discourse/lib/composer_messages_finder.rb

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# frozen_string_literal: true
class ComposerMessagesFinder
def initialize(user, details)
@user = user
@details = details
@topic = Topic.find_by(id: details[:topic_id]) if details[:topic_id]
end
def self.check_methods
@check_methods ||= instance_methods.find_all { |m| m =~ /\Acheck\_/ }
end
def find
return if editing_post?
self.class.check_methods.each do |m|
msg = public_send(m)
return msg if msg.present?
end
nil
end
# Determines whether to show the user education text
def check_education_message
return if @topic&.private_message?
if creating_topic?
count = @user.created_topic_count
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education_key = "education.new-topic"
else
count = @user.post_count
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education_key = "education.new-reply"
end
if count < SiteSetting.educate_until_posts
return(
{
id: "education",
templateName: "education",
wait_for_typing: true,
body:
PrettyText.cook(
I18n.t(
education_key,
education_posts_text:
I18n.t("education.until_posts", count: SiteSetting.educate_until_posts),
site_name: SiteSetting.title,
base_path: Discourse.base_path,
),
),
}
)
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])
{
id: "too_many_replies",
templateName: "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?(TrustLevel[1])
# We don't notify users who have avatars or who have been notified already.
if @user.uploaded_avatar_id || UserHistory.exists_for_user?(@user, :notified_about_avatar)
return
end
# Do not notify user if any of the following is true:
# - "disable avatar education message" is enabled
# - "sso overrides avatar" is enabled
# - "allow uploaded avatars" is disabled
if SiteSetting.disable_avatar_education_message ||
SiteSetting.discourse_connect_overrides_avatar ||
!@user.in_any_groups?(SiteSetting.uploaded_avatars_allowed_groups_map)
return
end
# 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
{
id: "avatar",
templateName: "education",
body:
PrettyText.cook(
I18n.t(
"education.avatar",
profile_path: "/u/#{@user.username_lower}/preferences/account#profile-picture",
),
),
}
end
# Is a user replying too much in succession?
def check_sequential_replies
return unless educate_reply?(:notified_about_sequential_replies)
# Count the posts 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)
.where(post_type: Post.types[:regular])
.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?
if recent_posts_user_ids.size != SiteSetting.sequential_replies_threshold ||
recent_posts_user_ids.detect { |u| u != @user.id }
return
end
# 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],
)
{
id: "sequential_replies",
templateName: "education",
wait_for_typing: true,
extraClass: "education-message",
hide_if_whisper: true,
body: PrettyText.cook(I18n.t("education.sequential_replies")),
}
end
def check_dominating_topic
return unless educate_reply?(:notified_about_dominating_topic)
if @topic.blank? || @topic.user_id == @user.id ||
@topic.posts_count < SiteSetting.summary_posts_required || @topic.private_message?
return
end
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],
)
{
id: "dominating_topic",
templateName: "dominating-topic",
wait_for_typing: true,
extraClass: "education-message dominating-topic-message",
body: PrettyText.cook(I18n.t("education.dominating_topic")),
}
end
def check_get_a_room(min_users_posted: 5)
return unless @user.guardian.can_send_private_messages?
return unless educate_reply?(:notified_about_get_a_room)
return if @details[:post_id].blank?
return if @topic.category&.read_restricted
reply_to_user_id = Post.where(id: @details[:post_id]).pluck(:user_id)[0]
# Users's last x posts in the topic
last_x_replies =
@topic
.posts
.where(user_id: @user.id)
.order("created_at desc")
.limit(SiteSetting.get_a_room_threshold)
.pluck(:reply_to_user_id)
.find_all { |uid| uid != @user.id && uid == reply_to_user_id }
return if last_x_replies.size != SiteSetting.get_a_room_threshold
return if @topic.posts.count("distinct user_id") < min_users_posted
UserHistory.create!(
action: UserHistory.actions[:notified_about_get_a_room],
target_user_id: @user.id,
topic_id: @details[:topic_id],
)
reply_username = User.where(id: last_x_replies[0]).pick(:username)
{
id: "get_a_room",
templateName: "get-a-room",
wait_for_typing: true,
reply_username: reply_username,
extraClass: "education-message get-a-room",
body:
PrettyText.cook(
I18n.t(
"education.get_a_room",
count: SiteSetting.get_a_room_threshold,
reply_username: reply_username,
base_path: Discourse.base_path,
),
),
}
end
def check_dont_feed_the_trolls
return if !replying?
post =
if @details[:post_id]
Post.find_by(id: @details[:post_id])
else
@topic&.first_post
end
return if post.blank?
flags = post.flags.active.group(:user_id).count
flagged_by_replier = flags[@user.id].to_i > 0
flagged_by_others = flags.values.sum >= SiteSetting.dont_feed_the_trolls_threshold
return if !flagged_by_replier && !flagged_by_others
{
id: "dont_feed_the_trolls",
templateName: "education",
wait_for_typing: false,
extraClass: "urgent",
body: PrettyText.cook(I18n.t("education.dont_feed_the_trolls")),
}
end
def check_reviving_old_topic
return unless replying?
if @topic.nil? || SiteSetting.warn_reviving_old_topic_age < 1 || @topic.last_posted_at.nil? ||
@topic.last_posted_at > SiteSetting.warn_reviving_old_topic_age.days.ago
return
end
{
id: "reviving_old",
templateName: "education",
wait_for_typing: false,
extraClass: "education-message",
body:
PrettyText.cook(
I18n.t(
"education.reviving_old_topic",
time_ago:
AgeWords.time_ago_in_words(
@topic.last_posted_at,
false,
scope: :"datetime.distance_in_words_verbose",
),
),
),
}
end
def self.user_not_seen_in_a_while(usernames)
User
.where(username_lower: usernames)
.where("last_seen_at < ?", SiteSetting.pm_warn_user_last_seen_months_ago.months.ago)
.pluck(:username)
.sort
end
private
def educate_reply?(type)
replying? && @details[:topic_id] && (@topic.present? && !@topic.private_message?) &&
(@user.post_count >= SiteSetting.educate_until_posts) &&
!UserHistory.exists_for_user?(@user, type, topic_id: @details[:topic_id])
end
def creating_topic?
@details[:composer_action] == "createTopic"
end
def replying?
@details[:composer_action] == "reply"
end
def editing_post?
@details[:composer_action] == "edit"
end
end