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Contents
module Copyable
class ColumnChecker < Copyable::CompletenessChecker
def columns(columns)
@columns = columns.keys.map(&:to_s)
end
private
def columns_to_skip
['id', 'created_at', 'updated_at', 'created_on', 'updated_on']
end
def expected_entries
columns_in_database = model_class.column_names
columns_in_database -= columns_to_skip
columns_in_database
end
def provided_entries
@columns
end
def missing_entries_found(missing_entries)
message = "The following columns were found in the database table '#{model_class.table_name}' "
message << "but not found in copyable's columns in the model '#{model_class.name}':\n"
missing_entries.each {|c| message << " column: #{c}\n" }
message << "Basically, if you just added columns to this database table, you need to update "
message << "the copyable declaration to instruct it how to copy the new columns.\n"
raise ColumnError.new(message)
end
def extra_entries_found(extra_entries)
message = "The following columns were found in copyable's columns in the model '#{model_class.name}' "
message << "but not found in the database table '#{model_class.table_name}':\n"
extra_entries.each {|c| message << " column: #{c}\n" }
message << "Note that the #{columns_to_skip.join(', ')} columns are handled "
message << "automatically and should not be listed.\n"
raise ColumnError.new(message)
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems