custom routes

scripts/config/make-config

@@ -11,18 +11,44 @@ require 'json'
 
 
 class NginxConfig
-  json = {}
-  json = JSON.parse(File.read(USER_CONFIG)) if File.exist?(USER_CONFIG)
-  json["port"] ||= ENV["PORT"] || 5000
-  json["root"] ||= "public_html/"
-  json["proxies"] ||= {}
-  json["clean_urls"] ||= false
-  json.each do |key, value|
-    define_method(key) { value }
+  def initialize(json_file)
+    json = {}
+    json = JSON.parse(File.read(json_file)) if File.exist?(json_file)
+    json["port"] ||= ENV["PORT"] || 5000
+    json["root"] ||= "public_html/"
+    json["proxies"] ||= {}
+    json["clean_urls"] ||= false
+    json["routes"] ||= {}
+    json["routes"] = Hash[json["routes"].map { |route, target| [to_regex(route), target] }]
+    json.each do |key, value|
+      self.class.send(:define_method, key) { value }
+    end
+  end
+
+  def context
+    binding
+  end
+
+  private
+  def to_regex(path)
+    segments = []
+    while !path.empty?
+      if path[0...2] == '**'
+        segments << '.*'
+        path = path[2..-1]
+      elsif path[0...1] == '*'
+        segments << '[^/]*'
+        path = path[1..-1]
+      else
+        next_star = path.index("*") || path.length
+        segments << Regexp.escape(path[0...next_star])
+        path = path[next_star..-1]
+      end
+    end
+    segments.join
   end
 end
 
-erb   = ERB.new(File.read(TEMPLATE))
-klass = erb.def_class(NginxConfig, 'render()')
-FileUtils.mkdir_p(File.dirname(NGINX_CONFIG))
-File.write(NGINX_CONFIG, klass.new.render)
+
+erb   = ERB.new(File.read(TEMPLATE)).result(NginxConfig.new(USER_CONFIG).context)
+File.write(NGINX_CONFIG, erb)

scripts/config/templates/nginx.conf.erb

@@ -42,6 +42,12 @@ http {
     }
   <% end %>
 
+  <% routes.each do |route, path| %>
+    location ~ ^<%= route %>$ {
+      alias <%= root %>/<%= path %>;
+    }
+  <% end %>
+
   <% proxies.each do |location, hash| %>
     location <%= location %> {
       proxy_pass <%= hash['origin'] %>;