discourse-ai/lib/automation/report_context_generator.rb

226 lines
7.2 KiB
Ruby

# frozen_string_literal: true
module DiscourseAi
module Automation
class ReportContextGenerator
def self.generate(**args)
new(**args).generate
end
def initialize(
start_date:,
duration:,
category_ids: nil,
tags: nil,
allow_secure_categories: false,
max_posts: 200,
tokens_per_post: 100,
tokenizer: nil,
prioritized_group_ids: []
)
@start_date = start_date
@duration = duration
@category_ids = category_ids
@tags = tags
@allow_secure_categories = allow_secure_categories
@max_posts = max_posts
@tokenizer = tokenizer || DiscourseAi::Tokenizer::OpenAiTokenizer
@tokens_per_post = tokens_per_post
@prioritized_group_ids = prioritized_group_ids
@posts =
Post
.where("posts.created_at >= ?", @start_date)
.joins(topic: :category)
.includes(:topic, :user)
.where("posts.created_at < ?", @start_date + @duration)
.where("posts.post_type = ?", Post.types[:regular])
.where("posts.hidden_at IS NULL")
.where("topics.deleted_at IS NULL")
.where("topics.archetype = ?", Archetype.default)
@posts = @posts.where("categories.read_restricted = ?", false) if !@allow_secure_categories
@posts = @posts.where("categories.id IN (?)", @category_ids) if @category_ids.present?
if @tags.present?
tag_ids = Tag.where(name: @tags).select(:id)
topic_ids_with_tags = TopicTag.where(tag_id: tag_ids).select(:topic_id)
@posts = @posts.where(topic_id: topic_ids_with_tags)
end
@solutions = {}
if defined?(::DiscourseSolved)
TopicCustomField
.where(name: ::DiscourseSolved::ACCEPTED_ANSWER_POST_ID_CUSTOM_FIELD)
.where(topic_id: @posts.select(:topic_id))
.pluck(:topic_id, :value)
.each do |topic_id, post_id|
@solutions[topic_id] ||= Set.new
@solutions[topic_id] << post_id.to_i
end
end
end
def format_topic(topic)
info = []
info << ""
info << "### #{topic.title}"
info << "topic_id: #{topic.id}"
info << "solved: true" if @solutions.key?(topic.id)
info << "category: #{topic.category&.name}"
tags = topic.tags.pluck(:name)
info << "tags: #{topic.tags.pluck(:name).join(", ")}" if tags.present?
info << topic.created_at.strftime("%Y-%m-%d %H:%M")
{ created_at: topic.created_at, info: info.join("\n"), posts: {} }
end
def format_post(post)
buffer = []
buffer << ""
buffer << "post_number: #{post.post_number}"
if @solutions.key?(post.topic_id) && @solutions[post.topic_id].include?(post.id)
buffer << "solution: true"
end
buffer << post.created_at.strftime("%Y-%m-%d %H:%M")
buffer << "user: #{post.user&.username}"
buffer << "likes: #{post.like_count}"
excerpt = @tokenizer.truncate(post.raw, @tokens_per_post)
excerpt = "excerpt: #{excerpt}..." if excerpt.length < post.raw.length
buffer << "#{excerpt}"
{ likes: post.like_count, info: buffer.join("\n") }
end
def format_summary
topic_count =
@posts
.where("topics.created_at > ?", @start_date)
.select(:topic_id)
.distinct(:topic_id)
.count
buffer = []
buffer << "Start Date: #{@start_date.to_date}"
buffer << "End Date: #{(@start_date + @duration).to_date}"
buffer << "New posts: #{@posts.count}"
buffer << "New topics: #{topic_count}"
top_users =
Post
.where(id: @posts.select(:id))
.joins(:user)
.group(:user_id, :username)
.select(
"user_id, username, sum(posts.like_count) like_count, count(posts.id) post_count",
)
.order("sum(posts.like_count) desc")
.limit(10)
buffer << "Top users:"
top_users.each do |user|
buffer << "@#{user.username} (#{user.like_count} likes, #{user.post_count} posts)"
end
if @prioritized_group_ids.present?
group_names =
Group
.where(id: @prioritized_group_ids)
.pluck(:name, :full_name)
.map do |name, full_name|
if full_name.present?
"#{name} (#{full_name[0..100].gsub("\n", " ")})"
else
name
end
end
.join(", ")
buffer << ""
buffer << "Top users in #{group_names} group#{group_names.include?(",") ? "s" : ""}:"
group_users = GroupUser.where(group_id: @prioritized_group_ids).select(:user_id)
top_users
.where(user_id: group_users)
.each do |user|
buffer << "@#{user.username} (#{user.like_count} likes, #{user.post_count} posts)"
end
end
buffer.join("\n")
end
def format_topics
buffer = []
topics = {}
post_count = 0
@posts = @posts.order("posts.like_count desc, posts.created_at desc")
if @prioritized_group_ids.present?
user_groups = GroupUser.where(group_id: @prioritized_group_ids)
prioritized_posts = @posts.where(user_id: user_groups.select(:user_id)).limit(@max_posts)
post_count += add_posts(prioritized_posts, topics)
end
add_posts(@posts.limit(@max_posts), topics, limit: @max_posts - post_count)
# we need last posts in all topics
# they may have important info
last_posts =
@posts.where("posts.post_number = topics.highest_post_number").where(
"topics.id IN (?)",
topics.keys,
)
add_posts(last_posts, topics)
topics.each do |topic_id, topic_info|
topic_info[:post_likes] = topic_info[:posts].sum { |_, post_info| post_info[:likes] }
end
topics = topics.sort { |a, b| b[1][:post_likes] <=> a[1][:post_likes] }
topics.each do |topic_id, topic_info|
buffer << topic_info[:info]
last_post_number = 0
topic_info[:posts]
.sort { |a, b| a[0] <=> b[0] }
.each do |post_number, post_info|
buffer << "\n..." if post_number > last_post_number + 1
buffer << post_info[:info]
last_post_number = post_number
end
end
buffer.join("\n")
end
def generate
buffer = []
buffer << "## Summary"
buffer << format_summary
buffer << "\n## Topics"
buffer << format_topics
buffer.join("\n")
end
def add_posts(relation, topics, limit: nil)
post_count = 0
relation.each do |post|
topics[post.topic_id] ||= format_topic(post.topic)
if !topics[post.topic_id][:posts][post.post_number]
topics[post.topic_id][:posts][post.post_number] = format_post(post)
post_count += 1
limit -= 1 if limit
end
break if limit && limit <= 0
end
post_count
end
end
end
end