From f8e238b03c5b17e7e670445148a230d4308071ec Mon Sep 17 00:00:00 2001
From: Marc Wrobel <marc.wrobel@gmail.com>
Date: Sat, 17 Dec 2022 13:23:05 +0100
Subject: [PATCH] Using Jekyll generator

---
 _layouts/product_v1.json    | 16 ++++++
 _plugins/generate-api-v1.rb | 99 ++++++++++---------------------------
 2 files changed, 42 insertions(+), 73 deletions(-)
 create mode 100644 _layouts/product_v1.json

diff --git a/_layouts/product_v1.json b/_layouts/product_v1.json
new file mode 100644
index 000000000000..6b1d5ff52e7a
--- /dev/null
+++ b/_layouts/product_v1.json
@@ -0,0 +1,16 @@
+{
+  "title": "{{ page.title }}",
+  "category": "{{ page.category }}",
+  "iconSlug": {% if page.iconSlug %}"{{ page.iconSlug }}"{% else %}null{% endif %},
+  "versionCommand": "{{ page.versionCommand }}",
+  "releasePolicyLink": "{{ page.releasePolicyLink }}",
+  "releases": [
+{% for r in page.releases -%}
+    {
+      "cycle": "{{ r.releaseCycle }}",
+      "codename": {% if r.codename %}"{{r.codename}}"{% else %}null{% endif %},
+      "releaseDate": "{{ r.releaseDate }}"
+    }{% unless forloop.last %},{% endunless -%}
+{%- endfor %}
+  ]
+}
diff --git a/_plugins/generate-api-v1.rb b/_plugins/generate-api-v1.rb
index 2f93923af10f..7589b7add544 100755
--- a/_plugins/generate-api-v1.rb
+++ b/_plugins/generate-api-v1.rb
@@ -1,5 +1,3 @@
-#!/usr/bin/env ruby
-
 # This script creates API files for version 1 of the endoflife.date API.
 #
 # There are three kind of generated files :
@@ -7,83 +5,38 @@
 # - <product>.json: contains a given product data ()including releases data).
 # - <product>/<release>.json: contains a given product release data.
 
-require 'fileutils'
-require 'json'
-require 'yaml'
-require 'date'
+require 'jekyll'
 
 module ApiV1
 
-  # This API path
-  DIR = 'api/v1'
-
-  # Returns the path of a file inside the API namespace.
-  def self.file(name, *args)
-    File.join(DIR, name, *args)
-  end
-
-  # Holds information about a product.
-  Product = Class.new do
-    attr_accessor :data
-
-    # Initializes the product with the given product's markdown file.
-    # The markdown file is expected to contain a YAML front-matter with the appropriate properties.
-    #
-    # Copying the data makes it easier to process it.
-    def initialize(data)
-      @data = Hash.new
-      # The product name is derived from the product's permalink (ex. /debian => debian).
-      @data["name"] = data['permalink'][1..data['permalink'].length]
-      @data["title"] = data['title']
-      @data["category"] = data['category']
-      @data["iconSlug"] = data['iconSlug']
-      @data["permalink"] = data['permalink']
-      @data["versionCommand"] = data['versionCommand']
-      @data["auto"] = data.has_key? 'auto'
-      @data["releasePolicyLink"] = data['releasePolicyLink']
-      @data["releases"] = data['releases'].map do |release|
-        release_data = Hash.new
-        release_data["name"] = release['releaseCycle']
-        release_data["codename"] = release['codename']
-        release_data["releaseDate"] = release['releaseDate']
-        release_data["support"] = release['support']
-        release_data["eol"] = release['eol']
-        release_data["discontinued"] = release['discontinued']
-        release_data["lts"] = release['lts'] || false # lts is optional, make sure it always has a value
-        release_data["latest"] = release['latest']
-        release_data["latestReleaseDate"] = release['latestReleaseDate']
-        release_data
+  class ApiGenerator < Jekyll::Generator
+    safe true
+    priority :lowest
+
+    def generate(site)
+      site.pages.each do |page|
+        is_markdown = (page.name.end_with?("md"))
+        has_permalink = (page.data.has_key? 'permalink')
+        has_releases = (page.data.has_key? 'releases')
+        is_product_page = (is_markdown and has_permalink and has_releases)
+        site.pages << ProductJson.new(site, page) if is_product_page
       end
     end
-
-    def name
-      data["name"]
-    end
   end
-end
-
-product_names = []
-FileUtils.mkdir_p(ApiV1::file('.'))
-
-Dir['products/*.md'].each do |file|
-  # Load and prepare data
-  raw_data = YAML.safe_load(File.open(file), permitted_classes: [Date])
-  product = ApiV1::Product.new(raw_data)
-  product_names.append(product.name)
 
-  # Write /<product>.json
-  product_file = ApiV1::file("#{product.name}.json")
-  File.open(product_file, 'w') { |f| f.puts product.data.to_json }
-
-  # Write all /<product>/<release>.json
-  FileUtils.mkdir_p(ApiV1::file(product.name))
-  product.data["releases"].each do |release|
-    # Any / characters in the name are replaced with - to avoid file errors.
-    release_file = ApiV1::file(product.name, "#{release['name'].to_s.tr('/', '-')}.json")
-    File.open(release_file, 'w') { |f| f.puts release.to_json }
+  class ProductJson < Jekyll::Page
+    def initialize(site, product)
+      @site = site
+      @base = site.source
+      @dir  = 'api/v1'
+      @name = product.data['permalink'][1..product.data['permalink'].length] + '.json'
+      @data = {}.merge(product.data)
+      @data['layout'] = 'product_v1'
+      @data.delete('permalink') # path already configured above, must not be overridden
+      @data.delete('alternate_urls') # TODO
+
+      self.process(@name)
+      self.read_yaml(File.join(site.source, '_layouts'), 'product_v1.json')
+    end
   end
 end
-
-# Write /all.json
-all_products_file = ApiV1::file('all.json')
-File.open(all_products_file, 'w') { |f| f.puts product_names.sort.to_json }