#60 Can follow citizen

src/main/resources/sql/functions/follow/find_follows_citizen_by_citizen.sql

@@ -0,0 +1,24 @@
+create or replace function find_follows_citizen_by_citizen(
+    _created_by_id uuid,
+    "limit" int default 50,
+    "offset" int default 0,
+    out resource json,
+    out total int
+) language plpgsql as
+$$
+begin
+    select json_agg(t), (select count(id) from follow)
+    into resource, total
+    from (
+        select
+            f.*,
+            find_citizen_by_id_with_user(f.target_id) as target,
+            find_citizen_by_id_with_user(f.created_by_id) as created_by
+        from follow as f
+        where created_by_id = _created_by_id
+        order by created_at desc,
+        f.created_at desc
+        limit "limit" offset "offset"
+    ) as t;
+end;
+$$;