Class: TrailGuide::Unity

Inherits:
Object
  • Object
show all
Defined in:
lib/trail_guide/unity.rb

Constant Summary collapse

NAMESPACE = 
:unity

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(user_id: nil, visitor_id: nil) ⇒ Unity

Returns a new instance of Unity.



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# File 'lib/trail_guide/unity.rb', line 12

def initialize(user_id: nil, visitor_id: nil)
  @user_id = user_id.to_s if user_id.present?
  @visitor_id = visitor_id.to_s if visitor_id.present?
end

Instance Attribute Details

#user_id ⇒ Object

Returns the value of attribute user_id.



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# File 'lib/trail_guide/unity.rb', line 10

def user_id
  @user_id
end

#visitor_id ⇒ Object

Returns the value of attribute visitor_id.



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# File 'lib/trail_guide/unity.rb', line 10

def visitor_id
  @visitor_id
end

Class Method Details

.clear! ⇒ Object 



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# File 'lib/trail_guide/unity.rb', line 5

def self.clear!
  keys = TrailGuide.redis.keys("#{NAMESPACE}:*")
  TrailGuide.redis.del *keys unless keys.empty?
end

Instance Method Details

#delete! ⇒ Object 



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# File 'lib/trail_guide/unity.rb', line 65

def delete!
  keys = []
  keys << stored_user_key if stored_user_id.present?
  keys << stored_visitor_key if stored_visitor_id.present?
  keys << user_key if user_id.present?
  keys << visitor_key if visitor_id.present?
  TrailGuide.redis.del(*keys) unless keys.empty?
end

#save! ⇒ Object 



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# File 'lib/trail_guide/unity.rb', line 54

def save!
  return false unless valid?
  TrailGuide.redis.set(user_key, visitor_id)
  TrailGuide.redis.set(visitor_key, user_id)
  if TrailGuide.configuration.unity_ttl
    TrailGuide.redis.expire(user_key, TrailGuide.configuration.unity_ttl)
    TrailGuide.redis.expire(visitor_key, TrailGuide.configuration.unity_ttl)
  end
  true
end

#stored? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/trail_guide/unity.rb', line 37

def stored?
  stored_visitor_id.present? && stored_user_id.present?
end

#stored_user_id ⇒ Object 



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# File 'lib/trail_guide/unity.rb', line 25

def stored_user_id
  TrailGuide.redis.get(visitor_key) if visitor_id.present?
end

#stored_visitor_id ⇒ Object 



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# File 'lib/trail_guide/unity.rb', line 29

def stored_visitor_id
  TrailGuide.redis.get(user_key) if user_id.present?
end

#sync! ⇒ Object 



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# File 'lib/trail_guide/unity.rb', line 47

def sync!
  @user_id ||= stored_user_id
  @visitor_id ||= stored_visitor_id
  delete!
  save!
end

#synced? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/trail_guide/unity.rb', line 41

def synced?
  valid? && stored? && 
    stored_visitor_id == visitor_id &&
    stored_user_id == user_id
end

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/trail_guide/unity.rb', line 33

def valid?
  visitor_id.present? && user_id.present?
end