Chris@0: # redMine - project management software
Chris@0: # Copyright (C) 2006-2007  Jean-Philippe Lang
Chris@0: #
Chris@0: # This program is free software; you can redistribute it and/or
Chris@0: # modify it under the terms of the GNU General Public License
Chris@0: # as published by the Free Software Foundation; either version 2
Chris@0: # of the License, or (at your option) any later version.
Chris@0: #
Chris@0: # This program is distributed in the hope that it will be useful,
Chris@0: # but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@0: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
Chris@0: # GNU General Public License for more details.
Chris@0: #
Chris@0: # You should have received a copy of the GNU General Public License
Chris@0: # along with this program; if not, write to the Free Software
Chris@0: # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
Chris@0: 
Chris@0: require 'active_record'
Chris@0: require 'iconv'
Chris@0: require 'pp'
Chris@0: 
Chris@0: namespace :redmine do
Chris@0:   desc 'Trac migration script'
Chris@0:   task :migrate_from_trac => :environment do
Chris@0: 
Chris@0:     module TracMigrate
Chris@0:         TICKET_MAP = []
Chris@0: 
Chris@0:         DEFAULT_STATUS = IssueStatus.default
Chris@0:         assigned_status = IssueStatus.find_by_position(2)
Chris@0:         resolved_status = IssueStatus.find_by_position(3)
Chris@0:         feedback_status = IssueStatus.find_by_position(4)
Chris@0:         closed_status = IssueStatus.find :first, :conditions => { :is_closed => true }
Chris@0:         STATUS_MAPPING = {'new' => DEFAULT_STATUS,
Chris@0:                           'reopened' => feedback_status,
Chris@0:                           'assigned' => assigned_status,
Chris@0:                           'closed' => closed_status
Chris@0:                           }
Chris@0: 
Chris@0:         priorities = IssuePriority.all
Chris@0:         DEFAULT_PRIORITY = priorities[0]
Chris@0:         PRIORITY_MAPPING = {'lowest' => priorities[0],
Chris@0:                             'low' => priorities[0],
Chris@0:                             'normal' => priorities[1],
Chris@0:                             'high' => priorities[2],
Chris@0:                             'highest' => priorities[3],
Chris@0:                             # ---
Chris@0:                             'trivial' => priorities[0],
Chris@0:                             'minor' => priorities[1],
Chris@0:                             'major' => priorities[2],
Chris@0:                             'critical' => priorities[3],
Chris@0:                             'blocker' => priorities[4]
Chris@0:                             }
Chris@0: 
Chris@0:         TRACKER_BUG = Tracker.find_by_position(1)
Chris@0:         TRACKER_FEATURE = Tracker.find_by_position(2)
Chris@0:         DEFAULT_TRACKER = TRACKER_BUG
Chris@0:         TRACKER_MAPPING = {'defect' => TRACKER_BUG,
Chris@0:                            'enhancement' => TRACKER_FEATURE,
Chris@0:                            'task' => TRACKER_FEATURE,
Chris@0:                            'patch' =>TRACKER_FEATURE
Chris@0:                            }
Chris@0: 
Chris@0:         roles = Role.find(:all, :conditions => {:builtin => 0}, :order => 'position ASC')
Chris@0:         manager_role = roles[0]
Chris@0:         developer_role = roles[1]
Chris@0:         DEFAULT_ROLE = roles.last
Chris@0:         ROLE_MAPPING = {'admin' => manager_role,
Chris@0:                         'developer' => developer_role
Chris@0:                         }
Chris@0: 
Chris@0:       class ::Time
Chris@0:         class << self
Chris@0:           alias :real_now :now
Chris@0:           def now
Chris@0:             real_now - @fake_diff.to_i
Chris@0:           end
Chris@0:           def fake(time)
Chris@0:             @fake_diff = real_now - time
Chris@0:             res = yield
Chris@0:             @fake_diff = 0
Chris@0:            res
Chris@0:           end
Chris@0:         end
Chris@0:       end
Chris@0: 
Chris@0:       class TracComponent < ActiveRecord::Base
Chris@0:         set_table_name :component
Chris@0:       end
Chris@0: 
Chris@0:       class TracMilestone < ActiveRecord::Base
Chris@0:         set_table_name :milestone
Chris@0:         # If this attribute is set a milestone has a defined target timepoint
Chris@0:         def due
Chris@0:           if read_attribute(:due) && read_attribute(:due) > 0
Chris@0:             Time.at(read_attribute(:due)).to_date
Chris@0:           else
Chris@0:             nil
Chris@0:           end
Chris@0:         end
Chris@0:         # This is the real timepoint at which the milestone has finished.
