Class: Pathways::Parser

Inherits:
Object
  • Object
show all
Defined in:
lib/pathways/parser.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(env) ⇒ Parser

Returns a new instance of Parser.

Raises:

  • (ArgumentError) 


6
7
8
9
10
 
# File 'lib/pathways/parser.rb', line 6

def initialize(env)
  path = "#{RAILS_ROOT}/log/#{env || Rails.env}.log"
  raise ArgumentError unless File.exists?( path )
  @log            = File.open( path )
end

Class Method Details

.execute(env = "development", interval_seconds = 60) ⇒ Object 



12
13
14
15
16
17
18
19
20
 
# File 'lib/pathways/parser.rb', line 12

def self.execute(env="development", interval_seconds=60)
  parser = self.new(env)
  most_recent_session_updated_at = Pathways::Session.first(:order => "updated_at DESC").try(:updated_at)
  while true
    puts "Processing"
    parser.run(most_recent_session_updated_at)
    sleep interval_seconds.to_i;
  end
end

Instance Method Details

#run(most_recent_session_updated_at) ⇒ Object 



22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
 
# File 'lib/pathways/parser.rb', line 22

def run(most_recent_session_updated_at)
  visits = []
  @log.each_line do |line|

    next unless timestamp = line.match( /^PathwaysTracker\:(.*)/)
    visit_hash = JSON.parse(timestamp[1].to_s)

    session = Pathways::Session.find_or_create_by_client_id_and_state(visit_hash["client_id"], :active)
    session.update_attributes(:user_id => visit_hash["user_id"], :iteration => visit_hash["iteration"])

    updated_at = Time.parse(visit_hash["created_at"]).to_i
    next if most_recent_session_updated_at and updated_at < most_recent_session_updated_at
    session.created_at = updated_at if session.created_at.nil?
    session.updated_at = updated_at
    most_recent_session_updated_at = updated_at

    last_visit = session.visits.last
    unless last_visit.nil?
      next if last_visit.created_at == updated_at
      time_since_last_visit = updated_at.to_i - last_visit.created_at.to_i
      if time_since_last_visit > 600
        session.state = :closed
        session.save
        session = Pathways::Session.find_or_create_by_client_id_and_state(visit_hash["client_id"], :active)
        session.update_attributes(:user_id => visit_hash["user_id"], :iteration => visit_hash["iteration"])
        session.created_at = updated_at
      end
      last_visit.time_active =  (time_since_last_visit > 60) ? 60 : time_since_last_visit
    end
    puts session.inspect
    session.updated_at = updated_at
    visit_opts = {}
    [:url, :path, :controller, :action].each do | key |
      visit_opts[key] = visit_hash[key.to_s]
    end
    [:created_at].each do | key |
      visit_opts[key] = Time.parse(visit_hash[key.to_s]).to_i
    end
    visit_opts[:session_id] = session.id
    session.visits << Visit.new(visit_opts)
    session.time_active = session.updated_at - session.created_at
    session.save
    puts session.visits.last.inspect
  end
end