discourse/app/models/report.rb

417 lines
13 KiB
Ruby
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

# frozen_string_literal: true
class Report
# Change this line each time report format change
# and you want to ensure cache is reset
SCHEMA_VERSION = 4
FILTERS = [:name, :start_date, :end_date, :category, :group, :trust_level, :file_extension, :include_subcategories]
include Reports::PostEdits
include Reports::TopTrafficSources
include Reports::TopicsWithNoResponse
include Reports::DauByMau
include Reports::FlagsStatus
include Reports::Emails
include Reports::Likes
include Reports::SystemPrivateMessages
include Reports::UsersByType
include Reports::StorageStats
include Reports::NotifyModeratorsPrivateMessages
include Reports::SuspiciousLogins
include Reports::TopReferredTopics
include Reports::Signups
include Reports::NotifyUserPrivateMessages
include Reports::NewContributors
include Reports::TrendingSearch
include Reports::UserToUserPrivateMessages
include Reports::Flags
include Reports::Topics
include Reports::Posts
include Reports::Bookmarks
include Reports::StaffLogins
include Reports::DailyEngagedUsers
include Reports::UserToUserPrivateMessagesWithReplies
include Reports::MobileVisits
include Reports::TopReferrers
include Reports::WebCrawlers
include Reports::ModeratorsActivity
include Reports::TopIgnoredUsers
include Reports::UserFlaggingRatio
include Reports::TrustLevelGrowth
include Reports::ConsolidatedPageViews
include Reports::ConsolidatedApiRequests
include Reports::Visits
include Reports::TimeToFirstResponse
include Reports::UsersByTrustLevel
include Reports::ModeratorWarningPrivateMessages
include Reports::ProfileViews
include Reports::TopUploads
include Reports::TopUsersByLikesReceived
include Reports::TopUsersByLikesReceivedFromInferiorTrustLevel
include Reports::TopUsersByLikesReceivedFromAVarietyOfPeople
attr_accessor :type, :data, :total, :prev30Days, :start_date,
:end_date, :labels, :prev_period, :facets, :limit, :average,
:percent, :higher_is_better, :icon, :modes, :prev_data,
:prev_start_date, :prev_end_date, :dates_filtering, :error,
:primary_color, :secondary_color, :filters, :available_filters
def self.default_days
30
end
def self.default_labels
[
{
type: :date,
property: :x,
title: I18n.t("reports.default.labels.day")
},
{
type: :number,
property: :y,
title: I18n.t("reports.default.labels.count")
},
]
end
def initialize(type)
@type = type
@start_date ||= Report.default_days.days.ago.utc.beginning_of_day
@end_date ||= Time.now.utc.end_of_day
@prev_end_date = @start_date
@average = false
@percent = false
@higher_is_better = true
@modes = [:table, :chart]
@prev_data = nil
@dates_filtering = true
@available_filters = {}
@filters = {}
tertiary = ColorScheme.hex_for_name('tertiary') || '0088cc'
@primary_color = rgba_color(tertiary)
@secondary_color = rgba_color(tertiary, 0.1)
end
def self.cache_key(report)
[
"reports",
report.type,
report.start_date.to_date.strftime("%Y%m%d"),
report.end_date.to_date.strftime("%Y%m%d"),
report.facets,
report.limit,
report.filters.blank? ? nil : MultiJson.dump(report.filters),
SCHEMA_VERSION,
].compact.map(&:to_s).join(':')
end
def add_filter(name, options = {})
if options[:type].blank?
options[:type] = name
Discourse.deprecate("#{name} filter should define a `:type` option. Temporarily setting type to #{name}.", drop_from: '2.9.0')
end
available_filters[name] = options
end
def remove_filter(name)
available_filters.delete(name)
end
def add_category_filter
category_id = filters[:category].to_i if filters[:category].present?
add_filter('category', type: 'category', default: category_id)
return if category_id.blank?
