids|
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GroupUser.where(id: ids).delete_all
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end
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end
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# Add people to groups
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real_ids = case name
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when :admins
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"SELECT u.id FROM users u WHERE u.admin"
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when :moderators
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"SELECT u.id FROM users u WHERE u.moderator"
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when :staff
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"SELECT u.id FROM users u WHERE u.moderator OR u.admin"
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when :trust_level_1, :trust_level_2, :trust_level_3, :trust_level_4
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"SELECT u.id FROM users u WHERE u.trust_level >= #{id-10}"
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when :trust_level_0
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"SELECT u.id FROM users u"
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end
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missing_users = GroupUser
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.joins("RIGHT JOIN (#{real_ids}) X ON X.id = user_id AND group_id = #{group.id}")
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.where("user_id IS NULL")
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.select("X.id")
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missing_users.each do |u|
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group.group_users.build(user_id: u.id)
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end
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group.save!
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# we want to ensure consistency
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Group.reset_counters(group.id, :group_users)
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group
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end
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def self.ensure_consistency!
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reset_all_counters!
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refresh_automatic_groups!
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end
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def self.reset_all_counters!
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Group.pluck(:id).each do |group_id|
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Group.reset_counters(group_id, :group_users)
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end
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end
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def self.refresh_automatic_groups!(*args)
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if args.length == 0
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args = AUTO_GROUPS.keys
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end
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args.each do |group|
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refresh_automatic_group!(group)
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end
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end
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def self.ensure_automatic_groups!
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AUTO_GROUPS.each_key do |name|
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refresh_automatic_group!(name) unless lookup_group(name)
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end
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end
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def self.[](name)
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lookup_group(name) || refresh_automatic_group!(name)
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end
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def self.search_group(name)
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Group.where(visible: true).where("name ILIKE :term_like", term_like: "#{name}%")
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end
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def self.lookup_group(name)
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if id = AUTO_GROUPS[name]
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Group.find_by(id: id)
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else
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unless group = Group.find_by(name: name)
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raise ArgumentError, "unknown group"
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end
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group
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end
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end
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def self.lookup_group_ids(opts)
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if group_ids = opts[:group_ids]
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group_ids = group_ids.split(",").map(&:to_i)
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group_ids = Group.where(id: group_ids).pluck(:id)
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end
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group_ids ||= []
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if group_names = opts[:group_names]
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group_names = group_names.split(",")
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if group_names.present?
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group_ids += Group.where(name: group_names).pluck(:id)
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end
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end
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group_ids
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end
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def self.desired_trust_level_groups(trust_level)
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trust_group_ids.keep_if do |id|
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id == AUTO_GROUPS[:trust_level_0] || (trust_level + 10) >= id
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end
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end
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def self.user_trust_level_change!(user_id, trust_level)
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desired = desired_trust_level_groups(trust_level)
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undesired = trust_group_ids - desired
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GroupUser.where(group_id: undesired, user_id: user_id).delete_all
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desired.each do |id|
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if group = find_by(id: id)
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unless GroupUser.where(group_id: id, user_id: user_id).exists?
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group.group_users.create!(user_id: user_id)
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end
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else
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name = AUTO_GROUP_IDS[trust_level]
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refresh_automatic_group!(name)
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end
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end
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end
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def self.builtin
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Enum.new(:moderators, :admins, :trust_level_1, :trust_level_2)
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end
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def usernames=(val)
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current = usernames.split(",")
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expected = val.split(",")
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additions = expected - current
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deletions = current - expected
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map = Hash[*User.where(username: additions+deletions)
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.select('id,username')
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.map{|u| [u.username,u.id]}.flatten]
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deletions = Set.new(deletions.map{|d| map[d]})
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@deletions = []
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group_users.each do |gu|
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@deletions << gu if deletions.include?(gu.user_id)
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end
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additions.each do |a|
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group_users.build(user_id: map[a])
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end
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end
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def usernames
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users.pluck(:username).join(",")
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end
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def add(user)
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self.users.push(user)
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end
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def remove(user)
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self.group_users.where(user: user).each(&:destroy)
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user.update_columns(primary_group_id: nil) if user.primary_group_id == self.id
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end
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def add_owner(user)
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if group_user = self.group_users.find_by(user: user)
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group_user.update_attributes!(owner: true) if !group_user.owner
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else
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GroupUser.create!(user: user, group: self, owner: true)
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end
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end
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def self.find_by_email(email)
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self.where("string_to_array(incoming_email, '|') @> ARRAY[?]", Email.downcase(email)).first
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end
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def bulk_add(user_ids)
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if user_ids.present?
