Clean Citizen entities

Change plainPassword to just password
Add request Input for /login

src/main/resources/sql/functions/user/change_user_password.sql

@@ -2,7 +2,7 @@ create or replace function change_user_password(resource json) returns void lang
 $$
 begin
     update "user"
-    set password = crypt(resource->>'plain_password', gen_salt('bf', 8))
+    set password = crypt(resource->>'password', gen_salt('bf', 8))
     where id = (resource->>'id')::uuid;
 
     return;

src/main/resources/sql/functions/user/check_user.sql

@@ -1,7 +1,5 @@
-create or replace function check_user(in username text, in plain_password text, out resource json) language plpgsql as
+create or replace function check_user(in _username text, in _password text, out resource json) language plpgsql as
 $$
-declare
-    _username alias for username;
 begin
     select
        case when count(u) = 1
@@ -10,7 +8,7 @@ begin
     into resource
     from "user" as u
     where u.username = lower(_username)
-      and u.password = crypt(plain_password, u.password)
+      and u.password = crypt(_password, u.password)
     group by u;
 end;
 $$;

src/main/resources/sql/functions/user/insert_user.sql

@@ -7,7 +7,7 @@ begin
     select
         coalesce(t.id, uuid_generate_v4()),
         t.username,
-        crypt(resource->>'plain_password', gen_salt('bf', 8)),
+        crypt(resource->>'password', gen_salt('bf', 8)),
         case when t.blocked_at is not null then now() else null end,
         t.roles
     from json_populate_record(null::"user", resource) t