jro_apps/redmine Commit - r1207:494a6ecfb0a9

Trac and Mantis importers: check that default configuration is loaded before processing....

Jean-Philippe Lang -

r1207:494a6ecfb0a9

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r1207:494a6ecfb0a9

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lib/tasks/migrate_from_mantis.rake +8 0

             # redMine - project management software
             # Copyright (C) 2006-2007  Jean-Philippe Lang
             #
             # This program is free software; you can redistribute it and/or
             # modify it under the terms of the GNU General Public License
             # as published by the Free Software Foundation; either version 2
             # of the License, or (at your option) any later version.
             #
             # This program is distributed in the hope that it will be useful,
             # but WITHOUT ANY WARRANTY; without even the implied warranty of
             # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
             # GNU General Public License for more details.
             #
             # You should have received a copy of the GNU General Public License
             # along with this program; if not, write to the Free Software
             # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
             desc 'Mantis migration script'
             require 'active_record'
             require 'iconv'
             require 'pp'
             namespace :redmine do
             task :migrate_from_mantis => :environment do
               module MantisMigrate
                   DEFAULT_STATUS = IssueStatus.default
                   assigned_status = IssueStatus.find_by_position(2)
                   resolved_status = IssueStatus.find_by_position(3)
                   feedback_status = IssueStatus.find_by_position(4)
                   closed_status = IssueStatus.find :first, :conditions => { :is_closed => true }
                   STATUS_MAPPING = {10 => DEFAULT_STATUS,  # new
 => feedback_status, # feedback
 => DEFAULT_STATUS,  # acknowledged
 => DEFAULT_STATUS,  # confirmed
 => assigned_status, # assigned
 => resolved_status, # resolved
 => closed_status    # closed
                                     }
                   priorities = Enumeration.get_values('IPRI')
                   DEFAULT_PRIORITY = priorities[2]
                   PRIORITY_MAPPING = {10 => priorities[1], # none
 => priorities[1], # low
 => priorities[2], # normal
 => priorities[3], # high
 => priorities[4], # urgent
 => priorities[5]  # immediate
                                       }
                   TRACKER_BUG = Tracker.find_by_position(1)
                   TRACKER_FEATURE = Tracker.find_by_position(2)
                   roles = Role.find(:all, :conditions => {:builtin => 0}, :order => 'position ASC')
                   manager_role = roles[0]
                   developer_role = roles[1]
                   DEFAULT_ROLE = roles.last
                   ROLE_MAPPING = {10 => DEFAULT_ROLE,   # viewer
 => DEFAULT_ROLE,   # reporter
 => DEFAULT_ROLE,   # updater
 => developer_role, # developer
 => manager_role,   # manager
 => manager_role    # administrator
                                   }
                   CUSTOM_FIELD_TYPE_MAPPING = {0 => 'string', # String
 => 'int',    # Numeric
 => 'int',    # Float
 => 'list',   # Enumeration
 => 'string', # Email
 => 'bool',   # Checkbox
 => 'list',   # List
 => 'list',   # Multiselection list
 => 'date',   # Date
                                                }
                   RELATION_TYPE_MAPPING = {1 => IssueRelation::TYPE_RELATES,    # related to
 => IssueRelation::TYPE_RELATES,    # parent of
 => IssueRelation::TYPE_RELATES,    # child of
 => IssueRelation::TYPE_DUPLICATES, # duplicate of
 => IssueRelation::TYPE_DUPLICATES  # has duplicate
                                            }
                 class MantisUser < ActiveRecord::Base
                   set_table_name :mantis_user_table
                   def firstname
                     @firstname = realname.blank? ? username : realname.split.first[0..29]
                     @firstname.gsub!(/[^\w\s\'\-]/i, '')
                     @firstname
                   end
                   def lastname
                     @lastname = realname.blank? ? '-' : realname.split[1..-1].join(' ')[0..29]
                     @lastname.gsub!(/[^\w\s\'\-]/i, '')
                     @lastname = '-' if @lastname.blank?
