Add: support feedback

pkg/database/method_feedback.go

@@ -0,0 +1,32 @@
+package database
+
+func (database *Database) InsertFeedback(time int64, content string, userID int64, header string) error {
+	_, err := database.stmt.insertFeedback.Exec(time, content, userID, header)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func (database *Database) GetFeedbacks() ([]*Feedback, error) {
+	rows, err := database.stmt.getFeedbacks.Query()
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	feedbacks := make([]*Feedback, 0)
+	for rows.Next() {
+		feedback := &Feedback{
+			User: &User{},
+		}
+		err := rows.Scan(
+			&feedback.ID, &feedback.Time, &feedback.Content, &feedback.Header,
+			&feedback.User.ID, &feedback.User.Username, &feedback.User.Role, &feedback.User.Active, &feedback.User.AvatarId)
+		if err != nil {
+			return nil, err
+		}
+		feedbacks = append(feedbacks, feedback)
+	}
+	return feedbacks, nil
+}