96 lines
1.6 KiB
Go
96 lines
1.6 KiB
Go
// Path: Backend/internal/database/postgres.go
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package database
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import (
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"context"
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"database/sql"
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"time"
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"github.com/jackc/pgx/v5/pgxpool"
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"github.com/jackc/pgx/v5/stdlib"
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"github.com/pressly/goose/v3"
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"moku-backend/db"
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)
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type DB struct {
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Pool *pgxpool.Pool
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}
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func NewPostgres(databaseURL string) (*DB, error) {
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ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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defer cancel()
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config, err := pgxpool.ParseConfig(databaseURL)
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if err != nil {
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return nil, err
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}
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config.MaxConns = 25
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config.MinConns = 5
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config.MaxConnLifetime = time.Hour
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config.MaxConnIdleTime = 30 * time.Minute
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pool, err := pgxpool.NewWithConfig(ctx, config)
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if err != nil {
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return nil, err
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}
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if err := pool.Ping(ctx); err != nil {
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pool.Close()
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return nil, err
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}
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return &DB{Pool: pool}, nil
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}
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func (d *DB) MigrateUp() error {
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return d.runGoose(goose.Up)
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}
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func (d *DB) MigrateDown() error {
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return d.runGoose(goose.Down)
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}
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func (d *DB) MigrateReset() error {
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return d.runGoose(goose.Reset)
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}
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func (d *DB) MigrateStatus() error {
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return d.runGoose(goose.Status)
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}
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func (d *DB) runGoose(command func(*sql.DB, string, ...goose.OptionsFunc) error) error {
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if d == nil || d.Pool == nil {
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return nil
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}
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sqlDB := stdlib.OpenDBFromPool(d.Pool)
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defer sqlDB.Close()
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goose.SetBaseFS(db.Migrations)
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if err := goose.SetDialect("postgres"); err != nil {
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return err
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}
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return command(sqlDB, "migrations")
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}
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func (d *DB) Health(ctx context.Context) error {
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if d == nil || d.Pool == nil {
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return nil
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}
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return d.Pool.Ping(ctx)
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}
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func (d *DB) Close() {
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if d == nil || d.Pool == nil {
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return
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}
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d.Pool.Close()
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}
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