1 files changed, 31 insertions, 0 deletions
diff --git a/apps/dreki_web/src/dreki_web_ui_index.erl b/apps/dreki_web/src/dreki_web_ui_index.erl
new file mode 100644
index 0000000..9f4684e
--- /dev/null
+++ b/apps/dreki_web/src/dreki_web_ui_index.erl
@@ -0,0 +1,31 @@
+-module(dreki_web_ui_index).
+-behaviour(cowboy_handler).
+-export([init/2]).
+
+init(Req = #{method := <<"GET">>}, State) ->
+  PrettyWorld = jsone:encode(dreki_world:to_map(), [canonical_form, {space, 1}, {indent, 4}]),
+  LocalTasksStores = dreki_tasks:local_stores(),
+  {ok, Peers} = partisan_peer_service:members(),
+  NavTree = nav_tree(dreki_world_dns:as_map()),
+  Html = dreki_web_ui:render(Req, index_dtl, [
+    {"page_title", "Admin UI"},
+    {"dreki_world_pretty_json", PrettyWorld},
+    {"dreki_local_tasks_stores", LocalTasksStores},
+    {"dreki_peers", Peers},
+    {"nav_tree", NavTree}
+  ]),
+  {ok, dreki_web_ui:reply_html(Req, 200, Html), State};
+init(Req, _) ->
+  dreki_web_ui_error:init(Req, #{code => 400, status => "Bad request"}).
+
+nav_tree(#{vertices := Vertices}) ->
+  nav_tree(Vertices, []).
+
+nav_tree([Region = #{type := region, name := Name, data := #{display_name := Display}} | Rest], Acc) ->
+  nav_tree(Rest, [Region#{href => <<"/admin/regions/", Name/binary>>, title => Display} | Acc]);
+nav_tree([Node = #{type := node, name := Name, data := #{display_name := Display}} | Rest], Acc) ->
+  nav_tree(Rest, [Node#{href => <<"/admin/nodes/", Name/binary>>, title => Display} | Acc]);
+nav_tree([#{type := Root} | Rest], Acc) ->
+  nav_tree(Rest, Acc);
+nav_tree([], Acc) ->
+  Acc.