discourse/app/services/destroy_task.rb

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## Because these methods are meant to be called from a rake task
# we are capturing all log output into a log array to return
# to the rake task rather than using `puts` statements.
class DestroyTask
def self.destroy_topics(category, parent_category = nil)
c = Category.find_by_slug(category, parent_category)
log = []
descriptive_slug = parent_category ? "#{parent_category}/#{category}" : category
return "A category with the slug: #{descriptive_slug} could not be found" if c.nil?
topics = Topic.where(category_id: c.id, pinned_at: nil).where.not(user_id: -1)
log << "There are #{topics.count} topics to delete in #{descriptive_slug} category"
topics.each do |topic|
log << "Deleting #{topic.slug}..."
first_post = topic.ordered_posts.first
if first_post.nil?
return log << "Topic.ordered_posts.first was nil"
end
system_user = User.find(-1)
log << PostDestroyer.new(system_user, first_post).destroy
end
log
end
def self.destroy_topics_all_categories
categories = Category.all
log = []
categories.each do |c|
log << destroy_topics(c.slug, c.parent_category&.slug)
end
log
end
def self.destroy_private_messages
pms = Topic.where(archetype: "private_message")
current_user = User.find(-1) #system
log = []
pms.each do |pm|
log << "Destroying #{pm.slug} pm"
first_post = pm.ordered_posts.first
log << PostDestroyer.new(current_user, first_post).destroy
end
log
end
def self.destroy_groups
groups = Group.where(automatic: false)
log = []
groups.each do |group|
log << "destroying group: #{group.id}"
log << group.destroy
end
log
end
def self.destroy_users
log = []
users = User.where(admin: false, id: 1..Float::INFINITY)
log << "There are #{users.count} users to delete"
options = {}
options[:delete_posts] = true
current_user = User.find(-1) #system
users.each do |user|
begin
if UserDestroyer.new(current_user).destroy(user, options)
log << "#{user.username} deleted"
else
log << "#{user.username} not deleted"
end
rescue UserDestroyer::PostsExistError
raise Discourse::InvalidAccess.new("User #{user.username} has #{user.post_count} posts, so can't be deleted.")
rescue NoMethodError
log << "#{user.username} could not be deleted"
end
end
log
end
def self.destroy_stats
ApplicationRequest.destroy_all
IncomingLink.destroy_all
UserVisit.destroy_all
UserProfileView.destroy_all
user_profiles = UserProfile.all
user_profiles.each do |user_profile|
user_profile.views = 0
user_profile.save!
end
PostAction.unscoped.destroy_all
EmailLog.destroy_all
end
end