                     @lastname
                   end
                   def email
                     if read_attribute(:email).match(/^([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})$/i) &&
                          !User.find_by_mail(read_attribute(:email))
                       @email = read_attribute(:email)
                     else
                       @email = "#{username}@foo.bar"
                     end
                   end
                   def username
                     read_attribute(:username)[0..29].gsub(/[^a-zA-Z0-9_\-@\.]/, '-')
                   end
                 end
                 class MantisProject < ActiveRecord::Base
                   set_table_name :mantis_project_table
                   has_many :versions, :class_name => "MantisVersion", :foreign_key => :project_id
                   has_many :categories, :class_name => "MantisCategory", :foreign_key => :project_id
                   has_many :news, :class_name => "MantisNews", :foreign_key => :project_id
                   has_many :members, :class_name => "MantisProjectUser", :foreign_key => :project_id
                   def name
                     read_attribute(:name)[0..29]
                   end
                   def identifier
                     read_attribute(:name).underscore[0..19].gsub(/[^a-z0-9\-]/, '-')
                   end
                 end
                 class MantisVersion < ActiveRecord::Base
                   set_table_name :mantis_project_version_table
                   def version
                     read_attribute(:version)[0..29]
                   end
                   def description
                     read_attribute(:description)[0..254]
                   end
                 end
                 class MantisCategory < ActiveRecord::Base
                   set_table_name :mantis_project_category_table
                 end
                 class MantisProjectUser < ActiveRecord::Base
                   set_table_name :mantis_project_user_list_table
                 end
                 class MantisBug < ActiveRecord::Base
                   set_table_name :mantis_bug_table
                   belongs_to :bug_text, :class_name => "MantisBugText", :foreign_key => :bug_text_id
                   has_many :bug_notes, :class_name => "MantisBugNote", :foreign_key => :bug_id
                   has_many :bug_files, :class_name => "MantisBugFile", :foreign_key => :bug_id
                   has_many :bug_monitors, :class_name => "MantisBugMonitor", :foreign_key => :bug_id
                 end
                 class MantisBugText < ActiveRecord::Base
                   set_table_name :mantis_bug_text_table
                   # Adds Mantis steps_to_reproduce and additional_information fields
                   # to description if any
                   def full_description
                     full_description = description
                     full_description += "\n\n*Steps to reproduce:*\n\n#{steps_to_reproduce}" unless steps_to_reproduce.blank?
                     full_description += "\n\n*Additional information:*\n\n#{additional_information}" unless additional_information.blank?
                     full_description
                   end
                 end
                 class MantisBugNote < ActiveRecord::Base
                   set_table_name :mantis_bugnote_table
                   belongs_to :bug, :class_name => "MantisBug", :foreign_key => :bug_id
                   belongs_to :bug_note_text, :class_name => "MantisBugNoteText", :foreign_key => :bugnote_text_id
                 end
                 class MantisBugNoteText < ActiveRecord::Base
                   set_table_name :mantis_bugnote_text_table
                 end
                 class MantisBugFile < ActiveRecord::Base
                   set_table_name :mantis_bug_file_table
                   def size
                     filesize
                   end
                   def original_filename
                     MantisMigrate.encode(filename)
                   end
                   def content_type
                     file_type
                   end
                   def read
                     content
                   end
                 end
                 class MantisBugRelationship < ActiveRecord::Base
                   set_table_name :mantis_bug_relationship_table
                 end
                 class MantisBugMonitor < ActiveRecord::Base
                   set_table_name :mantis_bug_monitor_table
                 end
                 class MantisNews < ActiveRecord::Base
                   set_table_name :mantis_news_table
                 end
                 class MantisCustomField < ActiveRecord::Base
                   set_table_name :mantis_custom_field_table
                   set_inheritance_column :none
                   has_many :values, :class_name => "MantisCustomFieldString", :foreign_key => :field_id
                   has_many :projects, :class_name => "MantisCustomFieldProject", :foreign_key => :field_id
                   def format
                     read_attribute :type
                   end
                   def name
                     read_attribute(:name)[0..29].gsub(/[^\w\s\'\-]/, '-')
                   end
                 end
                 class MantisCustomFieldProject < ActiveRecord::Base
                   set_table_name :mantis_custom_field_project_table
                 end
                 class MantisCustomFieldString < ActiveRecord::Base
                   set_table_name :mantis_custom_field_string_table
                 end
                 def self.migrate
                   # Users
                   print "Migrating users"
                   User.delete_all "login <> 'admin'"
                   users_map = {}
                   users_migrated = 0
                   MantisUser.find(:all).each do |user|
                 	u = User.new :firstname => encode(user.firstname),
                 				 :lastname => encode(user.lastname),
                 				 :mail => user.email,
                 				 :last_login_on => user.last_visit
                 	u.login = user.username
                 	u.password = 'mantis'
                 	u.status = User::STATUS_LOCKED if user.enabled != 1
                 	u.admin = true if user.access_level == 90
                 	next unless u.save!
                 	users_migrated += 1
                 	users_map[user.id] = u.id
                 	print '.'
                   end
                   puts
                   # Projects
                   print "Migrating projects"
                   Project.destroy_all
                   projects_map = {}
                   versions_map = {}
                   categories_map = {}
                   MantisProject.find(:all).each do |project|
                 	p = Project.new :name => encode(project.name),
                                     :description => encode(project.description)
                 	p.identifier = project.identifier
                 	next unless p.save
                 	projects_map[project.id] = p.id
                 	p.enabled_module_names = ['issue_tracking', 'news', 'wiki']
                     p.trackers << TRACKER_BUG
                     p.trackers << TRACKER_FEATURE
                 	print '.'
