iu
50dff63ece
- rename Go module, binary, systemd unit, PG_DATABASE default, frontend package and docs from shared-album to galo - add theme-aware halo emblem and favicon (new ui-branding capability) - add make build-release (versioned, stripped, static binary) and run the binary from the repo root
92 lines
2.4 KiB
Go
92 lines
2.4 KiB
Go
package social
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import (
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"context"
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"errors"
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"github.com/jackc/pgx/v5"
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"github.com/jackc/pgx/v5/pgxpool"
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"galo/internal/models"
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)
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var ErrNotFound = errors.New("not found")
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type Store struct {
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pool *pgxpool.Pool
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}
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func NewStore(pool *pgxpool.Pool) *Store { return &Store{pool: pool} }
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func (s *Store) Like(ctx context.Context, photoID, userID string) error {
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_, err := s.pool.Exec(ctx,
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`INSERT INTO likes (photo_id, user_id) VALUES ($1, $2)
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ON CONFLICT (photo_id, user_id) DO NOTHING`, photoID, userID)
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return err
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}
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func (s *Store) Unlike(ctx context.Context, photoID, userID string) error {
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_, err := s.pool.Exec(ctx,
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`DELETE FROM likes WHERE photo_id = $1 AND user_id = $2`, photoID, userID)
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return err
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}
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func (s *Store) CreateComment(ctx context.Context, c *models.Comment) error {
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return s.pool.QueryRow(ctx,
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`INSERT INTO comments (id, photo_id, user_id, text)
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VALUES ($1, $2, $3, $4)
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RETURNING created_at, updated_at`,
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c.ID, c.PhotoID, c.UserID, c.Text,
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).Scan(&c.CreatedAt, &c.UpdatedAt)
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}
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func (s *Store) ListComments(ctx context.Context, photoID string) ([]models.Comment, error) {
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rows, err := s.pool.Query(ctx,
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`SELECT c.id, c.photo_id, c.user_id, c.text, c.created_at, c.updated_at,
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u.id, u.name, COALESCE(u.avatar_url, '')
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FROM comments c
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JOIN users u ON u.id = c.user_id
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WHERE c.photo_id = $1
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ORDER BY c.created_at`, photoID)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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out := []models.Comment{}
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for rows.Next() {
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var c models.Comment
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if err := rows.Scan(&c.ID, &c.PhotoID, &c.UserID, &c.Text, &c.CreatedAt, &c.UpdatedAt,
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&c.User.ID, &c.User.Name, &c.User.AvatarURL); err != nil {
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return nil, err
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}
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out = append(out, c)
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}
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return out, rows.Err()
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}
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func (s *Store) GetComment(ctx context.Context, id string) (*models.Comment, error) {
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var c models.Comment
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err := s.pool.QueryRow(ctx,
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`SELECT id, photo_id, user_id, text, created_at, updated_at FROM comments WHERE id = $1`, id).
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Scan(&c.ID, &c.PhotoID, &c.UserID, &c.Text, &c.CreatedAt, &c.UpdatedAt)
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if err != nil {
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if errors.Is(err, pgx.ErrNoRows) {
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return nil, ErrNotFound
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}
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return nil, err
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}
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return &c, nil
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}
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func (s *Store) DeleteComment(ctx context.Context, id string) error {
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tag, err := s.pool.Exec(ctx, `DELETE FROM comments WHERE id = $1`, id)
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if err != nil {
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return err
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}
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if tag.RowsAffected() == 0 {
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return ErrNotFound
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}
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return nil
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}
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