now in ocaml

2022-08-29 21:04:10 -06:00
commit 7d38de6435
27 changed files with 724 additions and 0 deletions
--- a/render/render.ml
+++ b/render/render.ml
@@ -0,0 +1,108 @@
+open Database
+open Lwt
+
+module Render = struct
+  let not_found_template = "404 Not found"
+  let error_template = "500 Server Error"
+
+  let header_template =
+    {eos|
+     <head>
+     <meta charset="utf-8">
+     <meta name="viewport" content="width=device-width, initial-scale=1">
+     <meta name="description" content="Rawley.xyz, Rawley Fowler's blog and personal website">
+     <title>rawley.xyz</title>
+     <link href="/static/index.css" rel="stylesheet">
+     </head>
+     <body>
+     <body>
+     <header>
+     <h1>
+     <a href="/">/home/rawley.xyz</a>
+     </h1>
+     <nav>
+     <li>
+     <a href="/blog">blog</a>
+     </li>
+     <li>
+     <a href="/resume">resume</a>
+     </li>
+     <li>
+     <a href="/philosophy">philosophy</a>
+     </li>
+     <li>
+     <a href="/web-ring">web ring</a>
+     </li>
+     </nav>
+     </header>
+     <main>
+     |eos}
+
+  let footer_template =
+    {eos|
+     </main>
+     <footer>
+     <hr>
+     <p>
+     Copyright &copy; Rawley Fowler 2022
+     </p>
+     <p>
+     <b>Disclaimer</b>: All opinions on this site, are that of my own. They do not
+     reflect the opinions of any of my employers; past, present, or future.
+     </p>
+     </footer>
+     </body>
+     </html>
+     |eos}
+
+  let render_page content =
+    Printf.sprintf
+      {eos| 
+       %s
+       %s
+       %s
+       |eos}
+      header_template
+      content
+      footer_template
+    
+  let generate_link (p : BlogPost.t) =
+    Printf.sprintf
+      {eos|
+       <div class="link-wrapper">
+       <a href="/blog/%s">%s</a>
+       <i>%s</i>
+       </div>
+       |eos}
+      p.slug p.title p.date
+  
+  let handle_error e =
+    print_endline (Caqti_error.show e); error_template |> Dream.html
+
+  let render_blog_post request =
+    let slug = Dream.param request "post" in
+    let post_t = Database.get_blog_post_by_slug slug in
+    post_t >>= fun post ->
+    match post with
+    | Error e -> handle_error e
+    | Ok p_opt ->
+       match p_opt with
+       | None -> not_found_template |> Dream.html
+       | Some p ->
+          Printf.sprintf "<h2>%s</h2>\r\n%s" p.title p.content
+          |> render_page
+          |> Dream.html
+
+  let render_blog_index _ =
+    let buff = Buffer.create 512 in
+    let () = Buffer.add_string buff "<h3>Blog</h3>" in
+    let posts_t = Database.get_all_blog_posts () in
+    posts_t >>= function
+    | Error e -> handle_error e
+    | Ok posts ->
+       List.iter (fun p -> Buffer.add_string buff (generate_link p)) posts;
+       let c = if List.length posts <> 0 then
+                 render_page @@ Buffer.contents buff
+               else render_page "<br>No blog posts..." in
+       Dream.html c
+end