Class: DBSupplier::Migrator

Inherits:
Object
  • Object
show all
Defined in:
lib/db_supplier/migrator.rb

Class Method Summary collapse

Class Method Details

.client ⇒ Object 



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# File 'lib/db_supplier/migrator.rb', line 86

def client
  ac = @access_token || ENV['GITHUB_ACCESS_TOKEN'] || (raise RuntimeError, 'undefined access_token')

  @client ||= begin
                Octokit.api_endpoint = @github_api_endpoint if @github_api_endpoint
                Octokit::Client.new(access_token: ac)
              end
end

.configurations ⇒ Object 



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# File 'lib/db_supplier/migrator.rb', line 9

def configurations
  @configurations
end

.configurations=(config = {}) ⇒ Object 



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# File 'lib/db_supplier/migrator.rb', line 13

def configurations=(config={})
  @configurations = config

  @schema_repository = config[:schema_repository]
  @schema_ref        = config[:schema_ref] || 'master'
  @schema_files      = config[:schema_files].symbolize_keys
  @access_token      = config[:access_token]

  @github_api_endpoint = config[:github_api_endpoint]

  @logger = config[:logger] || Logger.new(STDOUT)
end

.databases ⇒ Object 



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# File 'lib/db_supplier/migrator.rb', line 95

def databases
  @schema_files.try(:keys) || []
end

.fetch_sql(db_name) ⇒ Object 



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# File 'lib/db_supplier/migrator.rb', line 60

def fetch_sql(db_name)
  migration_file_paths = @schema_files.try(:fetch, db_name.to_sym) || (raise RuntimeError, "undefined #{db_name} schemat")
  repository = @schema_repository || (raise RuntimeError, 'undefined schema repository')

  Array(migration_file_paths).map do |path|
    client.contents(
      repository,
      ref: @schema_ref,
      path: path,
      headers: {
        accept: 'application/vnd.github.VERSION.raw'
      }
    )
  end
end

.migrate ⇒ Object 



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# File 'lib/db_supplier/migrator.rb', line 26

def migrate
  @logger.info "----- migrate start -----"

  databases.each do |database|
    @logger.info "----- #{database} migrate start -----"

    if (ActiveRecord.const_defined?(:Import))
      connection = ActiveRecord::Base.establish_connection_without_activerecord_import(database).connection
    else
      connection = ActiveRecord::Base.establish_connection(database).connection
    end

    @logger.debug "----- connected -----"

    sqls = fetch_sql(database)
    sqls.each do |sql|
      statements = sql.split(/;/)

      statements.each do |query|
        next if query == "\n\n"

        @logger.debug "----- query execute -----"
        connection.execute(query)
        @logger.debug query
        @logger.debug "----- query success -----"
      end
    end

    @logger.info "----- #{database} migrate finished -----"
  end

  @logger.info "----- migrate finished -----"
end

.show_sqls(db_name = nil) ⇒ Object 



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# File 'lib/db_supplier/migrator.rb', line 76

def show_sqls(db_name=nil)
  return fetch_sql(db_name) if db_name

  sqls = databases.map do |db_name|
    fetch_sql(db_name)
  end

  return sqls.join("\n")
end