even stronger cachebusting

app.lua

@@ -13,6 +13,8 @@ app.layout = require "views.base"
 
 local function inject_constants(req)
   req.constants = constants
+  math.randomseed(os.time())
+  req.__cachebust = math.random(99999)
 end
 
 local function inject_methods(req)

apps/mod.lua

@@ -1,4 +1,5 @@
 local app = require("lapis").Application()
+local babycode = require("lib.babycode")
 
 local db = require("lapis.db")
 
@@ -43,4 +44,18 @@ app:post("sort_topics", "/sort-topics", function(self)
   return {redirect_to = self:url_for("sort_topics")}
 end)
 
+app:get("reparse_posts", "/reparse-posts", function(self)
+  db.query("BEGIN")
+  local hist = db.select("* FROM post_history")
+  for _, history in ipairs(hist) do
+    db.query(
+      "UPDATE post_history SET content = ? WHERE post_history.id = ?",
+      babycode.to_html(history.original_markup, require("lapis.html").escape),
+      history.id
+    )
+  end
+  db.query("COMMIT")
+  return "ok"
+end)
+
 return app

data/static/style.css

@@ -120,6 +120,16 @@ pre code {
   padding: 20px;
 }
 
+.inline-code {
+  background-color: rgb(38.5714173228, 40.9237007874, 35.6762992126);
+  color: white;
+  padding: 5px 10px;
+  display: inline-block;
+  margin: 4px;
+  border-radius: 4px;
+  font-size: 1rem;
+}
+
 .copy-code-container {
   position: sticky;
   width: calc(100% - 4px);

lib/babycode.lua

@@ -8,22 +8,29 @@ function babycode.to_html(s, escape_html)
   -- extract code blocks first and store them as placeholders
   -- don't want to process bbcode embedded into a code block
   local code_blocks = {}
-  local code_count = 0
+  local inline_codes = {}
+  s = escape_html(s)
   local text = s:gsub("%[code%](.-)%[/code%]", function(code)
-    code_count = code_count + 1
-    -- strip leading and trailing newlines, preserve others
-    code_blocks[code_count] = code:gsub("^%s*(.-)%s*$", "%1")
-    return "\1CODE:"..code_count.."\1"
+    local is_inline = code:match("\n") == nil
+    if is_inline then
+      table.insert(inline_codes, code)
+      return "\1ICODE:"..#inline_codes.."\1"
+    else
+      -- strip leading and trailing newlines, preserve others
+      local m, _ = code:gsub("^%s*(.-)%s*$", "%1")
+      table.insert(code_blocks, m)
+      return "\1CODE:"..#code_blocks.."\1"
+    end
   end)
 
   -- replace `[url=https://example.com]Example[/url] tags
   text = text:gsub("%[url=([^%]]+)%](.-)%[/url%]", function(url, label)
-    return '<a href="'..escape_html(url)..'">'..escape_html(label)..'</a>'
+    return '<a href="'..url..'">'..label..'</a>'
   end)
   
   -- replace `[url]https://example.com[/url] tags
   text = text:gsub("%[url%]([^%]]+)%[/url%]", function(url)
-    return '<a href="'..escape_html(url)..'">'..escape_html(url)..'</a>'
+    return '<a href="'..url..'">'..url..'</a>'
   end)
 
   -- bold, italics, strikethrough
@@ -34,13 +41,16 @@ function babycode.to_html(s, escape_html)
   -- replace loose links
   text = text:gsub("(https?://[%w-_%.%?%.:/%+=&~%@#%%]+[%w-/])", function(url)
     if not text:find('<a[^>]*>'..url..'</a>') then
-      return '<a href="'..escape_html(url)..'">'..escape_html(url)..'</a>'
+      return '<a href="'..url..'">'..url..'</a>'
     end
     return url
   end)
 
+  -- rule
+  text = text:gsub("\n+%-%-%-", "<hr>")
+  
   -- normalize newlines, replace them with <br>
-  text = text:gsub("\r?\n\r?\n+", "<br>"):gsub("\r?\n", "<br>")
+  text = text:gsub("\r?\n\r?\n+", "<br>")--:gsub("\r?\n", "<br>")
 
   -- replace code block placeholders back with their original contents
   text = text:gsub("\1CODE:(%d+)\1", function(n)
@@ -48,6 +58,11 @@ function babycode.to_html(s, escape_html)
     local button = ("<button type=button class=\"copy-code\" value=\"%s\">Copy</button>"):format(code)
     return "<pre><span class=\"copy-code-container\">" .. button .. "</span><code>"..code.."</code></pre>"
   end)
+  
+  text = text:gsub("\1ICODE:(%d+)\1", function (n)
+    local code = inline_codes[tonumber(n)]
+    return "<code class=\"inline-code\">" .. code .. "</code>"
+  end)
 
   return text
 end

sass/style.scss

@@ -156,6 +156,16 @@ pre code {
   padding: 20px;
 }
 
+.inline-code {
+  background-color: $verydark;
+  color: white;
+  padding: 5px 10px;
+  display: inline-block;
+  margin: 4px;
+  border-radius: 4px;
+  font-size: 1rem;
+}
+
 .copy-code-container {
   position: sticky;
   // width: 100%;

views/base.etlua

@@ -7,8 +7,7 @@
   <% else %>
     <title>Porom</title>
   <% end %>
-  <% math.randomseed(os.time()) %>
-  <link rel="stylesheet" href="<%= "/static/style.css?v=" .. math.random(1, 100) %>">
+  <link rel="stylesheet" href="<%= "/static/style.css?v=" .. __cachebust %>">
 </head>
 <body>
   <% render("views.common.topnav") -%>

views/common/bbcode_help.etlua

@@ -6,6 +6,16 @@
     <li>[s]<del>strikethrough</del>[/s]</li>
     <li>[url=https://example.com]<a href="https://example.com">labeled URL</a>[/url]</li>
     <li>[url]<a href="https://unlabeled-url.example.com">https://unlabeled-url.example.com</a>[/url]</li>
-    <li>[code]<code>code block</code>[/code]</li>
+    <li>
+      [code]with<br>line breaks[/code] will produce a code block:
+      <details>
+        <summary>Show code block example</summary>
+        <pre><span class="copy-code-container"><button type=button class="copy-code" value="with
+line breaks">Copy</button></span><code>with
+line breaks</code></pre>
+      </details>
+    </li>
+    <li>[code]<code class="inline-code">with no line breaks</code>[/code]</li>
+    <li><code class="inline-code">---</code> will create a horizontal rule for separating content</li>
   </ul>
 </details>