                 	# Project members
                 	project.members.each do |member|
                       m = Member.new :user => User.find_by_id(users_map[member.user_id]),
                 	                 :role => ROLE_MAPPING[member.access_level] || DEFAULT_ROLE
                 	  m.project = p
                 	  m.save
                 	end
                 	# Project versions
                 	project.versions.each do |version|
                       v = Version.new :name => encode(version.version),
                                       :description => encode(version.description),
                                       :effective_date => version.date_order.to_date
                       v.project = p
                       v.save
                       versions_map[version.id] = v.id
                 	end
                 	# Project categories
                 	project.categories.each do |category|
                       g = IssueCategory.new :name => category.category[0,30]
                       g.project = p
                       g.save
                       categories_map[category.category] = g.id
                 	end
                   end
                   puts
                   # Bugs
                   print "Migrating bugs"
                   Issue.destroy_all
                   issues_map = {}
                   keep_bug_ids = (Issue.count == 0)
                   MantisBug.find(:all, :order => 'id ASC').each do |bug|
                     next unless projects_map[bug.project_id] && users_map[bug.reporter_id]
                 	i = Issue.new :project_id => projects_map[bug.project_id],
                                   :subject => encode(bug.summary),
                                   :description => encode(bug.bug_text.full_description),
                                   :priority => PRIORITY_MAPPING[bug.priority] || DEFAULT_PRIORITY,
                                   :created_on => bug.date_submitted,
                                   :updated_on => bug.last_updated
                 	i.author = User.find_by_id(users_map[bug.reporter_id])
                 	i.category = IssueCategory.find_by_project_id_and_name(i.project_id, bug.category[0,30]) unless bug.category.blank?
                 	i.fixed_version = Version.find_by_project_id_and_name(i.project_id, bug.fixed_in_version) unless bug.fixed_in_version.blank?
                 	i.status = STATUS_MAPPING[bug.status] || DEFAULT_STATUS
                 	i.tracker = (bug.severity == 10 ? TRACKER_FEATURE : TRACKER_BUG)
                 	i.id = bug.id if keep_bug_ids
                 	next unless i.save
                 	issues_map[bug.id] = i.id
                 	print '.'
                     # Assignee
                     # Redmine checks that the assignee is a project member
                     if (bug.handler_id && users_map[bug.handler_id])
                       i.assigned_to = User.find_by_id(users_map[bug.handler_id])
                       i.save_with_validation(false)
                     end
                 	# Bug notes
                 	bug.bug_notes.each do |note|
                 	  next unless users_map[note.reporter_id]
                       n = Journal.new :notes => encode(note.bug_note_text.note),
                                       :created_on => note.date_submitted
                       n.user = User.find_by_id(users_map[note.reporter_id])
                       n.journalized = i
                       n.save
                 	end
                     # Bug files
                     bug.bug_files.each do |file|
                       a = Attachment.new :created_on => file.date_added
                       a.file = file
                       a.author = User.find :first
                       a.container = i
                       a.save
                     end
                     # Bug monitors
                     bug.bug_monitors.each do |monitor|
                       next unless users_map[monitor.user_id]
                       i.add_watcher(User.find_by_id(users_map[monitor.user_id]))
                     end
                   end
                   # update issue id sequence if needed (postgresql)
                   Issue.connection.reset_pk_sequence!(Issue.table_name) if Issue.connection.respond_to?('reset_pk_sequence!')
                   puts
                   # Bug relationships
                   print "Migrating bug relations"
                   MantisBugRelationship.find(:all).each do |relation|
                     next unless issues_map[relation.source_bug_id] && issues_map[relation.destination_bug_id]
                     r = IssueRelation.new :relation_type => RELATION_TYPE_MAPPING[relation.relationship_type]
                     r.issue_from = Issue.find_by_id(issues_map[relation.source_bug_id])
                     r.issue_to = Issue.find_by_id(issues_map[relation.destination_bug_id])
                     pp r unless r.save
                     print '.'
                   end
                   puts
                   # News
                   print "Migrating news"
                   News.destroy_all
                   MantisNews.find(:all, :conditions => 'project_id > 0').each do |news|
                     next unless projects_map[news.project_id]
                     n = News.new :project_id => projects_map[news.project_id],
                                  :title => encode(news.headline[0..59]),
                                  :description => encode(news.body),
                                  :created_on => news.date_posted
                     n.author = User.find_by_id(users_map[news.poster_id])
                     n.save
                     print '.'
                   end
                   puts
                   # Custom fields
                   print "Migrating custom fields"
                   IssueCustomField.destroy_all
                   MantisCustomField.find(:all).each do |field|
                     f = IssueCustomField.new :name => field.name[0..29],
                                              :field_format => CUSTOM_FIELD_TYPE_MAPPING[field.format],
                                              :min_length => field.length_min,
                                              :max_length => field.length_max,
                                              :regexp => field.valid_regexp,
                                              :possible_values => field.possible_values.split('|'),
                                              :is_required => field.require_report?
                     next unless f.save
                     print '.'
