Add opinion on find_article_by_id & find_articles request

create request for find_citizen_opinions_by_target_id
create fixture for opinions

src/main/resources/sql/functions/opinion/count_opinion.sql

@@ -3,7 +3,7 @@ create or replace function count_opinion(_target_id uuid, out resource json)
 $$
 declare
     agg jsonb;
-    empty jsonb = '[]'::jsonb;
+    empty jsonb = '{}'::jsonb;
 begin
     select jsonb_object_agg(t.label, t.total)
     into agg
@@ -18,10 +18,10 @@ begin
         order by ol.name
     ) t;
 
-    resource = empty || coalesce(agg, empty);
+    resource = coalesce(agg, empty);
 end;
 $$;
 
 -- drop function if exists count_opinion(uuid);
 
--- select * from count_opinion('ced1563f-ecf5-4f11-8518-8aeceff3c13a');
+-- select * from count_opinion('d91aa0cd-61d6-83cc-41bb-8d5656e130f7');

src/main/resources/sql/functions/opinion/find_citizen_opinions_by_target_id.sql

@@ -0,0 +1,28 @@
+create or replace function find_citizen_opinions_by_target_id(
+    _citizen_id uuid,
+    _id uuid,
+    out resource json
+) language plpgsql as
+$$
+begin
+    select
+        json_agg(t)
+    into resource
+    from (
+        select
+            o.*,
+            ol.name
+        from opinion as o
+        join opinion_list ol on o.opinion = ol.id
+
+        where target_id = _id
+          and created_by_id = _citizen_id
+
+        order by
+            ol.name
+        limit 100
+    ) as t;
+end;
+$$;
+
+-- drop function if exists find_citizen_votes_by_target_ids(uuid, uuid[], regclass);

src/main/resources/sql/functions/opinion/find_citizen_opinions_by_target_ids.sql

@@ -0,0 +1,18 @@
+create or replace function find_citizen_opinions_by_target_ids(
+    _citizen_id uuid,
+    _ids uuid[],
+    out resource json
+) language plpgsql as
+$$
+begin
+        select
+            jsonb_agg(find_citizen_opinions_by_target_id(_citizen_id, o)) into resource
+        from unnest(_ids) o
+
+        order by
+            _ids
+        limit 100;
+end;
+$$;
+
+-- drop function if exists find_citizen_votes_by_target_ids(uuid, uuid[], regclass);