Nathan Coad
f2d6b3158b
All checks were successful
continuous-integration/drone/push Build is passing
80 lines
1.8 KiB
Go
80 lines
1.8 KiB
Go
package db
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import (
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"context"
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"database/sql"
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"fmt"
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"log/slog"
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"regexp"
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"strings"
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"vctp/db/queries"
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_ "github.com/jackc/pgx/v5/stdlib"
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"github.com/jmoiron/sqlx"
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)
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type PostgresDB struct {
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logger *slog.Logger
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db *sqlx.DB
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queries *queries.Queries
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}
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var _ Database = (*PostgresDB)(nil)
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func (d *PostgresDB) DB() *sqlx.DB {
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return d.db
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}
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func (d *PostgresDB) Queries() Querier {
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return d.queries
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}
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func (d *PostgresDB) Logger() *slog.Logger {
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return d.logger
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}
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func (d *PostgresDB) Close() error {
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return d.db.Close()
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}
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func newPostgresDB(logger *slog.Logger, dsn string) (*PostgresDB, error) {
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if strings.TrimSpace(dsn) == "" {
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return nil, fmt.Errorf("postgres DSN is required")
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}
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db, err := sqlx.Open("pgx", dsn)
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if err != nil {
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return nil, err
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}
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db.SetMaxOpenConns(10)
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rebindDB := rebindDBTX{db: db}
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return &PostgresDB{logger: logger, db: db, queries: queries.New(rebindDB)}, nil
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}
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type rebindDBTX struct {
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db *sqlx.DB
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}
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func (r rebindDBTX) ExecContext(ctx context.Context, query string, args ...any) (sql.Result, error) {
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return r.db.ExecContext(ctx, rebindQuery(query), args...)
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}
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func (r rebindDBTX) PrepareContext(ctx context.Context, query string) (*sql.Stmt, error) {
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return r.db.PrepareContext(ctx, rebindQuery(query))
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}
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func (r rebindDBTX) QueryContext(ctx context.Context, query string, args ...any) (*sql.Rows, error) {
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return r.db.QueryContext(ctx, rebindQuery(query), args...)
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}
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func (r rebindDBTX) QueryRowContext(ctx context.Context, query string, args ...any) *sql.Row {
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return r.db.QueryRowContext(ctx, rebindQuery(query), args...)
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}
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var numberedPlaceholderRe = regexp.MustCompile(`\?\d+`)
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func rebindQuery(query string) string {
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unindexed := numberedPlaceholderRe.ReplaceAllString(query, "?")
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return sqlx.Rebind(sqlx.DOLLAR, unindexed)
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}
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