Class: Wuclan::JsonModel::FriendsFollowersParser

Inherits:
GenericJsonParser show all
Defined in:
lib/wuclan/twitter/parse/friends_followers_parser.rb

Overview

Friends or Followers is a flat list of users => tweets

Instance Attribute Summary collapse

Attributes inherited from GenericJsonParser

#raw

Instance Method Summary collapse

Methods inherited from GenericJsonParser

new_from_json

Constructor Details

#initialize(raw, context, scraped_at, owning_user_id, *ignore) ⇒ FriendsFollowersParser

Returns a new instance of FriendsFollowersParser.



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# File 'lib/wuclan/twitter/parse/friends_followers_parser.rb', line 10

def initialize raw, context, scraped_at, owning_user_id, *ignore
  super raw
  self.context         = context.to_sym
  self.scraped_at      = scraped_at
  self.owning_user_id  = owning_user_id
end

Instance Attribute Details

#context ⇒ Object

Returns the value of attribute context.



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# File 'lib/wuclan/twitter/parse/friends_followers_parser.rb', line 9

def context
  @context
end

#owning_user_id ⇒ Object

Returns the value of attribute owning_user_id.



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# File 'lib/wuclan/twitter/parse/friends_followers_parser.rb', line 9

def owning_user_id
  @owning_user_id
end

#scraped_at ⇒ Object

Returns the value of attribute scraped_at.



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# File 'lib/wuclan/twitter/parse/friends_followers_parser.rb', line 9

def scraped_at
  @scraped_at
end

Instance Method Details

#each(&block) ⇒ Object

Enumerate over users (each having one tweet)



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# File 'lib/wuclan/twitter/parse/friends_followers_parser.rb', line 32

def each &block
  raw.each do |hsh|
    case context
    when :favorites then parsed = JsonTweet.new(      hsh, nil)
    else                 parsed = JsonTwitterUser.new(hsh, scraped_at)
    end
    next unless parsed && parsed.healthy?
    user_b = parsed.generate_user_partial
    tweet  = parsed.generate_tweet
    [ user_b,
      tweet,
      generate_relationship(user_b, tweet)
    ].compact.each do |obj|
      yield obj
    end
  end
end

#generate_relationship(user, tweet) ⇒ Object 



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# File 'lib/wuclan/twitter/parse/friends_followers_parser.rb', line 20

def generate_relationship user, tweet
  case context
  when :followers then AFollowsB.new(  user.id,        owning_user_id)
  when :friends   then AFollowsB.new(  owning_user_id, user.id)
  when :favorites then AFavoritesB.new(owning_user_id, user.id, (tweet ? tweet.id : nil))
  else raise "Can't make a relationship out of #{context}. Perhaps better communication is the key."
  end
end

#healthy? ⇒ Boolean

Extracted JSON should be an array

Returns:

  • (Boolean) 


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# File 'lib/wuclan/twitter/parse/friends_followers_parser.rb', line 18

def healthy?() raw && raw.is_a?(Array) end