Class: NbaTeamList

Inherits:
Object
  • Object
show all
Includes:
NbaUrls
Defined in:
lib/espnscrape/NbaTeamList.rb

Overview

Access NBA team list

Instance Method Summary collapse

Methods included from NbaUrls

#boxScoreUrl, #formatTeamUrl, #getTid, #teamListUrl, #teamRosterUrl, #teamScheduleUrl

Constructor Details

#initialize ⇒ [String]

Populate class attributes with Team Data



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# File 'lib/espnscrape/NbaTeamList.rb', line 8

def initialize()
	url = teamListUrl 							# Open static URL
	doc = Nokogiri::HTML(open(url))
	if doc.nil?
		puts "NbaTeamList URL Unreachable: " + url
		return nil
	end

	# Define XPATH variables
	xpath_tname = "//h5/a/text()"
	xpath_division = "//div/div/div/div/div[2]"

	# Collect
	@header = doc.xpath("//h2")[0].text.strip # Table Header
	team_names = doc.xpath(xpath_tname) # Team Names

	# Check if Division layout has changed
	divCheck = 10
	divAct = doc.xpath(xpath_division).size
	if divAct != divCheck
		# puts "Warning: Found %i out of %i divisions via xpath" % [divAct, divCheck]
	end

	@team_list = []
	h = 0 # Head of teamNames range
	west_conf = ['Northwest','Pacific','Southwest'] # Western Conference Divs
	# Process Teams by Division
	divs = ['Atlantic', 'Pacific','Central','Southwest','Southeast','Northwest']
	divs.each do |div|
		processTeams(div, team_names[h,5], west_conf, @team_list) # Store Team Data
		h += 5
	end
	# Validate teamList
	if !@team_list.nil? && @team_list.size != 30
		puts "NbaTeamList: %i teams collected!" % [@team_list.size]
	end
	return @team_list
end

Instance Method Details

#getHeader ⇒ [String]

Return header Example:

getHeader => "NBA Teams"

Returns:

  • ([String]) —

    header



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# File 'lib/espnscrape/NbaTeamList.rb', line 130

def getHeader()
	return @header
end

#getTeamList ⇒ [String]

Return team_list

Examples:

tl.getTeamList =>  [Team 0][TeamID, TeamName, TeamDiv, TeamConf]

Returns:

  • ([String]) —

    team_list



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# File 'lib/espnscrape/NbaTeamList.rb', line 121

def getTeamList()
	return @team_list
end

#processTeams(division, team_names, west_conf, tl) ⇒ Object

Derive TeamID, Division, Conference

Examples:

processTeams("Atlantic", ["Boston Celtics"], [...], result)
#result[n] = [TeamID, TeamName, TeamDiv, TeamConf]
result[0] = ["BOS", "Boston Celtics", "Atlatic", "Eastern"]

Parameters:

  • division (String) —

    Division Name

  • team_names ([String]) —

    List of Team Names

  • west_conf ([String]) —

    List of Divisions in the Western Conference

  • tl ([String]) —

    List to which rows of TeamList are appended



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# File 'lib/espnscrape/NbaTeamList.rb', line 67

def processTeams(division, team_names, west_conf, tl)
	# Derive Team Abbrevation
	team_names.each do |tname|
		t = tname.text # Extract text
		# Identify Team Abbreviation
		name_words = t.split
		abbr = ""
		if name_words.size > 2
			name_words.each do |x|
				abbr << x[0]
			end
			abbr.upcase
		else
			abbr = name_words[0][0..2].upcase
		end

		# Adjust Outlier Abbreviations
		case abbr
		when 'OCT'
			abbr = 'OKC'
		when 'PTB'
			abbr = 'POR'
		when 'BRO'
			abbr = 'BKN'
		end

		# Stage Team Data
		tmp = []
		tmp << abbr
		tmp << t.strip
		tmp << division

		# Derive Conference from Division
		tmp << (west_conf.include?(division) ? 'Western' : 'Eastern')

		if tmp.nil? || tmp.size != 4
			puts "Error: Unable to process full data for #{tname}"
		end

		# Save Team Data to global @team_list[]
		tl << tmp
		# There may be additional listings which are not for NBA teams.
		# Stop processing data when TeamID == Utah Jazz (UTA).
		if abbr == 'UTA'
			break
		end
	end
end

#toString ⇒ String

Generate String representation of Team List

Returns:

  • (String) —

    Resulting team list string



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# File 'lib/espnscrape/NbaTeamList.rb', line 50

def toString
	res = ""
	@team_list.each do |t|
		res += t.join(',') + "\n"
	end
	return res
end