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[403] Allows foreign key to_sym on Array #408

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[403] Allows foreign key to_sym on Array #408

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15 changes: 12 additions & 3 deletions lib/rails_erd/domain/attribute.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -77,9 +77,18 @@ def primary_key?
# Returns +true+ if this attribute is used as a foreign key for any
# relationship.
def foreign_key?
@domain.relationships_by_entity_name(@model.name).map(&:associations).flatten.map { |associaton|
associaton.send(Domain.foreign_key_method_name).to_sym
}.include?(name.to_sym)
@domain
.relationships_by_entity_name(@model.name)
.map(&:associations)
.flatten
.map do |associaton|
result = associaton.send(Domain.foreign_key_method_name)
if result.class == Array
result.join("_").to_sym
else
result.to_sym
end
end.include?(name.to_sym)
end

# Returns +true+ if this attribute is used for single table inheritance.
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