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submit-social-housing-lettings-and-sales-data
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WIP

Prototyping
Rachael Booth 9 months ago
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20d06d4df2
commit
ec719a37ba
5 changed files with 155 additions and 250 deletions
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  1. 153
      app/services/bulk_upload/lettings/csv_parser.rb
  2. 9
      app/services/bulk_upload/lettings/log_creator.rb
  3. 9
      app/services/bulk_upload/lettings/validator.rb
  4. 117
      app/services/bulk_upload/lettings/year2023/csv_parser.rb
  5. 117
      app/services/bulk_upload/lettings/year2024/csv_parser.rb

153
app/services/bulk_upload/lettings/csv_parser.rb
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@ -0,0 +1,153 @@
require "csv"
class BulkUpload::Lettings::CsvParser
include CollectionTimeHelper
attr_reader :path
FIELDS = {
2023 => 134,
2024 => 130,
}.freeze
MAX_COLUMNS = {
2023 => 142,
2024 => 131,
}.freeze
# Should calculate this from number
FINAL_COLUMN = {
2023 => "EL",
2024 => "EA",
}.freeze
def initialize(path:, year:)
@path = path
@year = year
end
def row_offset
if with_headers?
rows.find_index { |row| row[0].match(/field number/i) } + 1
else
0
end
end
def col_offset
with_headers? ? 1 : 0
end
def cols
@cols ||= ("A"..FINAL_COLUMN[@year]).to_a
end
def row_parsers
@row_parsers ||= body_rows.map do |row|
stripped_row = row[col_offset..]
hash = Hash[field_numbers.zip(stripped_row)]
case @year
when 2023
BulkUpload::Letting::Year2023::RowParser.new(hash)
when 2024
BulkUpload::Lettings::Year2024::RowParser.new(hash)
else
raise "row parser not found"
end
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[field_numbers.find_index(field) + col_offset]
end
def correct_field_count?
valid_field_numbers_count = field_numbers.count { |f| f != "field_blank" }
valid_field_numbers_count == FIELDS[@year]
end
def too_many_columns?
return if with_headers?
max_columns_count = body_rows.map(&:size).max - col_offset
max_columns_count > MAX_COLUMNS[@year]
end
def wrong_template_for_year?
collection_start_year_for_date(first_record_start_date) != @year
rescue Date::Error
false
end
def missing_required_headers?
return false if @year == 2023
!with_headers?
end
private
def default_field_numbers
if @year == 2023
return [5, nil, nil, 15, 16, nil, 13, 40, 41, 42, 43, 46, 52, 56, 60, 64, 68, 72, 76, 47, 53, 57, 61, 65, 69, 73, 77, 51, 55, 59, 63, 67, 71, 75, 50, 54, 58, 62, 66, 70, 74, 78, 48, 49, 79, 81, 82, 123, 124, 122, 120, 102, 103, nil, 83, 84, 85, 86, 87, 88, 104, 109, 107, 108, 106, 100, 101, 105, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 126, 128, 129, 130, 131, 132, 127, 125, 133, 134, 33, 34, 35, 36, 37, 38, nil, 7, 8, 9, 28, 14, 32, 29, 30, 31, 26, 27, 25, 23, 24, nil, 1, 3, 2, 80, nil, 121, 44, 89, 98, 92, 95, 90, 91, 93, 94, 97, 96, 99, 10, 11, 12, 45, 39, 6, 4, 17, 18, 19, 20, 21, 22].map { |h| h.present? && h.to_s.match?(/^[0-9]+$/) ? "field_#{h}" : "field_blank" }
end
# Shouldn't be necessary after 2023 because we insist on headers
(1..FIELDS).map { |h| h.present? && h.to_s.match?(/^[0-9]+$/) ? "field_#{h}" : "field_blank" }
end
def field_numbers
@field_numbers ||= if with_headers?
rows[row_offset - 1][col_offset..].map { |h| h.present? && h.match?(/^[0-9]+$/) ? "field_#{h}" : "field_blank" }
else
default_field_numbers
end
end
def with_headers?
rows.map { |r| r[0] }.any? { |cell| cell&.match?(/field number/i) }
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.tr!("\r", "\n")
@normalised_string
end
def first_record_start_date
# make a mapping somewhere for field <-> actual thing so we don't need the year clause
if @year == 2023
if with_headers?
Date.new(row_parsers.first.field_9.to_i + 2000, row_parsers.first.field_8.to_i, row_parsers.first.field_7.to_i)
else
Date.new(rows.first[8].to_i + 2000, rows.first[7].to_i, rows.first[6].to_i)
end
else
if with_headers?
Date.new(row_parsers.first.field_10.to_i + 2000, row_parsers.first.field_9.to_i, row_parsers.first.field_8.to_i)
else
Date.new(rows.first[9].to_i + 2000, rows.first[8].to_i, rows.first[7].to_i)
end
end
end
end

9
app/services/bulk_upload/lettings/log_creator.rb
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@ -30,14 +30,7 @@ class BulkUpload::Lettings::LogCreator
private
def csv_parser
@csv_parser ||= case bulk_upload.year
when 2023
BulkUpload::Lettings::Year2023::CsvParser.new(path:)
when 2024
BulkUpload::Lettings::Year2024::CsvParser.new(path:)
else
raise "csv parser not found"
end
@csv_parser = BulkUpload::Lettings::CsvParser.new(path:, year: bulk_upload.year)
end
def row_offset

9
app/services/bulk_upload/lettings/validator.rb
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@ -99,14 +99,7 @@ private
end
def csv_parser
@csv_parser ||= case bulk_upload.year
when 2023
BulkUpload::Lettings::Year2023::CsvParser.new(path:)
when 2024
BulkUpload::Lettings::Year2024::CsvParser.new(path:)
else
raise "csv parser not found"
end
@csv_parser = BulkUpload::Lettings::CsvParser.new(path:, year: bulk_upload.year)
end
def row_offset

