Class: BatchLoad::Import::Otus::DataAttributesInterpreter

Inherits:
BatchLoad::Import show all
Defined in:
lib/batch_load/import/otus/data_attributes_interpreter.rb

Constant Summary collapse

SAVE_ORDER =
[:predicate, :otu, :data_attribute, :citation]

Instance Attribute Summary collapse

Attributes inherited from BatchLoad::Import

#create_attempted, #csv, #errors, #file, #file_errors, #import_level, #processed, #processed_rows, #project, #successful_rows, #total_data_lines, #total_lines, #user, #user_header_map

Instance Method Summary collapse

Methods inherited from BatchLoad::Import

#all_objects, #create_attempted?, #import_level_ok?, #line_strict_level_ok?, #processed?, #ready_to_create?, #save_order, #sorted_processed_rows, #strict_level_ok?, #total_records_created, #user_map, #valid?, #valid_objects, #warn_level_ok?

Constructor Details

#initialize(**args) ⇒ DataAttributesInterpreter

Returns a new instance of DataAttributesInterpreter.

Parameters:

  • args (Hash)


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# File 'lib/batch_load/import/otus/data_attributes_interpreter.rb', line 23

def initialize(**args)
  @create_new_otu = args.delete(:create_new_otu).present?
  @create_new_predicate = args.delete(:create_new_predicate).present?
  @type_select = args.delete(:type_select)
  source_id = args.delete(:source_id)
  @source = Source.find(source_id) if source_id.present?
  @create_citation = @source.present?
  super(**args)
end

Instance Attribute Details

#create_citationObject

Whether or not to create citationss



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# File 'lib/batch_load/import/otus/data_attributes_interpreter.rb', line 12

def create_citation
  @create_citation
end

#create_new_otuObject

Whether or not to create unfound OTUs



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# File 'lib/batch_load/import/otus/data_attributes_interpreter.rb', line 6

def create_new_otu
  @create_new_otu
end

#create_new_predicateObject

Whether or not to create unfound Predicates



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# File 'lib/batch_load/import/otus/data_attributes_interpreter.rb', line 9

def create_new_predicate
  @create_new_predicate
end

#sourceObject

Sourde for citation



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# File 'lib/batch_load/import/otus/data_attributes_interpreter.rb', line 18

def source
  @source
end

#type_selectObject

Import or Internal Attribute



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# File 'lib/batch_load/import/otus/data_attributes_interpreter.rb', line 15

def type_select
  @type_select
end

Instance Method Details

#buildBoolean

Returns true if build process has run.

Returns:

  • (Boolean)

    true if build process has run



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# File 'lib/batch_load/import/otus/data_attributes_interpreter.rb', line 159

def build
  if valid?
    build_da_for_otus
    @processed = true
  end
end

#build_da_for_otusInteger

Returns total data lines.

Returns:

  • (Integer)

    total data lines



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# File 'lib/batch_load/import/otus/data_attributes_interpreter.rb', line 34

def build_da_for_otus
  @total_data_lines = 0
  i = 0
  import_klass = type_select.start_with?('im')
  att_klass = (type_select.capitalize + 'Attribute').safe_constantize

  csv.each do |real_row|
    i += 1
    row = real_row
    real_project_id = @project_id.to_s if real_row['project_id'].blank?
    row['project_id'] = real_project_id
    parse_result = BatchLoad::RowParse.new
    parse_result.objects[:otu] = []
    parse_result.objects[:data_attribute] = []
    parse_result.objects[:citation] = []  # if create_citation
    parse_result.objects[:predicate] = [] # unless import_klass
    @processed_rows[i] = parse_result

    begin # processing
      # assume we will be creating a new da
      predicate = row['predicate']
      new_da_attributes = {value: row['value'], project_id: real_project_id}
      new_da_attributes[:citations_attributes] = [{source_id: @source.id,
                                                   project_id: real_project_id}] if create_citation
      ias = BatchLoad::ColumnResolver.data_attribute(row, type_select)
      if import_klass
        new_da_attributes[:import_predicate] = predicate
      else
        new_cvt = Predicate.find_or_initialize_by(
          name: predicate,
          definition: "Imported from #{file.original_filename}",
          project_id: real_project_id)
      end
      new_da = att_klass.new(new_da_attributes)

      otus = BatchLoad::ColumnResolver.otu(row)
      find_name = row['otuname']

      if otus.no_matches? # can't find any by that name
        otus.assign(Otu.new(name: find_name, project_id: real_project_id))
      end

      # search for (and remove) pairs (otu and da) which are already represented in the database.
      [otus.item, otus.items].flatten.compact.each do |l_otu| # found one or more otus
        if l_otu.persisted? # means it was found in the database, not 'new' here
          [ias.item, ias.items].flatten.compact.each do |l_ia|
            if l_ia.attribute_subject == l_otu
              parse_result.parse_errors << 'otu/predicate/value combination already exists.'
              break
            end
          end
        end
      end
      parse_result.parse_errors << 'Can\'t resolve multiple found otus.' if otus.multiple_matches?
      ias.assign(new_da) # finished with the found das, prepare a new one to attach to a remaining otu

      parse_result.parsed = true
      otu_valid = otus.item&.valid?
      # connect data_attribute to otu
      ias.item.attribute_subject = otus.item
      # connect citation to otu
      if create_citation
        cite = new_da.citations.first
        cite.citation_object = otus.item
        # add citation
        parse_result.objects[:citation].push(cite) #if otu_valid
        cite.valid?
        parse_result.parse_errors << cite.errors.messages if cite.errors.messages.any?
      end
      unless import_klass
        # connect cvt to data_attribute
        ias.item.predicate = new_cvt
        # add predicate
        parse_result.objects[:predicate].push(new_cvt) if new_cvt.present? # (new_cvt.present? && otu_valid)
        parse_result.parse_errors << new_cvt.errors.messages if new_cvt.errors.messages.any?
      end
      # add data_attribute
      parse_result.objects[:data_attribute].push(ias.item) #if otu_valid
      parse_result.parse_errors << ias.error_messages if ias.error_messages.any?

      # add otu
      parse_result.objects[:otu].push(otus.item) #if otu_valid
      parse_result.parse_errors << otus.error_messages if otus.error_messages.any?

      @total_data_lines += 1 # if find_name.present?
    rescue => _e
      raise(_e)
    end
  end

  @total_lines = i
end

#createBoolean

Remove new objects which are not wanted, per args

Returns:

  • (Boolean)

    true



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# File 'lib/batch_load/import/otus/data_attributes_interpreter.rb', line 129

def create
  sorted_processed_rows.each_value do |processed_row|
    otu = processed_row.objects[:otu].first
    d_a = processed_row.objects[:data_attribute].first
    cvt = processed_row.objects[:predicate].first

    if otu&.valid? && d_a&.valid?
      if (not create_new_predicate)
        if cvt&.new_record?
          processed_row.objects[:predicate] = []
          processed_row.objects[:data_attribute] = []
          processed_row.objects[:citation] = []
        end
      end
      if (not create_new_otu)
        if otu&.new_record?
          processed_row.objects[:otu] = []
          processed_row.objects[:predicate] = []
          processed_row.objects[:data_attribute] = []
          processed_row.objects[:citation] = []
        end
      end
    else # wipe out all objects
      processed_row.objects.each_key { |kee| processed_row.objects[kee] = [] }
    end
  end
  super
end