Class: IngvQuake::BasicInfoEventParser

Inherits:
ApplicationService show all
Defined in:
lib/ingv_quake/services/basic_info_event_parser.rb

Overview

The BasicInfoEventParser class is responsible for parsing response data containing basic information about earthquake events. It inherits from the ApplicationService base class.

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from ApplicationService

call

Constructor Details

#initialize(response) ⇒ BasicInfoEventParser

Initializes a new BasicInfoEventParser instance with the response data.

Parameters:

  • response (String) —

    The response data to be parsed.



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# File 'lib/ingv_quake/services/basic_info_event_parser.rb', line 13

def initialize(response)
  @response = response
end

Instance Attribute Details

#response ⇒ Object (readonly)

Returns the value of attribute response.



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# File 'lib/ingv_quake/services/basic_info_event_parser.rb', line 8

def response
  @response
end

Instance Method Details

#call ⇒ Array<BasicInfoEvent>

Parses the response data and creates an array of BasicInfoEvent objects.

Returns:



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# File 'lib/ingv_quake/services/basic_info_event_parser.rb', line 20

def call
  @response.lines.drop(1).map do |line|
    event_data = line.strip.split('|')
    attributes = {
      event_id: event_data[0],
      time: event_data[1],
      latitude: event_data[2],
      longitude: event_data[3],
      depth_km: event_data[4],
      author: event_data[5],
      catalog: event_data[6],
      contributor: event_data[7],
      contributor_id: event_data[8],
      mag_type: event_data[9],
      magnitude: event_data[10],
      mag_author: event_data[11],
      location: event_data[12],
      type: event_data[13]
    }

    magnitude = attributes[:magnitude].to_f

    if magnitude >= 3.0
      event_id = attributes[:event_id]

      url_prefix = "http://shakemap.rm.ingv.it/shake4/data/#{event_id}/current/products/"
      attributes[:intensity_map] = "#{url_prefix}intensity.jpg"
      attributes[:pga_map] = "#{url_prefix}pga.jpg"
      attributes[:pgv_map] = "#{url_prefix}pgv.jpg"
    end

    BasicInfoEvent.new(**attributes)
  end
end