Adds text reference migration

pull/454/head
Hagen Schink 11 years ago
parent 5ef7b68df6
commit 6fef1d8e38
  1. 179
      db/migrate/20130920053735_migrate_text_references_to_issues_and_planning_elements.rb

@ -0,0 +1,179 @@
#-- copyright
# OpenProject is a project management system.
#
# Copyright (C) 2012-2013 the OpenProject Team
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License version 3.
#
# See doc/COPYRIGHT.rdoc for more details.
#++
require 'yaml'
require_relative 'migration_utils/utils'
class MigrateTextReferencesToIssuesAndPlanningElements < ActiveRecord::Migration
include Migration::Utils
COLUMNS_PER_TABLE = {
'boards' => ['description'],
'changesets' => ['comments'],
'journals' => ['notes'],
'messages' => ['content'],
'news' => ['summary', 'description'],
'projects' => ['description'],
'wiki_contents' => ['text'],
'work_packages' => ['description'],
'changeset_journals' => ['comments'],
'message_journals' => ['content'],
'news_journals' => ['summary', 'description'],
'wiki_content_journals' => ['text'],
'work_package_journals' => ['description']
}
def up
COLUMNS_PER_TABLE.each_pair do |table, columns|
say_with_time_silently "Update text references for table #{table}" do
update_column_values(table,
columns,
update_text_references(columns, planning_element_to_work_package_id_map),
update_filter(columns))
end
end
end
def down
COLUMNS_PER_TABLE.each_pair do |table, columns|
say_with_time_silently "Restore text references for table #{table}" do
update_column_values(table,
columns,
restore_text_references(columns, work_package_to_planning_element_id_map),
restore_filter(columns))
end
end
end
private
def update_filter(columns)
filter columns, ['issue', 'planning_element', '*']
end
def restore_filter(columns)
filter columns, ['work_package', '#']
end
def filter(columns, terms)
column_filters = []
columns.each do |column|
filters = terms.map {|term| "#{column} LIKE '%#{term}%'"}
column_filters << "(#{filters.join(' OR ')})"
end
column_filters.join(' OR ')
end
def update_text_references(columns, id_map)
Proc.new do |row|
columns.each do |column|
row[column] = update_work_package_macros row[column], id_map, MACRO_REGEX, /\*/, '#'
row[column] = update_issue_planning_element_links row[column], id_map
end
row
end
end
def restore_text_references(columns, id_map)
Proc.new do |row|
columns.each do |column|
row[column] = update_work_package_macros row[column], id_map, RESTORE_MACRO_REGEX, /#/, '*'
row[column] = restore_issue_planning_element_links row[column], id_map
end
row
end
end
MACRO_REGEX = /(?<dots>\*{1,3})(?<id>\d+)/
RESTORE_MACRO_REGEX = /(?<dots>\#{1,3})(?<id>\d+)/
def update_work_package_macros(text, id_map, regex, macro_regex, replacement)
unless text.nil?
text.gsub!(regex) do |match|
if id_map.has_key? $~[:id].to_s
new_id = id_map[$~[:id].to_s][:new_id]
hash_macro = $~[:dots].gsub(macro_regex, replacement)
"#{hash_macro}#{new_id}"
end
end
end
text
end
WORK_PACKAGE_LINK_REGEX = /(?<host>http:\/\/(\w|:)*)(\/timelines)?(\/projects\/(\w|-)*)?\/(issues|planning_elements)\/(?<id>\w*)/
REL_WORK_PACKAGE_LINK_REGEX = /(?<title>"(\w|\s)*"):(\/timelines)?(\/projects\/(\w|-)*)?\/(issues|planning_elements)\/(?<id>\w*)/
def update_issue_planning_element_links(text, id_map)
unless text.nil?
text.gsub!(WORK_PACKAGE_LINK_REGEX) {|_| update_issue_planning_element_link_match $~, id_map}
text.gsub!(REL_WORK_PACKAGE_LINK_REGEX) {|_| update_issue_planning_element_link_match $~, id_map}
end
text
end
RESTORE_WORK_PACKAGE_LINK_REGEX = /(?<host>http:\/\/(\w|:)*)\/work_packages\/(?<id>\w*)/
RESTORE_REL_WORK_PACKAGE_LINK_REGEX = /(?<title>"(\w|\s)*"):\/work_packages\/(?<id>\w*)/
def restore_issue_planning_element_links(text, id_map)
text.gsub!(RESTORE_WORK_PACKAGE_LINK_REGEX) {|_| restore_issue_planning_element_link_match $~, id_map}
text.gsub!(RESTORE_REL_WORK_PACKAGE_LINK_REGEX) {|_| restore_issue_planning_element_link_match $~, id_map}
end
def update_issue_planning_element_link_match(match, id_map)
"#{link_prefix match}/work_packages/#{element_id match, id_map}"
end
def restore_issue_planning_element_link_match(match, id_map)
if id_map.has_key? match[:id].to_s
project_id = id_map[match[:id].to_s][:project_id]
"#{link_prefix match}/timelines/projects/#{project_id}/planning_elements/#{element_id match, id_map}"
else
"#{link_prefix match}/issues/#{element_id match, id_map}"
end
end
def link_prefix(match)
match.names.include?('host') ? match[:host] : "#{match[:title]}:"
end
def element_id(match, id_map)
id = match[:id].to_s
id = id_map[id][:new_id] if id_map.has_key? id
id
end
def planning_element_to_work_package_id_map
create_planning_element_id_map 'id', 'new_id'
end
def work_package_to_planning_element_id_map
create_planning_element_id_map 'new_id', 'id'
end
def create_planning_element_id_map(key, value)
old_and_new_ids = select_all <<-SQL
SELECT id, new_id, project_id
FROM legacy_planning_elements
SQL
old_and_new_ids.each_with_object({}) {|row, hash| hash[row[key]] = { new_id: row[value], project_id: row['project_id']}}
end
end
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