Velocipede's User, Sales, and Bike Inventory Web App
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require 'csv'
# Gone -> If "Yes", set 'gone' to true, then create a Log entry like the following:
# id | loggable_id | loggable_type | logger_id | logger_type | context | start_date | end_date | description | log_action_id | log_action_type | created_at | updated_at
# 18 | 1 | Bike | 4 | User | | 2017-02-03 23:27:00 | 2017-02-03 23:27:00 | Gone | 5 | ActsAsLoggable::BikeAction | 2017-02-03 23:27:36.8387 | 2017-02-03 23:27:36.8387
# See https://github.com/spacemunkay/BikeShed/blob/master/app/components/bike_logs.rb#L12-L18 for example. Use user_id 1 for current_user_id (1 should be the admin ID I think). Use "Date Out" column for start_date & end_date. Set action_id to "COMPLETED".
#
# Date In -> Create a bike log entry with start_date & end_date with same value as "Date In". Set action_id to "AQUIRED"
# Date Out -> Should be the start_date & end_date value for "Gone" column mentioned above.
# Comment -> Create a bike log entry with action_id "NOTE". The log 'description' should be the value of 'Comment'.
class BikeCsvImporter
include BikeCsvImporter::Cache
include BikeCsvImporter::Cleaner
include BikeCsvImporter::BikeAttrs
attr_reader :file
def initialize(file)
@file = file
end
def run(dry_run)
result = {imported: {}, skipped: {}}
fetch do |bike_hash|
bike = new_bike bike_hash
check_method = dry_run ? :valid? : :save
if bike.try check_method
result[:imported][bike.shop_id] = bike.inspect
else
result[:skipped][bike.try(:shop_id) || bike_hash.values.first] = bike.try(:errors).try(:messages)
end
end
result
end
def analyze(fields = [])
fields = fields.map &:downcase
grouped = {}
fetch do |bike_hash|
bike_hash.each do |key, value|
next if fields.any? && !fields.include?(key)
grouped[key] ||= {}
grouped[key][value] ||= 0
grouped[key][value] += 1
end
end
grouped
end
private
def fetch
CSV.foreach(file).each_with_index do |row, i|
if i.zero?
parse_header row
else
yield parse_bike(row)
end
end
end
def parse_header(row)
@header = row.map(&:downcase)
end
def parse_bike(row)
@header.zip(row).to_h
end
def new_bike(bike_hash)
Bike.new bike_attrs(bike_hash)
end
end