memnix /
memnix-rest
| Total Lines | 61 |
| Duplicated Lines | 0 % |
| Changes | 0 | ||
| 1 | package infrastructures |
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| 2 | |||
| 3 | import ( |
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| 4 | "context" |
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| 5 | "sync" |
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| 6 | |||
| 7 | "github.com/jackc/pgx/v5/pgxpool" |
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| 8 | ) |
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| 9 | |||
| 10 | type PgxConnSingleton struct { |
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| 11 | conn *pgxpool.Pool |
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| 12 | config PgxConfig |
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| 13 | } |
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| 14 | |||
| 15 | var ( |
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| 16 | pgxInstance *PgxConnSingleton //nolint:gochecknoglobals //Singleton |
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| 17 | pgxOnce sync.Once //nolint:gochecknoglobals //Singleton |
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| 18 | ) |
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| 19 | |||
| 20 | type PgxConfig struct { |
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| 21 | DSN string |
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| 22 | SQLMaxIdleConns int |
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| 23 | SQLMaxOpenConns int |
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| 24 | } |
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| 25 | |||
| 26 | func GetPgxConnInstance() *PgxConnSingleton { |
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| 27 | pgxOnce.Do(func() { |
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| 28 | pgxInstance = &PgxConnSingleton{} |
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| 29 | }) |
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| 30 | return pgxInstance |
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| 31 | } |
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| 32 | |||
| 33 | func NewPgxConnInstance(config PgxConfig) *PgxConnSingleton { |
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| 34 | return GetPgxConnInstance().WithConfig(config) |
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| 35 | } |
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| 36 | |||
| 37 | func (p *PgxConnSingleton) WithConfig(config PgxConfig) *PgxConnSingleton { |
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| 38 | p.config = config |
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| 39 | return p |
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| 40 | } |
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| 41 | |||
| 42 | func (p *PgxConnSingleton) GetPgxConn() *pgxpool.Pool { |
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| 43 | return p.conn |
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| 44 | } |
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| 45 | |||
| 46 | func (p *PgxConnSingleton) ConnectPgx() error { |
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| 47 | conn, err := pgxpool.New(context.Background(), p.config.DSN) |
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| 48 | if err != nil { |
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| 49 | return err |
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| 50 | } |
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| 51 | |||
| 52 | p.conn = conn |
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| 53 | return nil |
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| 54 | } |
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| 55 | |||
| 56 | func (p *PgxConnSingleton) ClosePgx() { |
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| 57 | p.conn.Close() |
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| 58 | } |
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| 59 | |||
| 60 | func GetPgxConn() *pgxpool.Pool { |
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| 61 | return pgxInstance.GetPgxConn() |
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| 62 | } |
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| 63 |
