1 files changed, 39 insertions, 0 deletions
diff --git a/modules/rss/utils.nix b/modules/rss/utils.nix
new file mode 100644
index 0000000..63d09df
--- /dev/null
+++ b/modules/rss/utils.nix
@@ -0,0 +1,39 @@
+{ pkgs, lib, ... }:
+with lib;
+let
+  outlineItem = feed:
+    ''<outline title="${feed.title}" text="${feed.title}" xmlUrl="${feed.url}" />'';
+
+  outlineGroup = group: items:
+    ''<outline title="${group}" text="${group}">
+      ${concatStringsSep "\n" (map outlineItem items)}
+    </outline>'';
+
+  toOpml = cfg: ''
+<?xml version="1.0" encoding="UTF-8"?>
+<opml version="1.1">
+  <head>
+    <title>
+      ${cfg.title}
+    </title>
+  </head>
+  <body>
+    ${concatStringsSep "\n" (mapAttrsToList outlineGroup cfg.groups)}
+  </body>
+</opml>'';
+
+  createYarrSetupScript = { username, api_key, api_url, feeds, settings }:
+    let
+      api = method: path: args:
+        ''curl -i -X${method} '${api_url}${path}' --cookie 'auth=${username}:${api_key}' ${args}'';
+      opmlFile = pkgs.writeText "rss.opml" (toOpml feeds);
+    in
+    pkgs.writeShellScriptBin "yarr-setup-script" ''
+      #!/usr/bin/env sh
+
+      ${api "POST" "/opml/import" "-F 'opml=@${opmlFile}' -F 'replace=true'"} && echo "Imported feeds";
+      ${api "PUT" "/api/settings" "--data '${builtins.toJSON settings}'"} && echo "Applied settings";
+    '';
+in {
+  inherit toOpml createYarrSetupScript;
+}