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class MigrateProjectFeatures < ActiveRecord::Migration
include Gitlab::Database::MigrationHelpers
DOWNTIME = true
DOWNTIME_REASON =
<<-EOT
Migrating issues_enabled, merge_requests_enabled, wiki_enabled, builds_enabled, snippets_enabled fields from projects to
a new table called project_features.
EOT
def up
sql =
%Q{
INSERT INTO project_features(project_id, issues_access_level, merge_requests_access_level, wiki_access_level,
builds_access_level, snippets_access_level, created_at, updated_at)
SELECT
id AS project_id,
CASE WHEN issues_enabled IS true THEN 20 ELSE 0 END AS issues_access_level,
CASE WHEN merge_requests_enabled IS true THEN 20 ELSE 0 END AS merge_requests_access_level,
CASE WHEN wiki_enabled IS true THEN 20 ELSE 0 END AS wiki_access_level,
CASE WHEN builds_enabled IS true THEN 20 ELSE 0 END AS builds_access_level,
CASE WHEN snippets_enabled IS true THEN 20 ELSE 0 END AS snippets_access_level,
created_at,
updated_at
FROM projects
}
execute(sql)
end
def down
sql = %Q{
UPDATE projects
SET
issues_enabled = COALESCE((SELECT CASE WHEN issues_access_level = 20 THEN true ELSE false END AS issues_enabled FROM project_features WHERE project_features.project_id = projects.id), true),
merge_requests_enabled = COALESCE((SELECT CASE WHEN merge_requests_access_level = 20 THEN true ELSE false END AS merge_requests_enabled FROM project_features WHERE project_features.project_id = projects.id),true),
wiki_enabled = COALESCE((SELECT CASE WHEN wiki_access_level = 20 THEN true ELSE false END AS wiki_enabled FROM project_features WHERE project_features.project_id = projects.id), true),
builds_enabled = COALESCE((SELECT CASE WHEN builds_access_level = 20 THEN true ELSE false END AS builds_enabled FROM project_features WHERE project_features.project_id = projects.id), true),
snippets_enabled = COALESCE((SELECT CASE WHEN snippets_access_level = 20 THEN true ELSE false END AS snippets_enabled FROM project_features WHERE project_features.project_id = projects.id),true)
}
execute(sql)
end
end
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