discourse/lib/composer_messages_finder.rb

155 lines
5.7 KiB
Ruby

class ComposerMessagesFinder
def initialize(user, details)
@user = user
@details = details
end
def find
check_reviving_old_topic ||
check_education_message ||
check_new_user_many_replies ||
check_avatar_notification ||
check_sequential_replies ||
check_dominating_topic
end
# Determines whether to show the user education text
def check_education_message
if creating_topic?
count = @user.created_topic_count
education_key = :education_new_topic
else
count = @user.post_count
education_key = :education_new_reply
end
if count < SiteSetting.educate_until_posts
education_posts_text = I18n.t('education.until_posts', count: SiteSetting.educate_until_posts)
return {templateName: 'composer/education',
wait_for_typing: true,
body: PrettyText.cook(SiteContent.content_for(education_key, education_posts_text: education_posts_text)) }
end
nil
end
# New users have a limited number of replies in a topic
def check_new_user_many_replies
return unless replying? && @user.posted_too_much_in_topic?(@details[:topic_id])
{templateName: 'composer/education', body: PrettyText.cook(I18n.t('education.too_many_replies', newuser_max_replies_per_topic: SiteSetting.newuser_max_replies_per_topic)) }
end
# Should a user be contacted to update their avatar?
def check_avatar_notification
# A user has to be basic at least to be considered for an avatar notification
return unless @user.has_trust_level?(:basic)
# We don't notify users who have avatars or who have been notified already.
return if @user.user_stat.has_custom_avatar? || UserHistory.exists_for_user?(@user, :notified_about_avatar)
# Finally, we don't check users whose avatars haven't been examined
return unless UserHistory.exists_for_user?(@user, :checked_for_custom_avatar)
# If we got this far, log that we've nagged them about the avatar
UserHistory.create!(action: UserHistory.actions[:notified_about_avatar], target_user_id: @user.id )
# Return the message
{templateName: 'composer/education', body: PrettyText.cook(I18n.t('education.avatar', profile_path: "/users/#{@user.username_lower}")) }
end
# Is a user replying too much in succession?
def check_sequential_replies
# We only care about replies to topics
return unless replying? && @details[:topic_id] &&
# And who have posted enough
(@user.post_count >= SiteSetting.educate_until_posts) &&
# And who haven't been notified about sequential replies already
!UserHistory.exists_for_user?(@user, :notified_about_sequential_replies, topic_id: @details[:topic_id])
# Count the topics made by this user in the last day
recent_posts_user_ids = Post.where(topic_id: @details[:topic_id])
.where("created_at > ?", 1.day.ago)
.order('created_at desc')
.limit(SiteSetting.sequential_replies_threshold)
.pluck(:user_id)
# Did we get back as many posts as we asked for, and are they all by the current user?
return if recent_posts_user_ids.size != SiteSetting.sequential_replies_threshold ||
recent_posts_user_ids.detect {|u| u != @user.id }
# If we got this far, log that we've nagged them about the sequential replies
UserHistory.create!(action: UserHistory.actions[:notified_about_sequential_replies],
target_user_id: @user.id,
topic_id: @details[:topic_id] )
{templateName: 'composer/education',
wait_for_typing: true,
extraClass: 'urgent',
body: PrettyText.cook(I18n.t('education.sequential_replies')) }
end
def check_dominating_topic
# We only care about replies to topics for a user who has posted enough
return unless replying? &&
@details[:topic_id] &&
(@user.post_count >= SiteSetting.educate_until_posts) &&
!UserHistory.exists_for_user?(@user, :notified_about_dominating_topic, topic_id: @details[:topic_id])
topic = Topic.where(id: @details[:topic_id]).first
return if topic.blank? ||
topic.user_id == @user.id ||
topic.posts_count < SiteSetting.summary_posts_required ||
topic.archetype == Archetype.private_message
posts_by_user = @user.posts.where(topic_id: topic.id).count
ratio = (posts_by_user.to_f / topic.posts_count.to_f)
return if ratio < (SiteSetting.dominating_topic_minimum_percent.to_f / 100.0)
# Log the topic notification
UserHistory.create!(action: UserHistory.actions[:notified_about_dominating_topic],
target_user_id: @user.id,
topic_id: @details[:topic_id])
{templateName: 'composer/education',
wait_for_typing: true,
extraClass: 'urgent',
body: PrettyText.cook(I18n.t('education.dominating_topic', percent: (ratio * 100).round)) }
end
def check_reviving_old_topic
return unless @details[:topic_id]
topic = Topic.where(id: @details[:topic_id]).first
return unless replying?
return if topic.nil? ||
SiteSetting.warn_reviving_old_topic_age < 1 ||
topic.last_posted_at > SiteSetting.warn_reviving_old_topic_age.days.ago
{templateName: 'composer/education',
wait_for_typing: false,
extraClass: 'urgent',
body: PrettyText.cook(I18n.t('education.reviving_old_topic', days: (Time.zone.now - topic.last_posted_at).round / 1.day)) }
end
private
def creating_topic?
return @details[:composerAction] == "createTopic"
end
def replying?
return @details[:composerAction] == "reply"
end
end