grav interation

apps/api/app/controllers/api/wiki_controller.rb

@@ -0,0 +1,10 @@
+class Api::WikiController < ApiController
+  # GET /api/wiki/pages?tag=blog|howto[&limit=30][&body=1]
+  def index
+    render json: WikiService.new.pages(
+      tag:   params[:tag],
+      limit: params[:limit],
+      body:  params[:body]
+    )
+  end
+end

apps/api/app/services/wiki_service.rb

@@ -0,0 +1,46 @@
+require "net/http"
+require "json"
+
+# Fetches wiki pages (blog, howto, …) from the Grav backend, filtered by tag.
+#
+# Grav exposes:  GET {WIKI_GRAV_URL}/api/pages.json?tag=<tag>[&limit=<n>][&body=1]
+# and returns:
+#   {
+#     "tag": "howto", "count": 24,
+#     "pages": [
+#       { "id", "path", "title", "description",
+#         "createdAt", "updatedAt", "locale", "route", "tags",
+#         # with body=1 also:
+#         "render"  (rendered HTML),
+#         "content" (raw markdown) }
+#     ]
+#   }
+#
+# This replaces the frontend's direct WikiJS GraphQL calls with a simple GET,
+# and points at Grav (which is taking over from wiki.teletypegames.org).
+class WikiService
+  GRAV_URL = ENV.fetch("WIKI_GRAV_URL", "http://localhost:8080").freeze
+
+  def pages(tag:, limit: nil, body: nil)
+    query = { tag: tag }
+    query[:limit] = limit if limit.present?
+    query[:body]  = body  if body.present?
+
+    uri = URI.parse("#{GRAV_URL}/api/pages.json")
+    uri.query = URI.encode_www_form(query)
+
+    response = Net::HTTP.start(
+      uri.host, uri.port,
+      use_ssl: uri.scheme == "https",
+      open_timeout: 5, read_timeout: 10
+    ) { |http| http.get(uri.request_uri) }
+
+    unless response.is_a?(Net::HTTPSuccess)
+      return { "tag" => tag, "count" => 0, "pages" => [], "error" => "grav responded #{response.code}" }
+    end
+
+    JSON.parse(response.body)
+  rescue StandardError => e
+    { "tag" => tag, "count" => 0, "pages" => [], "error" => e.message }
+  end
+end