Add XML manual generation rake

Author: dcollie2

lib/tasks/xml.rake

@@ -0,0 +1,40 @@
+namespace :xml do
+  desc "Generate CME XML to a local file or stdout (no Azure). ENV: SCOPE=all_providers|single_provider LANGUAGE=<id|code|name> PROVIDER_ID=<id> DEST=<path or '-'>"
+  task generate: :environment do
+    require "fileutils"
+
+    scope = ENV.fetch("SCOPE", "all_providers")
+    lang_param = ENV["LANGUAGE"]
+    provider_id = ENV["PROVIDER_ID"]
+    dest = ENV["DEST"] || "tmp/cmes.xml"
+
+    language = if lang_param.present?
+      Language.find_by(id: lang_param) || Language.find_by(code: lang_param) || Language.find_by(name: lang_param)
+    else
+      Language.joins(:topics).distinct.first
+    end
+    abort "LANGUAGE not found or no languages with topics" unless language
+
+    service = case scope
+    when "single_provider"
+      abort "PROVIDER_ID required for single_provider" unless provider_id.present?
+      provider = Provider.find(provider_id)
+      XmlGenerator::SingleProvider.new(provider)
+    when "all_providers"
+      XmlGenerator::AllProviders.new(language)
+    else
+      abort "Unknown SCOPE: #{scope}"
+    end
+
+    xml = service.perform
+
+    if dest == "-"
+      puts xml
+    else
+      path = Rails.root.join(dest)
+      FileUtils.mkdir_p(File.dirname(path))
+      File.write(path, xml)
+      puts "Wrote XML to #{path} (#{xml.bytesize} bytes)"
+    end
+  end
+end