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# redMine - project management software
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# Copyright (C) 2006-2007 Jean-Philippe Lang
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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require 'active_record'
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require 'iconv'
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require 'pp'
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namespace :redmine do
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desc 'Trac migration script'
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task :migrate_from_trac => :environment do
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module TracMigrate
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TICKET_MAP = [];
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DEFAULT_STATUS = IssueStatus.default
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assigned_status = IssueStatus.find_by_position(2)
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resolved_status = IssueStatus.find_by_position(3)
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feedback_status = IssueStatus.find_by_position(4)
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closed_status = IssueStatus.find :first, :conditions => { :is_closed => true }
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STATUS_MAPPING = {'new' => DEFAULT_STATUS,
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'reopened' => feedback_status,
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'assigned' => assigned_status,
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'closed' => closed_status
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}
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priorities = Enumeration.get_values('IPRI')
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DEFAULT_PRIORITY = priorities[0]
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PRIORITY_MAPPING = {'lowest' => priorities[0],
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'low' => priorities[0],
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'normal' => priorities[1],
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'high' => priorities[2],
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'highest' => priorities[3]
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}
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TRACKER_BUG = Tracker.find_by_position(1)
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TRACKER_FEATURE = Tracker.find_by_position(2)
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DEFAULT_TRACKER = TRACKER_BUG
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TRACKER_MAPPING = {'defect' => TRACKER_BUG,
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'enhancement' => TRACKER_FEATURE,
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'task' => TRACKER_FEATURE,
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'patch' =>TRACKER_FEATURE
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}
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roles = Role.find(:all, :conditions => {:builtin => 0}, :order => 'position ASC')
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manager_role = roles[0]
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developer_role = roles[1]
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DEFAULT_ROLE = roles.last
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ROLE_MAPPING = {'admin' => manager_role,
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'developer' => developer_role
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}
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class TracComponent < ActiveRecord::Base
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set_table_name :component
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end
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class TracMilestone < ActiveRecord::Base
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set_table_name :milestone
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def due
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if read_attribute(:due) > 0
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Time.at(read_attribute(:due)).to_date
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else
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nil
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end
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end
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end
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class TracTicketCustom < ActiveRecord::Base
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set_table_name :ticket_custom
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end
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class TracAttachment < ActiveRecord::Base
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set_table_name :attachment
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set_inheritance_column :none
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def time; Time.at(read_attribute(:time)) end
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def original_filename
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filename
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end
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def content_type
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Redmine::MimeType.of(filename) || ''
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end
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def exist?
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File.file? trac_fullpath
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end
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def read
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File.open("#{trac_fullpath}", 'rb').read
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end
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private
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def trac_fullpath
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attachment_type = read_attribute(:type)
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trac_file = filename.gsub( /[^a-zA-Z0-9\-_\.!~*']/n ) {|x| sprintf('%%%02x', x[0]) }
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"#{TracMigrate.trac_attachments_directory}/#{attachment_type}/#{id}/#{trac_file}"
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end
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end
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class TracTicket < ActiveRecord::Base
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set_table_name :ticket
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set_inheritance_column :none
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# ticket changes: only migrate status changes and comments
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has_many :changes, :class_name => "TracTicketChange", :foreign_key => :ticket
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has_many :attachments, :class_name => "TracAttachment", :foreign_key => :id, :conditions => "#{TracMigrate::TracAttachment.table_name}.type = 'ticket'"
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has_many :customs, :class_name => "TracTicketCustom", :foreign_key => :ticket
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def ticket_type
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read_attribute(:type)
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end
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def summary
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read_attribute(:summary).blank? ? "(no subject)" : read_attribute(:summary)
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end
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def description
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read_attribute(:description).blank? ? summary : read_attribute(:description)
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end
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def time; Time.at(read_attribute(:time)) end
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end
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class TracTicketChange < ActiveRecord::Base
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set_table_name :ticket_change
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def time; Time.at(read_attribute(:time)) end
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end
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class TracWikiPage < ActiveRecord::Base
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set_table_name :wiki
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end
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class TracPermission < ActiveRecord::Base
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set_table_name :permission
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end
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def self.find_or_create_user(username, project_member = false)
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u = User.find_by_login(username)
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if !u
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# Create a new user if not found
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mail = username[0,limit_for(User, 'mail')]
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mail = "#{mail}@foo.bar" unless mail.include?("@")
