Class: NbaStats::Scraper

Inherits:
Object
  • Object
show all
Defined in:
lib/nba_stats/scraper.rb

Class Method Summary collapse

Class Method Details

.get_player_stats(player) ⇒ Object 



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# File 'lib/nba_stats/scraper.rb', line 44

def self.get_player_stats(player)
  page = open_page(player.player_url)

  season = page.css("table#per_game tr.full_table").last
  stats_array = season.text.gsub("\n", "").strip.split("   ")

  stats_hash = {
    points_pg: stats_array[29], 
    assists_pg: stats_array[24], 
    rebounds_pg: stats_array[23], 
    blocks_pg: stats_array[26], 
    steals_pg: stats_array[25], 
    minutes_pg: stats_array[7], 
    fg_percentage: stats_array[10], 
    three_percentage: stats_array[13], 
    ft_percentage: stats_array[20]
  }

end

.get_roster(team) ⇒ Object 



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# File 'lib/nba_stats/scraper.rb', line 21

def self.get_roster(team)
  page = open_page(team.team_url)
  players_array = []
  players = page.css("table#roster tr")
  players.drop(1).each do |player|
    data_array = player.text.split("\n").map {|x| x.strip}
    number = data_array[1]
    name = data_array[2]
    position = data_array[3]
    height = data_array[4]
    data_array[8] == "R" ? experience = "Rookie" : experience = data_array[8] + " Years"

    #Below is messy workaround
    #Cleaner player.css("a").first["href"] works outside of .each loop, but returns "undefined method '[]' for nil" inside .each
    player_url = player.css("a").map {|element| element["href"]}.first
    player_url = "http://www.basketball-reference.com" + player_url.to_s

    hash = {name: name, number: number, position: position, height: height, experience: experience, player_url: player_url}
    players_array << hash
  end
  players_array
end

.get_teams ⇒ Object

Returns an array of hashes with current team names and links to 2015-16 team page



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# File 'lib/nba_stats/scraper.rb', line 8

def self.get_teams
  page = open_page("http://www.basketball-reference.com/teams")
  teams_array = []
  teams = page.css("table#active tr.full_table a")
  teams.each do |team|
    name = team.text
    team_url = "http://www.basketball-reference.com"+ team["href"] + "2016.html"
    hash = {name: name, team_url: team_url}
    teams_array << hash
  end
  teams_array
end

.open_page(url) ⇒ Object 



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# File 'lib/nba_stats/scraper.rb', line 3

def self.open_page(url)
  Nokogiri::HTML(open(url))
end