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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, context)
match = header_matchers(context).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(context)
@header_matchers ||= begin
columns.map do |name, options|
if formatted_header = self.format_header(name, context)
Regexp.new("^#{formatted_header}$", Regexp::IGNORECASE)
end
end.compact
end
end
def next(csv, source_header, context={}, previous=nil)
return csv.read_row unless csv.next_row
source_row = Array.new(header_matchers(context).size)
while csv.next_row
current_row = csv.read_row
current_row.each_with_index do |cell, position|
next if position == 0 # This is a hack to ignore the first column because of infos.csv have 'Compte' twice...
next if cell.blank?
index = index_header_match(cell, context)
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
6 entries across 6 versions & 1 rubygems