Generate torrent files from ogg files

5 files changed, 79 insertions, 7 deletions

diff --git a/TODOs.org b/TODOs.org
new file mode 100644
index 0000000..a359825
--- /dev/null
+++ b/TODOs.org
@@ -0,0 +1,21 @@
+* Tasks
+** TODO Move =assert-content.sh= to Ruby
+:PROPERTIES:
+:CUSTOM_ID: a7b6b371-100c-48f4-a448-bfa39f88efce
+:END:
+- State "TODO"       from              [2020-12-23 mer. 01:30]
+
+Asserts will be faster since things will be already in memory.
+
+Should the generator for the torrents put the torrent files in the source tree?
+Are torrents source files or build artifacts?
+** TODO Add page to listen an watch files with WebTorrent
+:PROPERTIES:
+:CUSTOM_ID: e5d2be9d-6471-40ba-a2d3-c7bc482bfaba
+:END:
+- State "TODO"       from              [2020-12-23 mer. 02:25]
+** TODO Add "web" Git Annex remote support
+:PROPERTIES:
+:CUSTOM_ID: c41d11b0-4235-4e8c-8e2b-bbbec7ee5c0b
+:END:
+- State "TODO"       from              [2020-12-23 mer. 02:26]
diff --git a/_layouts/podcast.html b/_layouts/podcast.html
index ea03187..982fbc6 100644
--- a/_layouts/podcast.html
+++ b/_layouts/podcast.html
@@ -3,8 +3,14 @@ layout: post
 ---
 
 <audio controls>
-  <source src="{% link /resources/podcasts/{{ page.lang }}/{{ page.date | date: "%Y-%m-%d" }}-{{ page.ref }}.ogg %}" type="audio/ogg">
-  <source src="{% link /resources/podcasts/{{ page.lang }}/{{ page.date | date: "%Y-%m-%d" }}-{{ page.ref }}.flac %}" type="audio/flac">
+  <source src="{% link /resources/podcasts/{{ page.date | date: "%Y-%m-%d" }}-{{ page.slug }}.ogg  %}" type="audio/ogg">
+  <source src="{% link /resources/podcasts/{{ page.date | date: "%Y-%m-%d" }}-{{ page.slug }}.flac %}" type="audio/flac">
 </audio>
 
+<div class="torrent-link">
+  <a href="/resources/podcasts/{{ page.date | date: "%Y-%m-%d" }}-{{ page.slug }}.ogg.torrent">
+    torrent
+  </a>
+</div>
+
 {{ content }}
diff --git a/default.nix b/default.nix
index bb83afc..801c50d 100644
--- a/default.nix
+++ b/default.nix
@@ -12,9 +12,19 @@ let
     gemset = ./nix/gemset.nix;
   };
 
+  mktorrent-newer = pkgs.mktorrent.overrideAttrs(oldAttrs: {
+    src = pkgs.fetchFromGitHub {
+      owner = "Rudde";
+      repo = "mktorrent";
+      rev = "ea1fbf29d19f34a93f7d984c1ac29d6d08f1f508";
+      sha256 = "1cjq96qridpvqhphj3ljnhysnqkdck415wxaqy768r0rvzqq1ja4";
+    };
+  });
+
   projectBuildInputs = with pkgs; [
     jekyllEnv
     pkgs-next.mdpo
+    mktorrent-newer
 
     perl
     graphviz
@@ -39,7 +49,7 @@ in rec {
   test = pkgs.stdenv.mkDerivation {
     inherit src;
     name = "website-test";
-    phases = [ "unpackPhase" "buildPhase" ];
+    phases = projectBuildInputs;
     buildInputs = projectBuildInputs;
     buildPhase = ''
       patchShebangs .
diff --git a/scripts/assert-content.sh b/scripts/assert-content.sh
index cdd2a01..558e424 100755
--- a/scripts/assert-content.sh
+++ b/scripts/assert-content.sh
@@ -3,7 +3,10 @@ set -Eeuo pipefail
 
 end="\033[0m"
 red="\033[0;31m"
-red() { echo -e "${red}${1}${end}"; }
+yellow="\033[0;33m"
+red()    { echo -e "${red}${1}${end}"; }
+yellow() { echo -e "${yellow}${1}${end}"; }
+
 
 
 ## Constant definitions
@@ -98,16 +101,48 @@ assert-frontmatter() {
 
   if [[ "$PREFIX" = '_podcasts/' ]]; then
     AUDIO="$(get-x audio "$F")"
+    SLUG="$(get-x slug "$F")"
+
     [[ -z "$AUDIO" ]] && fail-attr 'audio' "${URL}"
+    [[ -z "$SLUG" ]] && fail-attr 'slug' "${URL}"
+
+    TITLE_SLUG="$(slugify "$TITLE")"
+    if [[ "$SLUG" != "$TITLE_SLUG" ]]; then
+      red "slug and title don't match."
+      red "slug:       '$SLUG'"
+      red "title slug: '$TITLE_SLUG'"
+      exit 1
+    fi
+
     for audiofmt in flac ogg; do
       DATE="$(get-date "$F")"
       URL_BASENAME="$(basename "$(get-url "$F")")"
-      AUDIO="resources/podcasts/$LLANG/${DATE}-${REF}.$audiofmt"
+      AUDIO="resources/podcasts/${DATE}-${SLUG}.$audiofmt"
       if [[ ! -f "$AUDIO" ]]; then
         red "Missing audio file '$AUDIO'."
         exit 1
       fi
     done
+
+    TRACKERS='-a udp://tracker.coppersurfer.tk:6969/announce -a udp://tracker.ccc.de:80/announce -a udp://tracker.publicbt.com:80 -a udp://tracker.istole.it:80 -a http://tracker.openbittorrent.com:80/announce -a http://tracker.ipv6tracker.org:80/announce'
+
+    for audiofmt in ogg; do
+      OGG="resources/podcasts/$DATE-$SLUG.ogg"
+      TORRENT="$OGG.torrent"
+      WEBSEED="https://euandre.org/$OGG"
+      if [ ! -f "$TORRENT" ]; then
+        yellow "Missing torrent $TORRENT, generating..."
+        mktorrent $TRACKERS                            \
+                  -f                                   \
+                  -v                                   \
+                  -d                                   \
+                  -c "$(cat _podcasts/$DATE-$SLUG.md)" \
+                  -n "$TITLE.ogg"                      \
+                  -w "$WEBSEED"                        \
+                  -o "$TORRENT"                        \
+                  "$OGG"
+      fi
+    done
   fi
 
   if [[ "$DESIRED_LAYOUT" != 'page' ]]; then
diff --git a/site.json b/site.json
index 14adec7..66dac32 100644
--- a/site.json
+++ b/site.json
@@ -112,9 +112,9 @@
         "ref": "{{ podcast.ref }}",
         "layout": "{{ podcast.layout }}",
         "content": {{ podcast.content | strip_html | jsonify }},
-        "audio": "{{ podcast.audio }}"
+        "audio": "{{ podcast.audio }}",
+        "slug": "{{ podcast.slug }}"
       }{% unless forloop.last %},{% endunless %}
     {% endfor %}
-
   ]
 }