Module: Dbviewer::ConnectionManagement

Extended by:
ActiveSupport::Concern
Included in:
DatabaseOperations
Defined in:
app/controllers/concerns/dbviewer/connection_management.rb

Instance Method Summary collapse

Instance Method Details

#available_connections ⇒ Object

Get list of available connections



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# File 'app/controllers/concerns/dbviewer/connection_management.rb', line 53

def available_connections
  connections = Dbviewer.configuration.database_connections.map do |key, config|
    # Try to determine the adapter name if it's not already stored
    adapter_name = nil
    if config[:adapter_name].present?
      adapter_name = config[:adapter_name]
    elsif config[:connection].present?
      begin
        adapter_name = config[:connection].connection.adapter_name
      rescue => e
        Rails.logger.error("Error getting adapter name: #{e.message}")
      end
    end

    {
      key: key,
      name: config[:name] || key.to_s.humanize,
      adapter_name: adapter_name,
      current: key.to_sym == current_connection_key.to_sym
    }
  end

  # Ensure at least one connection is marked as current
  unless connections.any? { |c| c[:current] }
    # If no connection is current, mark the first one as current
    if connections.any?
      connections.first[:current] = true
      # Also update the session
      session[:dbviewer_connection] = connections.first[:key]
    end
  end

  connections
end

#current_connection_key ⇒ Object

Get the current active connection key



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# File 'app/controllers/concerns/dbviewer/connection_management.rb', line 10

def current_connection_key
  key = session[:dbviewer_connection] || Dbviewer.configuration.current_connection
  return key.to_sym if key && Dbviewer.configuration.database_connections.key?(key.to_sym)

  first_key = Dbviewer.configuration.database_connections.keys.first
  if first_key
    session[:dbviewer_connection] = first_key
    return first_key
  end

  :default
end

#switch_connection(connection_key) ⇒ Object

Set the current connection to use



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# File 'app/controllers/concerns/dbviewer/connection_management.rb', line 24

def switch_connection(connection_key)
  connection_key = connection_key.to_sym if connection_key.respond_to?(:to_sym)

  if connection_key && Dbviewer.configuration.database_connections.key?(connection_key)
    session[:dbviewer_connection] = connection_key
    # Clear the database manager to force it to be recreated with the new connection
    @database_manager = nil
    return true
  else
    # If the connection key doesn't exist, reset to default connection
    if Dbviewer.configuration.database_connections.key?(Dbviewer.configuration.current_connection)
      session[:dbviewer_connection] = Dbviewer.configuration.current_connection
      @database_manager = nil
      return true
    else
      # If even the default connection isn't valid, try the first available connection
      first_key = Dbviewer.configuration.database_connections.keys.first
      if first_key
        session[:dbviewer_connection] = first_key
        @database_manager = nil
        return true
      end
    end
  end

  false # Return false if we couldn't set a valid connection
end