Class: SearchYJ::PageSizeAdjuster

Inherits:
Object
  • Object
show all
Defined in:
lib/searchyj/page_size_adjuster.rb

Overview

Manage cookie for page

Constant Summary collapse

SIZE_PATTERN = 
[10, 15, 20, 30, 40, 100]
SIZE_DEFAULT = 

      
        
        
'sB="n=<<n>>&nw=-1&fp_ipod=0&fp_pl=0"; ' \
'path=/; ' \
'expire=<<expire>>'

      
        
EXPIRE_DELAY =
          
        

        
60 * 60 * 24

      
    

  




  
Instance Attribute Summary collapse

  




  
    

      Instance Method Summary
      collapse
    


    
  



  
Constructor Details

  
    

  

  
    #initialize  ⇒ PageSizeAdjuster 
  

  

  




  

    

Initialize myself.



  





  



  

    
      


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# File 'lib/searchyj/page_size_adjuster.rb', line 20

def initialize
  @size   = SIZE_DEFAULT
  @expire = Time.now.to_i + EXPIRE_DELAY
end

    		
  





  



  

    
Instance Attribute Details

    
      
      
      

  

  
    #size  ⇒ Object 
  

  

  




  

    

Returns the value of attribute size.



  





  



  

    
      


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# File 'lib/searchyj/page_size_adjuster.rb', line 9

def size
  @size
end

    		
  





    
  



  

    
Instance Method Details


    
      

  


  

    

Attach the cookie string to the argument if @size has differed from the default value.



  





  
Parameters:


    
  
    
  • 
      
        hash
      
      
        (Hash)
      
      
      
    
    • 
  




Returns:


    
  
    
  • 
      
      
        (Hash)
      
      
      
    
    • 
  





  

    
      


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# File 'lib/searchyj/page_size_adjuster.rb', line 46

def attach_cookie(hash)
  if @size > SIZE_DEFAULT
    hash['Cookie'] = create_cookie
  end

  hash
end

    		
  





    
      

  

  
    #optimize_page_size(size)  ⇒ Number 
  

  

  




  

    

Optimize the number of the page size for searching.



  





  
Parameters:


    
  
    
  • 
      
        size
      
      
        (Number)
      
      
      
        —
        
    

    The number of the page size
    

    
      
    
    • 
  




Returns:


    
  
    
  • 
      
      
        (Number)
      
      
      
        —
        
    

    The optimized number
    

    
      
    
    • 
  





  

    
      


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# File 'lib/searchyj/page_size_adjuster.rb', line 33

def optimize_page_size(size)
  SIZE_PATTERN.reverse_each do |n|
    return n if size >= n
  end

  SIZE_DEFAULT
end