Class: Aspen::Actions::Push

Inherits:
Object
  • Object
show all
Defined in:
lib/aspen/actions/push.rb

Instance Method Summary collapse

Constructor Details

#initialize(path: nil, config_path: 'config/db.yml') ⇒ Push

Returns a new instance of Push.



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# File 'lib/aspen/actions/push.rb', line 8

def initialize(path: nil, config_path: 'config/db.yml')
  @path_to_cql = path || Dir["build/main-*.cql"].first
  config = YAML::load_file(config_path)
  url = config.fetch("url").strip
  adapter = Neo4j::Core::CypherSession::Adaptors::HTTP.new(url, {})
  @session = Neo4j::Core::CypherSession.new(adapter)
rescue => e
  puts e.message
  puts e.backtrace
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/aspen/actions/push.rb', line 19

def call
  drop
  push
end

#drop ⇒ Object 



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# File 'lib/aspen/actions/push.rb', line 24

def drop
  print "Dropping data from database..."
  @session.query("MATCH (n) DETACH DELETE n")
  print "OK\n"
end

#push ⇒ Object 



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# File 'lib/aspen/actions/push.rb', line 30

def push
  file = File.read(@path_to_cql)
  print "Pushing data to database from #{@path_to_cql}..."
  @session.query(file)
  print "OK\n"
end