Add olegdb-cached readme parser

Will take any of my projects and render a README.md

controllers/projects.moon

@@ -1,5 +1,38 @@
-lapis = require "lapis"
+config   = require("lapis.config").get!
+discount = require "discount"
+lapis    = require "lapis"
+http     = require "lapis.nginx.http"
+oleg     = require "lib/oleg"
+
+require "base64"
+
+gh = require('github').new({access_token: os.getenv "GITHUB_TOKEN", httpclient_driver: 'httpclient.ngx_driver'})
 
 class Projects extends lapis.Application
   [projects: "/projects"]: =>
     render: true
+
+  [readme: "/projects/:name"]: =>
+    @ret, @err = oleg.get "readmes", @params.name
+
+    ngx.log ngx.NOTICE, "Got content from oleg, code #{@err}"
+
+    if @err
+      ngx.log ngx.NOTICE, "Need to download readme for #{@params.name}"
+
+      reply, err = gh\authed_request "/repos/Xe/#{@params.name}/contents/README.md"
+      readme = base64.decode reply.content
+
+      if code == 404
+        return render: "notfound", status_code: 404
+
+      oleg.set "readmes", @params.name, readme
+      @ret = readme
+
+    elseif @err
+      @err = "OlegDB returned code #{@err}."
+      return render: "error", status_code: 500
+
+    @doc = discount @ret, "toc", "nopants", "autolink"
+
+    render: true

views/readme.moon

@@ -0,0 +1,6 @@
+import Widget from require "lapis.html"
+
+class Readme extends Widget
+  content: =>
+    raw @doc
+