include_subcategories = filters[:include_subcategories]
include_subcategories = !!ActiveRecord::Type::Boolean.new.cast(include_subcategories)
add_filter('include_subcategories', type: 'bool', default: include_subcategories)
[category_id, include_subcategories]
end
def self.clear_cache(type = nil)
pattern = type ? "reports:#{type}:*" : "reports:*"
Discourse.cache.keys(pattern).each do |key|
Discourse.cache.redis.del(key)
end
end
def self.wrap_slow_query(timeout = 20000)
ActiveRecord::Base.connection.transaction do
# Allows only read only transactions
DB.exec "SET TRANSACTION READ ONLY"
# Set a statement timeout so we can't tie up the server
DB.exec "SET LOCAL statement_timeout = #{timeout}"
yield
end
end
def prev_start_date
self.start_date - (self.end_date - self.start_date)
end
def prev_end_date
self.start_date
end
def as_json(options = nil)
description = I18n.t("reports.#{type}.description", default: "")
description_link = I18n.t("reports.#{type}.description_link", default: "")
{
type: type,
title: I18n.t("reports.#{type}.title", default: nil),
xaxis: I18n.t("reports.#{type}.xaxis", default: nil),
yaxis: I18n.t("reports.#{type}.yaxis", default: nil),
description: description.presence ? description : nil,
description_link: description_link.presence ? description_link : nil,
data: data,
start_date: start_date&.iso8601,
end_date: end_date&.iso8601,
prev_data: self.prev_data,
prev_start_date: prev_start_date&.iso8601,
prev_end_date: prev_end_date&.iso8601,
prev30Days: self.prev30Days,
dates_filtering: self.dates_filtering,
report_key: Report.cache_key(self),
primary_color: self.primary_color,
secondary_color: self.secondary_color,
available_filters: self.available_filters.map { |k, v| { id: k }.merge(v) },
labels: labels || Report.default_labels,
average: self.average,
percent: self.percent,
higher_is_better: self.higher_is_better,
modes: self.modes,
}.tap do |json|
json[:icon] = self.icon if self.icon
json[:error] = self.error if self.error
json[:total] = self.total if self.total
json[:prev_period] = self.prev_period if self.prev_period
json[:prev30Days] = self.prev30Days if self.prev30Days
json[:limit] = self.limit if self.limit
if type == 'page_view_crawler_reqs'
json[:related_report] = Report.find('web_crawlers', start_date: start_date, end_date: end_date)&.as_json
end
end
end
def Report.add_report(name, &block)
singleton_class.instance_eval { define_method("report_#{name}", &block) }
end
def self._get(type, opts = nil)
opts ||= {}
# Load the report
report = Report.new(type)
report.start_date = opts[:start_date] if opts[:start_date]
report.end_date = opts[:end_date] if opts[:end_date]
report.facets = opts[:facets] || [:total, :prev30Days]
report.limit = opts[:limit] if opts[:limit]
report.average = opts[:average] if opts[:average]
report.percent = opts[:percent] if opts[:percent]
report.filters = opts[:filters] if opts[:filters]
report.labels = Report.default_labels
report
end
def self.find_cached(type, opts = nil)
report = _get(type, opts)
Discourse.cache.read(cache_key(report))
end
def self.cache(report)
duration = report.error == :exception ? 1.minute : 35.minutes
Discourse.cache.write(cache_key(report), report.as_json, expires_in: duration)
end
def self.find(type, opts = nil)
opts ||= {}
begin
report = _get(type, opts)
report_method = :"report_#{type}"
begin
wrap_slow_query do
if respond_to?(report_method)
public_send(report_method, report)
elsif type =~ /_reqs$/
req_report(report, type.split(/_reqs$/)[0].to_sym)
