Generate invocies from the members.csv

This commit updates the previous template to inline the two images as
data URIs and embed ERB template markers for the data. The ruby script
added in this commit interpolates the data from the members.csv file
into the template and generates PDFs using wkhtmltopdf.

ADMINISTRATION.md

@@ -4,24 +4,20 @@ Records and documentation for the CoTech fund
 
 ## Generating receipts
 
-Install `pandoc` and `wkhtmltopdf` using, for example homebrew on OS X
+Install `wkhtmltopdf` using, for example homebrew on OS X
 
 ```
-brew install pandoc
 brew install Caskroom/cask/wkhtmltopdf
 ```
 
-Then in `receipts/` create a markdown file from an existing one, and run, for example
+Then in the root of the project run
 
 ```
-pandoc -t html5 agile_collective_2019-2020.md -o agile_collective_2019-2020.pdf --css style.css
+ruby scripts/generate_invoices.rb
 ```
 
+The invoices should be generated in `invoices/sent/2022/`.
 
+The ruby script can be edited to change the start of the range of invoice numbers and to generate the output in a different directory.
 
----
-
----
-
-Alternatively, to make PDF invoices/receipts with markdown files [markdown themes](https://support.typora.io/About-Themes/) can be used. `theme/cotech.css` can be used as a CSS stylesheet and `invoice_template_themed.md` as template. Images path has to point to `img/` directory at the root of the repository. Invoices in `invoices/sent/2020` were created that way.
-
+The data used to generate the invoices is in `members.csv`.

scripts/generate_invoices.rb

@@ -0,0 +1,66 @@
+require 'csv'
+require 'erb'
+require 'date'
+
+FIRST_INVOICE_NUMBER = 50
+
+output_dir = File.join(File.dirname(__FILE__), "..", "invoices", "sent", "2022")
+
+members_fn = File.read(File.join(File.dirname(__FILE__), "..", "members.csv"))
+members = CSV.parse(members_fn, headers: true)
+
+template_fn = File.read(File.join(File.dirname(__FILE__), "..", "template", "template.html"))
+
+class Invoice
+  def initialize(data, number)
+    @coop_name = data['coop_name']
+    @contact_address = data['contact_address']
+    @members = data['members']
+    @number = number
+  end
+
+  def date
+    Date.today.strftime('%d %B %Y')
+  end
+
+  def number
+    "%04d" % @number
+  end
+
+  def members
+    @members.to_i
+  end
+
+  def total
+    members * 52
+  end
+
+  def name
+    @coop_name
+  end
+
+  def basename
+    name.downcase.gsub(' ', '_').gsub('.', '')
+  end
+
+  def address
+    @contact_address.gsub("//", "\n")
+  end
+
+  def get_binding
+    binding()
+  end
+end
+
+members.each_with_index do |member, index|
+  invoice = Invoice.new(member, FIRST_INVOICE_NUMBER + index)
+  renderer = ERB.new(template_fn)
+  result = renderer.result(invoice.get_binding)
+
+  output_html_fn = File.join(output_dir, invoice.basename + '.html')
+  output_pdf_fn = File.join(output_dir, invoice.basename + '.pdf')
+
+  File.write(output_html_fn, result)
+
+  system("wkhtmltopdf #{output_html_fn} #{output_pdf_fn}")
+end

theme/cotech.css

@@ -1,114 +0,0 @@
-@charset "utf-8";
-
-body {
-font-size: 10.5pt;
-font-family: "Avenir Next", -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
-hyphens: auto;
-height: 270mm; /* 297 - 10 (top) - 20 (bottom) */
-line-height: 140%;
-margin: 0;
-padding: 0;
-}
-
-code {
-font-family: "Source Sans Code", Courier New, Courier, monospace;
-margin-left: 1pt;
-}
-
-a {
-color: black;
-margin-left: 1pt;
-}
-
-table {
-width: 100%;
-}
-
-table:nth-of-type(3) {
-border: 1px solid black;
-padding: 5pt;
-}
-
-table:nth-of-type(3) td:nth-of-type(2) {
-text-align: center;
-}
-
-h1 {
-font-size: 13pt;
-margin-top: 6pt;
-margin-bottom: 0;
-}
-
-h2 {
-font-size: 10.5pt;
-font-weight: normal;
-margin-top: 0;
-margin-bottom: 20pt;
-}
-
-p {
-width: 100%;
-}
-
-p:first-of-type {
-font-size: 9pt;
-word-spacing: 1pt;
-}
-
-/*p:first-of-type::after {
-content: "\2014";
-position: absolute;
-top: 89mm; / 99mm - 10mm top /
-right: 0mm;
-
-}*/
-
-p:nth-of-type(2) {
-margin-top: 20mm;
-}
-
-p:nth-of-type(3) {
-text-align: left;
-}
-
-p:nth-last-of-type(3) {
-margin-top: 10mm;
-}
-
-p:last-of-type {
-text-align: justify;
-font-size: 9pt;
-position: absolute;
-bottom: 2mm;
-margin-bottom: 0;
-padding-bottom: 0;
-/* word-spacing: 1pt; */
-color: #444;
-}
-
-hr {
-border: 1px solid #eee;
-}
-
-hr:last-of-type {
-position: absolute;
-bottom: 14mm;
-width: 100%;
-}
-
-figure {
-margin: 0;
-}
-
-img {
-width: 15%;
-left: 0px;
-float: left;
-display: block;
-}
-
-.footer {
-position: fixed;
-bottom: 0px;
-font-size: 8pt;
-}

theme/invoice_template_themed.md

@@ -1,45 +0,0 @@
-
-
-![](../img/Cotech-blue-text.png)
-
-
-
-
-
-<pre>
-Co-op's name
-
-Address
-
-</pre>
-
-19th June 2020
-
-
-
-# Invoice: CoTech Fund Contribution
-## Invoice number: 00023
-
-
-
-| Description                                         | Members | Total  |
-| --------------------------------------------------- | ------- | ------ |
-| Annual subscription to CoTech fund @ £1/member/week | 1       | £52.00 |
-
-Please make a payment of £52.00 by bank transfer to:
-
-- **Account Name**: Co-operative Technologists
-- **Account Number**: 20409157
-- **Sort Code**: 60-83-01
-
-
-
-Kind regards,
-
-![](../img/chris_lowis_signature.png)
-
-
-
-(Chris Lowis, Treasurer)
-
-<span  class="footer"> Chris Lowis | treasurer@coops.tech</span>