Module: Controllers::DeviceDetection

Extended by:
ActiveSupport::Concern
Included in:
ApplicationController
Defined in:
app/concerns/controllers/device_detection.rb

Overview

Device detection utilities using the device_detector gem

Provides methods for detecting browser and device type from User-Agent.

Usage:
if is_ie?
render 'ie_warning'
end

device_detector.device_type # => 'desktop', 'mobile', etc.

See: https://github.com/podigee/device_detector

Instance Method Summary collapse

Instance Method Details

#device_detector ⇒ Object

Returns a DeviceDetector instance for the current request
Memoized to avoid repeated parsing



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# File 'app/concerns/controllers/device_detection.rb', line 26

def device_detector
  return @device_detector if defined?(@device_detector)

  # Ensure all header values are strings to prevent nil gsub errors
  headers_hash = request.headers.respond_to?(:to_h) ? request.headers.to_h : {}
  safe_headers = headers_hash.transform_values { |v| v.to_s }
  @device_detector = DeviceDetector.new(request.user_agent, safe_headers)
end

#is_ie? ⇒ Boolean

Check if the browser is Internet Explorer
Used for legacy browser warnings

Returns:

  • (Boolean) 


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# File 'app/concerns/controllers/device_detection.rb', line 37

def is_ie?
  device_detector.name == 'Internet Explorer'
end