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u = User.new :firstname => username[0,limit_for(User, 'firstname')].gsub(/[^\w\s\'\-]/i, '-'),
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:lastname => '-',
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:mail => mail.gsub(/[^-@a-z0-9\.]/i, '-')
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u.login = username[0,limit_for(User, 'login')].gsub(/[^a-z0-9_\-@\.]/i, '-')
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u.password = 'trac'
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u.admin = true if TracPermission.find_by_username_and_action(username, 'admin')
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# finally, a default user is used if the new user is not valid
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u = User.find(:first) unless u.save
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end
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# Make sure he is a member of the project
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if project_member && !u.member_of?(@target_project)
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role = DEFAULT_ROLE
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if u.admin
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role = ROLE_MAPPING['admin']
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elsif TracPermission.find_by_username_and_action(username, 'developer')
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role = ROLE_MAPPING['developer']
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end
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Member.create(:user => u, :project => @target_project, :role => role)
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u.reload
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end
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u
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end
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# Basic wiki syntax conversion
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def self.convert_wiki_text(text)
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# Titles
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text = text.gsub(/^(\=+)\s(.+)\s(\=+)/) {|s| "\nh#{$1.length}. #{$2}\n"}
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# External Links
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text = text.gsub(/\[(http[^\s]+)\s+([^\]]+)\]/) {|s| "\"#{$2}\":#{$1}"}
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# Internal Links
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text = text.gsub(/[[BR]]/, "\n") # This has to go before the rules below
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text = text.gsub(/\[\"(.+)\".*\]/) {|s| "[[#{$1.delete(',./?;|:')}]]"}
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text = text.gsub(/\[wiki:\"(.+)\".*\]/) {|s| "[[#{$1.delete(',./?;|:')}]]"}
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text = text.gsub(/\[wiki:\"(.+)\".*\]/) {|s| "[[#{$1.delete(',./?;|:')}]]"}
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text = text.gsub(/\[wiki:([^\s\]]+).*\]/) {|s| "[[#{$1.delete(',./?;|:')}]]"}
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# Revisions links
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text = text.gsub(/\[(\d+)\]/, 'r\1')
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# Ticket number re-writing
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text = text.gsub(/#(\d+)/) do |s|
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TICKET_MAP[$1.to_i] ||= $1
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"\##{TICKET_MAP[$1.to_i]}"
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end
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# Preformatted blocks
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text = text.gsub(/\{\{\{/, '<pre>')
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text = text.gsub(/\}\}\}/, '</pre>')
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# Highlighting
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text = text.gsub(/'''''([^\s])/, '_*\1')
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text = text.gsub(/([^\s])'''''/, '\1*_')
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text = text.gsub(/'''/, '*')
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text = text.gsub(/''/, '_')
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text = text.gsub(/__/, '+')
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text = text.gsub(/~~/, '-')
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text = text.gsub(/`/, '@')
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text = text.gsub(/,,/, '~')
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# Lists
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text = text.gsub(/^([ ]+)\* /) {|s| '*' * $1.length + " "}
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text
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end
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def self.migrate
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establish_connection({:adapter => trac_adapter,
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:database => trac_db_path})
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# Quick database test
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TracComponent.count
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migrated_components = 0
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migrated_milestones = 0
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migrated_tickets = 0
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migrated_custom_values = 0
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migrated_ticket_attachments = 0
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migrated_wiki_edits = 0
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# Components
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print "Migrating components"
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issues_category_map = {}
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TracComponent.find(:all).each do |component|
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print '.'
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STDOUT.flush
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c = IssueCategory.new :project => @target_project,
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:name => encode(component.name[0, limit_for(IssueCategory, 'name')])
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next unless c.save
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issues_category_map[component.name] = c
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migrated_components += 1
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end
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puts
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# Milestones
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print "Migrating milestones"
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version_map = {}
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TracMilestone.find(:all).each do |milestone|
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print '.'
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STDOUT.flush
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v = Version.new :project => @target_project,
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:name => encode(milestone.name[0, limit_for(Version, 'name')]),
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:description => encode(milestone.description.to_s[0, limit_for(Version, 'description')]),
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:effective_date => milestone.due
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next unless v.save
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version_map[milestone.name] = v
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migrated_milestones += 1
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end
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puts
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# Custom fields
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# TODO: read trac.ini instead
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print "Migrating custom fields"
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custom_field_map = {}
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TracTicketCustom.find_by_sql("SELECT DISTINCT name FROM #{TracTicketCustom.table_name}").each do |field|
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print '.'
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STDOUT.flush
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# Redmine custom field name
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field_name = encode(field.name[0, limit_for(IssueCustomField, 'name')]).humanize
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# Find if the custom already exists in Redmine
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f = IssueCustomField.find_by_name(field_name)
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# Or create a new one
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f ||= IssueCustomField.create(:name => encode(field.name[0, limit_for(IssueCustomField, 'name')]).humanize,
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:field_format => 'string')
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next if f.new_record?
