1 files changed, 140 insertions, 0 deletions
diff --git a/www/framework/default.nix b/www/framework/default.nix
new file mode 100644
index 0000000..0cc9049
--- /dev/null
+++ b/www/framework/default.nix
@@ -0,0 +1,140 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+let
+  inherit (lib) mkOption types;
+in
+{
+  imports =
+    with lib.fileset;
+    toList (difference (fileFilter (file: file.hasExt "nix") ./.) ./default.nix);
+
+  options = {
+    types = mkOption {
+      description = "Datentypen für Website-Inhalte";
+      type = with types; lazyAttrsOf deferredModule;
+      default = { };
+    };
+
+    title = mkOption {
+      description = "Titel, der bei allen Seiten vorangestellt wird";
+      type = types.singleLineStr;
+      readOnly = true;
+    };
+
+    files = mkOption {
+      description = ''
+        Dateien, aus denen die Website besteht, als Abbildung vom Dateipfad zum Inhalt
+      '';
+      type = with types; attrsOf (either path (submodule config.types.file));
+    };
+
+    redirects.raw = mkOption {
+      description = ''
+        Weiterleitungen aller historischen Dateipfade auf Kanonische Pfade
+      '';
+      type = with types; lazyAttrsOf str;
+      readOnly = true;
+      default =
+        with lib;
+        listToAttrs (
+          concatMap (
+            name:
+            if config.files.${name} ? locations then
+              map (loc: {
+                name = "/" + loc;
+                value = "/" + name;
+              }) (tail config.files.${name}.locations)
+            else
+              [ ]
+          ) (attrNames config.files)
+        );
+    };
+
+    redirects.caddy = mkOption {
+      description = ''
+        Weiterleitungen im Caddyfile-Format
+      '';
+      type = types.str;
+      readOnly = true;
+      default =
+        with lib;
+        let
+          lines = mapAttrsToList (name: value: ''redir "${name}" ${value} permanent'') config.redirects.raw;
+        in
+        concatStringsSep "\n" lines;
+    };
+
+    result = mkOption {
+      description = ''
+        Fertige Website als Verzeichnis
+      '';
+      type = types.package;
+      readOnly = true;
+      default =
+        let
+          script = ''
+            mkdir $out
+          ''
+          + lib.concatStringsSep "\n" copy;
+          copy = lib.mapAttrsToList (
+            path: file:
+            let
+              content = if file ? path then file.path else file;
+            in
+            ''
+              mkdir -p $out/$(dirname '${toString path}')
+              ${
+                "" # `--no-preserve-mode` ist erforderlich da Nix store paths read-only sind, und man andernfalls `cp -r` nicht durchführen kann.
+              }cp -r --no-preserve=mode ${content} $out/'${toString path}'
+            ''
+          ) config.files;
+        in
+        pkgs.runCommand "source" { } script;
+    };
+  };
+
+  config.types.document =
+    { lib, ... }:
+    let
+      inherit (lib) mkOption types;
+    in
+    {
+      options = {
+        locations = mkOption {
+          description = ''
+            Frühere Pfade dieses Dokuments
+
+            Einträge sind relative Pfade.
+            Der erste Eintrag ist der kanonische Pfad.
+            Alle anderen Elemente werden für Weiterleitungen zum kanonischen Pfad benutzt.
+          '';
+          type = with types; nonEmptyListOf str;
+          example = [
+            "about/overview"
+            "index"
+          ];
+        };
+      };
+    };
+
+  config.types.file =
+    { lib, ... }:
+    let
+      inherit (lib) mkOption types;
+    in
+    {
+      imports = [ config.types.document ];
+      options = {
+        path = mkOption {
+          type = types.path;
+          description = ''
+            Datei mit manuell gesteuertem Pfad
+          '';
+        };
+      };
+    };
+}