                     # Trackers association
                     f.trackers = Tracker.find :all
                     # Projects association
                     field.projects.each do |project|
                       f.projects << Project.find_by_id(projects_map[project.project_id]) if projects_map[project.project_id]
                     end
                     # Values
                     field.values.each do |value|
                       v = CustomValue.new :custom_field_id => f.id,
                                           :value => value.value
                       v.customized = Issue.find_by_id(issues_map[value.bug_id]) if issues_map[value.bug_id]
                       v.save
                     end unless f.new_record?
                   end
                   puts
                   puts
                   puts "Users:           #{users_migrated}/#{MantisUser.count}"
                   puts "Projects:        #{Project.count}/#{MantisProject.count}"
                   puts "Memberships:     #{Member.count}/#{MantisProjectUser.count}"
                   puts "Versions:        #{Version.count}/#{MantisVersion.count}"
                   puts "Categories:      #{IssueCategory.count}/#{MantisCategory.count}"
                   puts "Bugs:            #{Issue.count}/#{MantisBug.count}"
                   puts "Bug notes:       #{Journal.count}/#{MantisBugNote.count}"
                   puts "Bug files:       #{Attachment.count}/#{MantisBugFile.count}"
                   puts "Bug relations:   #{IssueRelation.count}/#{MantisBugRelationship.count}"
                   puts "Bug monitors:    #{Watcher.count}/#{MantisBugMonitor.count}"
                   puts "News:            #{News.count}/#{MantisNews.count}"
                   puts "Custom fields:   #{IssueCustomField.count}/#{MantisCustomField.count}"
                 end
                 def self.encoding(charset)
                   @ic = Iconv.new('UTF-8', charset)
                 rescue Iconv::InvalidEncoding
                   return false
                 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
                 def self.encode(text)
                   @ic.iconv text
                 rescue
                   text
                 end
               end
               puts
+              if Redmine::DefaultData::Loader.no_data?
+                puts "Redmine configuration need to be loaded before importing data."
+                puts "Please, run this first:"
+                puts
+                puts "  rake redmine:load_default_data RAILS_ENV=\"#{ENV['RAILS_ENV']}\""
+                exit
+              end
               puts "WARNING: Your Redmine data will be deleted during this process."
               print "Are you sure you want to continue ? [y/N] "
               break unless STDIN.gets.match(/^y$/i)
               # Default Mantis database settings
               db_params = {:adapter => 'mysql',
                            :database => 'bugtracker',
                            :host => 'localhost',
                            :username => 'root',
                            :password => '' }
               puts
               puts "Please enter settings for your Mantis database"
               [:adapter, :host, :database, :username, :password].each do |param|
                 print "#{param} [#{db_params[param]}]: "
                 value = STDIN.gets.chomp!
                 db_params[param] = value unless value.blank?
               end
               while true
                 print "encoding [UTF-8]: "
                 encoding = STDIN.gets.chomp!
                 encoding = 'UTF-8' if encoding.blank?
                 break if MantisMigrate.encoding encoding
                 puts "Invalid encoding!"
               end
               puts
               # Make sure bugs can refer bugs in other projects
               Setting.cross_project_issue_relations = 1 if Setting.respond_to? 'cross_project_issue_relations'
               MantisMigrate.establish_connection db_params
               MantisMigrate.migrate
             end
             end

lib/tasks/migrate_from_trac.rake +8 0

             # redMine - project management software
             # Copyright (C) 2006-2007  Jean-Philippe Lang
             #
             # This program is free software; you can redistribute it and/or
             # modify it under the terms of the GNU General Public License
             # as published by the Free Software Foundation; either version 2
             # of the License, or (at your option) any later version.
             #
             # This program is distributed in the hope that it will be useful,
             # but WITHOUT ANY WARRANTY; without even the implied warranty of
             # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
             # GNU General Public License for more details.
             #
             # You should have received a copy of the GNU General Public License
             # along with this program; if not, write to the Free Software
             # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
             require 'active_record'
             require 'iconv'
             require 'pp'
             namespace :redmine do
               desc 'Trac migration script'
               task :migrate_from_trac => :environment do
                 module TracMigrate
                     TICKET_MAP = []
                     DEFAULT_STATUS = IssueStatus.default
                     assigned_status = IssueStatus.find_by_position(2)
                     resolved_status = IssueStatus.find_by_position(3)
                     feedback_status = IssueStatus.find_by_position(4)
                     closed_status = IssueStatus.find :first, :conditions => { :is_closed => true }
                     STATUS_MAPPING = {'new' => DEFAULT_STATUS,
                                       'reopened' => feedback_status,
                                       'assigned' => assigned_status,
                                       'closed' => closed_status
                                       }
                     priorities = Enumeration.get_values('IPRI')
                     DEFAULT_PRIORITY = priorities[0]
                     PRIORITY_MAPPING = {'lowest' => priorities[0],
                                         'low' => priorities[0],
                                         'normal' => priorities[1],
                                         'high' => priorities[2],
                                         'highest' => priorities[3],
                                         # ---
                                         'trivial' => priorities[0],
                                         'minor' => priorities[1],
                                         'major' => priorities[2],
                                         'critical' => priorities[3],
                                         'blocker' => priorities[4]
                                         }
                     TRACKER_BUG = Tracker.find_by_position(1)
                     TRACKER_FEATURE = Tracker.find_by_position(2)
                     DEFAULT_TRACKER = TRACKER_BUG
                     TRACKER_MAPPING = {'defect' => TRACKER_BUG,
                                        'enhancement' => TRACKER_FEATURE,
                                        'task' => TRACKER_FEATURE,
                                        'patch' =>TRACKER_FEATURE
                                        }
                     roles = Role.find(:all, :conditions => {:builtin => 0}, :order => 'position ASC')
                     manager_role = roles[0]
                     developer_role = roles[1]
                     DEFAULT_ROLE = roles.last
                     ROLE_MAPPING = {'admin' => manager_role,
                                     'developer' => developer_role
                                     }
                   class TracComponent < ActiveRecord::Base
                     set_table_name :component
                   end
                   class TracMilestone < ActiveRecord::Base
                     set_table_name :milestone
                     def due
                       if read_attribute(:due) > 0
                         Time.at(read_attribute(:due)).to_date
                       else
                         nil
                       end
                     end
                   end
                   class TracTicketCustom < ActiveRecord::Base
                     set_table_name :ticket_custom
                   end
                   class TracAttachment < ActiveRecord::Base
                     set_table_name :attachment
                     set_inheritance_column :none
                     def time; Time.at(read_attribute(:time)) end
                     def original_filename
                       filename
                     end
                     def content_type
                       Redmine::MimeType.of(filename) || ''
                     end
                     def exist?
