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Merge pull request #4191 from gschlager/phpbb3-importer-polls

Browse source 
Fix import of polls from phpBB3
This commit is contained in:
Régis Hanol 2016-04-25 10:32:43 +02:00
commit 38d0697b2f
6 changed files with 124 additions and 52 deletions
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15
plugins/poll/plugin.rb
View file

@ -61,7 +61,7 @@ after_initialize do
raise StandardError.new I18n.t("poll.requires_at_least_1_valid_option") if options.empty?
poll["voters"] = 0
poll["voters"] = poll["anonymous_voters"] || 0
all_options = Hash.new(0)
post.custom_fields[VOTES_CUSTOM_FIELD] ||= {}
@ -74,7 +74,10 @@ after_initialize do
poll["voters"] += 1 if (available_options & votes.to_set).size > 0
end
poll["options"].each { |o| o["votes"] = all_options[o["id"]] }
poll["options"].each do |option|
anonymous_votes = option["anonymous_votes"] || 0
option["votes"] = all_options[option["id"]] + anonymous_votes
end
post.custom_fields[POLLS_CUSTOM_FIELD] = polls
post.save_custom_fields(true)
@ -327,8 +330,14 @@ after_initialize do
end
polls[poll_name]["voters"] = previous_polls[poll_name]["voters"]
polls[poll_name]["anonymous_voters"] = previous_polls[poll_name]["anonymous_voters"] if previous_polls[poll_name].has_key?("anonymous_voters")
for o in 0...polls[poll_name]["options"].size
polls[poll_name]["options"][o]["votes"] = previous_polls[poll_name]["options"][o]["votes"]
current_option = polls[poll_name]["options"][o]
previous_option = previous_polls[poll_name]["options"][o]
current_option["votes"] = previous_option["votes"]
current_option["anonymous_votes"] = previous_option["anonymous_votes"] if previous_option.has_key?("anonymous_votes")
end
end

13
plugins/poll/spec/controllers/polls_controller_spec.rb
View file

@ -1,4 +1,5 @@
require "rails_helper"
require_relative "../helpers"
describe ::DiscoursePoll::PollsController do
routes { ::DiscoursePoll::Engine.routes }
@ -85,6 +86,18 @@ describe ::DiscoursePoll::PollsController do
expect(json["errors"][0]).to eq(I18n.t("poll.poll_must_be_open_to_vote"))
end
it "doesn't discard anonymous votes when someone votes" do
default_poll = poll.custom_fields["polls"]["poll"]
add_anonymous_votes(poll, default_poll, 17, {"5c24fc1df56d764b550ceae1b9319125" => 11, "e89dec30bbd9bf50fabf6a05b4324edf" => 6})
xhr :put, :vote, { post_id: poll.id, poll_name: "poll", options: ["5c24fc1df56d764b550ceae1b9319125"] }
expect(response).to be_success
json = ::JSON.parse(response.body)
expect(json["poll"]["voters"]).to eq(18)
expect(json["poll"]["options"][0]["votes"]).to eq(12)
expect(json["poll"]["options"][1]["votes"]).to eq(6)
end
end
describe "#toggle_status" do

22
plugins/poll/spec/controllers/posts_controller_spec.rb
View file

@ -1,4 +1,5 @@
require "rails_helper"
require_relative "../helpers"
describe PostsController do
let!(:user) { log_in }
@ -165,12 +166,31 @@ describe PostsController do
expect(json["errors"][0]).to eq(I18n.t("poll.op_cannot_edit_options_after_5_minutes"))
end
it "staff can change the options" do
it "staff can change the options and votes are merged" do
log_in_user(Fabricate(:moderator))
xhr :put, :update, { id: post_id, post: { raw: new_option } }
expect(response).to be_success
json = ::JSON.parse(response.body)
expect(json["post"]["polls"]["poll"]["options"][1]["html"]).to eq("C")
expect(json["post"]["polls"]["poll"]["voters"]).to eq(1)
expect(json["post"]["polls"]["poll"]["options"][0]["votes"]).to eq(1)
expect(json["post"]["polls"]["poll"]["options"][1]["votes"]).to eq(0)
end
it "staff can change the options and anonymous votes are merged" do
post = Post.find_by(id: post_id)
default_poll = post.custom_fields["polls"]["poll"]
add_anonymous_votes(post, default_poll, 7, {"5c24fc1df56d764b550ceae1b9319125" => 7})
log_in_user(Fabricate(:moderator))
xhr :put, :update, { id: post_id, post: { raw: new_option } }
expect(response).to be_success
json = ::JSON.parse(response.body)
expect(json["post"]["polls"]["poll"]["options"][1]["html"]).to eq("C")
expect(json["post"]["polls"]["poll"]["voters"]).to eq(8)
expect(json["post"]["polls"]["poll"]["options"][0]["votes"]).to eq(8)
expect(json["post"]["polls"]["poll"]["options"][1]["votes"]).to eq(0)
end
it "support changes on the post" do

