From 689396126d6d728476e866eae64e1b540c3865a0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christoffer=20M=C3=BCller=20Madsen?=
 <christoffer@guava.space>
Date: Tue, 31 Jan 2017 15:38:08 +0100
Subject: [PATCH] use mysql backend

---
 receipt.rb | 58 ++++++++++++++++++++++++++++++++++++++++++++++--------
 update.rb  | 16 ++++++++++++---
 2 files changed, 63 insertions(+), 11 deletions(-)

diff --git a/receipt.rb b/receipt.rb
index 2d1bd51..8533b6c 100644
--- a/receipt.rb
+++ b/receipt.rb
@@ -1,8 +1,13 @@
 # coding: utf-8
 require 'CSV'
 require 'yaml'
+require 'mysql2'
 
-YAML_BASE = {"author": "Christoffer Müller Madsen", "city": "Aarhus", "from": ["Falstersgade 18, 4. th", "8000 Aarhus C"], 'currency': 'DKK', 'commasep': true, 'lang': 'danish', 'seriffont': 'Hoefler Text', 'sansfont': 'Helvetica Neue', '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:
+load 'config.rb'
+
+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
 
@@ -12,10 +17,22 @@ Med venlig hilsen
 ] }
 
 PATH_BASE = "./pdf/"
-PRETTY_PRODUCTS = {"papkaffe" => "Papkrus kaffe (0.35 L)", "kage" => "Kage", "spandaur" => "Spandaur", "kaffekrus" => "Kaffe i krus (0.25 L)"}
-PRETTY_NAMES = {"Alexander" => "Alexander Munch-Hansen", "Jon" => "Jon Michael Aanes"}
-PRICES = {'papkaffe' => 7, "kage" => 11, "kaffekrus" => 5}
-lines = {}
+
+
+PRODUCTS = Hash.new
+NAMES = Hash.new
+PRICES = Hash.new
+
+# Initialize product and member hashses
+db.query("SELECT * FROM products").each do |product|
+  PRODUCTS[product['id']] = product['pretty_name']
+  PRICES[product['id']] = product['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)
@@ -35,6 +52,16 @@ def read_file(file)
   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|
@@ -50,11 +77,11 @@ def generate_receipt(skyldnere)
   skyldnere.each do |person, products|
     counter += 1
     yaml = YAML_BASE.clone
-    yaml["to"] = PRETTY_NAMES[person]
+    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: PRETTY_PRODUCTS[product], price: PRICES[product]*amount, amount: amount}
+      hash = {description: PRODUCTS[product], price: PRICES[product].to_i*amount, amount: amount}
       yaml["service"] << Hash[hash.map{ |k, v| [k.to_s, v] }]
     end
     output = Hash[yaml.map{ |k, v| [k.to_s, v] }].to_yaml
@@ -68,5 +95,20 @@ def generate_receipt(skyldnere)
   end
 end
 
-partition = partition_rows(read_file("./log/matkant-#{Time.now.strftime('%Y%W')}.log"))
+# 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_file("./log/matkant-#{Time.now.strftime('%Y%W')}.log"))
+partition = partition_rows(read_db(db))
 generate_receipt(partition)
diff --git a/update.rb b/update.rb
index 0250b5d..371d95d 100644
--- a/update.rb
+++ b/update.rb
@@ -1,3 +1,9 @@
+require 'mysql2'
+
+load 'config.rb'
+
+db = Mysql2::Client.new(:host => DB_HOST, :username => DB_USER, :database => DB_DB)
+
 person = ARGV[0]
 product = ARGV[1]
 amount = ARGV[2]
@@ -5,6 +11,10 @@ log_dir = "./log/"
 
 amount = 1.0 unless amount
 
-output = File.open("#{log_dir}/matkant-#{Time.now.strftime('%Y%W')}.log","a+")
-output << "#{Time.now.to_i};#{person};#{product};#{amount}\n"
-output.close
+statement = db.prepare("INSERT INTO transactions (buyer, product, amount) VALUES (?, ?, ?)")
+result = statement.execute(person,product,amount)
+puts result
+
+#output = File.open("#{log_dir}/matkant-#{Time.now.strftime('%Y%W')}.log","a+")
+#output << "#{Time.now.to_i};#{person};#{product};#{amount}\n"
+#output.close