                       File.file? trac_fullpath
                     end
                     def read
                       File.open("#{trac_fullpath}", 'rb').read
                     end
                   private
                     def trac_fullpath
                       attachment_type = read_attribute(:type)
                       trac_file = filename.gsub( /[^a-zA-Z0-9\-_\.!~*']/n ) {|x| sprintf('%%%02x', x[0]) }
                       "#{TracMigrate.trac_attachments_directory}/#{attachment_type}/#{id}/#{trac_file}"
                     end
                   end
                   class TracTicket < ActiveRecord::Base
                     set_table_name :ticket
                     set_inheritance_column :none
                     # ticket changes: only migrate status changes and comments
                     has_many :changes, :class_name => "TracTicketChange", :foreign_key => :ticket
                     has_many :attachments, :class_name => "TracAttachment", :foreign_key => :id, :conditions => "#{TracMigrate::TracAttachment.table_name}.type = 'ticket'"
                     has_many :customs, :class_name => "TracTicketCustom", :foreign_key => :ticket
                     def ticket_type
                       read_attribute(:type)
                     end
                     def summary
                       read_attribute(:summary).blank? ? "(no subject)" : read_attribute(:summary)
                     end
                     def description
                       read_attribute(:description).blank? ? summary : read_attribute(:description)
                     end
                     def time; Time.at(read_attribute(:time)) end
                   end
                   class TracTicketChange < ActiveRecord::Base
                     set_table_name :ticket_change
                     def time; Time.at(read_attribute(:time)) end
                   end
                   TRAC_WIKI_PAGES = %w(TracAccessibility TracAdmin TracBackup TracBrowser TracCgi TracChangeset \
                                        TracEnvironment TracFastCgi TracGuide TracImport TracIni TracInstall TracInterfaceCustomization \
                                        TracLinks TracLogging TracModPython TracNotification TracPermissions TracPlugins TracQuery \
                                        TracReports TracRoadmap TracRss TracSearch TracStandalone TracSupport TracSyntaxColoring TracTickets \
                                        TracTicketsCustomFields TracTimeline TracUnicode TracUpgrade TracWiki WikiDeletePage WikiFormatting \
                                        WikiHtml WikiMacros WikiNewPage WikiPageNames WikiProcessors WikiRestructuredText WikiRestructuredTextLinks \
                                        CamelCase TitleIndex)
                   class TracWikiPage < ActiveRecord::Base
                     set_table_name :wiki
                     set_primary_key :name
                     has_many :attachments, :class_name => "TracAttachment", :foreign_key => :id, :conditions => "#{TracMigrate::TracAttachment.table_name}.type = 'wiki'"
                     def self.columns
                       # Hides readonly Trac field to prevent clash with AR readonly? method (Rails 2.0)
                       super.select {|column| column.name.to_s != 'readonly'}
                     end
                   end
                   class TracPermission < ActiveRecord::Base
                     set_table_name :permission
                   end
                   def self.find_or_create_user(username, project_member = false)
                     return User.anonymous if username.blank?
