Module: Query::Nyc

Defined in:
lib/query-nyc.rb,
lib/query-nyc/version.rb

Constant Summary collapse

VERSION = 
"0.0.1"

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.address ⇒ Object

Returns the value of attribute address.



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# File 'lib/query-nyc.rb', line 3

def address
  @address
end

Class Method Details

.building_at(houseno, street, boro) ⇒ Object 



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# File 'lib/query-nyc.rb', line 13

def self.building_at(houseno, street, boro)
  require "nokogiri"
  
  boro_option = name_to_number(boro)
  
  uri = "http://a810-bisweb.nyc.gov/bisweb/PropertyProfileOverviewServlet?" + "boro=#{boro_option}" + "&houseno=#{houseno}" + "&street=#{CGI.escape(street)}"

  @page = Nokogiri::HTML(open(uri))

  retObj = {:landlords=>[],:building=>[]}

  msg = @page.css(".errormsg").first.content rescue nil
  if msg == nil
    tax_block = @page.xpath("//table[3]/tr[2]/td[9]/text()").to_s.sub(/:/,'').to_i
    tax_lot = @page.xpath("//table[3]/tr[3]/td[9]/text()").to_s.sub(/:/,'').to_i

    violations_count = @page.xpath("//td//tr[(((count(preceding-sibling::*) + 1) = 3) and parent::*)]//*[(((count(preceding-sibling::*) + 1) = 2) and parent::*)]/text()").to_s
    open_violations = @page.xpath("//td//tr[(((count(preceding-sibling::*) + 1) = 3) and parent::*)]//*[(((count(preceding-sibling::*) + 1) = 3) and parent::*)]/text()").to_s
    violations_link = "http://a810-bisweb.nyc.gov/bisweb/" + @page.xpath("//tr[(((count(preceding-sibling::*) + 1) = 3) and parent::*)]//b//a").attribute("href").to_s rescue ""
  
    complaints_count = @page.xpath("//td//tr[(((count(preceding-sibling::*) + 1) = 2) and parent::*)]//*[(((count(preceding-sibling::*) + 1) = 2) and parent::*)]/text()")[0].to_s
    open_complaints = @page.xpath("//td//tr[(((count(preceding-sibling::*) + 1) = 2) and parent::*)]//*[(((count(preceding-sibling::*) + 1) = 3) and parent::*)]/text()").to_s
    complaints_link = "http://a810-bisweb.nyc.gov/bisweb/" + @page.xpath("//tr[(((count(preceding-sibling::*) + 1) = 2) and parent::*)]//b//a").attribute("href").to_s rescue ""
  
    landmark_status = @page.xpath('//tr[(((count(preceding-sibling::*) + 1) = 6) and parent::*)]//*[contains(concat( " ", @class, " " ), concat( " ", "content", " " )) and (((count(preceding-sibling::*) + 1) = 2) and parent::*)]/text()').to_s
  
    @page = Nokogiri::HTML(open('http://api.blocksandlots.com/blankslate/json/data/743cd788-eb98-4fb6-af18-0811261ad168/records/search?apikey=cvq842zthjdvr25cq9p5s6db&Block='+tax_block.to_s+'&Lot='+tax_lot.to_s+'&rp=350&em=true&_=1289069608577'))
  
    arr_of_landlords = retObj[:landlords]
    arr_of_building = retObj[:building]
    jdata = JSON.parse(@page.content) 
    owners_array = jdata["application"][0]["entity"][0]["record"]
    owners_array.each do |owner|
      ret = {}
      skip = false
      owner["field"].each { |f|
        case f["fieldName"] 
          when "Owner Name"
            if f["fieldValue"].strip.present?
              ret[:owner] = f["fieldValue"].split(/\s+/).each{ |word| word.capitalize! }.join(' ')
            else
              skip = true  
            end
        end
      }
      arr_of_landlords.push(ret) unless skip
    end
    
    r = {}
    owners_array[0]["field"].each do |f|
      case f["fieldName"]
        when "Actual Land Value"; r[:land_value] = f["fieldValue"]
        when "Actual Total Value"; r[:total_value] = f["fieldValue"]
        when "Market Value"; r[:market_value] = f["fieldValue"]
        when "Assessment Year"; r[:assessment_year] = f["fieldValue"]
      end
    end
    arr_of_building.push(r)
    
    arr_of_building[0][:tax_block] = tax_block
    arr_of_building[0][:tax_lot] = tax_lot
    arr_of_building[0][:violations_count] = violations_count
    arr_of_building[0][:open_violations] = open_violations
    arr_of_building[0][:violations_link] = violations_link
    arr_of_building[0][:complaints_count] = complaints_count
    arr_of_building[0][:open_complaints] = open_complaints
    arr_of_building[0][:complaints_link] = complaints_link
    arr_of_building[0][:landmark_status] = landmark_status.present?
  end
  # Returns a hash of landlords, and the building.
  retObj
end

.check_existence_with_google(address) ⇒ Object 



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# File 'lib/query-nyc.rb', line 104

def self.check_existence_with_google(address)
  base = "http://maps.googleapis.com/maps/api/geocode/json?address="
  addr = "#{address},NY".gsub(/\s+/,'+')
  uri = "#{base}#{addr}&sensor=false"
  
  google = open(uri).read
  json = JSON.parse(google)
  
  partial_match = json["results"][0]["partial_match"] rescue false
  approximate = json["results"][0]["geometry"]["location_type"] == "APPROXIMATE"
  
  if (approximate.present? or partial_match.present?)
    false
  else
    # Scoop the address here
    self.address =   json["results"][0]["formatted_address"] rescue ""
  
    true
  end
  # Returns true or false
end

.fetch_uri(houseno, street, boro) ⇒ Object 



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# File 'lib/query-nyc.rb', line 5

def self.fetch_uri(houseno, street, boro)
  
  boro_option = name_to_number(boro)
  
  uri = "http://a810-bisweb.nyc.gov/bisweb/PropertyProfileOverviewServlet?" + "boro=#{boro_option}" + "&houseno=#{houseno}" + "&street=#{CGI.escape(street)}"
  
end

.geocode(address) ⇒ Object 



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# File 'lib/query-nyc.rb', line 126

def self.geocode(address)
  require 'uri'
  require 'rest-client'
  
  j = ActiveSupport::JSON
  base_url="http://maps.googleapis.com/maps/api/geocode/json?address="
  url = "#{base_url}#{CGI.escape(address)}&sensor=false"
  retObj = {:lat=>"",:lng=>""}
  RestClient.get(url) do |response, request, result| 
    case response.code
    when 200
      res = j.decode(response)["results"][0]
      loc = res["geometry"]["location"] rescue ""
      addr = res["address_components"] rescue ""
      
      retObj[:lat] = loc["lat"] rescue ""
      retObj[:lng] = loc["lng"] rescue ""  
      retObj[:sublocality] = addr[2]["long_name"] rescue ""  
    else 
      "BAD RESPONSE"
    end   
  end   
  retObj
end

.name_to_number(name) ⇒ Object 



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# File 'lib/query-nyc.rb', line 86

def self.name_to_number(name)
  
  case name
    when "Manhattan"
      1
    when "The Bronx"
      2
    when "Brooklyn"
      3
    when "Queens"
      4
    when "Staten Island"
      5
    else
      0  
  end
end