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f.trackers = Tracker.find(:all)
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f.projects << @target_project
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custom_field_map[field.name] = f
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end
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puts
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# Trac 'resolution' field as a Redmine custom field
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r = IssueCustomField.find(:first, :conditions => { :name => "Resolution" })
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r = IssueCustomField.new(:name => 'Resolution',
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:field_format => 'list',
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:is_filter => true) if r.nil?
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r.trackers = Tracker.find(:all)
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r.projects << @target_project
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r.possible_values = %w(fixed invalid wontfix duplicate worksforme)
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custom_field_map['resolution'] = r if r.save
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# Tickets
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print "Migrating tickets"
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TracTicket.find(:all, :order => 'id ASC').each do |ticket|
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print '.'
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STDOUT.flush
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i = Issue.new :project => @target_project,
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:subject => encode(ticket.summary[0, limit_for(Issue, 'subject')]),
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:description => convert_wiki_text(encode(ticket.description)),
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:priority => PRIORITY_MAPPING[ticket.priority] || DEFAULT_PRIORITY,
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:created_on => ticket.time
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i.author = find_or_create_user(ticket.reporter)
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i.category = issues_category_map[ticket.component] unless ticket.component.blank?
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i.fixed_version = version_map[ticket.milestone] unless ticket.milestone.blank?
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i.status = STATUS_MAPPING[ticket.status] || DEFAULT_STATUS
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i.tracker = TRACKER_MAPPING[ticket.ticket_type] || DEFAULT_TRACKER
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i.custom_values << CustomValue.new(:custom_field => custom_field_map['resolution'], :value => ticket.resolution) unless ticket.resolution.blank?
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i.id = ticket.id unless Issue.exists?(ticket.id)
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next unless i.save
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TICKET_MAP[ticket.id] = i.id
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migrated_tickets += 1
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# Owner
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unless ticket.owner.blank?
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i.assigned_to = find_or_create_user(ticket.owner, true)
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i.save
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end
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# Comments and status/resolution changes
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ticket.changes.group_by(&:time).each do |time, changeset|
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status_change = changeset.select {|change| change.field == 'status'}.first
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resolution_change = changeset.select {|change| change.field == 'resolution'}.first
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comment_change = changeset.select {|change| change.field == 'comment'}.first
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n = Journal.new :notes => (comment_change ? convert_wiki_text(encode(comment_change.newvalue)) : ''),
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:created_on => time
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n.user = find_or_create_user(changeset.first.author)
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n.journalized = i
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if status_change &&
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STATUS_MAPPING[status_change.oldvalue] &&
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STATUS_MAPPING[status_change.newvalue] &&
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(STATUS_MAPPING[status_change.oldvalue] != STATUS_MAPPING[status_change.newvalue])
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n.details << JournalDetail.new(:property => 'attr',
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:prop_key => 'status_id',
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:old_value => STATUS_MAPPING[status_change.oldvalue].id,
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:value => STATUS_MAPPING[status_change.newvalue].id)
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end
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if resolution_change
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n.details << JournalDetail.new(:property => 'cf',
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:prop_key => custom_field_map['resolution'].id,
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:old_value => resolution_change.oldvalue,
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:value => resolution_change.newvalue)
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end
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n.save unless n.details.empty? && n.notes.blank?
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end
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# Attachments
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ticket.attachments.each do |attachment|
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next unless attachment.exist?
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a = Attachment.new :created_on => attachment.time
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a.file = attachment
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a.author = find_or_create_user(attachment.author)
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a.container = i
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migrated_ticket_attachments += 1 if a.save
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end
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# Custom fields
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ticket.customs.each do |custom|
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next if custom_field_map[custom.name].nil?
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v = CustomValue.new :custom_field => custom_field_map[custom.name],
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:value => custom.value
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v.customized = i
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next unless v.save
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migrated_custom_values += 1
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end
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end
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puts
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# Wiki
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print "Migrating wiki"
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@target_project.wiki.destroy if @target_project.wiki
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@target_project.reload
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wiki = Wiki.new(:project => @target_project, :start_page => 'WikiStart')
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if wiki.save
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TracWikiPage.find(:all, :order => 'name, version').each do |page|
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print '.'
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STDOUT.flush
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p = wiki.find_or_new_page(page.name)
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p.content = WikiContent.new(:page => p) if p.new_record?
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p.content.text = page.text
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p.content.author = find_or_create_user(page.author) unless page.author.blank? || page.author == 'trac'
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p.content.comments = page.comment
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p.new_record? ? p.save : p.content.save
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migrated_wiki_edits += 1 unless p.content.new_record?