Chris@0:         def completed
Chris@0:           if read_attribute(:completed) && read_attribute(:completed) > 0
Chris@0:             Time.at(read_attribute(:completed)).to_date
Chris@0:           else
Chris@0:             nil
Chris@0:           end
Chris@0:         end
Chris@0: 
Chris@0:         def description
Chris@0:           # Attribute is named descr in Trac v0.8.x
Chris@0:           has_attribute?(:descr) ? read_attribute(:descr) : read_attribute(:description)
Chris@0:         end
Chris@0:       end
Chris@0: 
Chris@0:       class TracTicketCustom < ActiveRecord::Base
Chris@0:         set_table_name :ticket_custom
Chris@0:       end
Chris@0: 
Chris@0:       class TracAttachment < ActiveRecord::Base
Chris@0:         set_table_name :attachment
Chris@0:         set_inheritance_column :none
Chris@0: 
Chris@0:         def time; Time.at(read_attribute(:time)) end
Chris@0: 
Chris@0:         def original_filename
Chris@0:           filename
Chris@0:         end
Chris@0: 
Chris@0:         def content_type
Chris@0:           ''
Chris@0:         end
Chris@0: 
Chris@0:         def exist?
Chris@0:           File.file? trac_fullpath
Chris@0:         end
Chris@0: 
Chris@0:         def open
Chris@0:           File.open("#{trac_fullpath}", 'rb') {|f|
Chris@0:             @file = f
Chris@0:             yield self
Chris@0:           }
Chris@0:         end
Chris@0: 
Chris@0:         def read(*args)
Chris@0:           @file.read(*args)
Chris@0:         end
Chris@0: 
Chris@0:         def description
Chris@0:           read_attribute(:description).to_s.slice(0,255)
Chris@0:         end
Chris@0: 
Chris@0:       private
Chris@0:         def trac_fullpath
Chris@0:           attachment_type = read_attribute(:type)
Chris@0:           trac_file = filename.gsub( /[^a-zA-Z0-9\-_\.!~*']/n ) {|x| sprintf('%%%02x', x[0]) }
Chris@0:           "#{TracMigrate.trac_attachments_directory}/#{attachment_type}/#{id}/#{trac_file}"
Chris@0:         end
Chris@0:       end
Chris@0: 
Chris@0:       class TracTicket < ActiveRecord::Base
Chris@0:         set_table_name :ticket
Chris@0:         set_inheritance_column :none
Chris@0: 
Chris@0:         # ticket changes: only migrate status changes and comments
Chris@0:         has_many :changes, :class_name => "TracTicketChange", :foreign_key => :ticket
Chris@0:         has_many :attachments, :class_name => "TracAttachment",
Chris@0:                                :finder_sql => "SELECT DISTINCT attachment.* FROM #{TracMigrate::TracAttachment.table_name}" +
Chris@0:                                               " WHERE #{TracMigrate::TracAttachment.table_name}.type = 'ticket'" +
Chris@0:                                               ' AND #{TracMigrate::TracAttachment.table_name}.id = \'#{id}\''
Chris@0:         has_many :customs, :class_name => "TracTicketCustom", :foreign_key => :ticket
Chris@0: 
Chris@0:         def ticket_type
Chris@0:           read_attribute(:type)
Chris@0:         end
Chris@0: 
Chris@0:         def summary
Chris@0:           read_attribute(:summary).blank? ? "(no subject)" : read_attribute(:summary)
Chris@0:         end
Chris@0: 
Chris@0:         def description
Chris@0:           read_attribute(:description).blank? ? summary : read_attribute(:description)
Chris@0:         end
Chris@0: 
Chris@0:         def time; Time.at(read_attribute(:time)) end
Chris@0:         def changetime; Time.at(read_attribute(:changetime)) end
Chris@0:       end
Chris@0: 
Chris@0:       class TracTicketChange < ActiveRecord::Base
Chris@0:         set_table_name :ticket_change
Chris@0: 
Chris@0:         def time; Time.at(read_attribute(:time)) end
Chris@0:       end
Chris@0: 
Chris@0:       TRAC_WIKI_PAGES = %w(InterMapTxt InterTrac InterWiki RecentChanges SandBox TracAccessibility TracAdmin TracBackup TracBrowser TracCgi TracChangeset \
Chris@0:                            TracEnvironment TracFastCgi TracGuide TracImport TracIni TracInstall TracInterfaceCustomization \
Chris@0:                            TracLinks TracLogging TracModPython TracNotification TracPermissions TracPlugins TracQuery \
Chris@0:                            TracReports TracRevisionLog TracRoadmap TracRss TracSearch TracStandalone TracSupport TracSyntaxColoring TracTickets \
Chris@0:                            TracTicketsCustomFields TracTimeline TracUnicode TracUpgrade TracWiki WikiDeletePage WikiFormatting \
Chris@0:                            WikiHtml WikiMacros WikiNewPage WikiPageNames WikiProcessors WikiRestructuredText WikiRestructuredTextLinks \
Chris@0:                            CamelCase TitleIndex)
Chris@0: 
Chris@0:       class TracWikiPage < ActiveRecord::Base
Chris@0:         set_table_name :wiki
Chris@0:         set_primary_key :name
Chris@0: 
Chris@0:         has_many :attachments, :class_name => "TracAttachment",
Chris@0:                                :finder_sql => "SELECT DISTINCT attachment.* FROM #{TracMigrate::TracAttachment.table_name}" +
Chris@0:                                       " WHERE #{TracMigrate::TracAttachment.table_name}.type = 'wiki'" +
Chris@0:                                       ' AND #{TracMigrate::TracAttachment.table_name}.id = \'#{id}\''
Chris@0: 
Chris@0:         def self.columns
Chris@0:           # Hides readonly Trac field to prevent clash with AR readonly? method (Rails 2.0)
Chris@0:           super.select {|column| column.name.to_s != 'readonly'}
Chris@0:         end
Chris@0: 
Chris@0:         def time; Time.at(read_attribute(:time)) end
Chris@0:       end
Chris@0: 
Chris@0:       class TracPermission < ActiveRecord::Base
Chris@0:         set_table_name :permission
Chris@0:       end
Chris@0: 
Chris@0:       class TracSessionAttribute < ActiveRecord::Base
Chris@0:         set_table_name :session_attribute
Chris@0:       end
Chris@0: 
Chris@0:       def self.find_or_create_user(username, project_member = false)
Chris@0:         return User.anonymous if username.blank?
