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| author | Vincent Ambo <mail@tazj.in> | 2021-10-19T12·00+0200 |
|---|---|---|
| committer | tazjin <mail@tazj.in> | 2021-10-22T09·56+0000 |
| commit | 08d46ad293264a7c0d4642b49480f49fc18b85cd (patch) | |
| tree | 0c76db0a8dd7e806fc19ee3bd20a4903a01dfb04 /web/blog/fragments.nix | |
| parent | 33e71ba97fd3df598daa217ec36a48334136dcfc (diff) | |
chore(web/blog): Move out of //users/tazjin r/2988
This will also be used for the TVL blog, with status updates of projects like Tvix. Note that while this commit evaluates, there are still some things specific to my blog in this code which I'll untangle in a future commit. Change-Id: If59431161b165d7249cbb856073a4cae84a1bfbf Reviewed-on: https://cl.tvl.fyi/c/depot/+/3732 Tested-by: BuildkiteCI Reviewed-by: grfn <grfn@gws.fyi>
Diffstat (limited to 'web/blog/fragments.nix')
| -rw-r--r-- | web/blog/fragments.nix | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/web/blog/fragments.nix b/web/blog/fragments.nix new file mode 100644 index 0000000000..eb46a09fd0 --- /dev/null +++ b/web/blog/fragments.nix @@ -0,0 +1,101 @@ +# This file defines various fragments of the blog, such as the header +# and footer, as functions that receive arguments to be templated into +# them. +# +# An entire post is rendered by `renderPost`, which assembles the +# fragments together in a runCommand execution. +# +# The post index is generated by //users/tazjin/homepage, not by this +# code. +{ depot, lib, pkgs, ... }: + +let + inherit (builtins) filter map hasAttr replaceStrings; + inherit (pkgs) runCommandNoCC writeText; + inherit (depot.nix) renderMarkdown; + + # Generate a post list for all listed, non-draft posts. + isDraft = post: (hasAttr "draft" post) && post.draft; + isUnlisted = post: (hasAttr "listed" post) && !post.listed; + + escape = replaceStrings [ "<" ">" "&" "'" ] [ "<" ">" "&" "'" ]; + + header = title: '' + <!DOCTYPE html> + <head> + <meta charset="utf-8"> + <meta name="viewport" content="width=device-width, initial-scale=1"> + <meta name="description" content="tazjin's blog"> + <link rel="stylesheet" type="text/css" href="/static/tvl.css" media="all"> + <link rel="icon" type="image/webp" href="/static/favicon.webp"> + <link rel="alternate" type="application/atom+xml" title="Atom Feed" href="/feed.atom"> + <title>tazjin's blog: ${escape title}</title> + </head> + <body class="light"> + <header> + <h1><a class="blog-title" href="/">tazjin's interblag</a> </h1> + <hr> + </header> + ''; + + footer = '' + <hr> + <footer> + <p class="footer"> + <a class="uncoloured-link" href="https://tazj.in">homepage</a> + | + <a class="uncoloured-link" href="https://cs.tvl.fyi/">code</a> + </p> + <p class="lod">ಠ_ಠ</p> + </footer> + </body> + ''; + + draftWarning = writeText "draft.html" '' + <p class="cheddar-callout cheddar-warning"> + <b>Note:</b> This post is a <b>draft</b>! Please do not share + the link to it without asking me first. + </p> + <hr> + ''; + + unlistedWarning = writeText "unlisted.html" '' + <p class="cheddar-callout cheddar-warning"> + <b>Note:</b> This post is <b>unlisted</b>! Please do not share + the link to it without asking me first. + </p> + <hr> + ''; + + renderPost = post: runCommandNoCC "${post.key}.html" {} '' + cat ${writeText "header.html" (header post.title)} > $out + + # Write the post title & date + echo '<article><h2 class="inline">${escape post.title}</h2>' >> $out + echo '<aside class="date">' >> $out + date --date="@${toString post.date}" '+%Y-%m-%d' >> $out + ${ + if post ? updated + then ''date --date="@${toString post.updated}" '+ (updated %Y-%m-%d)' >> $out'' + else "" + } + echo '</aside>' >> $out + + ${ + # Add a warning to draft/unlisted posts to make it clear that + # people should not share the post. + + if (isDraft post) then "cat ${draftWarning} >> $out" + else if (isUnlisted post) then "cat ${unlistedWarning} >> $out" + else "# Your ads could be here?" + } + + # Write the actual post through cheddar's about-filter mechanism + cat ${renderMarkdown post.content} >> $out + echo '</article>' >> $out + + cat ${writeText "footer.html" footer} >> $out + ''; +in { + inherit renderPost isDraft isUnlisted; +} |