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https://github.com/codeninjasllc/discourse.git
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03ea0bfe22
Messages are now in 3 buckets - Inbox for all new messages - Sent for all sent messages - Archive for all messages you are done with You can select messages from your Inbox or Sent and move them to your Archive, you can move messages out of your Archive similarly Similar concept applied to group messages, except that archiving and unarchiving will apply to all group members
410 lines
13 KiB
Ruby
410 lines
13 KiB
Ruby
# Responsible for creating posts and topics
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#
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require_dependency 'rate_limiter'
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require_dependency 'topic_creator'
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require_dependency 'post_jobs_enqueuer'
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require_dependency 'distributed_mutex'
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require_dependency 'has_errors'
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class PostCreator
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include HasErrors
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attr_reader :opts
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# Acceptable options:
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#
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# raw - raw text of post
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# image_sizes - We can pass a list of the sizes of images in the post as a shortcut.
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# invalidate_oneboxes - Whether to force invalidation of oneboxes in this post
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# acting_user - The user performing the action might be different than the user
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# who is the post "author." For example when copying posts to a new
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# topic.
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# created_at - Post creation time (optional)
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# auto_track - Automatically track this topic if needed (default true)
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# custom_fields - Custom fields to be added to the post, Hash (default nil)
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# post_type - Whether this is a regular post or moderator post.
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# no_bump - Do not cause this post to bump the topic.
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# cooking_options - Options for rendering the text
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# cook_method - Method of cooking the post.
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# :regular - Pass through Markdown parser and strip bad HTML
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# :raw_html - Perform no processing
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# :raw_email - Imported from an email
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# via_email - Mark this post as arriving via email
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# raw_email - Full text of arriving email (to store)
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# action_code - Describes a small_action post (optional)
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#
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# When replying to a topic:
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# topic_id - topic we're replying to
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# reply_to_post_number - post number we're replying to
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#
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# When creating a topic:
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# title - New topic title
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# archetype - Topic archetype
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# is_warning - Is the topic a warning?
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# category - Category to assign to topic
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# target_usernames - comma delimited list of usernames for membership (private message)
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# target_group_names - comma delimited list of groups for membership (private message)
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# meta_data - Topic meta data hash
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# created_at - Topic creation time (optional)
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# pinned_at - Topic pinned time (optional)
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# pinned_globally - Is the topic pinned globally (optional)
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#
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def initialize(user, opts)
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# TODO: we should reload user in case it is tainted, should take in a user_id as opposed to user
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# If we don't do this we introduce a rather risky dependency
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@user = user
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@opts = opts || {}
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opts[:title] = pg_clean_up(opts[:title]) if opts[:title] && opts[:title].include?("\u0000")
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opts[:raw] = pg_clean_up(opts[:raw]) if opts[:raw] && opts[:raw].include?("\u0000")
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opts.delete(:reply_to_post_number) unless opts[:topic_id]
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@guardian = opts[:guardian] if opts[:guardian]
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@spam = false
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end
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def pg_clean_up(str)
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str.gsub("\u0000", "")
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end
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# True if the post was considered spam
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def spam?
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@spam
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end
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def skip_validations?
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@opts[:skip_validations]
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end
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def guardian
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@guardian ||= Guardian.new(@user)
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end
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def valid?
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@topic = nil
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@post = nil
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if @user.suspended? && !skip_validations?
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errors[:base] << I18n.t(:user_is_suspended)
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return false
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end
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if new_topic?
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topic_creator = TopicCreator.new(@user, guardian, @opts)
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return false unless skip_validations? || validate_child(topic_creator)
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else
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@topic = Topic.find_by(id: @opts[:topic_id])
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if (@topic.blank? || !guardian.can_create?(Post, @topic))
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errors[:base] << I18n.t(:topic_not_found)
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return false
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end
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end
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setup_post
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return true if skip_validations?
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if @post.has_host_spam?
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@spam = true
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errors[:base] << I18n.t(:spamming_host)
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return false
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end
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DiscourseEvent.trigger :before_create_post, @post
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DiscourseEvent.trigger :validate_post, @post
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post_validator = Validators::PostValidator.new(skip_topic: true)
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post_validator.validate(@post)
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valid = @post.errors.blank?