Chris@0: 
Chris@0:         u = User.find_by_login(username)
Chris@0:         if !u
Chris@0:           # Create a new user if not found
Chris@0:           mail = username[0,limit_for(User, 'mail')]
Chris@0:           if mail_attr = TracSessionAttribute.find_by_sid_and_name(username, 'email')
Chris@0:             mail = mail_attr.value
Chris@0:           end
Chris@0:           mail = "#{mail}@foo.bar" unless mail.include?("@")
Chris@0: 
Chris@0:           name = username
Chris@0:           if name_attr = TracSessionAttribute.find_by_sid_and_name(username, 'name')
Chris@0:             name = name_attr.value
Chris@0:           end
Chris@0:           name =~ (/(.*)(\s+\w+)?/)
Chris@0:           fn = $1.strip
Chris@0:           ln = ($2 || '-').strip
Chris@0: 
Chris@0:           u = User.new :mail => mail.gsub(/[^-@a-z0-9\.]/i, '-'),
Chris@0:                        :firstname => fn[0, limit_for(User, 'firstname')].gsub(/[^\w\s\'\-]/i, '-'),
Chris@0:                        :lastname => ln[0, limit_for(User, 'lastname')].gsub(/[^\w\s\'\-]/i, '-')
Chris@0: 
Chris@0:           u.login = username[0,limit_for(User, 'login')].gsub(/[^a-z0-9_\-@\.]/i, '-')
Chris@0:           u.password = 'trac'
Chris@0:           u.admin = true if TracPermission.find_by_username_and_action(username, 'admin')
Chris@0:           # finally, a default user is used if the new user is not valid
Chris@0:           u = User.find(:first) unless u.save
Chris@0:         end
Chris@0:         # Make sure he is a member of the project
Chris@0:         if project_member && !u.member_of?(@target_project)
Chris@0:           role = DEFAULT_ROLE
Chris@0:           if u.admin
Chris@0:             role = ROLE_MAPPING['admin']
Chris@0:           elsif TracPermission.find_by_username_and_action(username, 'developer')
Chris@0:             role = ROLE_MAPPING['developer']
Chris@0:           end
Chris@0:           Member.create(:user => u, :project => @target_project, :roles => [role])
Chris@0:           u.reload
Chris@0:         end
Chris@0:         u
Chris@0:       end
Chris@0: 
Chris@0:       # Basic wiki syntax conversion
Chris@0:       def self.convert_wiki_text(text)
Chris@0:         # Titles
Chris@0:         text = text.gsub(/^(\=+)\s(.+)\s(\=+)/) {|s| "\nh#{$1.length}. #{$2}\n"}
Chris@0:         # External Links
Chris@0:         text = text.gsub(/\[(http[^\s]+)\s+([^\]]+)\]/) {|s| "\"#{$2}\":#{$1}"}
Chris@0:         # Ticket links:
Chris@0:         #      [ticket:234 Text],[ticket:234 This is a test]
Chris@0:         text = text.gsub(/\[ticket\:([^\ ]+)\ (.+?)\]/, '"\2":/issues/show/\1')
Chris@0:         #      ticket:1234
Chris@0:         #      #1 is working cause Redmine uses the same syntax.
Chris@0:         text = text.gsub(/ticket\:([^\ ]+)/, '#\1')
Chris@0:         # Milestone links:
Chris@0:         #      [milestone:"0.1.0 Mercury" Milestone 0.1.0 (Mercury)]
Chris@0:         #      The text "Milestone 0.1.0 (Mercury)" is not converted,
Chris@0:         #      cause Redmine's wiki does not support this.
