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109 lines
3.9 KiB
109 lines
3.9 KiB
class GeneralizeJournals < ActiveRecord::Migration
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def self.up
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# This is provided here for migrating up after the JournalDetails has been removed
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unless Object.const_defined?("JournalDetails")
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Object.const_set("JournalDetails", Class.new(ActiveRecord::Base))
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end
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change_table :journals do |t|
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t.rename :journalized_id, :journaled_id
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t.rename :created_on, :created_at
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t.integer :version, :default => 0, :null => false
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t.string :activity_type
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t.text :changes
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t.string :type
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t.index :journaled_id
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t.index :activity_type
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t.index :created_at
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t.index :type
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end
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Journal.all.group_by(&:journaled_id).each_pair do |id, journals|
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journals.sort_by(&:created_at).each_with_index do |j, idx|
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j.update_attribute(:type, "#{j.journalized_type}Journal")
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j.update_attribute(:version, idx + 1)
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# FIXME: Find some way to choose the right activity here
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j.update_attribute(:activity_type, j.journalized_type.constantize.activity_provider_options.keys.first)
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end
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end
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change_table :journals do |t|
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t.remove :journalized_type
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end
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JournalDetails.all.each do |detail|
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journal = Journal.find(detail.journal_id)
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changes = journal.changes || {}
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if detail.property == 'attr' # Standard attributes
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changes[detail.prop_key.to_s] = [detail.old_value, detail.value]
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elsif detail.property == 'cf' # Custom fields
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changes["custom_values_" + detail.prop_key.to_s] = [detail.old_value, detail.value]
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elsif detail.property == 'attachment' # Attachment
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changes["attachments_" + detail.prop_key.to_s] = [detail.old_value, detail.value]
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end
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journal.update_attribute(:changes, changes.to_yaml)
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end
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# Create creation journals for all activity providers
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providers = Redmine::Activity.providers.collect {|k, v| v.collect(&:constantize) }.flatten.compact.uniq
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providers.each do |p|
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next unless p.table_exists? # Objects not in the DB yet need creation journal entries
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p.find(:all).each do |o|
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unless o.last_journal
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o.send(:update_journal)
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created_at = nil
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[:created_at, :created_on, :updated_at, :updated_on].each do |m|
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if o.respond_to? m
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created_at = o.send(m)
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break
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end
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end
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p "Updating #{o}"
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o.last_journal.update_attribute(:created_at, created_at) if created_at and o.last_journal
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end
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end
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end
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# drop_table :journal_details
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end
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def self.down
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# create_table "journal_details", :force => true do |t|
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# t.integer "journal_id", :default => 0, :null => false
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# t.string "property", :limit => 30, :default => "", :null => false
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# t.string "prop_key", :limit => 30, :default => "", :null => false
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# t.string "old_value"
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# t.string "value"
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# end
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change_table "journals" do |t|
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t.rename :journaled_id, :journalized_id
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t.rename :created_at, :created_on
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t.string :journalized_type, :limit => 30, :default => "", :null => false
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end
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custom_field_names = CustomField.all.group_by(&:type)[IssueCustomField].collect(&:name)
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Journal.all.each do |j|
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# Can't used j.journalized.class.name because the model changes make it nil
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j.update_attribute(:journalized_type, j.type.to_s.sub("Journal","")) if j.type.present?
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end
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change_table "journals" do |t|
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t.remove_index :journaled_id
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t.remove_index :activity_type
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t.remove_index :created_at
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t.remove_index :type
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t.remove :type
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t.remove :version
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t.remove :activity_type
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t.remove :changes
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end
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# add_index "journal_details", ["journal_id"], :name => "journal_details_journal_id"
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# add_index "journals", ["journalized_id", "journalized_type"], :name => "journals_journalized_id"
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end
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end
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