17
plugins/poll/spec/helpers.rb Normal file
View file

@ -0,0 +1,17 @@
module Helpers
def add_anonymous_votes(post, poll, voters, options_with_votes)
poll["voters"] += voters
poll["anonymous_voters"] = voters
poll["options"].each do |option|
anonymous_votes = options_with_votes[option["id"]] || 0
if anonymous_votes > 0
option["votes"] += anonymous_votes
option["anonymous_votes"] = anonymous_votes
end
end
post.save_custom_fields(true)
end
end

37
script/import_scripts/phpbb3/database/database_3_0.rb
View file

@ -95,33 +95,50 @@ module ImportScripts::PhpBB3
def fetch_poll_options(topic_id)
query(<<-SQL)
SELECT poll_option_id, poll_option_text, poll_option_total
FROM #{@table_prefix}_poll_options
WHERE topic_id = #{topic_id}
ORDER BY poll_option_id
SELECT o.poll_option_id, o.poll_option_text, o.poll_option_total AS total_votes,
o.poll_option_total - (
SELECT COUNT(DISTINCT v.vote_user_id)
FROM #{@table_prefix}_poll_votes v
JOIN #{@table_prefix}_users u ON (v.vote_user_id = u.user_id)
JOIN #{@table_prefix}_topics t ON (v.topic_id = t.topic_id)
WHERE v.poll_option_id = o.poll_option_id AND v.topic_id = o.topic_id
) AS anonymous_votes
FROM #{@table_prefix}_poll_options o
WHERE o.topic_id = #{topic_id}
ORDER BY o.poll_option_id
SQL
end
def fetch_poll_votes(topic_id)
# this query ignores votes from users that do not exist anymore
# this query ignores invalid votes that belong to non-existent users or topics
query(<<-SQL)
SELECT u.user_id, v.poll_option_id
FROM #{@table_prefix}_poll_votes v
JOIN #{@table_prefix}_poll_options o ON (v.poll_option_id = o.poll_option_id AND v.topic_id = o.topic_id)
JOIN #{@table_prefix}_users u ON (v.vote_user_id = u.user_id)
JOIN #{@table_prefix}_topics t ON (v.topic_id = t.topic_id)
WHERE v.topic_id = #{topic_id}
SQL
end
def count_voters(topic_id)
def get_voters(topic_id)
# anonymous voters can't be counted, but lets try to make the count look "correct" anyway
count(<<-SQL)
SELECT MAX(count) AS count
query(<<-SQL).first
SELECT MAX(x.total_voters) AS total_voters,
MAX(x.total_voters) - (
SELECT COUNT(DISTINCT v.vote_user_id)
FROM #{@table_prefix}_poll_votes v
JOIN #{@table_prefix}_poll_options o ON (v.poll_option_id = o.poll_option_id AND v.topic_id = o.topic_id)
JOIN #{@table_prefix}_users u ON (v.vote_user_id = u.user_id)
JOIN #{@table_prefix}_topics t ON (v.topic_id = t.topic_id)
WHERE v.topic_id = #{topic_id}
) AS anonymous_voters
FROM (
SELECT COUNT(DISTINCT vote_user_id) AS count
SELECT COUNT(DISTINCT vote_user_id) AS total_voters
FROM #{@table_prefix}_poll_votes
WHERE topic_id = #{topic_id}
UNION
SELECT MAX(poll_option_total) AS count
SELECT MAX(poll_option_total) AS total_voters
FROM #{@table_prefix}_poll_options
WHERE topic_id = #{topic_id}
) x

