Sha256: 66bd4e80c30411a5f06f904204583836ea1cb8f1ac963348d33e33b3cca94d38
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Contents
module CsvRowModel
# Include this to with {Model} to have a RowModel for importing csvs that
# represents just one model.
# It needs CsvRowModel::Import
module Import
module FileModel
extend ActiveSupport::Concern
class_methods do
# Safe to override
#
# @param cell [String] the cell's string
# @return [Integer] returns index of the header_match that cell match
def index_header_match(cell)
match = header_matchers.each_with_index.select do |matcher, index|
cell.match(matcher)
end.first
match ? match[1] : nil
end
# @return [Array] header_matchs matchers for the row model
def header_matchers
@header_matchers ||= begin
columns.map do |name, options|
matchers = options[:header_matchs] || [name.to_s]
Regexp.new(matchers.join('|'),Regexp::IGNORECASE)
end
end
end
def next(csv, source_header, context={}, previous=nil)
return csv.read_row unless csv.next_row
source_row = Array.new(header_matchers.size)
while csv.next_row
current_row = csv.read_row
current_row.each_with_index do |cell, position|
next if cell.blank?
index = index_header_match(cell)
next unless index
source_row[index] = current_row[position + 1]
break
end
end
new(source_row, source_header: source_header, context: context, previous: previous)
end
end
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems