127 lines
4.3 KiB
Ruby
127 lines
4.3 KiB
Ruby
require_dependency 'validators/stripped_length_validator'
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module Validators; end
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class Validators::PostValidator < ActiveModel::Validator
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def validate(record)
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presence(record)
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return if record.acting_user.try(:staged?)
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return if record.acting_user.try(:admin?) && Discourse.static_doc_topic_ids.include?(record.topic_id)
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post_body_validator(record)
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max_posts_validator(record)
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max_mention_validator(record)
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max_images_validator(record)
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max_attachments_validator(record)
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max_links_validator(record)
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unique_post_validator(record)
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end
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def presence(post)
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unless options[:skip_topic]
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post.errors.add(:topic_id, :blank, options) if post.topic_id.blank?
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end
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if post.new_record? and post.user_id.nil?
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post.errors.add(:user_id, :blank, options)
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end
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end
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def post_body_validator(post)
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return if options[:skip_post_body] || post.topic&.pm_with_non_human_user?
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stripped_length(post)
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raw_quality(post)
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end
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def stripped_length(post)
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range = if private_message?(post)
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# private message
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SiteSetting.private_message_post_length
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elsif post.is_first_post? || (post.topic.present? && post.topic.posts_count == 0)
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# creating/editing first post
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post.topic&.featured_link&.present? ? (0..SiteSetting.max_post_length) : SiteSetting.first_post_length
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else
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# regular post
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SiteSetting.post_length
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end
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Validators::StrippedLengthValidator.validate(post, :raw, post.raw, range)
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end
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def raw_quality(post)
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sentinel = TextSentinel.body_sentinel(post.raw, private_message: private_message?(post))
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post.errors.add(:raw, I18n.t(:is_invalid)) unless sentinel.valid?
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end
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# Ensure maximum amount of mentions in a post
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def max_mention_validator(post)
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return if post.acting_user.try(:staff?)
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if acting_user_is_trusted?(post) || private_message?(post)
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add_error_if_count_exceeded(post, :no_mentions_allowed, :too_many_mentions, post.raw_mentions.size, SiteSetting.max_mentions_per_post)
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else
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add_error_if_count_exceeded(post, :no_mentions_allowed_newuser, :too_many_mentions_newuser, post.raw_mentions.size, SiteSetting.newuser_max_mentions_per_post)
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end
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end
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def max_posts_validator(post)
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if post.new_record? && post.acting_user.present? && post.acting_user.posted_too_much_in_topic?(post.topic_id)
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post.errors.add(:base, I18n.t(:too_many_replies, count: SiteSetting.newuser_max_replies_per_topic))
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end
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end
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# Ensure new users can not put too many images in a post
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def max_images_validator(post)
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return if acting_user_is_trusted?(post) || private_message?(post)
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add_error_if_count_exceeded(post, :no_images_allowed, :too_many_images, post.image_count, SiteSetting.newuser_max_images)
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end
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# Ensure new users can not put too many attachments in a post
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def max_attachments_validator(post)
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return if acting_user_is_trusted?(post) || private_message?(post)
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add_error_if_count_exceeded(post, :no_attachments_allowed, :too_many_attachments, post.attachment_count, SiteSetting.newuser_max_attachments)
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end
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# Ensure new users can not put too many links in a post
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def max_links_validator(post)
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return if acting_user_is_trusted?(post) || private_message?(post)
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add_error_if_count_exceeded(post, :no_links_allowed, :too_many_links, post.link_count, SiteSetting.newuser_max_links)
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end
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# Stop us from posting the same thing too quickly
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def unique_post_validator(post)
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return if SiteSetting.unique_posts_mins == 0
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return if post.skip_unique_check
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return if post.acting_user.try(:staff?)
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# If the post is empty, default to the validates_presence_of
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return if post.raw.blank?
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if post.matches_recent_post?
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post.errors.add(:raw, I18n.t(:just_posted_that))
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end
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end
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private
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def acting_user_is_trusted?(post)
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post.acting_user.present? && post.acting_user.has_trust_level?(TrustLevel[1])
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end
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def private_message?(post)
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post.topic.try(:private_message?)
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end
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def add_error_if_count_exceeded(post, not_allowed_translation_key, limit_translation_key, current_count, max_count)
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if current_count > max_count
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if max_count == 0
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post.errors.add(:base, I18n.t(not_allowed_translation_key))
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else
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post.errors.add(:base, I18n.t(limit_translation_key, count: max_count))
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end
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end
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end
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end
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