                     u = User.find_by_login(username)
                     if !u
                       # Create a new user if not found
                       mail = username[0,limit_for(User, 'mail')]
                       mail = "#{mail}@foo.bar" unless mail.include?("@")
                       u = User.new :firstname => username[0,limit_for(User, 'firstname')].gsub(/[^\w\s\'\-]/i, '-'),
                                    :lastname => '-',
                                    :mail => mail.gsub(/[^-@a-z0-9\.]/i, '-')
                       u.login = username[0,limit_for(User, 'login')].gsub(/[^a-z0-9_\-@\.]/i, '-')
                       u.password = 'trac'
                       u.admin = true if TracPermission.find_by_username_and_action(username, 'admin')
                       # finally, a default user is used if the new user is not valid
                       u = User.find(:first) unless u.save
                     end
                     # Make sure he is a member of the project
                     if project_member && !u.member_of?(@target_project)
                       role = DEFAULT_ROLE
                       if u.admin
                         role = ROLE_MAPPING['admin']
                       elsif TracPermission.find_by_username_and_action(username, 'developer')
                         role = ROLE_MAPPING['developer']
                       end
                       Member.create(:user => u, :project => @target_project, :role => role)
                       u.reload
                     end
                     u
                   end
                   # Basic wiki syntax conversion
                   def self.convert_wiki_text(text)
                     # Titles
                     text = text.gsub(/^(\=+)\s(.+)\s(\=+)/) {|s| "\nh#{$1.length}. #{$2}\n"}
                     # External Links
                     text = text.gsub(/\[(http[^\s]+)\s+([^\]]+)\]/) {|s| "\"#{$2}\":#{$1}"}
                     # Internal Links
                     text = text.gsub(/\[\[BR\]\]/, "\n") # This has to go before the rules below
                     text = text.gsub(/\[\"(.+)\".*\]/) {|s| "[[#{$1.delete(',./?;|:')}]]"}
                     text = text.gsub(/\[wiki:\"(.+)\".*\]/) {|s| "[[#{$1.delete(',./?;|:')}]]"}
                     text = text.gsub(/\[wiki:\"(.+)\".*\]/) {|s| "[[#{$1.delete(',./?;|:')}]]"}
                     text = text.gsub(/\[wiki:([^\s\]]+).*\]/) {|s| "[[#{$1.delete(',./?;|:')}]]"}
                     # Revisions links
                     text = text.gsub(/\[(\d+)\]/, 'r\1')
                     # Ticket number re-writing
                     text = text.gsub(/#(\d+)/) do |s|
                       if $1.length < 10
                         TICKET_MAP[$1.to_i] ||= $1
                         "\##{TICKET_MAP[$1.to_i] || $1}"
                       else
                         s
                       end
                     end
                     # Preformatted blocks
                     text = text.gsub(/\{\{\{/, '<pre>')
                     text = text.gsub(/\}\}\}/, '</pre>')
                     # Highlighting
                     text = text.gsub(/'''''([^\s])/, '_*\1')
                     text = text.gsub(/([^\s])'''''/, '\1*_')
                     text = text.gsub(/'''/, '*')
                     text = text.gsub(/''/, '_')
                     text = text.gsub(/__/, '+')
                     text = text.gsub(/~~/, '-')
                     text = text.gsub(/`/, '@')
                     text = text.gsub(/,,/, '~')
                     # Lists
                     text = text.gsub(/^([ ]+)\* /) {|s| '*' * $1.length + " "}
                     text
                   end
                   def self.migrate
                     establish_connection
                     # Quick database test
                     TracComponent.count
                     migrated_components = 0
                     migrated_milestones = 0
                     migrated_tickets = 0
                     migrated_custom_values = 0
                     migrated_ticket_attachments = 0
                     migrated_wiki_edits = 0
                     migrated_wiki_attachments = 0
                     # Components
                     print "Migrating components"
                     issues_category_map = {}
                     TracComponent.find(:all).each do |component|
                   	print '.'
                   	STDOUT.flush
                       c = IssueCategory.new :project => @target_project,
                                             :name => encode(component.name[0, limit_for(IssueCategory, 'name')])
                   	next unless c.save
                   	issues_category_map[component.name] = c
                   	migrated_components += 1
                     end
                     puts
                     # Milestones
                     print "Migrating milestones"
                     version_map = {}
                     TracMilestone.find(:all).each do |milestone|
                       print '.'
                       STDOUT.flush
                       v = Version.new :project => @target_project,
                                       :name => encode(milestone.name[0, limit_for(Version, 'name')]),
                                       :description => encode(milestone.description.to_s[0, limit_for(Version, 'description')]),
                                       :effective_date => milestone.due
                       next unless v.save
                       version_map[milestone.name] = v
                       migrated_milestones += 1
                     end
                     puts
                     # Custom fields
                     # TODO: read trac.ini instead
                     print "Migrating custom fields"
                     custom_field_map = {}
                     TracTicketCustom.find_by_sql("SELECT DISTINCT name FROM #{TracTicketCustom.table_name}").each do |field|
                       print '.'
                       STDOUT.flush
                       # Redmine custom field name
                       field_name = encode(field.name[0, limit_for(IssueCustomField, 'name')]).humanize
                       # Find if the custom already exists in Redmine
                       f = IssueCustomField.find_by_name(field_name)
                       # Or create a new one
                       f ||= IssueCustomField.create(:name => encode(field.name[0, limit_for(IssueCustomField, 'name')]).humanize,
                                                     :field_format => 'string')
                       next if f.new_record?
                       f.trackers = Tracker.find(:all)
                       f.projects << @target_project
                       custom_field_map[field.name] = f
                     end
                     puts
                     # Trac 'resolution' field as a Redmine custom field
                     r = IssueCustomField.find(:first, :conditions => { :name => "Resolution" })
                     r = IssueCustomField.new(:name => 'Resolution',
                                              :field_format => 'list',
                                              :is_filter => true) if r.nil?
                     r.trackers = Tracker.find(:all)
                     r.projects << @target_project
                     r.possible_values = %w(fixed invalid wontfix duplicate worksforme)
                     custom_field_map['resolution'] = r if r.save
                     # Tickets
                     print "Migrating tickets"
                       TracTicket.find(:all, :order => 'id ASC').each do |ticket|
                     	print '.'