Chris@0:         text = text.gsub(/\[milestone\:\"([^\"]+)\"\ (.+?)\]/, 'version:"\1"')
Chris@0:         #      [milestone:"0.1.0 Mercury"]
Chris@0:         text = text.gsub(/\[milestone\:\"([^\"]+)\"\]/, 'version:"\1"')
Chris@0:         text = text.gsub(/milestone\:\"([^\"]+)\"/, 'version:"\1"')
Chris@0:         #      milestone:0.1.0
Chris@0:         text = text.gsub(/\[milestone\:([^\ ]+)\]/, 'version:\1')
Chris@0:         text = text.gsub(/milestone\:([^\ ]+)/, 'version:\1')
Chris@0:         # Internal Links
Chris@0:         text = text.gsub(/\[\[BR\]\]/, "\n") # This has to go before the rules below
Chris@0:         text = text.gsub(/\[\"(.+)\".*\]/) {|s| "[[#{$1.delete(',./?;|:')}]]"}
Chris@0:         text = text.gsub(/\[wiki:\"(.+)\".*\]/) {|s| "[[#{$1.delete(',./?;|:')}]]"}
Chris@0:         text = text.gsub(/\[wiki:\"(.+)\".*\]/) {|s| "[[#{$1.delete(',./?;|:')}]]"}
Chris@0:         text = text.gsub(/\[wiki:([^\s\]]+)\]/) {|s| "[[#{$1.delete(',./?;|:')}]]"}
Chris@0:         text = text.gsub(/\[wiki:([^\s\]]+)\s(.*)\]/) {|s| "[[#{$1.delete(',./?;|:')}|#{$2.delete(',./?;|:')}]]"}
Chris@0: 
Chris@0:   # Links to pages UsingJustWikiCaps
Chris@0:   text = text.gsub(/([^!]|^)(^| )([A-Z][a-z]+[A-Z][a-zA-Z]+)/, '\\1\\2[[\3]]')
Chris@0:   # Normalize things that were supposed to not be links
Chris@0:   # like !NotALink
Chris@0:   text = text.gsub(/(^| )!([A-Z][A-Za-z]+)/, '\1\2')
Chris@0:         # Revisions links
Chris@0:         text = text.gsub(/\[(\d+)\]/, 'r\1')
Chris@0:         # Ticket number re-writing
Chris@0:         text = text.gsub(/#(\d+)/) do |s|
Chris@0:           if $1.length < 10
Chris@0: #            TICKET_MAP[$1.to_i] ||= $1
Chris@0:             "\##{TICKET_MAP[$1.to_i] || $1}"
Chris@0:           else
Chris@0:             s
Chris@0:           end
Chris@0:         end
Chris@0:         # We would like to convert the Code highlighting too
Chris@0:         # This will go into the next line.
Chris@0:         shebang_line = false
Chris@0:         # Reguar expression for start of code
Chris@0:         pre_re = /\{\{\{/
Chris@0:         # Code hightlighing...
Chris@0:         shebang_re = /^\#\!([a-z]+)/
Chris@0:         # Regular expression for end of code
Chris@0:         pre_end_re = /\}\}\}/
Chris@0: 
Chris@0:         # Go through the whole text..extract it line by line
Chris@0:         text = text.gsub(/^(.*)$/) do |line|
Chris@0:           m_pre = pre_re.match(line)
Chris@0:           if m_pre
Chris@0:             line = '<pre>'
Chris@0:           else
Chris@0:             m_sl = shebang_re.match(line)
Chris@0:             if m_sl
Chris@0:               shebang_line = true
Chris@0:               line = '<code class="' + m_sl[1] + '">'
Chris@0:             end
Chris@0:             m_pre_end = pre_end_re.match(line)
Chris@0:             if m_pre_end
Chris@0:               line = '</pre>'
Chris@0:               if shebang_line
Chris@0:                 line = '</code>' + line
Chris@0:               end
Chris@0:             end
Chris@0:           end
Chris@0:           line
Chris@0:         end
Chris@0: 
Chris@0:         # Highlighting
Chris@0:         text = text.gsub(/'''''([^\s])/, '_*\1')
Chris@0:         text = text.gsub(/([^\s])'''''/, '\1*_')
Chris@0:         text = text.gsub(/'''/, '*')
Chris@0:         text = text.gsub(/''/, '_')
Chris@0:         text = text.gsub(/__/, '+')
Chris@0:         text = text.gsub(/~~/, '-')
Chris@0:         text = text.gsub(/`/, '@')
Chris@0:         text = text.gsub(/,,/, '~')
Chris@0:         # Lists
Chris@0:         text = text.gsub(/^([ ]+)\* /) {|s| '*' * $1.length + " "}
Chris@0: 
Chris@0:         text
Chris@0:       end
Chris@0: 
Chris@0:       def self.migrate
Chris@0:         establish_connection
Chris@0: 
Chris@0:         # Quick database test
Chris@0:         TracComponent.count
Chris@0: 
Chris@0:         migrated_components = 0
Chris@0:         migrated_milestones = 0
Chris@0:         migrated_tickets = 0
Chris@0:         migrated_custom_values = 0
Chris@0:         migrated_ticket_attachments = 0
Chris@0:         migrated_wiki_edits = 0
Chris@0:         migrated_wiki_attachments = 0
Chris@0: 
Chris@0:         #Wiki system initializing...
