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Versions: 11
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Stored size: 1.72 KB
Contents
module Dossier
class Result
include Enumerable
attr_accessor :report, :adapter_results
def initialize(adapter_results, report)
self.adapter_results = adapter_results
self.report = report
end
def headers
adapter_results.headers
end
def body
rows.first(rows.length - report.options[:footer].to_i)
end
def footers
rows.last(report.options[:footer].to_i)
end
def rows
@rows ||= to_a
end
def arrays
@arrays ||= [headers] + rows
end
def hashes
return @hashes if defined?(@hashes)
@hashes = rows.map { |row| row_hash(row) }
end
def row_hash(row)
Hash[headers.zip(row)].with_indifferent_access
end
def each
raise NotImplementedError, "Every result class must define `each`"
end
class Formatted < Result
def each
adapter_results.rows.each do |row|
yield format(row)
end
end
def format(row)
unless row.kind_of?(Enumerable)
raise ArgumentError.new("#{row.inspect} must be a kind of Enumerable")
end
row.each_with_index.map do |field, i|
method_name = "format_#{headers[i]}"
if report.respond_to?(method_name)
# Provide the row as context if the formatter takes two arguments
if report.method(method_name).arity == 2
report.public_send(method_name, field, row_hash(row))
else
report.public_send(method_name, field)
end
else
field
end
end
end
end
class Unformatted < Result
def each
adapter_results.rows.each { |row| yield row }
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems