Class: ForestLiana::SchemaUtils

Inherits:
Object
  • Object
show all
Defined in:
app/services/forest_liana/schema_utils.rb

Class Method Summary collapse

Class Method Details

.associations(active_record_class) ⇒ Object 



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# File 'app/services/forest_liana/schema_utils.rb', line 4

def self.associations(active_record_class)
  active_record_class.reflect_on_all_associations.select do |association|
    begin
      polymorphic?(association) ? true : !is_active_type?(association.klass)
    rescue
      FOREST_LOGGER.warn "Unknown association #{association.name} on class #{active_record_class.name}"
      false
    end
  end
end

.belongs_to_associations(active_record_class) ⇒ Object 



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# File 'app/services/forest_liana/schema_utils.rb', line 21

def self.belongs_to_associations(active_record_class)
  self.associations(active_record_class).select do |x|
    [:belongs_to].include?(x.macro)
  end
end

.find_column_schema_by_name(collection_name, field_name) ⇒ Object 



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# File 'app/services/forest_liana/schema_utils.rb', line 52

def self.find_column_schema_by_name(collection_name, field_name)
  schema = ForestLiana.apimap.find { |collection| collection.name == collection_name }
  if field_name.include?(':')
    relation, field_name = field_name.split(':')
    relation_schema = schema.fields.find do |field|
      field[:field].to_s == relation
    end
    foreign_collection_name, = relation_schema[:reference].split('.')

    return find_column_schema_by_name(foreign_collection_name, field_name)
  else
    return schema.fields.find do |field|
      field[:field].to_s == field_name
    end
  end
end

.find_model_from_collection_name(collection_name, logs = false) ⇒ Object 



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# File 'app/services/forest_liana/schema_utils.rb', line 33

def self.find_model_from_collection_name(collection_name, logs = false)
  model_found = nil
  ForestLiana.models.each do |model|
    if model.abstract_class?
      model_found = self.find_model_from_abstract_class(model, collection_name)
    elsif ForestLiana.name_for(model) == collection_name
      model_found = model
    end

    break if model_found
  end

  if logs && model_found.nil?
    FOREST_LOGGER.warn "No model found for collection #{collection_name}"
  end

  model_found
end

.klass(association) ⇒ Object 



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# File 'app/services/forest_liana/schema_utils.rb', line 77

def self.klass(association)
  return association.klass unless polymorphic?(association)


end

.many_associations(active_record_class) ⇒ Object 



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# File 'app/services/forest_liana/schema_utils.rb', line 27

def self.many_associations(active_record_class)
  self.associations(active_record_class).select do |x|
    [:has_many, :has_and_belongs_to_many].include?(x.macro)
  end
end

.one_associations(active_record_class) ⇒ Object 



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# File 'app/services/forest_liana/schema_utils.rb', line 15

def self.one_associations(active_record_class)
  self.associations(active_record_class).select do |x|
    [:has_one, :belongs_to].include?(x.macro)
  end
end

.polymorphic?(association) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/services/forest_liana/schema_utils.rb', line 73

def self.polymorphic?(association)
  association.options[:polymorphic]
end

.polymorphic_models(relation) ⇒ Object 



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# File 'app/services/forest_liana/schema_utils.rb', line 83

def self.polymorphic_models(relation)
  models = []
  ForestLiana.models.each do |model|
    unless model.reflect_on_all_associations.select { |association| association.options[:as] == relation.name.to_sym }.empty?
      models << model
    end
  end

  models
end

.tables_names ⇒ Object 



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# File 'app/services/forest_liana/schema_utils.rb', line 69

def self.tables_names
  ActiveRecord::Base.connection.tables
end