Chris@0:         @target_project.wiki.destroy if @target_project.wiki
Chris@0:         @target_project.reload
Chris@0:         wiki = Wiki.new(:project => @target_project, :start_page => 'WikiStart')
Chris@0:         wiki_edit_count = 0
Chris@0: 
Chris@0:         # Components
Chris@0:         print "Migrating components"
Chris@0:         issues_category_map = {}
Chris@0:         TracComponent.find(:all).each do |component|
Chris@0:         print '.'
Chris@0:         STDOUT.flush
Chris@0:           c = IssueCategory.new :project => @target_project,
Chris@0:                                 :name => encode(component.name[0, limit_for(IssueCategory, 'name')])
Chris@0:         next unless c.save
Chris@0:         issues_category_map[component.name] = c
Chris@0:         migrated_components += 1
Chris@0:         end
Chris@0:         puts
Chris@0: 
Chris@0:         # Milestones
Chris@0:         print "Migrating milestones"
Chris@0:         version_map = {}
Chris@0:         TracMilestone.find(:all).each do |milestone|
Chris@0:           print '.'
Chris@0:           STDOUT.flush
Chris@0:           # First we try to find the wiki page...
Chris@0:           p = wiki.find_or_new_page(milestone.name.to_s)
Chris@0:           p.content = WikiContent.new(:page => p) if p.new_record?
Chris@0:           p.content.text = milestone.description.to_s
Chris@0:           p.content.author = find_or_create_user('trac')
Chris@0:           p.content.comments = 'Milestone'
Chris@0:           p.save
Chris@0: 
Chris@0:           v = Version.new :project => @target_project,
Chris@0:                           :name => encode(milestone.name[0, limit_for(Version, 'name')]),
Chris@0:                           :description => nil,
Chris@0:                           :wiki_page_title => milestone.name.to_s,
Chris@0:                           :effective_date => milestone.completed
Chris@0: 
Chris@0:           next unless v.save
Chris@0:           version_map[milestone.name] = v
Chris@0:           migrated_milestones += 1
Chris@0:         end
Chris@0:         puts
Chris@0: 
Chris@0:         # Custom fields
Chris@0:         # TODO: read trac.ini instead
Chris@0:         print "Migrating custom fields"
Chris@0:         custom_field_map = {}
Chris@0:         TracTicketCustom.find_by_sql("SELECT DISTINCT name FROM #{TracTicketCustom.table_name}").each do |field|
Chris@0:           print '.'
Chris@0:           STDOUT.flush
Chris@0:           # Redmine custom field name
Chris@0:           field_name = encode(field.name[0, limit_for(IssueCustomField, 'name')]).humanize
Chris@0:           # Find if the custom already exists in Redmine
Chris@0:           f = IssueCustomField.find_by_name(field_name)
Chris@0:           # Or create a new one
Chris@0:           f ||= IssueCustomField.create(:name => encode(field.name[0, limit_for(IssueCustomField, 'name')]).humanize,
Chris@0:                                         :field_format => 'string')
Chris@0: 
Chris@0:           next if f.new_record?
Chris@0:           f.trackers = Tracker.find(:all)
Chris@0:           f.projects << @target_project
Chris@0:           custom_field_map[field.name] = f
Chris@0:         end
Chris@0:         puts
Chris@0: 
Chris@0:         # Trac 'resolution' field as a Redmine custom field
Chris@0:         r = IssueCustomField.find(:first, :conditions => { :name => "Resolution" })
Chris@0:         r = IssueCustomField.new(:name => 'Resolution',
Chris@0:                                  :field_format => 'list',
Chris@0:                                  :is_filter => true) if r.nil?
Chris@0:         r.trackers = Tracker.find(:all)
Chris@0:         r.projects << @target_project
Chris@0:         r.possible_values = (r.possible_values + %w(fixed invalid wontfix duplicate worksforme)).flatten.compact.uniq
Chris@0:         r.save!
Chris@0:         custom_field_map['resolution'] = r
Chris@0: 
Chris@0:         # Tickets
Chris@0:         print "Migrating tickets"
Chris@0:           TracTicket.find_each(:batch_size => 200) do |ticket|
Chris@0:           print '.'
Chris@0:           STDOUT.flush
Chris@0:           i = Issue.new :project => @target_project,
Chris@0:                           :subject => encode(ticket.summary[0, limit_for(Issue, 'subject')]),
Chris@0:                           :description => convert_wiki_text(encode(ticket.description)),
Chris@0:                           :priority => PRIORITY_MAPPING[ticket.priority] || DEFAULT_PRIORITY,
Chris@0:                           :created_on => ticket.time
Chris@0:           i.author = find_or_create_user(ticket.reporter)
Chris@0:           i.category = issues_category_map[ticket.component] unless ticket.component.blank?
Chris@0:           i.fixed_version = version_map[ticket.milestone] unless ticket.milestone.blank?
Chris@0:           i.status = STATUS_MAPPING[ticket.status] || DEFAULT_STATUS
Chris@0:           i.tracker = TRACKER_MAPPING[ticket.ticket_type] || DEFAULT_TRACKER
Chris@0:           i.id = ticket.id unless Issue.exists?(ticket.id)
Chris@0:           next unless Time.fake(ticket.changetime) { i.save }
Chris@0:           TICKET_MAP[ticket.id] = i.id
Chris@0:           migrated_tickets += 1
Chris@0: 
Chris@0:           # Owner
Chris@0:             unless ticket.owner.blank?
