#55 Can be assign a role to members of my Workgroup

Remove Owner on Workgroup (use role MASTER instead)
"find_citizen_by_id" not return user anymore, use "find_citizen_by_id_with_user" instead

src/main/resources/sql/fixtures/03-workgroup.sql

@@ -2,27 +2,40 @@ do
 $$
 declare
     citizen_count int = (select count(*) from citizen);
+    _roles text[] = $roles$
+    {
+        "MANAGER", "EDITOR", "REPORTER"
+    }
+    $roles$;
 begin
     delete from citizen_in_workgroup;
     delete from workgroup;
 
-    insert into workgroup (id, created_by_id, name, description, anonymous, owner_id)
+    insert into workgroup (id, created_by_id, name, description, anonymous)
     select
         uuid_in(md5('workgroup'||rn::text)::cstring),
         z.id,
         'name' || rn,
         'description' || rn,
-        rn % 3 = 1,
-        z.id
+        rn % 3 = 1
     from (select *, row_number() over () rn from citizen) z;
 
-    insert into citizen_in_workgroup (citizen_id, workgroup_id)
+    insert into citizen_in_workgroup (citizen_id, workgroup_id, roles)
     select
         z.id,
-        w.id
+        w.id,
+        '{MASTER}'
     from (select *, row_number() over ()+5 % citizen_count rn from citizen) z
     join (select *, row_number() over () rn from workgroup) w using (rn);
 
+    insert into citizen_in_workgroup (citizen_id, workgroup_id, roles)
+    select
+        z.id,
+        w.id,
+        _roles[(row_number() over () % 3)+1:(row_number() over () % 3)+1]
+    from (select *, row_number() over ()+10 % citizen_count rn from citizen) z
+    join (select *, row_number() over () rn from workgroup) w using (rn);
+
     raise notice 'workgroup fixtures done';
 end;
 $$;