nitweb: add /api/inheritance/:id service

[nit.git] / src / web / web_base.nit

diff --git a/src/web/web_base.nit b/src/web/web_base.nit
index c84c784..0bdf0ad 100644 (file)
--- a/src/web/web_base.nit
+++ b/src/web/web_base.nit
@@ -241,3 +241,20 @@ end
 redef class MVirtualType
        redef var web_url = mproperty.web_url is lazy
 end
+
+redef class POSetElement[E]
+       super Jsonable
+
+       # Return JSON representation of `self`.
+       fun json: JsonObject do
+               assert self isa POSetElement[MEntity]
+               var obj = new JsonObject
+               obj["greaters"] = to_mentity_refs(greaters)
+               obj["direct_greaters"] = to_mentity_refs(direct_greaters)
+               obj["direct_smallers"] = to_mentity_refs(direct_smallers)
+               obj["smallers"] = to_mentity_refs(smallers)
+               return obj
+       end
+
+       redef fun to_json do return json.to_json
+end