create SQL function for get citizen votes with multiple target ids

add updated_at field on vote table

src/main/resources/sql/functions/vote/find_citizen_votes_by_target_ids.sql

@@ -0,0 +1,32 @@
+create or replace function find_citizen_votes_by_target_ids(
+    _citizen_id uuid,
+    _ids uuid[],
+    _reference regclass default null,
+    out resource json
+) language plpgsql as
+$$
+begin
+    select
+        json_agg(t)
+    into resource
+    from (
+        select
+            v.*,
+            find_reference_by_id(v.target_id, _reference) as target,
+            find_citizen_by_id(v.created_by_id) as created_by
+
+        from vote as v
+
+        where
+            (_reference is null or _reference = target_reference)
+          and target_id = any(_ids)
+          and created_by_id = _citizen_id
+
+        order by
+            _ids
+        limit 100
+    ) as t;
+end;
+$$;
+
+-- drop function if exists find_citizen_votes_by_target_ids(uuid, uuid[], regclass);

src/main/resources/sql/functions/vote/vote.sql

@@ -7,25 +7,29 @@ begin
         values (_created_by_id, _target_id, _note, _anonymous)
         on conflict (created_by_id, target_id) do update set
           note = excluded.note,
-          anonymous = excluded.anonymous;
+          anonymous = excluded.anonymous,
+          updated_at = now();
     elseif reference = 'constitution'::regclass then
         insert into vote_for_constitution (created_by_id, target_id, note, anonymous)
         values (_created_by_id, _target_id, _note, _anonymous)
         on conflict (created_by_id, target_id) do update set
           note = excluded.note,
-          anonymous = excluded.anonymous;
+          anonymous = excluded.anonymous,
+          updated_at = now();
     elseif reference = 'comment_on_article'::regclass then
         insert into vote_for_comment_on_article (created_by_id, target_id, note, anonymous)
         values (_created_by_id, _target_id, _note, _anonymous)
         on conflict (created_by_id, target_id) do update set
           note = excluded.note,
-          anonymous = excluded.anonymous;
+          anonymous = excluded.anonymous,
+          updated_at = now();
     elseif reference = 'comment_on_constitution'::regclass then
         insert into vote_for_comment_on_constitution (created_by_id, target_id, note, anonymous)
         values (_created_by_id, _target_id, _note, _anonymous)
         on conflict (created_by_id, target_id) do update set
           note = excluded.note,
-          anonymous = excluded.anonymous;
+          anonymous = excluded.anonymous,
+          updated_at = now();
     else
         raise exception '% no implemented', reference::text;
     end if;

src/main/resources/sql/migrations/0000-init_schema.up.sql

@@ -450,8 +450,9 @@ execute procedure set_comment_parents_ids();
 
 create table vote
 (
-    anonymous boolean default true not null,
-    note      int                  not null check ( note >= -1 and note <= 1 ),
+    updated_at timestamptz default now() not null check ( updated_at >= created_at ),
+    anonymous  boolean     default true  not null,
+    note       int                       not null check ( note >= -1 and note <= 1 ),
     foreign key (created_by_id) references citizen (id),
     primary key (id),
     unique (created_by_id, target_id)