Class: Serel::Request

Inherits:
Object
  • Object
show all
Defined in:
lib/serel/request.rb

Instance Method Summary collapse

Constructor Details

#initialize(type, scoping, qty) ⇒ Request

Returns a new instance of Request.

Raises:



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# File 'lib/serel/request.rb', line 3

def initialize(type, scoping, qty)
  @type = type
  @scope = scoping.dup
  @site = @scope.delete :site
  @api_key = @scope.delete :api_key
  raise Serel::NoAPIKeyError, 'You must configure Serel with an API key before you can make requests' if @api_key == nil
  @method = @scope.delete :url
  @network = @scope.delete :network
  @qty = qty
end

Instance Method Details

#build_query_string ⇒ Object 



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# File 'lib/serel/request.rb', line 20

def build_query_string
  query_hash = @scope
  unless @network
    query_hash[:site] = @site
  end
  query_hash[:key] = @api_key
  @query_string = query_hash.map { |k,v| "#{CGI::escape(k.to_s)}=#{CGI::escape(v.to_s)}"}.join('&')
end

#build_request_path ⇒ Object 



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# File 'lib/serel/request.rb', line 29

def build_request_path
  @path = "/2.0/#{@method}?#{@query_string}"
end

#execute ⇒ Object 



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# File 'lib/serel/request.rb', line 14

def execute
  build_query_string
  build_request_path
  make_request
end

#make_request ⇒ Object 



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# File 'lib/serel/request.rb', line 33

def make_request
  Serel::Base.logger.info "Making request to #{@path}"
  http = Net::HTTP.new('api.stackexchange.com', 443)
  http.use_ssl = true
  response = http.get(@path)
  body = JSON.parse(response.body)

  result = Serel::Response.new

  # Set the values of the response wrapper attributes
  %w(backoff error_id error_message error_name has_more page page_size quota_max quota_remaining total type).each do |attr|
    result.send("#{attr}=", body[attr])
  end

  # Set some response values we know about but SE might not send back
  result.page ||= (@scope[:page] || 1)
  result.page_size ||= (@scope[:pagesize] || 30)

  # If any items were returned, iterate over the results and populate the response
  if body["items"]
    body["items"].each do |item|
      result << Serel.const_get(@type.to_s.classify).new(item)
    end
  end

  if (@qty == :plural) || (result.length > 1)
    result
  else
    result.pop
  end
end