all database switched to repository model. some other fixes and features

database/psql/rp.go

@@ -25,7 +25,8 @@ type RPUser struct {
 	UserID         int64  `db:"user_id"`
 	UserPrompt     string `db:"user_prompt"`
 	SelectedPreset string `db:"selected_preset"`
-	UsedTokens     int64  `db:"used_tokens"`
+	Preset         *RPGeneralPreset
+	UsedTokens     int64 `db:"used_tokens"`
 }
 
 type RPRepository struct {
@@ -51,6 +52,10 @@ func (rep *RPRepository) CreateUser(id int64) (*RPUser, error) {
 func (rep *RPRepository) GetUser(id int64) (*RPUser, error) {
 	user := new(RPUser)
 	err := rep.db.Get(user, "SELECT * FROM rp_users WHERE user_id=$1", id)
+	if err != nil {
+		return user, err
+	}
+	user.Preset, err = rep.GetPreset(user.SelectedPreset)
 	return user, err
 }
 func (rep *RPRepository) UpdateUser(user *RPUser) error {