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add_errors_from(@post) unless valid
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valid
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end
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def create
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if valid?
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transaction do
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build_post_stats
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create_topic
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save_post
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extract_links
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store_unique_post_key
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track_topic
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update_topic_stats
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update_topic_auto_close
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update_user_counts
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create_embedded_topic
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ensure_in_allowed_users if guardian.is_staff?
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unarchive_message
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@post.advance_draft_sequence
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@post.save_reply_relationships
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end
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end
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if @post && errors.blank?
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publish
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track_latest_on_category
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enqueue_jobs
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BadgeGranter.queue_badge_grant(Badge::Trigger::PostRevision, post: @post)
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trigger_after_events(@post)
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end
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if @post || @spam
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handle_spam unless @opts[:import_mode]
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end
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@post
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end
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def self.track_post_stats
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Rails.env != "test".freeze || @track_post_stats
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end
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def self.track_post_stats=(val)
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@track_post_stats = val
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end
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def self.create(user, opts)
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PostCreator.new(user, opts).create
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end
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def self.before_create_tasks(post)
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set_reply_info(post)
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post.word_count = post.raw.scan(/\w+/).size
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post.post_number ||= Topic.next_post_number(post.topic_id, post.reply_to_post_number.present?)
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cooking_options = post.cooking_options || {}
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cooking_options[:topic_id] = post.topic_id
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post.cooked ||= post.cook(post.raw, cooking_options.symbolize_keys)
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post.sort_order = post.post_number
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post.last_version_at ||= Time.now
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end
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def self.set_reply_info(post)
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return unless post.reply_to_post_number.present?
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reply_info = Post.where(topic_id: post.topic_id, post_number: post.reply_to_post_number)
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.select(:user_id, :post_type)
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.first
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if reply_info.present?
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post.reply_to_user_id ||= reply_info.user_id
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whisper_type = Post.types[:whisper]
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post.post_type = whisper_type if reply_info.post_type == whisper_type
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end
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end
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protected
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def build_post_stats
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if PostCreator.track_post_stats
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draft_key = @topic ? "topic_#{@topic.id}" : "new_topic"
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sequence = DraftSequence.current(@user, draft_key)
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revisions = Draft.where(sequence: sequence,
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user_id: @user.id,
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draft_key: draft_key).pluck(:revisions).first || 0
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@post.build_post_stat(
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drafts_saved: revisions,
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typing_duration_msecs: @opts[:typing_duration_msecs] || 0,
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composer_open_duration_msecs: @opts[:composer_open_duration_msecs] || 0
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)
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end
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end
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def trigger_after_events(post)
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DiscourseEvent.trigger(:topic_created, post.topic, @opts, @user) unless @opts[:topic_id]
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DiscourseEvent.trigger(:post_created, post, @opts, @user)
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end
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def transaction(&blk)
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Post.transaction do
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if new_topic?
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blk.call
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else
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# we need to ensure post_number is monotonically increasing with no gaps
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# so we serialize creation to avoid needing rollbacks
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DistributedMutex.synchronize("topic_id_#{@opts[:topic_id]}", &blk)
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end
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end
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end
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# You can supply an `embed_url` for a post to set up the embedded relationship.
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# This is used by the wp-discourse plugin to associate a remote post with a
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# discourse post.
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def create_embedded_topic
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return unless @opts[:embed_url].present?
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embed = TopicEmbed.new(topic_id: @post.topic_id, post_id: @post.id, embed_url: @opts[:embed_url])
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rollback_from_errors!(embed) unless embed.save
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end
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def handle_spam
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if @spam
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GroupMessage.create( Group[:moderators].name,
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:spam_post_blocked,
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{ user: @user,
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limit_once_per: 24.hours,
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message_params: {domains: @post.linked_hosts.keys.join(', ')} } )
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elsif @post && errors.blank? && !skip_validations?
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SpamRulesEnforcer.enforce!(@post)
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end
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end
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def track_latest_on_category
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return unless @post && @post.errors.count == 0 && @topic && @topic.category_id
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Category.where(id: @topic.category_id).update_all(latest_post_id: @post.id)
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Category.where(id: @topic.category_id).update_all(latest_topic_id: @topic.id) if @post.is_first_post?
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end
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def ensure_in_allowed_users
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return unless @topic.private_message?