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Group.exec_sql("INSERT INTO group_users
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(group_id, user_id, created_at, updated_at)
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SELECT #{self.id},
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u.id,
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CURRENT_TIMESTAMP,
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CURRENT_TIMESTAMP
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FROM users AS u
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WHERE u.id IN (#{user_ids.join(', ')})
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AND NOT EXISTS(SELECT 1 FROM group_users AS gu
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WHERE gu.user_id = u.id AND
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gu.group_id = #{self.id})")
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if self.primary_group?
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User.where(id: user_ids).update_all(primary_group_id: self.id)
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end
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if self.title.present?
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User.where(id: user_ids).update_all(title: self.title)
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end
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end
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true
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end
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def staff?
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STAFF_GROUPS.include?(self.name.to_sym)
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end
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protected
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def name_format_validator
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UsernameValidator.perform_validation(self, 'name')
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end
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def automatic_membership_email_domains_format_validator
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return if self.automatic_membership_email_domains.blank?
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domains = self.automatic_membership_email_domains.split("|")
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domains.each do |domain|
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domain.sub!(/^https?:\/\//, '')
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domain.sub!(/\/.*$/, '')
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self.errors.add :base, (I18n.t('groups.errors.invalid_domain', domain: domain)) unless domain =~ /\A[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,24}(:[0-9]{1,5})?(\/.*)?\Z/i
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end
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self.automatic_membership_email_domains = domains.join("|")
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end
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# hack around AR
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def destroy_deletions
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if @deletions
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@deletions.each do |gu|
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gu.destroy
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User.where('id = ? AND primary_group_id = ?', gu.user_id, gu.group_id).update_all 'primary_group_id = NULL'
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end
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end
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@deletions = nil
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end
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def automatic_group_membership
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if self.automatic_membership_retroactive
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Jobs.enqueue(:automatic_group_membership, group_id: self.id)
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end
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end
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def update_title
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return if new_record? && !self.title.present?
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if self.title_changed?
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sql = <<SQL
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UPDATE users SET title = :title
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WHERE (title = :title_was OR
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title = '' OR
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title IS NULL) AND
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COALESCE(title,'') <> COALESCE(:title,'') AND
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id IN (
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SELECT user_id
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FROM group_users
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WHERE group_id = :id
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)
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SQL
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self.class.exec_sql(sql,
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title: title,
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title_was: title_was,
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id: id
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)
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end
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end
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def update_primary_group
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return if new_record? && !self.primary_group?
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if self.primary_group_changed?
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sql = <<SQL
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UPDATE users
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/*set*/
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/*where*/
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SQL
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builder = SqlBuilder.new(sql)
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builder.where("
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id IN (
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SELECT user_id
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FROM group_users
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WHERE group_id = :id
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)", id: id)
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if primary_group
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builder.set("primary_group_id = :id")
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else
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builder.set("primary_group_id = NULL")
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builder.where("primary_group_id = :id")
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end
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builder.exec
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end
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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: groups
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#
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# id :integer not null, primary key
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# name :string not null
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# created_at :datetime not null
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# updated_at :datetime not null
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# automatic :boolean default(FALSE), not null
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# user_count :integer default(0), not null
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# alias_level :integer default(0)
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# visible :boolean default(TRUE), not null
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# automatic_membership_email_domains :text
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# automatic_membership_retroactive :boolean default(FALSE)
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# primary_group :boolean default(FALSE), not null
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# title :string
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# grant_trust_level :integer
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# incoming_email :string
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# has_messages :boolean default(FALSE), not null
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# flair_url :string
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# flair_bg_color :string
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# flair_color :string
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#
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# Indexes
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#
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# index_groups_on_incoming_email (incoming_email) UNIQUE
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# index_groups_on_name (name) UNIQUE
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#
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