Class: AssessmentConverter

Inherits:
Converter show all
Defined in:
backend/app/converters/assessment_converter.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Converter

for, #get_output_path, #import_options, import_options, inherited, #initialize, list_import_types, register_converter, #remove_files

Constructor Details

This class inherits a constructor from Converter

Class Method Details

.configuration ⇒ Object

overriding this because we are special this importer is self configuring, so it has to configure itself on each run



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# File 'backend/app/converters/assessment_converter.rb', line 19

def self.configuration
  @config ||= self.configure
end

.configure ⇒ Object 



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# File 'backend/app/converters/assessment_converter.rb', line 67

def self.configure
  config = {}
  records = 0
  agents = 0
  reviewers = 0

  @field_headers.each do |section_field|
    (section, field) = section_field.split('_', 2)
    name = section_field
    data_path = "assessment.#{field}"
    val_filter = nil
    val_filter ||= @booleans.include?(section_field) ? normalize_boolean : nil
    val_filter ||= @dates.include?(section_field) ? reformat_date : nil

    if section_field.start_with?('basic_record')
      records += 1
      data_path = "records_#{records}.uri"
      val_filter = record_to_uri

      config["records_#{records}".intern] = {
        :record_type => Proc.new {|data|
          JSONModel.parse_reference(data['uri'])[:type]
        },
        :on_row_complete => Proc.new { |cache, record|

          assessment = cache.find {|obj| obj && obj.class.record_type == 'assessment' }

          assessment.records << {'ref' => record.uri}

          # nil the record in the cache to avoid having it created
          cache.map! {|obj| (obj && obj.key == record.key) ? nil : obj}
        }
      }


    elsif section_field.start_with?('basic_surveyed_by')
      agents += 1
      data_path = "agents_#{agents}.uri"
      val_filter = user_to_uri

      config["agents_#{agents}".intern] = {
        :record_type => Proc.new {|data|
          JSONModel.parse_reference(data['uri'])[:type]
        },
        :on_row_complete => Proc.new { |cache, agent|

          assessment = cache.find {|obj| obj && obj.class.record_type == 'assessment' }

          assessment.surveyed_by << {'ref' => agent.uri}

          # nil the agent in the cache to avoid having it created
          cache.map! {|obj| (obj && obj.key == agent.key) ? nil : obj}
        }
      }

    elsif section_field.start_with?('basic_reviewer')
      reviewers += 1
      data_path = "reviewers_#{reviewers}.uri"
      val_filter = user_to_uri

      config["reviewers_#{reviewers}".intern] = {
        :record_type => Proc.new {|data|
          JSONModel.parse_reference(data['uri'])[:type]
        },
        :on_row_complete => Proc.new { |cache, agent|

          assessment = cache.find {|obj| obj && obj.class.record_type == 'assessment' }

          assessment.reviewer << {'ref' => agent.uri}

          # nil the agent in the cache to avoid having it created
          cache.map! {|obj| (obj && obj.key == agent.key) ? nil : obj}
        }
      }

    elsif section == 'format'
      defn = match_definition('format', field)

      data_path = "#{section_field}.value"
      val_filter = boolean_to_s

      config[section_field.intern] = {
        :record_type => 'assessment_attribute',
        :on_row_complete => Proc.new { |cache, attr|
          if attr.value == 'true'
            assessment = cache.find {|obj| obj && obj.class.record_type == 'assessment' }
            assessment.formats << { :value => 'true', :definition_id => defn[:id] }
          end
        }
      }

    elsif section == 'rating'

      if field.end_with?('_note')
        data_path = section_field.sub(/_note$/, '') + '.note'
      else
        defn = match_definition('rating', field)

        data_path = "#{section_field}.value"

        config[section_field.intern] = {
          :record_type => 'assessment_attribute',
          :on_row_complete => Proc.new { |cache, attr|
            assessment = cache.find {|obj| obj && obj.class.record_type == 'assessment' }
            assessment.formats << {
              :value => attr.value,
              :note => attr.note,
              :definition_id => defn[:id]
            }
          }
        }

      end

    elsif section == 'conservation'
      defn = match_definition('conservation_issue', field)

      data_path = "#{section_field}.value"
      val_filter = boolean_to_s

      config[section_field.intern] = {
        :record_type => 'assessment_attribute',
        :on_row_complete => Proc.new { |cache, attr|
          if attr.value == 'true'
            assessment = cache.find {|obj| obj && obj.class.record_type == 'assessment' }
            assessment.conservation_issues << { :value => 'true', :definition_id => defn[:id] }
          end
        }
      }
    end

    config[name] = [val_filter, data_path]
  end

  config
end

.configure_cell_handlers(row) ⇒ Object 



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# File 'backend/app/converters/assessment_converter.rb', line 34

def self.configure_cell_handlers(row)
  if row[0] == 'basic'
    # this is the section header row
    @section_headers = row
    @field_headers = []
    @cell_handlers = []
    @defns = nil
    # return empty cell handlers so that #run calls us again
    return [[], []]
  end

  records = 0
  agents = 0
  reviewers = 0
  @field_headers = @section_headers.zip(row).map {|section, field|
    hdr = "#{section}_#{field}"
    if hdr == 'basic_record'
      records += 1
      hdr += "_#{records}"
    elsif hdr == 'basic_surveyed_by'
      agents += 1
      hdr += "_#{agents}"
    elsif hdr == 'basic_reviewer'
      reviewers += 1
      hdr += "_#{reviewers}"
    end
    # our parent is very strict about headers ...
    normalize_label(hdr)
  }

  super(@field_headers)
end

.import_types(show_hidden = false) ⇒ Object 



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# File 'backend/app/converters/assessment_converter.rb', line 204

def self.import_types(show_hidden = false)
  [
   {
     :name => "assessment_csv",
     :description => "Import Assessment records from a CSV file"
   }
  ]
end

.instance_for(type, input_file) ⇒ Object 



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# File 'backend/app/converters/assessment_converter.rb', line 213

def self.instance_for(type, input_file)
  if type == "assessment_csv"
    self.new(input_file)
  else
    nil
  end
end

.reconfigure! ⇒ Object 



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# File 'backend/app/converters/assessment_converter.rb', line 23

def self.reconfigure!
  @config = nil
end

Instance Method Details

#run ⇒ Object 



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# File 'backend/app/converters/assessment_converter.rb', line 27

def run
  self.class.reconfigure!

  super
end