matkant_invoice/invoice.rb

138 lines
3.7 KiB
Ruby

# coding: utf-8
require 'CSV'
require 'yaml'
require 'mysql2'
require 'optparse'
load 'config.rb'
Options = {}
OptionParser.new do |opts|
opts.banner = "Usage: invoice.rb [options]"
opts.on("-d", "--draft", "Generate invoices with 'DRAFT' watermark") do |d|
Options[:draft] = d
end
opts.on("-v", "--verbose", "Run verbosely") do |v|
Options[:verbose] = v
end
opts.on("-s", "--silent", "Run silently (overrules -v)") do |s|
Options[:silent] = true
Options[:verbose] = false
end
end.parse!
db = Mysql2::Client.new(:host => DB_HOST, :username => DB_USER, :database => DB_DB)
YAML_BASE = {"author": "Christoffer Müller Madsen", "city": "Aarhus", "from": ["Falstersgade 18, 4. th", "8000 Aarhus C"], 'currency': 'DKK', 'commasep': true, 'lang': 'danish', 'seriffont': 'Linux Libertine', 'sansfont': 'Linux Biolinum', 'fontsize': '10pt', 'geometry': 'a4paper, left=43mm, right=43mm, top=51mm, bottom=17mm', 'closingnote': %Q[Overfør venligst det anførte beløb via MobilePay til følgende telefonnummer i løbet af de næste 14 dage:
+45 81 73 02 02
Med venlig hilsen
] }
Products = Hash.new
Names = Hash.new
Prices = Hash.new
# Initialize product and member hashses
db.query("SELECT * FROM products").each do |product|
id = product['id']
pretty_name = product['pretty_name']
price = product['price']
if Options[:verbose]
puts "Found product: #{id} => #{pretty_name}, #{price}"
end
Products[id] = pretty_name
Prices[id] = price
end
db.query("SELECT * FROM members").each do |member|
Names[member['id']] = member['name']
end
class LogItem
def initialize(time,person,product,amount: 1)
@time = time
@person = person
@product = product
@amount = amount
end
attr_accessor :time, :person, :product, :amount
end
def read_file(file)
rows = Array.new
CSV.foreach(file, col_sep: ';', converters: :float) do |row|
rows << LogItem.new(row[0],row[1],row[2],amount: row[3])
end
rows
end
def read_db(db)
rows = Array.new
db.query("SELECT * FROM transactions").each do |row|
if date_of_prev('monday').to_time < row["time"]
rows << LogItem.new(row["time"], row["buyer"], row["product"], amount: row["amount"])
end
end
rows
end
def partition_rows(rows)
skyldnere = Hash.new
rows.each do |row|
skyldnere[row.person] = Hash.new unless skyldnere[row.person]
skyldnere[row.person][row.product] = 0 unless skyldnere[row.person][row.product]
skyldnere[row.person][row.product] += row.amount
end
skyldnere
end
def generate_receipt(skyldnere,draft)
counter = 0
skyldnere.each do |person, products|
counter += 1
yaml = YAML_BASE.clone
yaml["to"] = Names[person]
products.each do |product, amount|
yaml["invoice-nr"] = Time.now.strftime('%Y%W') + "-" + counter.to_s
yaml["service"] = Array.new unless yaml["service"]
hash = {description: Products[product], pieceprice: Prices[product].to_i, price: Prices[product].to_i*amount, amount: amount}
yaml["service"] << Hash[hash.map{ |k, v| [k.to_s, v] }]
end
if draft
yaml["draft"] = "true"
yaml["drafttext"] = "Udkast"
end
output = Hash[yaml.map{ |k, v| [k.to_s, v] }].to_yaml
output += "---\n"
File.open("./pandoc/details.yml","w") do |file|
file << output
end
`cd pandoc/; make -B`
`cp pandoc/output.pdf #{OUTPUT_PATH}/#{yaml["invoice-nr"]}.pdf`
puts "#{person}: #{yaml["invoice-nr"]}.pdf" unless Options[:silent]
end
end
# Utility
def date_of_next(day)
date = Date.parse(day)
delta = date > Date.today ? 0 : 7
date + delta
end
def date_of_prev(day)
date = Date.parse(day)
delta = date < Date.today ? 0 : 7
date - delta
end
partition = partition_rows(read_db(db))
generate_receipt(partition,Options[:draft])