#-- copyright
# OpenProject Costs Plugin
#
# Copyright (C) 2009 - 2014 the OpenProject Foundation (OPF)
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# version 3.
#
# 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 Rails.root.join("db","migrate","migration_utils","migration_squasher").to_s
require Rails.root.join("db","migrate","migration_utils","setting_renamer").to_s
require 'open_project/plugins/migration_mapping'
# This migration aggregates the migrations detailed in MIGRATION_FILES
class AggregatedCostsMigrations < ActiveRecord::Migration

  def initialize
    super
    @issues_table_exists = ActiveRecord::Base.connection.tables.include? 'issues'
  end

  MIGRATION_FILES = <<-MIGRATIONS
    001_create_deliverables.rb
    002_add_cost_types_default.rb
    003_add_deliverable_to_issues.rb
    004_add_rate.rb
    005_add_deliverables_date_fields.rb
    006_delete_cost_from_cost_entries.rb
    007_refactor_deliverable_intermediates.rb
    008_remove_budget_from_deliverable.rb
    009_add_comment_field_to_budget.rb
    010_add_free_text_to_budget_and_entries.rb
    011_add_deleted_at_to_cost_types.rb
    012_refactor_terms.rb
    013_create_cost_queries.rb
    014_add_denormalized_costs_fields.rb
    015_add_cost_query_variables.rb
    016_denormalize_spent_on_of_cost_entries.rb
    017_rename_permissions.rb
    018_higher_precision_for_currency.rb
    20091123144305_add_permission_inheritance.rb
    20091130214149_primary_key_for_groups_users.rb
    20091204172554_remove_costs_from_issues.rb
    20120313152442_create_initial_variable_cost_object_journals.rb
    20121022124253_remove_group_user_enhancements.rb
  MIGRATIONS

  OLD_PLUGIN_NAME = "redmine_costs"

  def up
    migration_names = OpenProject::Plugins::MigrationMapping.migration_files_to_migration_names(MIGRATION_FILES, OLD_PLUGIN_NAME)
    Migration::MigrationSquasher.squash(migration_names) do
      create_table "cost_entries" do |t|
        t.integer  "user_id",                                                            :null => false
        t.integer  "project_id",                                                         :null => false
        t.integer  "issue_id",                                                           :null => false
        t.integer  "cost_type_id",                                                       :null => false
        t.float    "units",                                                              :null => false
        t.date     "spent_on",                                                           :null => false
        t.datetime "created_on",                                                         :null => false
        t.datetime "updated_on",                                                         :null => false
        t.string   "comments",                                                           :null => false
        t.boolean  "blocked",                                         :default => false, :null => false
        t.decimal  "overridden_costs", :precision => 15, :scale => 4
        t.decimal  "costs",            :precision => 15, :scale => 4
        t.integer  "rate_id"
        t.integer  "tyear",                                                              :null => false
        t.integer  "tmonth",                                                             :null => false
        t.integer  "tweek",                                                              :null => false
      end

      create_table "cost_objects" do |t|
        t.integer  "project_id",                                 :null => false
        t.integer  "author_id",                                  :null => false
        t.string   "subject",                                    :null => false
        t.text     "description",                                :null => false
        t.string   "type",                                       :null => false
        t.boolean  "project_manager_signoff", :default => false, :null => false
        t.boolean  "client_signoff",          :default => false, :null => false
        t.date     "fixed_date",                                 :null => false
        t.datetime "created_on"
        t.datetime "updated_on"
      end

      create_table "cost_types" do |t|
        t.string   "name",                           :null => false
        t.string   "unit",                           :null => false
        t.string   "unit_plural",                    :null => false
        t.boolean  "default",     :default => false, :null => false
        t.datetime "deleted_at"
      end

      create_table "labor_budget_items" do |t|
        t.integer "cost_object_id",                                                :null => false
        t.float   "hours",                                                         :null => false
        t.integer "user_id"
        t.string  "comments",                                      :default => "", :null => false
        t.decimal "budget",         :precision => 15, :scale => 4
      end

      create_table "material_budget_items" do |t|
        t.integer "cost_object_id",                                                :null => false
        t.float   "units",                                                         :null => false
        t.integer "cost_type_id"
        t.string  "comments",                                      :default => "", :null => false
        t.decimal "budget",         :precision => 15, :scale => 4
      end

      create_table "rates" do |t|
        t.date    "valid_from",                                  :null => false
        t.decimal "rate",         :precision => 15, :scale => 4, :null => false
        t.string  "type",                                        :null => false
        t.integer "project_id"
        t.integer "user_id"
        t.integer "cost_type_id"
      end

      if @issues_table_exists
        change_table "issues" do |t|
          t.column  :cost_object_id, :integer, :null => true
        end
      end

      change_table "time_entries" do |t|
        t.decimal  "overridden_costs", :precision => 15, :scale => 4
        t.decimal  "costs",            :precision => 15, :scale => 4
        t.integer  "rate_id"
      end
      TimeEntry.reset_column_information
      Migration::SettingRenamer.rename("plugin_redmine_costs","plugin_openproject_costs")
    end
  end

  def down
    drop_table "cost_entries"
    drop_table "cost_objects"
    drop_table "cost_queries"
    drop_table "cost_types"
    drop_table "labor_budget_items"
    drop_table "material_budget_items"
    drop_table "rates"
    if @issues_table_exists
      remove_column :issues, :cost_object_id
    end

    change_table "time_entries" do |t|
      t.remove_column  "overridden_costs"
      t.remove_column  "costs"
      t.remove_column  "rate_id"
    end
    TimeEntry.reset_column_information
  end
end