Class: MicroservicesEngine::Connection

Inherits:
ActiveRecord::Base
  • Object
show all
Defined in:
app/models/microservices_engine/connection.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.get(resource, path, params = {}) ⇒ Object 



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# File 'app/models/microservices_engine/connection.rb', line 8

def self.get(resource, path, params = {})
  conn = Connection.find_by(object: resource.to_s) # Does :abc match "abc"?
  if conn.present?
    conn.get path, params
  else raise ArgumentError, "Unknown resource #{resource}"
  end
end

Instance Method Details

#get(path, params = {}) ⇒ Object 



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# File 'app/models/microservices_engine/connection.rb', line 16

def get(path, params = {})
  # Example use:
  # (connection object for FieldTrip).get([123223, public_trip_stops], {active_only: true})
  # => queries endpoint: uri/123223/public_trip_stops
  # => endpoint finds all FieldTrip objects that are active (param flag)
  # => returns the response if the request was a success

  # Assumption: url is followed by a `/`
  uri = URI.parse(url + path.join('/'))
  uri.query = URI.encode_www_form(params)

  res = Net::HTTP.get_response(uri)
  if res.is_a? Net::HTTPSuccess
    res.body
  else raise ArgumentError, res.body
  end
end