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feat: add post like

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Krispire Admin
2026-06-09 16:28:40 +05:30
parent da2bbc323d
commit e9299051f5
12 changed files with 658 additions and 8 deletions
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internal/repository/social_graph_repo.go
+27 -2
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@@ -319,7 +319,8 @@ func (r *NotificationRepo) Create(ctx context.Context, userID string, actorID *s
// notifications or since-deleted actors).
func (r *NotificationRepo) ListByUser(ctx context.Context, userID string, limit, offset int) ([]model.Notification, error) {
rows, err := r.pg.Pool.Query(ctx, `
SELECT n.id, n.user_id, n.actor_id, n.kind, n.created_at, n.read_at,
SELECT n.id, n.user_id, n.actor_id, n.kind, n.post_id, n.actor_count,
n.created_at, n.read_at,
u.name, u.handle, u.avatar_url
FROM notifications n
LEFT JOIN users u ON u.id = n.actor_id
@@ -334,7 +335,8 @@ func (r *NotificationRepo) ListByUser(ctx context.Context, userID string, limit,
out := []model.Notification{}
for rows.Next() {
var n model.Notification
if err := rows.Scan(&n.ID, &n.UserID, &n.ActorID, &n.Kind, &n.CreatedAt, &n.ReadAt,
if err := rows.Scan(&n.ID, &n.UserID, &n.ActorID, &n.Kind, &n.PostID, &n.ActorCount,
&n.CreatedAt, &n.ReadAt,
&n.ActorName, &n.ActorHandle, &n.ActorAvatar); err != nil {
return nil, fmt.Errorf("scan notification: %w", err)
}
@@ -343,6 +345,29 @@ func (r *NotificationRepo) ListByUser(ctx context.Context, userID string, limit,
return out, rows.Err()
}
// UpsertLike records (or aggregates) a like notification: one row per
// (recipient, post). On a repeat like it refreshes the most-recent actor,
// bumps actor_count, and re-marks the row unread + most-recent. Returns the
// new actor_count.
func (r *NotificationRepo) UpsertLike(ctx context.Context, userID, actorID, postID string) (int, error) {
var count int
err := r.pg.Pool.QueryRow(ctx, `
INSERT INTO notifications (user_id, actor_id, kind, post_id, actor_count)
VALUES ($1, $2, 'post_like', $3, 1)
ON CONFLICT (user_id, post_id) WHERE kind = 'post_like'
DO UPDATE SET actor_id = EXCLUDED.actor_id,
actor_count = notifications.actor_count + 1,
read_at = NULL,
created_at = now()
RETURNING actor_count`,
userID, actorID, postID,
).Scan(&count)
if err != nil {
return 0, fmt.Errorf("upsert like notification: %w", err)
}
return count, nil
}
// CountUnread returns how many of a recipient's notifications are unread.
func (r *NotificationRepo) CountUnread(ctx context.Context, userID string) (int, error) {
var n int