class Classifieds::Seller
Constants
- SUMMARY_COL_FORMATS
A seller is uniquely identified by name + location + phone
Attributes
location[R]
name[R]
phone[RW]
Public Class Methods
clear()
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Empty list of created objects
# File lib/classifieds/seller.rb, line 21 def self.clear all.clear end
find_or_create(name, location, phone)
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Returns the specified seller, or creates a new one if not found in @@all
# File lib/classifieds/seller.rb, line 26 def self.find_or_create(name, location, phone) (seller = find_seller(name, location, phone)) != nil ? seller : new(name, location, phone) end
find_seller(name, location, phone)
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Returns the specified seller from @all or nil if not found
# File lib/classifieds/seller.rb, line 31 def self.find_seller(name, location, phone) all.find { |seller| seller.name == name && seller.location == location && seller.phone == phone } end
new(name, location, phone)
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# File lib/classifieds/seller.rb, line 13 def initialize(name, location, phone) @name = name @location = location @phone = phone Classifieds::Seller.all << self end
summary_header()
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Return the summary listing summary title row
# File lib/classifieds/seller.rb, line 41 def self.summary_header Classifieds::Listing.format_cols(['Seller', 'Location'], SUMMARY_COL_FORMATS) end
Private Class Methods
all()
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Returns array of all sellers
# File lib/classifieds/seller.rb, line 49 def self.all @@all_sellers end
Public Instance Methods
summary_detail()
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Return a summary listing detail row
# File lib/classifieds/seller.rb, line 36 def summary_detail Classifieds::Listing.format_cols([@name, @location], SUMMARY_COL_FORMATS) end