Chris@0:               i.assigned_to = find_or_create_user(ticket.owner, true)
Chris@0:               Time.fake(ticket.changetime) { i.save }
Chris@0:             end
Chris@0: 
Chris@0:           # Comments and status/resolution changes
Chris@0:           ticket.changes.group_by(&:time).each do |time, changeset|
Chris@0:               status_change = changeset.select {|change| change.field == 'status'}.first
Chris@0:               resolution_change = changeset.select {|change| change.field == 'resolution'}.first
Chris@0:               comment_change = changeset.select {|change| change.field == 'comment'}.first
Chris@0: 
Chris@0:               n = Journal.new :notes => (comment_change ? convert_wiki_text(encode(comment_change.newvalue)) : ''),
Chris@0:                               :created_on => time
Chris@0:               n.user = find_or_create_user(changeset.first.author)
Chris@0:               n.journalized = i
Chris@0:               if status_change &&
Chris@0:                    STATUS_MAPPING[status_change.oldvalue] &&
Chris@0:                    STATUS_MAPPING[status_change.newvalue] &&
Chris@0:                    (STATUS_MAPPING[status_change.oldvalue] != STATUS_MAPPING[status_change.newvalue])
Chris@0:                 n.details << JournalDetail.new(:property => 'attr',
Chris@0:                                                :prop_key => 'status_id',
Chris@0:                                                :old_value => STATUS_MAPPING[status_change.oldvalue].id,
Chris@0:                                                :value => STATUS_MAPPING[status_change.newvalue].id)
Chris@0:               end
Chris@0:               if resolution_change
Chris@0:                 n.details << JournalDetail.new(:property => 'cf',
Chris@0:                                                :prop_key => custom_field_map['resolution'].id,
Chris@0:                                                :old_value => resolution_change.oldvalue,
Chris@0:                                                :value => resolution_change.newvalue)
Chris@0:               end
Chris@0:               n.save unless n.details.empty? && n.notes.blank?
Chris@0:           end
Chris@0: 
Chris@0:           # Attachments
Chris@0:           ticket.attachments.each do |attachment|
Chris@0:             next unless attachment.exist?
Chris@0:               attachment.open {
Chris@0:                 a = Attachment.new :created_on => attachment.time
Chris@0:                 a.file = attachment
Chris@0:                 a.author = find_or_create_user(attachment.author)
Chris@0:                 a.container = i
Chris@0:                 a.description = attachment.description
Chris@0:                 migrated_ticket_attachments += 1 if a.save
Chris@0:               }
Chris@0:           end
Chris@0: 
Chris@0:           # Custom fields
Chris@0:           custom_values = ticket.customs.inject({}) do |h, custom|
Chris@0:             if custom_field = custom_field_map[custom.name]
Chris@0:               h[custom_field.id] = custom.value
Chris@0:               migrated_custom_values += 1
Chris@0:             end
Chris@0:             h
Chris@0:           end
Chris@0:           if custom_field_map['resolution'] && !ticket.resolution.blank?
Chris@0:             custom_values[custom_field_map['resolution'].id] = ticket.resolution
Chris@0:           end
Chris@0:           i.custom_field_values = custom_values
Chris@0:           i.save_custom_field_values
Chris@0:         end
Chris@0: 
Chris@0:         # update issue id sequence if needed (postgresql)
Chris@0:         Issue.connection.reset_pk_sequence!(Issue.table_name) if Issue.connection.respond_to?('reset_pk_sequence!')
Chris@0:         puts
Chris@0: 
Chris@0:         # Wiki
Chris@0:         print "Migrating wiki"
Chris@0:         if wiki.save
Chris@0:           TracWikiPage.find(:all, :order => 'name, version').each do |page|
Chris@0:             # Do not migrate Trac manual wiki pages
Chris@0:             next if TRAC_WIKI_PAGES.include?(page.name)
Chris@0:             wiki_edit_count += 1
Chris@0:             print '.'
Chris@0:             STDOUT.flush
Chris@0:             p = wiki.find_or_new_page(page.name)
Chris@0:             p.content = WikiContent.new(:page => p) if p.new_record?
Chris@0:             p.content.text = page.text
Chris@0:             p.content.author = find_or_create_user(page.author) unless page.author.blank? || page.author == 'trac'
Chris@0:             p.content.comments = page.comment
Chris@0:             Time.fake(page.time) { p.new_record? ? p.save : p.content.save }
Chris@0: 
Chris@0:             next if p.content.new_record?
Chris@0:             migrated_wiki_edits += 1
Chris@0: 
Chris@0:             # Attachments
Chris@0:             page.attachments.each do |attachment|
Chris@0:               next unless attachment.exist?
