Class: SnapdealApi

Inherits:
Object
  • Object
show all
Defined in:
lib/snapdeal_api.rb,
lib/snapdeal_api/version.rb

Constant Summary collapse

VERSION = 
"0.0.1"

Instance Method Summary collapse

Constructor Details

#initialize(sd_affiliate_id, sd_affiliate_token, format = "json") ⇒ SnapdealApi

Initialise object with affiliate id, token and format to send api calls



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

def initialize(sd_affiliate_id, sd_affiliate_token, format="json")
    @api = "http://affiliate-feeds.snapdeal.com/feed/#{sd_affiliate_id}"
    @header = {"Snapdeal-Affiliate-Id" => sd_affiliate_id, "Snapdeal-Token-Id" => sd_affiliate_token}
    @format = format
    @categories = {} #cache: avoid subsequent requests
    @parsed_categories = {}
    @version = "v1"
end

Instance Method Details

#get_all_products(rest_url) ⇒ Object

Get all the products from given rest url returns an array of products



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# File 'lib/snapdeal_api.rb', line 94

def get_all_products(rest_url)
      json_arr = []
      json_data = JSON.parse(get_products(rest_url, "json"))
      json_arr << [json_data]
      while json_data["nextUrl"]
          json_data = JSON.parse(get_products(json_data["nextUrl"], "json"))
          json_arr << [json_data]
          break
      end
      jsonout = json_arr
end

#get_categories(format = nil) ⇒ Object

Get all the categories list, in xml/json format



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# File 'lib/snapdeal_api.rb', line 20

def get_categories(format = nil)
    ext = format.nil? ? @format : format
    rest_url="#{@api}.#{ext}"
    @categories = RestClient.get rest_url
end

#get_parsed_categories ⇒ Object

Get all the categories list, as key=>value pair



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# File 'lib/snapdeal_api.rb', line 27

def get_parsed_categories
    if @categories.empty?
        get_categories
    end
    set_parsed_categories(@categories)
    return @parsed_categories
end

#get_products(rest_url, format = nil) ⇒ Object

Get the products from given rest url



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# File 'lib/snapdeal_api.rb', line 80

def get_products(rest_url, format = nil)
    format = format.nil? ? @format : format
    header = @header
    if format == "json" || format == "xml"
        header['Accept'] = "application/#{format}"
    else
        raise "Wrong format: #{format} provided"
    end

    rest_output = RestClient.get rest_url, header
end

#get_products_api(category) ⇒ Object

Get the rest api url for the given category name



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# File 'lib/snapdeal_api.rb', line 66

def get_products_api(category)
    if @parsed_categories.empty?
        get_parsed_categories
    end
    @parsed_categories[category]
end

#get_products_by_category(category) ⇒ Object

Get the first 500 products from the category name Output will also contain “nextUrl” which inturn returns next 500 products.



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# File 'lib/snapdeal_api.rb', line 75

def get_products_by_category(category)
    get_products(get_products_api(category))
end

#parse_json(categories) ⇒ Object 



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

def parse_json(categories)
    cats = JSON.parse(categories)
    categories_hash = {}
    cats['apiGroups']['Affiliate']['listingsAvailable'].each do |k,v|
        categories_hash[k] = v['listingVersions'][@version]['get']
    end
    return categories_hash
end

#parse_xml(categories) ⇒ Object 



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# File 'lib/snapdeal_api.rb', line 54

def parse_xml(categories)
    categories_hash = {}
    @doc = Nokogiri::XML(categories)
    @doc.xpath("//groupListings/apiGroups/entry/value/listingsAvailable/entry").each do |list|
        if list.xpath("value/listingVersions/entry/key").text == @version
            categories_hash[list.xpath("key").text] = list.xpath("value/listingVersions/entry/value/get").text
        end
    end
    return categories_hash
end

#set_parsed_categories(categories) ⇒ Object 



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# File 'lib/snapdeal_api.rb', line 35

def set_parsed_categories(categories)
    if categories.start_with? "{"
        @parsed_categories = parse_json categories
    elsif categories.start_with? "<?xml"
        @parsed_categories = parse_xml categories
    else
        raise "Wrong categories format, can't parse"
    end
end