158 lines
4.0 KiB
Ruby
158 lines
4.0 KiB
Ruby
require_dependency 'post_creator'
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require_dependency 'new_post_result'
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require_dependency 'post_enqueuer'
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# Determines what actions should be taken with new posts.
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#
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# The default action is to create the post, but this can be extended
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# with `NewPostManager.add_handler` to take other approaches depending
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# on the user or input.
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class NewPostManager
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attr_reader :user, :args
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def self.sorted_handlers
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@sorted_handlers ||= clear_handlers!
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end
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def self.handlers
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sorted_handlers.map {|h| h[:proc]}
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end
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def self.clear_handlers!
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@sorted_handlers = [{ priority: 0, proc: method(:default_handler) }]
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end
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def self.add_handler(priority=0, &block)
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sorted_handlers << { priority: priority, proc: block }
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@sorted_handlers.sort_by! {|h| -h[:priority]}
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end
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def self.is_first_post?(manager)
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user = manager.user
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args = manager.args
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!!(
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args[:first_post_checks] &&
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user.post_count == 0
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)
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end
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def self.is_fast_typer?(manager)
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args = manager.args
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is_first_post?(manager) &&
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args[:typing_duration_msecs].to_i < SiteSetting.min_first_post_typing_time &&
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SiteSetting.auto_block_fast_typers_on_first_post &&
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manager.user.trust_level <= SiteSetting.auto_block_fast_typers_max_trust_level
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end
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def self.matches_auto_block_regex?(manager)
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args = manager.args
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pattern = SiteSetting.auto_block_first_post_regex
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return false unless pattern.present?
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return false unless is_first_post?(manager)
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begin
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regex = Regexp.new(pattern, Regexp::IGNORECASE)
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rescue => e
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Rails.logger.warn "Invalid regex in auto_block_first_post_regex #{e}"
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return false
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end
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"#{args[:title]} #{args[:raw]}" =~ regex
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end
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def self.user_needs_approval?(manager)
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user = manager.user
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return false if user.staff? || user.staged
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(user.trust_level <= TrustLevel.levels[:basic] && user.post_count < SiteSetting.approve_post_count) ||
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(user.trust_level < SiteSetting.approve_unless_trust_level.to_i) ||
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is_fast_typer?(manager) ||
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matches_auto_block_regex?(manager)
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end
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def self.default_handler(manager)
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if user_needs_approval?(manager)
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result = manager.enqueue('default')
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if is_fast_typer?(manager) || matches_auto_block_regex?(manager)
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UserBlocker.block(manager.user, Discourse.system_user, keep_posts: true)
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end
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result
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end
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end
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def self.queue_enabled?
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SiteSetting.approve_post_count > 0 ||
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SiteSetting.approve_unless_trust_level.to_i > 0 ||
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handlers.size > 1
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end
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def initialize(user, args)
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@user = user
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@args = args.delete_if {|_, v| v.nil?}
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end
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def perform
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# We never queue private messages
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return perform_create_post if @args[:archetype] == Archetype.private_message
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if args[:topic_id] && Topic.where(id: args[:topic_id], archetype: Archetype.private_message).exists?
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return perform_create_post
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end
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# Perform handlers until one returns a result
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handled = NewPostManager.handlers.any? do |handler|
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result = handler.call(self)
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return result if result
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false
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end
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perform_create_post unless handled
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end
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# Enqueue this post in a queue
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def enqueue(queue, reason=nil)
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result = NewPostResult.new(:enqueued)
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enqueuer = PostEnqueuer.new(@user, queue)
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queued_args = {post_options: @args.dup}
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queued_args[:raw] = queued_args[:post_options].delete(:raw)
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queued_args[:topic_id] = queued_args[:post_options].delete(:topic_id)
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post = enqueuer.enqueue(queued_args)
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QueuedPost.broadcast_new! if post && post.errors.empty?
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result.queued_post = post
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result.reason = reason if reason
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result.check_errors_from(enqueuer)
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result.pending_count = QueuedPost.new_posts.where(user_id: @user.id).count
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result
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end
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def perform_create_post
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result = NewPostResult.new(:create_post)
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creator = PostCreator.new(@user, @args)
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post = creator.create
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result.check_errors_from(creator)
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if result.success?
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result.post = post
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else
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@user.flag_linked_posts_as_spam if creator.spam?
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end
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result
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end
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end
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