add: 点赞、收藏功能补充

cloudroam

2025-06-11 fb514e661e644bc40dba3d2413a64ff5e86bf6be

 src/main/java/com/mzl/flower/service/film/impl/FilmLikesServiceImpl.java

@@ -2,6 +2,7 @@

import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.mzl.flower.config.exception.ValidationException;
import com.mzl.flower.config.security.SecurityUtils;
import com.mzl.flower.dto.request.film.FilmLikesDTO;
import com.mzl.flower.dto.request.film.FilmLikesQueryDTO;
import com.mzl.flower.dto.response.film.FilmLikesVO;
@@ -40,20 +41,32 @@

    @Override
    public Boolean updateFilmLikes(FilmLikesDTO filmLikesDTO) {
        LocalDateTime now = LocalDateTime.now();

        // 没有，新增
        FilmLikes filmLikes = null;
        if (filmLikesDTO == null) {
        FilmLikes filmLikes = filmLikesMapper.getFilmLikesByfilmIdAndCreateBy(filmLikesDTO.getFilmId(), SecurityUtils.getUserId());
        if (filmLikes == null) {
            filmLikes = new FilmLikes();
            filmLikes.setFilmId(filmLikesDTO.getFilmId());
            filmLikes.setStatus(true);
            filmLikes.setCreateBy(SecurityUtils.getUserId());
            if (filmLikesMapper.insert(filmLikes) <= 0) {
                throw new ValidationException("添加评论点赞失败");
            }
        } else {
            // 状态取反
            filmLikesDTO.setStatus(!filmLikesDTO.getStatus());
            if (filmLikesMapper.updateById(filmLikes) <= 0) {
            filmLikes.setStatus(!filmLikes.getStatus());
            filmLikes.update(SecurityUtils.getUserId());

            // 校验主键是否存在
            if (filmLikes.getId() == null) {
                throw new ValidationException("主键 ID 不能为空");
            }
            int affectedRows = filmLikesMapper.updateStatusById(
                    filmLikes.getId(),         // 确保 id 是 Long 类型
                    filmLikes.getStatus(),
                    SecurityUtils.getUserId()  // 更新人
            );
            if (affectedRows <= 0) {
                throw new ValidationException("更新评论点赞状态失败");
            }
        }