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unless @topic.topic_allowed_users.where(user_id: @user.id).exists?
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@topic.topic_allowed_users.create!(user_id: @user.id)
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end
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end
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def unarchive_message
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return unless @topic.private_message? && @topic.id
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UserArchivedMessage.where(topic_id: @topic.id).destroy_all
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GroupArchivedMessage.where(topic_id: @topic.id).destroy_all
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end
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private
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def create_topic
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return if @topic
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begin
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topic_creator = TopicCreator.new(@user, guardian, @opts)
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@topic = topic_creator.create
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rescue ActiveRecord::Rollback
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add_errors_from(topic_creator)
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return
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end
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@post.topic_id = @topic.id
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@post.topic = @topic
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end
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def update_topic_stats
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return if @post.post_type == Post.types[:whisper]
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attrs = {
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last_posted_at: @post.created_at,
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last_post_user_id: @post.user_id,
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word_count: (@topic.word_count || 0) + @post.word_count,
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}
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attrs[:excerpt] = @post.excerpt(220, strip_links: true) if new_topic?
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attrs[:bumped_at] = @post.created_at unless @post.no_bump
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@topic.update_attributes(attrs)
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end
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def update_topic_auto_close
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if @topic.auto_close_based_on_last_post && @topic.auto_close_hours
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@topic.set_auto_close(@topic.auto_close_hours).save
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end
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end
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def setup_post
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@opts[:raw] = TextCleaner.normalize_whitespaces(@opts[:raw] || '').gsub(/\s+\z/, "")
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post = Post.new(raw: @opts[:raw],
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topic_id: @topic.try(:id),
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user: @user,
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reply_to_post_number: @opts[:reply_to_post_number])
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# Attributes we pass through to the post instance if present
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[:post_type, :no_bump, :cooking_options, :image_sizes, :acting_user, :invalidate_oneboxes, :cook_method, :via_email, :raw_email, :action_code].each do |a|
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post.send("#{a}=", @opts[a]) if @opts[a].present?
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end
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post.extract_quoted_post_numbers
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post.created_at = Time.zone.parse(@opts[:created_at].to_s) if @opts[:created_at].present?
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if fields = @opts[:custom_fields]
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post.custom_fields = fields
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end
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@post = post
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end
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def save_post
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@post.disable_rate_limits! if skip_validations?
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saved = @post.save(validate: !skip_validations?)
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rollback_from_errors!(@post) unless saved
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end
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def store_unique_post_key
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@post.store_unique_post_key
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end
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def update_user_counts
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@user.create_user_stat if @user.user_stat.nil?
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if @user.user_stat.first_post_created_at.nil?
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@user.user_stat.first_post_created_at = @post.created_at
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end
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@user.user_stat.post_count += 1
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@user.user_stat.topic_count += 1 if @post.is_first_post?
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# We don't count replies to your own topics
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if !@opts[:import_mode] && @user.id != @topic.user_id
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@user.user_stat.update_topic_reply_count
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end
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@user.user_stat.save!
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@user.update_attributes(last_posted_at: @post.created_at)
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end
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def publish
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return if @opts[:import_mode]
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return unless @post.post_number > 1
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@post.publish_change_to_clients! :created
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end
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def extract_links
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TopicLink.extract_from(@post)
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QuotedPost.extract_from(@post)
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end
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def track_topic
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return if @opts[:auto_track] == false
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TopicUser.change(@post.user_id,
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@topic.id,
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posted: true,
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last_read_post_number: @post.post_number,
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highest_seen_post_number: @post.post_number)
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# assume it took us 5 seconds of reading time to make a post
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PostTiming.record_timing(topic_id: @post.topic_id,
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user_id: @post.user_id,
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post_number: @post.post_number,
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msecs: 5000)
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if @user.staged
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TopicUser.auto_watch(@user.id, @topic.id)
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else
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TopicUser.auto_track(@user.id, @topic.id, TopicUser.notification_reasons[:created_post])
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end
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end
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def enqueue_jobs
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return unless @post && !@post.errors.present?
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PostJobsEnqueuer.new(@post, @topic, new_topic?, {import_mode: @opts[:import_mode]}).enqueue_jobs
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end
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def new_topic?
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@opts[:topic_id].blank?
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end
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end
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