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end
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wiki.reload
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wiki.pages.each do |page|
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page.content.text = convert_wiki_text(page.content.text)
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page.content.save
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end
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end
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puts
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puts
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puts "Components: #{migrated_components}/#{TracComponent.count}"
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puts "Milestones: #{migrated_milestones}/#{TracMilestone.count}"
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puts "Tickets: #{migrated_tickets}/#{TracTicket.count}"
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puts "Ticket files: #{migrated_ticket_attachments}/" + TracAttachment.count("type = 'ticket'").to_s
|
|
|
puts "Custom values: #{migrated_custom_values}/#{TracTicketCustom.count}"
|
|
|
puts "Wiki edits: #{migrated_wiki_edits}/#{TracWikiPage.count}"
|
|
|
end
|
|
|
|
|
|
def self.limit_for(klass, attribute)
|
|
|
klass.columns_hash[attribute.to_s].limit
|
|
|
end
|
|
|
|
|
|
def self.encoding(charset)
|
|
|
@ic = Iconv.new('UTF-8', charset)
|
|
|
rescue Iconv::InvalidEncoding
|
|
|
puts "Invalid encoding!"
|
|
|
return false
|
|
|
end
|
|
|
|
|
|
def self.set_trac_directory(path)
|
|
|
@trac_directory = path
|
|
|
raise "This directory doesn't exist!" unless File.directory?(path)
|
|
|
raise "#{trac_db_path} doesn't exist!" unless File.exist?(trac_db_path)
|
|
|
raise "#{trac_attachments_directory} doesn't exist!" unless File.directory?(trac_attachments_directory)
|
|
|
@trac_directory
|
|
|
rescue Exception => e
|
|
|
puts e
|
|
|
return false
|
|
|
end
|
|
|
|
|
|
def self.trac_directory
|
|
|
@trac_directory
|
|
|
end
|
|
|
|
|
|
def self.set_trac_adapter(adapter)
|
|
|
return false unless %w(sqlite sqlite3).include?(adapter)
|
|
|
@trac_adapter = adapter
|
|
|
end
|
|
|
|
|
|
def self.trac_adapter; @trac_adapter end
|
|
|
def self.trac_db_path; "#{trac_directory}/db/trac.db" end
|
|
|
def self.trac_attachments_directory; "#{trac_directory}/attachments" end
|
|
|
|
|
|
def self.target_project_identifier(identifier)
|
|
|
project = Project.find_by_identifier(identifier)
|
|
|
if !project
|
|
|
# create the target project
|
|
|
project = Project.new :name => identifier.humanize,
|
|
|
:description => identifier.humanize
|
|
|
project.identifier = identifier
|
|
|
puts "Unable to create a project with identifier '#{identifier}'!" unless project.save
|
|
|
# enable issues and wiki for the created project
|
|
|
project.enabled_module_names = ['issue_tracking', 'wiki']
|
|
|
project.trackers << TRACKER_BUG
|
|
|
project.trackers << TRACKER_FEATURE
|
|
|
end
|
|
|
@target_project = project.new_record? ? nil : project
|
|
|
end
|
|
|
|
|
|
def self.establish_connection(params)
|
|
|
constants.each do |const|
|
|
|
klass = const_get(const)
|
|
|
next unless klass.respond_to? 'establish_connection'
|
|
|
klass.establish_connection params
|
|
|
end
|
|
|
end
|
|
|
|
|
|
private
|
|
|
def self.encode(text)
|
|
|
@ic.iconv text
|
|
|
rescue
|
|
|
text
|
|
|
end
|
|
|
end
|
|
|
|
|
|
puts
|
|
|
puts "WARNING: Your Redmine install will have a new project added during this process."
|
|
|
print "Are you sure you want to continue ? [y/N] "
|
|
|
break unless STDIN.gets.match(/^y$/i)
|
|
|
puts
|
|
|
|
|
|
def prompt(text, options = {}, &block)
|
|
|
default = options[:default] || ''
|
|
|
while true
|
|
|
print "#{text} [#{default}]: "
|
|
|
value = STDIN.gets.chomp!
|
|
|
value = default if value.blank?
|
|
|
break if yield value
|
|
|
end
|
|
|
end
|
|
|
|
|
|
prompt('Trac directory') {|directory| TracMigrate.set_trac_directory directory}
|
|
|
prompt('Trac database adapter (sqlite, sqlite3)', :default => 'sqlite') {|adapter| TracMigrate.set_trac_adapter adapter}
|
|
|
prompt('Trac database encoding', :default => 'UTF-8') {|encoding| TracMigrate.encoding encoding}
|
|
|
prompt('Target project identifier') {|identifier| TracMigrate.target_project_identifier identifier}
|
|
|
puts
|
|
|
|
|
|
TracMigrate.migrate
|
|
|
end
|
|
|
end
|
|
|
|
