Submit social housing lettings and sales data (CORE)
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

70 lines
1.2 KiB

require "csv"
class BulkUpload::Lettings::Year2022::CsvParser
MAX_COLUMNS = 136
attr_reader :path
def initialize(path:)
@path = path
end
def row_offset
with_headers? ? 5 : 0
end
def col_offset
with_headers? ? 1 : 0
end
def cols
@cols ||= ("A".."EE").to_a
end
def row_parsers
@row_parsers ||= body_rows.map do |row|
stripped_row = row[col_offset..]
headers = ("field_1".."field_134").to_a
hash = Hash[headers.zip(stripped_row)]
BulkUpload::Lettings::Year2022::RowParser.new(hash)
end
end
def body_rows
rows[row_offset..]
end
def rows
@rows ||= CSV.parse(normalised_string, row_sep:)
end
def column_for_field(field)
cols[headers.find_index(field) + col_offset]
end
private
def headers
@headers ||= ("field_1".."field_134").to_a
end
def with_headers?
rows[0][0]&.match?(/\D+/)
end
def row_sep
"\n"
end
def normalised_string
return @normalised_string if @normalised_string
@normalised_string = File.read(path, encoding: "bom|utf-8")
@normalised_string.gsub!("\r\n", "\n")
@normalised_string.scrub!("")
@normalised_string
end
end