117
app/services/bulk_upload/lettings/year2023/csv_parser.rb
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@ -1,117 +0,0 @@
require "csv"
class BulkUpload::Lettings::Year2023::CsvParser
include CollectionTimeHelper
FIELDS = 134
MAX_COLUMNS = 142
FORM_YEAR = 2023
attr_reader :path
def initialize(path:)
@path = path
end
def row_offset
if with_headers?
rows.find_index { |row| row[0].match(/field number/i) } + 1
else
0
end
end
def col_offset
with_headers? ? 1 : 0
end
def cols
@cols ||= ("A".."EL").to_a
end
def row_parsers
@row_parsers ||= body_rows.map do |row|
stripped_row = row[col_offset..]
hash = Hash[field_numbers.zip(stripped_row)]
BulkUpload::Lettings::Year2023::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[field_numbers.find_index(field) + col_offset]
end
def correct_field_count?
valid_field_numbers_count = field_numbers.count { |f| f != "field_blank" }
valid_field_numbers_count == FIELDS
end
def too_many_columns?
return if with_headers?
max_columns_count = body_rows.map(&:size).max - col_offset
max_columns_count > MAX_COLUMNS
end
def wrong_template_for_year?
collection_start_year_for_date(first_record_start_date) != FORM_YEAR
rescue Date::Error
false
end
def missing_required_headers?
false
end
private
def default_field_numbers
[5, nil, nil, 15, 16, nil, 13, 40, 41, 42, 43, 46, 52, 56, 60, 64, 68, 72, 76, 47, 53, 57, 61, 65, 69, 73, 77, 51, 55, 59, 63, 67, 71, 75, 50, 54, 58, 62, 66, 70, 74, 78, 48, 49, 79, 81, 82, 123, 124, 122, 120, 102, 103, nil, 83, 84, 85, 86, 87, 88, 104, 109, 107, 108, 106, 100, 101, 105, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 126, 128, 129, 130, 131, 132, 127, 125, 133, 134, 33, 34, 35, 36, 37, 38, nil, 7, 8, 9, 28, 14, 32, 29, 30, 31, 26, 27, 25, 23, 24, nil, 1, 3, 2, 80, nil, 121, 44, 89, 98, 92, 95, 90, 91, 93, 94, 97, 96, 99, 10, 11, 12, 45, 39, 6, 4, 17, 18, 19, 20, 21, 22].map { |h| h.present? && h.to_s.match?(/^[0-9]+$/) ? "field_#{h}" : "field_blank" }
end
def field_numbers
@field_numbers ||= if with_headers?
rows[row_offset - 1][col_offset..].map { |h| h.present? && h.match?(/^[0-9]+$/) ? "field_#{h}" : "field_blank" }
else
default_field_numbers
end
end
def with_headers?
rows.map { |r| r[0] }.any? { |cell| cell&.match?(/field number/i) }
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.tr!("\r", "\n")
@normalised_string
end
def first_record_start_date
if with_headers?
Date.new(row_parsers.first.field_9.to_i + 2000, row_parsers.first.field_8.to_i, row_parsers.first.field_7.to_i)
else
Date.new(rows.first[8].to_i + 2000, rows.first[7].to_i, rows.first[6].to_i)
end
end
end

117
app/services/bulk_upload/lettings/year2024/csv_parser.rb
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@ -1,117 +0,0 @@
require "csv"
class BulkUpload::Lettings::Year2024::CsvParser
include CollectionTimeHelper
FIELDS = 130
MAX_COLUMNS = 131
FORM_YEAR = 2024
attr_reader :path
def initialize(path:)
@path = path
end
def row_offset
if with_headers?
rows.find_index { |row| row[0].match(/field number/i) } + 1
else
0
end
end
def col_offset
with_headers? ? 1 : 0
end
def cols
@cols ||= ("A".."EA").to_a
end
def row_parsers
@row_parsers ||= body_rows.map do |row|
stripped_row = row[col_offset..]
hash = Hash[field_numbers.zip(stripped_row)]
BulkUpload::Lettings::Year2024::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[field_numbers.find_index(field) + col_offset]
end
def correct_field_count?
valid_field_numbers_count = field_numbers.count { |f| f != "field_blank" }
valid_field_numbers_count == FIELDS
end
def too_many_columns?
return if with_headers?
max_columns_count = body_rows.map(&:size).max - col_offset
max_columns_count > MAX_COLUMNS
end
def wrong_template_for_year?
collection_start_year_for_date(first_record_start_date) != FORM_YEAR
rescue Date::Error
false
end
def missing_required_headers?
!with_headers?
end
private
def default_field_numbers
(1..FIELDS).map { |h| h.present? && h.to_s.match?(/^[0-9]+$/) ? "field_#{h}" : "field_blank" }
end
def field_numbers
@field_numbers ||= if with_headers?
rows[row_offset - 1][col_offset..].map { |h| h.present? && h.match?(/^[0-9]+$/) ? "field_#{h}" : "field_blank" }
else
default_field_numbers
end
end
def with_headers?
rows.map { |r| r[0] }.any? { |cell| cell&.match?(/field number/i) }
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.tr!("\r", "\n")
@normalised_string
end
def first_record_start_date
if with_headers?
Date.new(row_parsers.first.field_10.to_i + 2000, row_parsers.first.field_9.to_i, row_parsers.first.field_8.to_i)
else
Date.new(rows.first[9].to_i + 2000, rows.first[8].to_i, rows.first[7].to_i)
end
end
end
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