discourse/script/discourse

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#!/usr/bin/env ruby
require "thor"
class DiscourseCLI < Thor
class_option :verbose, default: false, aliases: :v
desc "remap", "Remap a string sequence accross all tables"
def remap(from, to)
load_rails
puts "Rewriting all occurences of #{from} to #{to}"
puts "THIS TASK WILL REWRITE DATA, ARE YOU SURE (type YES)"
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text = STDIN.gets
if text.strip != "YES"
puts "aborting."
exit
end
sql = "SELECT table_name, column_name
FROM information_schema.columns
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WHERE table_schema='public' and (data_type like 'char%' or data_type like 'text%') and is_updatable = 'YES'"
cnn = ActiveRecord::Base.connection.raw_connection
results = cnn.async_exec(sql).to_a
results.each do |result|
table_name = result["table_name"]
column_name = result["column_name"]
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puts "Remapping #{table_name} #{column_name}"
begin
result = cnn.async_exec("UPDATE #{table_name}
SET #{column_name} = replace(#{column_name}, $1, $2)
WHERE NOT #{column_name} IS NULL
AND #{column_name} <> replace(#{column_name}, $1, $2)", [from, to])
puts "#{result.cmd_tuples} rows affected!"
rescue => ex
puts "Error: #{ex}"
end
end
end
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desc "backup", "Backup a discourse forum"
def backup(filename = nil)
load_rails
require "backup_restore/backup_restore"
require "backup_restore/backuper"
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puts "Starting backup..."
backuper = BackupRestore::Backuper.new(Discourse.system_user.id)
backup = backuper.run
if filename.present?
puts "Moving '#{backup}' to '#{filename}'"
FileUtils.mv(backup, filename)
backup = filename
end
puts "Backup done."
puts "Output file is in: #{backup}", ""
exit(1) unless backuper.success
end
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desc "export", "Backup a Discourse forum"
def export
backup
end
desc "restore", "Restore a Discourse backup"
def restore(filename)
load_rails
require "backup_restore/backup_restore"
require "backup_restore/restorer"
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begin
puts "Starting restore: #{filename}"
restorer = BackupRestore::Restorer.new(Discourse.system_user.id, filename)
restorer.run
puts 'Restore done.'
rescue BackupRestore::FilenameMissingError
puts '', 'The filename argument was missing.', ''
usage
rescue BackupRestore::RestoreDisabledError
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puts '', 'Restores are not allowed.', 'An admin needs to set allow_restore to true in the site settings before restores can be run.', ''
puts 'Restore cancelled.', ''
end
exit(1) unless restorer.try(:success)
end
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desc "import", "Restore a Discourse backup"
def import(filename)
restore(filename)
end
desc "rollback", "Rollback to the previous working state"
def rollback
load_rails
require "backup_restore"
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puts 'Rolling back if needed..'
BackupRestore.rollback!
puts 'Done.'
end
desc "enable_restore", "Allow restore operations"
def enable_restore
load_rails
require "site_setting"
SiteSetting.allow_restore = true
puts 'Restore are now permitted. Disable them with `disable_restore`'
end
desc "disable_restore", "Forbid restore operations"
def disable_restore
load_rails
require "site_setting"
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SiteSetting.allow_restore = false
puts 'Restore are now forbidden. Enable them with `enable_restore`'
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end
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desc "enable_readonly", "Enable the readonly mode"
def enable_readonly
load_rails
Discourse.enable_readonly_mode
puts 'The site is now in readonly mode.'
end
desc "disable_readonly", "Disable the readonly mode"
def disable_readonly
load_rails
Discourse.disable_readonly_mode
puts 'The site is now fully operable.'
end
desc "request_refresh", "Ask all clients to refresh the browser"
def request_refresh
load_rails
Discourse.request_refresh!
puts 'Requests sent. Clients will refresh on next navigation.'
end
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private
def load_rails
require File.expand_path(File.dirname(__FILE__) + "/../config/environment")
end
def schemaless(url)
url.gsub(/^https?:/, "")
end
end
DiscourseCLI.start(ARGV)