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metadata_adapter.rb
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metadata_adapter.rb
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# frozen_string_literal: true
module Valkyrie::Sequel
require 'valkyrie/sequel/resource_factory'
require 'valkyrie/sequel/query_service'
require 'valkyrie/sequel/persister'
class MetadataAdapter
attr_reader :connection
def initialize(connection:)
@connection = connection.tap do |conn|
conn.extension(:pg_json)
conn.extension(:pg_streaming)
end
end
def persister
@persister ||= Persister.new(adapter: self)
end
def query_service
@query_service ||= QueryService.new(adapter: self)
end
def resource_factory
@resource_factory ||= ResourceFactory.new(adapter: self)
end
def id
@id ||= begin
to_hash = "sequel://#{host}:#{port}:#{database}"
Valkyrie::ID.new(Digest::MD5.hexdigest(to_hash))
end
end
def perform_migrations!
Sequel.extension :migration
Sequel::Migrator.run(connection, "#{__dir__}/../../../db/migrations")
end
def reset_database!
Sequel.extension :migration
Sequel::Migrator.run(connection, "#{__dir__}/../../../db/migrations", target: 0)
perform_migrations!
end
def resources
connection.from(:orm_resources)
end
private
def host
connection.opts[:host]
end
def port
connection.opts[:port]
end
def database
connection.opts[:database]
end
end
end