                     	STDOUT.flush
                     	i = Issue.new :project => @target_project,
                                       :subject => encode(ticket.summary[0, limit_for(Issue, 'subject')]),
                                       :description => convert_wiki_text(encode(ticket.description)),
                                       :priority => PRIORITY_MAPPING[ticket.priority] || DEFAULT_PRIORITY,
                                       :created_on => ticket.time
                     	i.author = find_or_create_user(ticket.reporter)
                     	i.category = issues_category_map[ticket.component] unless ticket.component.blank?
                     	i.fixed_version = version_map[ticket.milestone] unless ticket.milestone.blank?
                     	i.status = STATUS_MAPPING[ticket.status] || DEFAULT_STATUS
                     	i.tracker = TRACKER_MAPPING[ticket.ticket_type] || DEFAULT_TRACKER
                     	i.custom_values << CustomValue.new(:custom_field => custom_field_map['resolution'], :value => ticket.resolution) unless ticket.resolution.blank?
                     	i.id = ticket.id unless Issue.exists?(ticket.id)
                     	next unless i.save
                     	TICKET_MAP[ticket.id] = i.id
                     	migrated_tickets += 1
                     	# Owner
                         unless ticket.owner.blank?
                           i.assigned_to = find_or_create_user(ticket.owner, true)
                           i.save
                         end
                     	# Comments and status/resolution changes
                     	ticket.changes.group_by(&:time).each do |time, changeset|
                           status_change = changeset.select {|change| change.field == 'status'}.first
                           resolution_change = changeset.select {|change| change.field == 'resolution'}.first
                           comment_change = changeset.select {|change| change.field == 'comment'}.first
                           n = Journal.new :notes => (comment_change ? convert_wiki_text(encode(comment_change.newvalue)) : ''),
                                           :created_on => time
                           n.user = find_or_create_user(changeset.first.author)
                           n.journalized = i
                           if status_change &&
                                STATUS_MAPPING[status_change.oldvalue] &&
                                STATUS_MAPPING[status_change.newvalue] &&
                                (STATUS_MAPPING[status_change.oldvalue] != STATUS_MAPPING[status_change.newvalue])
                             n.details << JournalDetail.new(:property => 'attr',
                                                            :prop_key => 'status_id',
                                                            :old_value => STATUS_MAPPING[status_change.oldvalue].id,
                                                            :value => STATUS_MAPPING[status_change.newvalue].id)
                           end
                           if resolution_change
                             n.details << JournalDetail.new(:property => 'cf',
                                                            :prop_key => custom_field_map['resolution'].id,
                                                            :old_value => resolution_change.oldvalue,
                                                            :value => resolution_change.newvalue)
                           end
                           n.save unless n.details.empty? && n.notes.blank?
                     	end
                     	# Attachments
                     	ticket.attachments.each do |attachment|
                     	  next unless attachment.exist?
                           a = Attachment.new :created_on => attachment.time
                           a.file = attachment
                           a.author = find_or_create_user(attachment.author)
                           a.container = i
                           migrated_ticket_attachments += 1 if a.save
                     	end
                     	# Custom fields
                     	ticket.customs.each do |custom|
                     	  next if custom_field_map[custom.name].nil?
                           v = CustomValue.new :custom_field => custom_field_map[custom.name],
                                               :value => custom.value
                           v.customized = i
                           next unless v.save
                           migrated_custom_values += 1
                     	end
                     end
                     # update issue id sequence if needed (postgresql)
                     Issue.connection.reset_pk_sequence!(Issue.table_name) if Issue.connection.respond_to?('reset_pk_sequence!')
                     puts
                     # Wiki
                     print "Migrating wiki"
                     @target_project.wiki.destroy if @target_project.wiki
                     @target_project.reload
                     wiki = Wiki.new(:project => @target_project, :start_page => 'WikiStart')
                     wiki_edit_count = 0
                     if wiki.save
                       TracWikiPage.find(:all, :order => 'name, version').each do |page|
                         # Do not migrate Trac manual wiki pages
                         next if TRAC_WIKI_PAGES.include?(page.name)
                         wiki_edit_count += 1
                         print '.'
                         STDOUT.flush
                         p = wiki.find_or_new_page(page.name)
                         p.content = WikiContent.new(:page => p) if p.new_record?
                         p.content.text = page.text
                         p.content.author = find_or_create_user(page.author) unless page.author.blank? || page.author == 'trac'
                         p.content.comments = page.comment
                         p.new_record? ? p.save : p.content.save
                         next if p.content.new_record?
                         migrated_wiki_edits += 1
                         # Attachments
                         page.attachments.each do |attachment|
                           next unless attachment.exist?
