discourse-data-explorer/lib/report_generator.rb

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# frozen_string_literal: true
module ::DiscourseDataExplorer
class ReportGenerator
def initialize(creator_user_id)
@creator_user_id = creator_user_id
end
def generate(query_id, query_params, recipients)
query = DiscourseDataExplorer::Query.find(query_id)
return [] unless query
usernames = filter_recipients_by_query_access(recipients, query)
return [] if usernames.empty?
params = params_to_hash(query_params)
result = DataExplorer.run_query(query, params)
query.update!(last_run_at: Time.now)
table = ResultToMarkdown.convert(result[:pg_result])
build_report_pms(query, table, usernames)
end
def filter_recipients_by_query_access(recipients, query)
return [] if recipients.empty?
creator = User.find(@creator_user_id)
return [] unless Guardian.new(creator).can_send_private_messages?
recipients.reduce([]) do |names, recipient|
if (group = Group.find_by(name: recipient))
next names unless query.query_groups.exists?(group_id: group.id)
next names.concat group.users.pluck(:username)
elsif (user = User.find_by(username: recipient))
next names unless Guardian.new(user).user_can_access_query?(query)
next names << recipient
end
end
end
def params_to_hash(query_params)
params = JSON.parse(query_params)
params_hash = {}
if !params.blank?
param_key, param_value = [], []
params.flatten.each.with_index do |data, i|
if i % 2 == 0
param_key << data
else
param_value << data
end
end
params_hash = Hash[param_key.zip(param_value)]
end
params_hash
end
def build_report_pms(query, table = "", usernames = [])
pms = []
usernames.flatten.compact.uniq.each do |username|
pm = {}
pm["title"] = "Scheduled Report for #{query.name}"
pm["target_usernames"] = Array(username)
pm["raw"] = "Hi #{username}, your data explorer report is ready.\n\n" +
"Query Name:\n#{query.name}\n\nHere are the results:\n#{table}\n\n" +
"<a href='/admin/plugins/explorer?id=#{query.id}'>View query in Data Explorer</a>\n\n" +
"Report created at #{Time.zone.now.strftime("%Y-%m-%d at %H:%M:%S")} (#{Time.zone.name})"
pms << pm
end
pms
end
end
end