97 lines
3.2 KiB
Go
97 lines
3.2 KiB
Go
package repository
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import (
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"context"
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"errors"
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"fmt"
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"strings"
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"github.com/jackc/pgx/v5"
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"github.com/prabhupadasays/spsays-bff/internal/model"
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)
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var ErrBookmarkNotFound = errors.New("bookmark not found")
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var ErrBookmarkExists = errors.New("bookmark already exists for this URL")
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type BookmarkRepo struct{ pg *Postgres }
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func NewBookmarkRepo(pg *Postgres) *BookmarkRepo { return &BookmarkRepo{pg: pg} }
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// Create inserts a new bookmark. ErrBookmarkExists on (user_id, source_url) collision.
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func (r *BookmarkRepo) Create(ctx context.Context, userID, sourceURL, sourceTitle string, excerpt, note *string) (*model.Bookmark, error) {
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b := &model.Bookmark{}
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err := r.pg.Pool.QueryRow(ctx, `
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INSERT INTO bookmarks (user_id, source_url, source_title, excerpt, note)
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VALUES ($1, $2, $3, $4, $5)
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RETURNING id, user_id, source_url, COALESCE(source_title, ''), excerpt, note, created_at`,
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userID, sourceURL, sourceTitle, excerpt, note,
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).Scan(&b.ID, &b.UserID, &b.SourceURL, &b.SourceTitle, &b.Excerpt, &b.Note, &b.CreatedAt)
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if err != nil {
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if strings.Contains(err.Error(), "23505") {
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return nil, ErrBookmarkExists
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}
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return nil, fmt.Errorf("create bookmark: %w", err)
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}
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return b, nil
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}
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// ListByUser returns all bookmarks for the caller, newest first.
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func (r *BookmarkRepo) ListByUser(ctx context.Context, userID string) ([]model.Bookmark, error) {
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rows, err := r.pg.Pool.Query(ctx, `
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SELECT id, user_id, source_url, COALESCE(source_title, ''), excerpt, note, created_at
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FROM bookmarks WHERE user_id = $1 ORDER BY created_at DESC`, userID)
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if err != nil {
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return nil, fmt.Errorf("query bookmarks: %w", err)
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}
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defer rows.Close()
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out := []model.Bookmark{}
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for rows.Next() {
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var b model.Bookmark
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if err := rows.Scan(&b.ID, &b.UserID, &b.SourceURL, &b.SourceTitle,
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&b.Excerpt, &b.Note, &b.CreatedAt); err != nil {
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return nil, fmt.Errorf("scan bookmark: %w", err)
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}
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out = append(out, b)
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}
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return out, rows.Err()
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}
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// CountByUser is used by the plan-limit enforcer.
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func (r *BookmarkRepo) CountByUser(ctx context.Context, userID string) (int, error) {
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var n int
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err := r.pg.Pool.QueryRow(ctx, `SELECT COUNT(*) FROM bookmarks WHERE user_id = $1`, userID).Scan(&n)
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if err != nil {
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return 0, fmt.Errorf("count bookmarks: %w", err)
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}
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return n, nil
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}
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// Delete removes a bookmark belonging to the caller.
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func (r *BookmarkRepo) Delete(ctx context.Context, id, userID string) error {
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tag, err := r.pg.Pool.Exec(ctx,
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`DELETE FROM bookmarks WHERE id = $1 AND user_id = $2`, id, userID)
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if err != nil {
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return fmt.Errorf("delete bookmark: %w", err)
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}
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if tag.RowsAffected() == 0 {
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return ErrBookmarkNotFound
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}
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return nil
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}
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// FindByID returns one bookmark (used for the owner-check path).
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func (r *BookmarkRepo) FindByID(ctx context.Context, id string) (*model.Bookmark, error) {
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b := &model.Bookmark{}
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err := r.pg.Pool.QueryRow(ctx, `
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SELECT id, user_id, source_url, COALESCE(source_title, ''), excerpt, note, created_at
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FROM bookmarks WHERE id = $1`, id,
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).Scan(&b.ID, &b.UserID, &b.SourceURL, &b.SourceTitle, &b.Excerpt, &b.Note, &b.CreatedAt)
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if err != nil {
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if errors.Is(err, pgx.ErrNoRows) {
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return nil, ErrBookmarkNotFound
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}
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return nil, fmt.Errorf("find bookmark: %w", err)
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}
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return b, nil
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}
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