Chris@0:               next if p.attachments.find_by_filename(attachment.filename.gsub(/^.*(\\|\/)/, '').gsub(/[^\w\.\-]/,'_')) #add only once per page
Chris@0:               attachment.open {
Chris@0:                 a = Attachment.new :created_on => attachment.time
Chris@0:                 a.file = attachment
Chris@0:                 a.author = find_or_create_user(attachment.author)
Chris@0:                 a.description = attachment.description
Chris@0:                 a.container = p
Chris@0:                 migrated_wiki_attachments += 1 if a.save
Chris@0:               }
Chris@0:             end
Chris@0:           end
Chris@0: 
Chris@0:           wiki.reload
Chris@0:           wiki.pages.each do |page|
Chris@0:             page.content.text = convert_wiki_text(page.content.text)
Chris@0:             Time.fake(page.content.updated_on) { page.content.save }
Chris@0:           end
Chris@0:         end
Chris@0:         puts
Chris@0: 
Chris@0:         puts
Chris@0:         puts "Components:      #{migrated_components}/#{TracComponent.count}"
Chris@0:         puts "Milestones:      #{migrated_milestones}/#{TracMilestone.count}"
Chris@0:         puts "Tickets:         #{migrated_tickets}/#{TracTicket.count}"
Chris@0:         puts "Ticket files:    #{migrated_ticket_attachments}/" + TracAttachment.count(:conditions => {:type => 'ticket'}).to_s
Chris@0:         puts "Custom values:   #{migrated_custom_values}/#{TracTicketCustom.count}"
Chris@0:         puts "Wiki edits:      #{migrated_wiki_edits}/#{wiki_edit_count}"
Chris@0:         puts "Wiki files:      #{migrated_wiki_attachments}/" + TracAttachment.count(:conditions => {:type => 'wiki'}).to_s
Chris@0:       end
Chris@0: 
Chris@0:       def self.limit_for(klass, attribute)
Chris@0:         klass.columns_hash[attribute.to_s].limit
Chris@0:       end
Chris@0: 
Chris@0:       def self.encoding(charset)
Chris@0:         @ic = Iconv.new('UTF-8', charset)
Chris@0:       rescue Iconv::InvalidEncoding
Chris@0:         puts "Invalid encoding!"
Chris@0:         return false
Chris@0:       end
Chris@0: 
Chris@0:       def self.set_trac_directory(path)
Chris@0:         @@trac_directory = path
Chris@0:         raise "This directory doesn't exist!" unless File.directory?(path)
Chris@0:         raise "#{trac_attachments_directory} doesn't exist!" unless File.directory?(trac_attachments_directory)
Chris@0:         @@trac_directory
Chris@0:       rescue Exception => e
Chris@0:         puts e
Chris@0:         return false
Chris@0:       end
Chris@0: 
Chris@0:       def self.trac_directory
Chris@0:         @@trac_directory
Chris@0:       end
Chris@0: 
Chris@0:       def self.set_trac_adapter(adapter)
Chris@0:         return false if adapter.blank?
Chris@0:         raise "Unknown adapter: #{adapter}!" unless %w(sqlite sqlite3 mysql postgresql).include?(adapter)
Chris@0:         # If adapter is sqlite or sqlite3, make sure that trac.db exists
Chris@0:         raise "#{trac_db_path} doesn't exist!" if %w(sqlite sqlite3).include?(adapter) && !File.exist?(trac_db_path)
Chris@0:         @@trac_adapter = adapter
Chris@0:       rescue Exception => e
Chris@0:         puts e
Chris@0:         return false
Chris@0:       end
Chris@0: 
Chris@0:       def self.set_trac_db_host(host)
Chris@0:         return nil if host.blank?
Chris@0:         @@trac_db_host = host
Chris@0:       end
Chris@0: 
Chris@0:       def self.set_trac_db_port(port)
Chris@0:         return nil if port.to_i == 0
Chris@0:         @@trac_db_port = port.to_i
Chris@0:       end
Chris@0: 
Chris@0:       def self.set_trac_db_name(name)
Chris@0:         return nil if name.blank?
Chris@0:         @@trac_db_name = name
Chris@0:       end
Chris@0: 
Chris@0:       def self.set_trac_db_username(username)
Chris@0:         @@trac_db_username = username
Chris@0:       end
Chris@0: 
Chris@0:       def self.set_trac_db_password(password)
Chris@0:         @@trac_db_password = password
Chris@0:       end
Chris@0: 
Chris@0:       def self.set_trac_db_schema(schema)
Chris@0:         @@trac_db_schema = schema
Chris@0:       end
Chris@0: 
Chris@0:       mattr_reader :trac_directory, :trac_adapter, :trac_db_host, :trac_db_port, :trac_db_name, :trac_db_schema, :trac_db_username, :trac_db_password
Chris@0: 
Chris@0:       def self.trac_db_path; "#{trac_directory}/db/trac.db" end
Chris@0:       def self.trac_attachments_directory; "#{trac_directory}/attachments" end
Chris@0: 
Chris@0:       def self.target_project_identifier(identifier)
Chris@0:         project = Project.find_by_identifier(identifier)
Chris@0:         if !project
Chris@0:           # create the target project
Chris@0:           project = Project.new :name => identifier.humanize,
Chris@0:                                 :description => ''
Chris@0:           project.identifier = identifier
Chris@0:           puts "Unable to create a project with identifier '#{identifier}'!" unless project.save
Chris@0:           # enable issues and wiki for the created project
Chris@0:           project.enabled_module_names = ['issue_tracking', 'wiki']
Chris@0:         else
Chris@0:           puts
Chris@0:           puts "This project already exists in your Redmine database."
