add event content type

website/structure/event.nix

@@ -0,0 +1,81 @@
+{ config, options, lib, ... }:
+let
+  inherit (lib)
+    mkOption
+    types
+    ;
+  cfg = config;
+in
+{
+  content-types.event = { config, collection, ... }: {
+    imports = [ cfg.content-types.page ];
+    options = {
+      collection = mkOption {
+        description = "Collection this event belongs to";
+        type = options.collections.type.nestedTypes.elemType;
+        default = collection;
+      };
+      start-date = mkOption {
+        description = "Start date of the event";
+        type = with types; str;
+      };
+      start-time = mkOption {
+        description = "Start time of the event";
+        type = with types; str;
+        default = null;
+      };
+      end-date = mkOption {
+        description = "End date of the event";
+        type = with types; str;
+        default = null;
+      };
+      end-time = mkOption {
+        description = "End time of the event";
+        type = with types; str;
+        default = null;
+      };
+      location = mkOption {
+        description = "Location of the event";
+        type = with types; str;
+      };
+    };
+    config.name = lib.slug config.title;
+    config.summary = lib.mkDefault config.description;
+    config.outputs.html = lib.mkForce
+      ((cfg.templates.html.page config).override (final: prev: {
+        html.body.content = with lib; map
+          (e:
+            if isAttrs e && e ? section
+            then
+              recursiveUpdate e
+                {
+                  section.content = [
+                    {
+                      dl.content = [
+                        {
+                          terms = [{ dt = "Location"; }];
+                          descriptions = [{ dd = config.location; }];
+                        }
+                        {
+                          terms = [{ dt = "Start"; }];
+                          descriptions = [{
+                            dd = config.start-date + lib.optionalString (!isNull config.start-time) " ${config.start-time}";
+                          }];
+                        }
+                      ] ++ lib.optional (!isNull config.end-date) {
+                        terms = [{ dt = "End"; }];
+                        descriptions = [{
+                          dd = config.end-date + lib.optionalString (!isNull config.end-time) " ${config.end-time}";
+                        }];
+                      };
+                    }
+                  ]
+                  ++ e.section.content;
+                }
+            else e
+          )
+          prev.html.body.content;
+
+      }));
+  };
+}