From b87a9324823f36defd9bfa1b6ba9d56c206ca457 Mon Sep 17 00:00:00 2001
From: Jens Ulferts <j.ulferts@finn.de>
Date: Mon, 16 Sep 2013 14:09:53 +0200
Subject: [PATCH 1/2] adds data migration from legacy_issues to work_packages

---
 ...16094339_legacy_issues_to_work_packages.rb | 181 ++++++++++++++++++
 1 file changed, 181 insertions(+)
 create mode 100644 db/migrate/20130916094339_legacy_issues_to_work_packages.rb

diff --git a/db/migrate/20130916094339_legacy_issues_to_work_packages.rb b/db/migrate/20130916094339_legacy_issues_to_work_packages.rb
new file mode 100644
index 0000000000..336cd8f5a5
--- /dev/null
+++ b/db/migrate/20130916094339_legacy_issues_to_work_packages.rb
@@ -0,0 +1,181 @@
+#-- copyright
+# OpenProject is a project management system.
+#
+# Copyright (C) 2012-2013 the OpenProject Team
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License version 3.
+#
+# See doc/COPYRIGHT.rdoc for more details.
+#++
+
+class LegacyIssuesToWorkPackages < ActiveRecord::Migration
+
+  class ExistingWorkPackagesError < ::StandardError
+  end
+
+  class ExistingLegacyIssuesError < ::StandardError
+  end
+
+  def up
+    raise_on_existing_work_package_entries
+
+    copy_legacy_issues_to_work_packages
+  end
+
+  def down
+    raise_on_existing_legacy_issue_entries
+
+    copy_work_packages_to_legacy_issues
+  end
+
+  private
+
+  def raise_on_existing_work_package_entries
+    existing_work_packages = select_all <<-SQL
+      SELECT *
+      FROM work_packages
+    SQL
+
+    if existing_work_packages.size > 0
+      raise ExistingWorkPackagesError, <<-MESSAGE.split("\n").map(&:strip!).join(" ") + "\n"
+        There are already entries in the work_packages table.
+        This migration assumes that there are none.
+      MESSAGE
+    end
+  end
+
+  def copy_legacy_issues_to_work_packages
+    execute <<-SQL
+      INSERT INTO work_packages
+        (
+          id,
+          type_id,
+          project_id,
+          subject,
+          description,
+          due_date,
+          category_id,
+          status_id,
+          assigned_to_id,
+          priority_id,
+          fixed_version_id,
+          author_id,
+          lock_version,
+          done_ratio,
+          estimated_hours,
+          created_at,
+          updated_at,
+          start_date,
+          planning_element_status_comment,
+          deleted_at,
+          parent_id,
+          responsible_id,
+          planning_element_status_id,
+          sti_type,
+          root_id,
+          lft,
+          rgt
+        )
+      SELECT
+        id,
+        tracker_id,
+        project_id,
+        subject,
+        description,
+        due_date,
+        category_id,
+        status_id,
+        assigned_to_id,
+        priority_id,
+        fixed_version_id,
+        author_id,
+        lock_version,
+        done_ratio,
+        estimated_hours,
+        created_on,
+        updated_on,
+        start_date,
+        '',
+        NULL,
+        parent_id,
+        NULL,
+        NULL,
+        NULL,
+        root_id,
+        lft,
+        rgt
+      FROM legacy_issues
+    SQL
+
+  end
+
+  def raise_on_existing_legacy_issue_entries
+    existing_legacy_issues = select_all <<-SQL
+      SELECT *
+      FROM legacy_issues
+    SQL
+
+    if existing_legacy_issues.size > 0
+      raise ExistingLegacyIssuesError, <<-MESSAGE.split("\n").map(&:strip!).join(" ") + "\n"
+        There are already entries in the legacy_issues table.
+        This migration assumes that there are none.
+      MESSAGE
+    end
+  end
+
+  def copy_work_packages_to_legacy_issues
+    execute <<-SQL
+      INSERT INTO legacy_issues
+        (
+          id,
+          tracker_id,
+          project_id,
+          subject,
+          description,
+          due_date,
+          category_id,
+          status_id,
+          assigned_to_id,
+          priority_id,
+          fixed_version_id,
+          author_id,
+          lock_version,
+          done_ratio,
+          estimated_hours,
+          created_on,
+          updated_on,
+          start_date,
+          parent_id,
+          root_id,
+          lft,
+          rgt
+        )
+      SELECT
+        id,
+        type_id,
+        project_id,
+        subject,
+        description,
+        due_date,
+        category_id,
+        status_id,
+        assigned_to_id,
+        priority_id,
+        fixed_version_id,
+        author_id,
+        lock_version,
+        done_ratio,
+        estimated_hours,
+        created_at,
+        updated_at,
+        start_date,
+        parent_id,
+        root_id,
+        lft,
+        rgt
+      FROM work_packages
+    SQL
+
+  end
+end

From 36237293c088eca3fe3f3fb95cfd1c60f9804413 Mon Sep 17 00:00:00 2001
From: Jens Ulferts <j.ulferts@finn.de>
Date: Mon, 16 Sep 2013 14:11:02 +0200
Subject: [PATCH 2/2] adds changelog

---
 doc/CHANGELOG.md | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/doc/CHANGELOG.md b/doc/CHANGELOG.md
index 6ffa70e3d4..efe9eb9998 100644
--- a/doc/CHANGELOG.md
+++ b/doc/CHANGELOG.md
@@ -12,7 +12,8 @@ See doc/COPYRIGHT.rdoc for more details.
 
 # Changelog
 
-* `#1913` [Timelines] Enable drag&drop for select2 items in order to rearrange the order of the columns 
+* `#1913` [Timelines] Enable drag&drop for select2 items in order to rearrange the order of the columns
+* `#1978` Migrate legacy issues
 * `#2019` Migrate auto completes controller tests
 
 ## 3.0.0pre16