render_any will ignore render extension in file request path

app.rb

@@ -2,8 +2,44 @@ require 'gollum/app'
 require 'sinatra/flash'
 require "sqlite3"
 require 'tonton_web'
-# TODO: better, simpler route matching
+require 'pathname'
+
 class TonTonWeb::App < Sinatra::Base
+	# Renders a view by the filename without the extension (without a predefined render)
+	# TODO: pass this to tonton-web code
+	def render_any template_name, base_dir, options = {}
+		for extension in ['.markdown', '.erb']
+			template_name.delete_suffix!(extension)
+		end
+
+		views_root = settings.views || "./views"
+
+		# Search for any file with the given name and any extension
+		# Dir.glob returns an array of matching file paths
+		views_dir = Dir.new("#{views_root}/#{base_dir}")
+
+		found = false
+		filename = nil
+
+		while not found and ( filename = views_dir.read ) != nil
+			if File.basename(filename, ".*") == template_name
+				found = true
+			end
+		end
+
+		if not found
+			halt 404, "Template named '#{template_name}' not found."
+		end
+
+		file_path = "#{base_dir}/#{template_name}"
+
+		engine = File.extname(filename).delete('.').to_sym
+
+		# Dynamically call the correct Sinatra method (e.g., erb :hello, markdown :hello)
+		# We use 'send' to call the method by its name symbol
+		send(engine, file_path.to_sym, options)
+	end
+
 	set :host_authorization, { permitted_hosts: ['localhost', 'mytonton.com.br'] }
 
 	set :sessions, true
@@ -16,19 +52,17 @@ class TonTonWeb::App < Sinatra::Base
 		markdown File.read("readme.md"), layout_engine: :erb, layout: true
 	end
 
-	get '/:name' do
-		markdown request.path_info.to_sym, layout_engine: :erb, layout: true
-	end
+	# Chapa Sigmóide
 
-	get '/chapa-sigmoide/readme' do
+	get '/chapa-sigmoide' do
 		redirect "/chapa-sigmoide/readme.markdown"
 	end
 
 	get '/chapa-sigmoide/:name' do
-		if request.path_info.end_with? '.markdown'
-			markdown request.path_info.sub('.markdown', '').to_sym, layout_engine: :erb, layout: :chapa_sigmoide
-		elsif request.path_info.end_with? '.erb'
-			erb request.path_info.sub('.erb', '').to_sym, layout_engine: :erb, layout: :chapa_sigmoide
+		render_any params['name'], 'chapa-sigmoide', layout_engine: :erb, layout: :chapa_sigmoide
 	end
+
+	get '/chapa-sigmoide/members/:name' do
+		render_any params['name'], 'chapa-sigmoide/members', layout_engine: :erb, layout: :chapa_sigmoide
 	end
 end