blog-duolingo.nix (1635B)
1 { pkgs, vars, ... }: 2 3 let 4 blog-duolingo = pkgs.writeShellScriptBin "blog-duolingo" '' 5 # variables 6 username="$(awk -F'[/()]' '/Duolingo/ {print $5}' "$HOME/vault/src/blog.${vars.user.domain}/content/about.md")" 7 post_file="$HOME/vault/src/blog.${vars.user.domain}/content/posts/logging-duolingo-ranks-over-time.md" 8 # functions 9 function lastmod { 10 echo -n "Amending lastmod value... " 11 mod_timestamp="$(date +%FT%H:%M:00)" 12 sed -i "s/lastmod: .*/lastmod: $mod_timestamp/g" "$1" 13 echo -e "$i \e[32mdone\e[39m" 14 } 15 # process 16 page_source="$(curl -s https://duome.eu/"$username")" 17 rank_streak="$(printf %s "$page_source" | grep -oP 'class="rank[^>]*><a[^>]*>#\K[0-9]+')" 18 # write 19 echo -e "$i \e[32mdone\e[39m" 20 echo -n "Appending ranks to page... " 21 sed -i '/<\/tbody><\/table>/d' "$post_file" 22 printf " <tr><td>%s</td><td>%s</td><td>%s</td><td></td></tr>\n</tbody></table>" "$(date +%F)" "$(date +%H:%M)" "$rank_streak" >>"$post_file" 23 echo -e "$i \e[32mdone\e[39m" 24 lastmod "$post_file" 25 ''; 26 in { 27 environment.systemPackages = [ blog-duolingo ]; 28 29 systemd.services.blog-duolingo = { 30 description = "Fetch and log Duolingo ranks to blog"; 31 serviceConfig = { 32 Type = "oneshot"; 33 User = vars.user.username; 34 ExecStart = "${blog-duolingo}/bin/blog-duolingo"; 35 Environment = "PATH=/run/current-system/sw/bin:/run/wrappers/bin"; 36 }; 37 }; 38 39 systemd.timers.blog-duolingo = { 40 description = "Run blog-duolingo every Sunday at 23:55"; 41 wantedBy = [ "timers.target" ]; 42 timerConfig = { 43 OnCalendar = "Sun *-*-* 23:55:00"; 44 Persistent = true; 45 }; 46 }; 47 }