                           next if p.attachments.find_by_filename(attachment.filename.gsub(/^.*(\\|\/)/, '').gsub(/[^\w\.\-]/,'_')) #add only once per page
                           a = Attachment.new :created_on => attachment.time
                           a.file = attachment
                           a.author = find_or_create_user(attachment.author)
                           a.container = p
                           migrated_wiki_attachments += 1 if a.save
                         end
                       end
                       wiki.reload
                       wiki.pages.each do |page|
                         page.content.text = convert_wiki_text(page.content.text)
                         page.content.save
                       end
                     end
                     puts
                     puts
                     puts "Components:      #{migrated_components}/#{TracComponent.count}"
                     puts "Milestones:      #{migrated_milestones}/#{TracMilestone.count}"
                     puts "Tickets:         #{migrated_tickets}/#{TracTicket.count}"
                     puts "Ticket files:    #{migrated_ticket_attachments}/" + TracAttachment.count(:conditions => {:type => 'ticket'}).to_s
                     puts "Custom values:   #{migrated_custom_values}/#{TracTicketCustom.count}"
                     puts "Wiki edits:      #{migrated_wiki_edits}/#{wiki_edit_count}"
                     puts "Wiki files:      #{migrated_wiki_attachments}/" + TracAttachment.count(:conditions => {:type => 'wiki'}).to_s
                   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_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 if adapter.blank?
                     raise "Unknown adapter: #{adapter}!" unless %w(sqlite sqlite3 mysql postgresql).include?(adapter)
                     # If adapter is sqlite or sqlite3, make sure that trac.db exists
                     raise "#{trac_db_path} doesn't exist!" if %w(sqlite sqlite3).include?(adapter) && !File.exist?(trac_db_path)
                     @@trac_adapter = adapter
                   rescue Exception => e
                     puts e
                     return false
                   end
                   def self.set_trac_db_host(host)
                     return nil if host.blank?
                     @@trac_db_host = host
                   end
                   def self.set_trac_db_port(port)
                     return nil if port.to_i == 0
                     @@trac_db_port = port.to_i
                   end
                   def self.set_trac_db_name(name)
                     return nil if name.blank?
                     @@trac_db_name = name
                   end
                   def self.set_trac_db_username(username)
                     @@trac_db_username = username
                   end
                   def self.set_trac_db_password(password)
                     @@trac_db_password = password
                   end
                   def self.set_trac_db_schema(schema)
                     @@trac_db_schema = schema
                   end
                   mattr_reader :trac_directory, :trac_adapter, :trac_db_host, :trac_db_port, :trac_db_name, :trac_db_schema, :trac_db_username, :trac_db_password
                   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 => ''
                       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']
                     end
                     project.trackers << TRACKER_BUG
                     project.trackers << TRACKER_FEATURE
                     @target_project = project.new_record? ? nil : project
                   end
                   def self.connection_params
                     if %w(sqlite sqlite3).include?(trac_adapter)
                       {:adapter => trac_adapter,
                        :database => trac_db_path}
                     else
                       {:adapter => trac_adapter,
                        :database => trac_db_name,
                        :host => trac_db_host,
                        :port => trac_db_port,
                        :username => trac_db_username,
                        :password => trac_db_password,
                        :schema_search_path => trac_db_schema
                       }
                     end
                   end
                   def self.establish_connection
                     constants.each do |const|
                       klass = const_get(const)
                       next unless klass.respond_to? 'establish_connection'
                       klass.establish_connection connection_params
                     end
                   end
                 private
                   def self.encode(text)
                     @ic.iconv text
                   rescue
                     text
                   end
                 end
                 puts
+                if Redmine::DefaultData::Loader.no_data?
+                  puts "Redmine configuration need to be loaded before importing data."
+                  puts "Please, run this first:"
+                  puts
+                  puts "  rake redmine:load_default_data RAILS_ENV=\"#{ENV['RAILS_ENV']}\""
+                  exit
+                end
                 puts "WARNING: a new project will be added to Redmine 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
                 DEFAULT_PORTS = {'mysql' => 3306, 'postgresql' => 5432}
                 prompt('Trac directory') {|directory| TracMigrate.set_trac_directory directory.strip}
                 prompt('Trac database adapter (sqlite, sqlite3, mysql, postgresql)', :default => 'sqlite') {|adapter| TracMigrate.set_trac_adapter adapter}
                 unless %w(sqlite sqlite3).include?(TracMigrate.trac_adapter)
                   prompt('Trac database host', :default => 'localhost') {|host| TracMigrate.set_trac_db_host host}
                   prompt('Trac database port', :default => DEFAULT_PORTS[TracMigrate.trac_adapter]) {|port| TracMigrate.set_trac_db_port port}
                   prompt('Trac database name') {|name| TracMigrate.set_trac_db_name name}
                   prompt('Trac database schema', :default => 'public') {|schema| TracMigrate.set_trac_db_schema schema}
                   prompt('Trac database username') {|username| TracMigrate.set_trac_db_username username}
                   prompt('Trac database password') {|password| TracMigrate.set_trac_db_password password}
                 end
                 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

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