Chris@0:           print "Are you sure you want to append data to this project ? [Y/n] "
Chris@0:           STDOUT.flush
Chris@0:           exit if STDIN.gets.match(/^n$/i)
Chris@0:         end
Chris@0:         project.trackers << TRACKER_BUG unless project.trackers.include?(TRACKER_BUG)
Chris@0:         project.trackers << TRACKER_FEATURE unless project.trackers.include?(TRACKER_FEATURE)
Chris@0:         @target_project = project.new_record? ? nil : project
Chris@0:         @target_project.reload
Chris@0:       end
Chris@0: 
Chris@0:       def self.connection_params
Chris@0:         if %w(sqlite sqlite3).include?(trac_adapter)
Chris@0:           {:adapter => trac_adapter,
Chris@0:            :database => trac_db_path}
Chris@0:         else
Chris@0:           {:adapter => trac_adapter,
Chris@0:            :database => trac_db_name,
Chris@0:            :host => trac_db_host,
Chris@0:            :port => trac_db_port,
Chris@0:            :username => trac_db_username,
Chris@0:            :password => trac_db_password,
Chris@0:            :schema_search_path => trac_db_schema
Chris@0:           }
Chris@0:         end
Chris@0:       end
Chris@0: 
Chris@0:       def self.establish_connection
Chris@0:         constants.each do |const|
Chris@0:           klass = const_get(const)
Chris@0:           next unless klass.respond_to? 'establish_connection'
Chris@0:           klass.establish_connection connection_params
Chris@0:         end
Chris@0:       end
Chris@0: 
Chris@0:     private
Chris@0:       def self.encode(text)
Chris@0:         @ic.iconv text
Chris@0:       rescue
Chris@0:         text
Chris@0:       end
Chris@0:     end
Chris@0: 
Chris@0:     puts
Chris@0:     if Redmine::DefaultData::Loader.no_data?
Chris@0:       puts "Redmine configuration need to be loaded before importing data."
Chris@0:       puts "Please, run this first:"
Chris@0:       puts
Chris@0:       puts "  rake redmine:load_default_data RAILS_ENV=\"#{ENV['RAILS_ENV']}\""
Chris@0:       exit
Chris@0:     end
Chris@0: 
Chris@0:     puts "WARNING: a new project will be added to Redmine during this process."
Chris@0:     print "Are you sure you want to continue ? [y/N] "
Chris@0:     STDOUT.flush
Chris@0:     break unless STDIN.gets.match(/^y$/i)
Chris@0:     puts
Chris@0: 
Chris@0:     def prompt(text, options = {}, &block)
Chris@0:       default = options[:default] || ''
Chris@0:       while true
Chris@0:         print "#{text} [#{default}]: "
Chris@0:         STDOUT.flush
Chris@0:         value = STDIN.gets.chomp!
Chris@0:         value = default if value.blank?
Chris@0:         break if yield value
Chris@0:       end
Chris@0:     end
Chris@0: 
Chris@0:     DEFAULT_PORTS = {'mysql' => 3306, 'postgresql' => 5432}
Chris@0: 
Chris@0:     prompt('Trac directory') {|directory| TracMigrate.set_trac_directory directory.strip}
Chris@0:     prompt('Trac database adapter (sqlite, sqlite3, mysql, postgresql)', :default => 'sqlite') {|adapter| TracMigrate.set_trac_adapter adapter}
Chris@0:     unless %w(sqlite sqlite3).include?(TracMigrate.trac_adapter)
Chris@0:       prompt('Trac database host', :default => 'localhost') {|host| TracMigrate.set_trac_db_host host}
Chris@0:       prompt('Trac database port', :default => DEFAULT_PORTS[TracMigrate.trac_adapter]) {|port| TracMigrate.set_trac_db_port port}
Chris@0:       prompt('Trac database name') {|name| TracMigrate.set_trac_db_name name}
Chris@0:       prompt('Trac database schema', :default => 'public') {|schema| TracMigrate.set_trac_db_schema schema}
Chris@0:       prompt('Trac database username') {|username| TracMigrate.set_trac_db_username username}
Chris@0:       prompt('Trac database password') {|password| TracMigrate.set_trac_db_password password}
Chris@0:     end
Chris@0:     prompt('Trac database encoding', :default => 'UTF-8') {|encoding| TracMigrate.encoding encoding}
Chris@0:     prompt('Target project identifier') {|identifier| TracMigrate.target_project_identifier identifier}
Chris@0:     puts
Chris@0:     
Chris@0:     # Turn off email notifications
Chris@0:     Setting.notified_events = []
Chris@0:     
Chris@0:     TracMigrate.migrate
Chris@0:   end
Chris@0: end
Chris@0: