77 lines
1.5 KiB
Go
77 lines
1.5 KiB
Go
package rpsrepo
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import (
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"context"
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"database/sql"
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)
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type Repo struct {
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db *sql.DB
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}
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func NewRepo(db *sql.DB) *Repo {
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return &Repo{db: db}
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}
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func (r *Repo) GetScore(ctx context.Context, guildID int64, userID int64) (int, bool, error) {
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var score int
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err := r.db.QueryRowContext(ctx, `
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SELECT score
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FROM rps
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WHERE guild_id = $1 AND user_id = $2
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`, guildID, userID).Scan(&score)
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if err == sql.ErrNoRows {
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return 0, false, nil
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}
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if err != nil {
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return 0, false, err
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}
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return score, true, nil
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}
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func (r *Repo) SetScore(ctx context.Context, guildID int64, userID int64, score int) error {
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_, err := r.db.ExecContext(ctx, `
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INSERT INTO rps (guild_id, user_id, score)
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VALUES ($1, $2, $3)
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ON CONFLICT (guild_id, user_id)
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DO UPDATE SET score = EXCLUDED.score
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`, guildID, userID, score)
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return err
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}
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type ScoreEntry struct {
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UserID int64
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Score int
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}
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func (r *Repo) TopScores(ctx context.Context, guildID int64, limit int) ([]ScoreEntry, error) {
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if limit <= 0 {
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limit = 10
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}
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rows, err := r.db.QueryContext(ctx, `
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SELECT user_id, score
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FROM rps
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WHERE guild_id = $1
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ORDER BY score DESC, user_id ASC
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LIMIT $2
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`, guildID, limit)
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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 := make([]ScoreEntry, 0, limit)
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for rows.Next() {
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var e ScoreEntry
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if err := rows.Scan(&e.UserID, &e.Score); err != nil {
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return nil, err
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}
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out = append(out, e)
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}
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if err := rows.Err(); err != nil {
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return nil, err
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}
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return out, nil
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}
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