Class: Razsell::Query

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

Overview

Allows you to specify the result set you would like returned

=== Attributes that you can specify
* keywords
* product_line
* product_type  (see Razsell::ProductTypes)
* sort_type  (see Razsell::SortMethods)
* sort_period  (see Razsell::SortPeriods)
* image_size  (see Razsell::ImageSizes)
* image_background_color

Additionally you can use

query = Razsell::Query.new.for_artist('some_zazzle_artist')

to specify the artist. Or if you have a link to a zazzle item you can get the details with:

query = Razsell::Query.new.for_item_url('http://www.zazzle.com/some-item-354678976578865')

Once you have built your query, use Razsell#request(query) to get the results.

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 



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# File 'lib/razsell/query.rb', line 34

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/razsell/query.rb', line 32

def artist
  @artist
end

#page_limit ⇒ Object

Returns the value of attribute page_limit.



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# File 'lib/razsell/query.rb', line 31

def page_limit
  @page_limit
end

Instance Method Details

#advance_page ⇒ Object 



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# File 'lib/razsell/query.rb', line 73

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

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

#base_url ⇒ Object 



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# File 'lib/razsell/query.rb', line 60

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/razsell/query.rb', line 45

def for_artist artist
  @artist = artist
  self
end

#for_item_url(url) ⇒ Object 



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# File 'lib/razsell/query.rb', line 50

def for_item_url url
  @item_url = url
  self.keywords = strip_item_number_from url
  self
end

#strip_item_number_from(url) ⇒ Object 



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# File 'lib/razsell/query.rb', line 56

def strip_item_number_from url
  url.scan(/\d*$/)[0]
end

#to_querystring ⇒ Object 



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# File 'lib/razsell/query.rb', line 65

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

#to_url ⇒ Object 



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# File 'lib/razsell/query.rb', line 69

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