66
script/import_scripts/phpbb3/importers/poll_importer.rb
View file

@ -24,15 +24,17 @@ module ImportScripts::PhpBB3
return if extracted_poll.nil?
update_poll(extracted_poll, options, topic_id, poll)
update_poll_metadata(extracted_poll, topic_id, poll)
update_poll_options(extracted_poll, options, poll)
mapped_poll = {
raw: poll_text,
custom_fields: {}
}
add_polls_field(mapped_poll[:custom_fields], extracted_poll)
add_vote_fields(mapped_poll[:custom_fields], topic_id, poll)
add_poll_to_custom_fields(mapped_poll[:custom_fields], extracted_poll)
add_votes_to_custom_fields(mapped_poll[:custom_fields], topic_id, poll)
mapped_poll
end
@ -40,23 +42,17 @@ module ImportScripts::PhpBB3
def get_poll_options(topic_id)
rows = @database.fetch_poll_options(topic_id)
options_by_text = {}
options_by_text = Hash.new { |h, k| h[k] = {ids: [], total_votes: 0, anonymous_votes: 0} }
rows.each do |row|
option_text = @text_processor.process_raw_text(row[:poll_option_text]).delete("\n")
if options_by_text.key?(option_text)
# phpBB allows duplicate options (why?!) - we need to merge them
option = options_by_text[option_text]
option[:ids] << row[:poll_option_id]
option[:votes] += row[:poll_option_total]
else
options_by_text[option_text] = {
ids: [row[:poll_option_id]],
text: option_text,
votes: row[:poll_option_total]
}
end
option[:text] = option_text
option[:total_votes] += row[:total_votes]
option[:anonymous_votes] += row[:anonymous_votes]
end
options_by_text.values
@ -91,47 +87,47 @@ module ImportScripts::PhpBB3
end
# @param poll [ImportScripts::PhpBB3::Poll]
def update_poll(default_poll, imported_options, topic_id, poll)
default_poll['voters'] = @database.count_voters(topic_id) # this includes anonymous voters
default_poll['status'] = poll.has_ended? ? :open : :closed
def update_poll_metadata(extracted_poll, topic_id, poll)
row = @database.get_voters(topic_id)
default_poll['options'].each_with_index do |option, index|
extracted_poll['voters'] = row[:total_voters]
extracted_poll['anonymous_voters'] = row[:anonymous_voters] if row[:anonymous_voters] > 0
extracted_poll['status'] = poll.has_ended? ? :open : :closed
end
# @param poll [ImportScripts::PhpBB3::Poll]
def update_poll_options(extracted_poll, imported_options, poll)
extracted_poll['options'].each_with_index do |option, index|
imported_option = imported_options[index]
option['votes'] = imported_option[:votes]
option['votes'] = imported_option[:total_votes]
option['anonymous_votes'] = imported_option[:anonymous_votes] if imported_option[:anonymous_votes] > 0
poll.add_option_id(imported_option[:ids], option['id'])
end
end
def add_polls_field(custom_fields, default_poll)
custom_fields[@polls_field] = {@default_poll_name => default_poll}
# @param custom_fields [Hash]
def add_poll_to_custom_fields(custom_fields, extracted_poll)
custom_fields[@polls_field] = {@default_poll_name => extracted_poll}
end
# @param custom_fields [Hash]
# @param poll [ImportScripts::PhpBB3::Poll]
def add_vote_fields(custom_fields, topic_id, poll)
def add_votes_to_custom_fields(custom_fields, topic_id, poll)
rows = @database.fetch_poll_votes(topic_id)
warned = false
votes = {}
rows.each do |row|
option_id = poll.option_id_from_imported_option_id(row[:poll_option_id])
user_id = @lookup.user_id_from_imported_user_id(row[:user_id])
if option_id.present? && user_id.present?
key = "#{@votes_field}-#{user_id}"
if custom_fields.key?(key)
votes = custom_fields[key][@default_poll_name]
else
votes = []
custom_fields[key] = {@default_poll_name => votes}
user_votes = votes["#{user_id}"] ||= {}
user_votes = user_votes[@default_poll_name] ||= []
user_votes << option_id
end
end
votes << option_id
elsif !warned
warned = true
Rails.logger.warn("Topic with id #{topic_id} has invalid votes.")
end
end
custom_fields[@votes_field] = votes
end
end