Victor_Jay
db2f9206be
- ListFollowers/ListFollowing 中 JOIN users 表使用了 u.id，但 users 表主键列名为 uid - 导致关注/粉丝列表查不到数据，列表为空但与计数器不一致
116 lines
3.6 KiB
Go
116 lines
3.6 KiB
Go
package repository
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import (
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"metazone.cc/metalab/internal/model"
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"metazone.cc/metalab/internal/service"
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"gorm.io/gorm"
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)
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// FollowRepo 关注数据访问
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type FollowRepo struct {
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db *gorm.DB
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}
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// NewFollowRepo 构造函数
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func NewFollowRepo(db *gorm.DB) *FollowRepo {
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return &FollowRepo{db: db}
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}
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// WithTx 基于事务连接创建 FollowRepo
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func (r *FollowRepo) WithTx(tx *gorm.DB) service.FollowStore {
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return &FollowRepo{db: tx}
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}
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// Create 创建关注
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func (r *FollowRepo) Create(follow *model.UserFollow) error {
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return r.db.Create(follow).Error
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}
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// Delete 取消关注
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func (r *FollowRepo) Delete(followerID, followeeID uint) error {
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return r.db.Where("follower_id = ? AND followee_id = ?", followerID, followeeID).
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Delete(&model.UserFollow{}).Error
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}
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// Exists 检查是否已关注
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func (r *FollowRepo) Exists(followerID, followeeID uint) (bool, error) {
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var count int64
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err := r.db.Model(&model.UserFollow{}).
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Where("follower_id = ? AND followee_id = ?", followerID, followeeID).
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Count(&count).Error
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return count > 0, err
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}
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// CountFollowers 粉丝数
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func (r *FollowRepo) CountFollowers(userID uint) (int64, error) {
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var count int64
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err := r.db.Model(&model.UserFollow{}).Where("followee_id = ?", userID).Count(&count).Error
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return count, err
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}
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// CountFollowing 关注数
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func (r *FollowRepo) CountFollowing(userID uint) (int64, error) {
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var count int64
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err := r.db.Model(&model.UserFollow{}).Where("follower_id = ?", userID).Count(&count).Error
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return count, err
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}
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// ListFollowers 粉丝列表（分页，JOIN users 获取用户名）
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func (r *FollowRepo) ListFollowers(userID uint, offset, limit int) ([]model.UserFollow, int64, error) {
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var total int64
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if err := r.db.Model(&model.UserFollow{}).Where("followee_id = ?", userID).Count(&total).Error; err != nil {
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return nil, 0, err
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}
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var items []model.UserFollow
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err := r.db.Table("user_follows").
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Select("user_follows.*, u.username AS follower_username").
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Joins("INNER JOIN users u ON u.uid = user_follows.follower_id").
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Where("user_follows.followee_id = ?", userID).
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Order("user_follows.created_at DESC").
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Offset(offset).Limit(limit).
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Scan(&items).Error
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return items, total, err
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}
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// ListFollowing 关注列表（分页，JOIN users 获取用户名）
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func (r *FollowRepo) ListFollowing(userID uint, offset, limit int) ([]model.UserFollow, int64, error) {
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var total int64
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if err := r.db.Model(&model.UserFollow{}).Where("follower_id = ?", userID).Count(&total).Error; err != nil {
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return nil, 0, err
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}
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var items []model.UserFollow
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err := r.db.Table("user_follows").
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Select("user_follows.*, u.username AS followee_username").
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Joins("INNER JOIN users u ON u.uid = user_follows.followee_id").
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Where("user_follows.follower_id = ?", userID).
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Order("user_follows.created_at DESC").
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Offset(offset).Limit(limit).
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Scan(&items).Error
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return items, total, err
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}
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// IncrFollowersCount 原子增减粉丝数
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func (r *FollowRepo) IncrFollowersCount(userID uint, delta int) error {
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return r.db.Model(&model.User{}).
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Where("uid = ?", userID).
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UpdateColumn("followers_count", gorm.Expr("followers_count + ?", delta)).Error
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}
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// IncrFollowingCount 原子增减关注数
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func (r *FollowRepo) IncrFollowingCount(userID uint, delta int) error {
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return r.db.Model(&model.User{}).
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Where("uid = ?", userID).
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UpdateColumn("following_count", gorm.Expr("following_count + ?", delta)).Error
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}
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// GetFollowListPublic 查询用户关注列表公开性
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func (r *FollowRepo) GetFollowListPublic(userID uint) (bool, error) {
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var listPublic bool
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err := r.db.Model(&model.User{}).
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Select("follow_list_public").
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Where("uid = ?", userID).
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Scan(&listPublic).Error
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return listPublic, err
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}
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