Class: Dwca::Import::Manager

Inherits:
Object
  • Object
show all
Defined in:
lib/dwca/import.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(opts = {}) ⇒ Manager

Returns a new instance of Manager.

Parameters:

  • args (Hash) 


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# File 'lib/dwca/import.rb', line 16

def initialize(opts = {})
  opts = {
    data: [],        # dwc.core.read[0]
    errors: [],      # dwc.core.read[1]
    core_fields: {}, # dwc.core.fields
    row_number: 1    # default starting row index
  }.merge!(opts)
  @data, @errors, @row_number = opts[:data], opts[:errors], opts[:row_number]
  @available_objects = referenced_models(opts[:core_fields])
  @tw_objects = TwObjects.new()
  @field_index = opts[:core_fields].inject({}){|hsh, a| hsh.merge(a[:term] => (a[:index]) )}
end

Instance Attribute Details

#available_objects ⇒ Object

Returns the value of attribute available_objects.



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# File 'lib/dwca/import.rb', line 9

def available_objects
  @available_objects
end

#data ⇒ Object

Returns the value of attribute data.



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# File 'lib/dwca/import.rb', line 12

def data
  @data
end

#errors ⇒ Object

Returns the value of attribute errors.



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# File 'lib/dwca/import.rb', line 12

def errors
  @errors
end

#field_index ⇒ Object

Returns the value of attribute field_index.



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# File 'lib/dwca/import.rb', line 8

def field_index
  @field_index
end

#row_number ⇒ Object Also known as: i

Returns the value of attribute row_number.



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# File 'lib/dwca/import.rb', line 10

def row_number
  @row_number
end

#tw_objects ⇒ Object

Returns the value of attribute tw_objects.



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# File 'lib/dwca/import.rb', line 13

def tw_objects
  @tw_objects
end

Class Method Details

.build(data) ⇒ Object

Parameters:

  • data (CSV) 


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# File 'lib/dwca/import.rb', line 78

def self.build(data)
  data.rows[0..10].each do |row|
    puts row
  end
end

Instance Method Details

#build_object(row, object) ⇒ Object

Parameters:

  • row (CSV::Row)
  • object (Object)

Returns:

  • (Object) 


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# File 'lib/dwca/import.rb', line 44

def build_object(row, object)
  klass = object.class.name.underscore.to_sym
  DWC2TW[klass].each_key do |attr|
    method = DWC2TW[klass][attr][:in]
    if method && object.respond_to?(method)
      object.send(method, cell(row, attr))
    end
  end
  object
end

#build_row_objects(row, row_objects) ⇒ Object

Parameters:

  • row (CSV::Row)
  • row_objects (Array)

Returns:

  • (Object) 


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# File 'lib/dwca/import.rb', line 58

def build_row_objects(row, row_objects)
  result = row_objects.inject({}){|hsh, a| hsh.merge(a => nil)} # might need to be a hash
  row_objects.each do |r|
    result[r] = build_object(row, r.to_s.classify.safe_constantize.new)
  end
  result
end

#cell(row, attribute) ⇒ Object

Parameters:

  • row (CSV::Row)
  • attribute (CSV::Row::Cell) 


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# File 'lib/dwca/import.rb', line 37

def cell(row, attribute)
  row[@field_index[attribute]]
end

#referenced_models(core_fields) ⇒ Array (protected)

Given the core_fields what TW objects are possible

Parameters:

  • core_fields (Array)

Returns:

  • (Array) 


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# File 'lib/dwca/import.rb', line 89

def referenced_models(core_fields)
  core_fields = core_fields.collect{|i| i[:term]}
  models = []
  DWC2TW.each_key do |k|
    if (core_fields & DWC2TW[k].keys) != []
      models.push k
    end
  end
  models.sort
end

#relate_row_objects(row, row_objects) ⇒ None

2nd pass

Parameters:

  • row (CSV::Row)
  • row_objects (Array)

Returns:

  • (None) 


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# File 'lib/dwca/import.rb', line 70

def relate_row_objects(row, row_objects)
  # specimen -> identifier, collecting_event, biocuration_classification, taxon_determination, type_specimen
  # otu -> taxon_name, biological_association
  # collecting_event -> georeference
  # taxon_name -> taxon_name
end

#row_id(row) ⇒ Integer

Parameters:

  • row (CSV::Row)

Returns:

  • (Integer) 


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# File 'lib/dwca/import.rb', line 31

def row_id(row)
  row[0]
end