Class: Razsell::Query

Inherits:
Object
  • Object
show all
Includes:
ImageSizes, SortMethods
Defined in:
lib/query.rb

Constant Summary

Constants included from ImageSizes

ImageSizes::HUGE, ImageSizes::LARGE, ImageSizes::MEDIUM, ImageSizes::SMALL, ImageSizes::TINY

Constants included from SortMethods

SortMethods::DATE_CREATED, SortMethods::POPULARITY

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ Query

Returns a new instance of Query.



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# File 'lib/query.rb', line 12

def initialize *args
  set_default_page_limit
\
  default_criteria

  @keys = { :keywords => 'qs', :product_line => 'cg', :product_type => 'pt',
    :sort_type => 'st', :sort_period => 'sp', :page => 'pg', :items_per_page => 'ps',
    :feed_type => 'ft', :image_size => 'isz', :image_background_color => 'bg',
    :opensearch => 'opensearch', :source => 'src'}
end

Instance Attribute Details

#artist ⇒ Object (readonly)

Returns the value of attribute artist.



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# File 'lib/query.rb', line 10

def artist
  @artist
end

#page_limit ⇒ Object

Returns the value of attribute page_limit.



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# File 'lib/query.rb', line 9

def page_limit
  @page_limit
end

Instance Method Details

#advance_page ⇒ Object 



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# File 'lib/query.rb', line 45

def advance_page
  return false if @querystring[:page] >= page_limit

  @querystring[:page] =  @querystring[:page] + 1
  true
end

#base_url ⇒ Object

def add_criteria name, value

this.send name, value

end



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# File 'lib/query.rb', line 32

def base_url
  return "http://feed.zazzle.com/#{@artist}/rss" if @artist
  "http://feed.zazzle.com/rss"
end

#for_artist(artist) ⇒ Object 



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# File 'lib/query.rb', line 23

def for_artist artist
  @artist = artist
  self
end

#to_querystring ⇒ Object 



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# File 'lib/query.rb', line 37

def to_querystring
  @querystring.to_a.map { |a| build_pair(a) }.sort {|x,y| x <=> y }.delete_if { |pair| pair == "" }.join("&")
end

#to_url ⇒ Object 



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# File 'lib/query.rb', line 41

def to_url
  "#{base_url}?#{to_querystring}"
end