discourse/plugins/poll/db/migrate/20151016163051_merge_polls_votes.rb
Sam Saffron 30990006a9 DEV: enable frozen string literal on all files
This reduces chances of errors where consumers of strings mutate inputs
and reduces memory usage of the app.

Test suite passes now, but there may be some stuff left, so we will run
a few sites on a branch prior to merging
2019-05-13 09:31:32 +08:00

23 lines
653 B
Ruby

# frozen_string_literal: true
class MergePollsVotes < ActiveRecord::Migration[4.2]
def up
PostCustomField.where(name: "polls").order(:post_id).pluck(:post_id).each do |post_id|
polls_votes = {}
PostCustomField.where(post_id: post_id).where("name LIKE 'polls-votes-%'").find_each do |pcf|
user_id = pcf.name["polls-votes-".size..-1]
polls_votes["#{user_id}"] = ::JSON.parse(pcf.value || "{}")
end
pcf = PostCustomField.find_or_create_by(name: "polls-votes", post_id: post_id)
pcf.value = ::JSON.parse(pcf.value || "{}").merge(polls_votes).to_json
pcf.save
end
end
def down
end
end