else
return nil
end
end
rescue ActiveRecord::QueryCanceled, PG::QueryCanceled => e
report.error = :timeout
end
rescue Exception => e
# In test mode, don't swallow exceptions by default to help debug errors.
raise if Rails.env.test? && !opts[:wrap_exceptions_in_test]
# ensures that if anything unexpected prevents us from
# creating a report object we fail elegantly and log an error
if !report
Rails.logger.error("Couldnt create report `#{type}`: <#{e.class} #{e.message}>")
return nil
end
report.error = :exception
# given reports can be added by plugins we dont want dashboard failures
# on report computation, however we do want to log which report is provoking
# an error
Rails.logger.error("Error while computing report `#{report.type}`: #{e.message}\n#{e.backtrace.join("\n")}")
end
report
end
def self.req_report(report, filter = nil)
data =
if filter == :page_view_total
ApplicationRequest.where(req_type: [
ApplicationRequest.req_types.reject { |k, v| k =~ /mobile/ }.map { |k, v| v if k =~ /page_view/ }.compact
].flatten)
else
ApplicationRequest.where(req_type: ApplicationRequest.req_types[filter])
end
if filter == :page_view_total
report.icon = 'file'
end
report.data = []
data.where('date >= ? AND date <= ?', report.start_date, report.end_date)
.order(date: :asc)
.group(:date)
.sum(:count)
.each do |date, count|
report.data << { x: date, y: count }
end
report.total = data.sum(:count)
report.prev30Days = data.where(
'date >= ? AND date < ?',
(report.start_date - 31.days), report.start_date
).sum(:count)
end
def self.report_about(report, subject_class, report_method = :count_per_day)
basic_report_about report, subject_class, report_method, report.start_date, report.end_date
add_counts report, subject_class
end
def self.basic_report_about(report, subject_class, report_method, *args)
report.data = []
subject_class.public_send(report_method, *args).each do |date, count|
report.data << { x: date, y: count }
end
end
def self.add_prev_data(report, subject_class, report_method, *args)
if report.modes.include?(:chart) && report.facets.include?(:prev_period)
prev_data = subject_class.public_send(report_method, *args)
report.prev_data = prev_data.map { |k, v| { x: k, y: v } }
end
end
def self.add_counts(report, subject_class, query_column = 'created_at')
if report.facets.include?(:prev_period)
prev_data = subject_class
.where("#{query_column} >= ? and #{query_column} < ?",
report.prev_start_date,
report.prev_end_date)
report.prev_period = prev_data.count
end
if report.facets.include?(:total)
report.total = subject_class.count
end
if report.facets.include?(:prev30Days)
report.prev30Days = subject_class
.where("#{query_column} >= ? and #{query_column} < ?",
report.start_date - 30.days,
report.start_date).count
end
end
def self.post_action_report(report, post_action_type)
category_id, include_subcategories = report.add_category_filter
report.data = []
PostAction.count_per_day_for_type(post_action_type, category_id: category_id, include_subcategories: include_subcategories, start_date: report.start_date, end_date: report.end_date).each do |date, count|
report.data << { x: date, y: count }
end
countable = PostAction.unscoped.where(post_action_type_id: post_action_type)
if category_id
if include_subcategories
countable = countable.joins(post: :topic).where('topics.category_id IN (?)', Category.subcategory_ids(category_id))
else
countable = countable.joins(post: :topic).where('topics.category_id = ?', category_id)
end
end
add_counts report, countable, 'post_actions.created_at'
end
def self.private_messages_report(report, topic_subtype)
report.icon = 'envelope'
subject = Topic.where('topics.user_id > 0')
basic_report_about report, subject, :private_message_topics_count_per_day, report.start_date, report.end_date, topic_subtype
subject = Topic.private_messages.where('topics.user_id > 0').with_subtype(topic_subtype)
add_counts report, subject, 'topics.created_at'
end
def lighten_color(hex, amount)
hex = adjust_hex(hex)
rgb = hex.scan(/../).map { |color| color.hex }
rgb[0] = [(rgb[0].to_i + 255 * amount).round, 255].min
rgb[1] = [(rgb[1].to_i + 255 * amount).round, 255].min
rgb[2] = [(rgb[2].to_i + 255 * amount).round, 255].min
"#%02x%02x%02x" % rgb
end
def rgba_color(hex, opacity = 1)
rgbs = hex_to_rgbs(adjust_hex(hex))
"rgba(#{rgbs.join(',')},#{opacity})"
end
private
def adjust_hex(hex)
hex = hex.gsub('#', '')
if hex.size == 3
chars = hex.scan(/\w/)
hex = chars.zip(chars).flatten.join
end
if hex.size < 3
hex = hex.ljust(6, hex.last)
end
hex
end
def hex_to_rgbs(hex_color)
hex_color = hex_color.gsub('#', '')
rgbs = hex_color.scan(/../)
rgbs
.map! { |color| color.hex }
.map! { |rgb| rgb.to_i }
end
end