raw_store_events store started

internal/domains/raw_events/events.go

@@ -0,0 +1,89 @@
+package raw_events
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"time"
+
+	"github.com/jackc/pgx/v5"
+	"github.com/jackc/pgx/v5/pgtype"
+	"github.com/jackc/pgx/v5/pgxpool"
+)
+
+type (
+	Store struct {
+		db *pgxpool.Pool
+	}
+
+	Event struct {
+		Platform       string
+		StoreID        string
+		EventID        string
+		EventTimestamp time.Time
+		Payload        json.RawMessage
+	}
+)
+
+func NewStore(ctx context.Context) (*Store, error) {
+	pool, err := newPool(ctx)
+	if err != nil {
+		return nil, err
+	}
+
+	return &Store{
+		db: pool,
+	}, nil
+}
+
+func newPool(ctx context.Context) (*pgxpool.Pool, error) {
+	pool, err := pgxpool.New(ctx, "postgres://app_client:app_password@localhost:5432/inventory_2?sslmode=disable")
+	if err != nil {
+		return nil, fmt.Errorf("failed to create database client: %w", err)
+	}
+
+	conn, err := pool.Acquire(ctx)
+	if err != nil {
+		return nil, fmt.Errorf("failed to create a database connection: %w", err)
+	}
+	conn.Release()
+
+	return pool, nil
+}
+
+func (db *Store) Save(ctx context.Context, e *Event) error {
+	_, err := db.db.Exec(
+		ctx,
+		`
+			INSERT INTO raw_store_events (
+				platform,
+				store_id,
+				event_timestamp,
+				event_id,
+				raw_payload
+			)
+			VALUES (
+				@platform,
+				@store_id,
+				@event_timestamp,
+				@event_id,
+				@raw_payload
+			)
+		`,
+		pgx.NamedArgs{
+			"platform": e.Platform,
+			"store_id": e.StoreID,
+			"event_timestamp": pgtype.Timestamptz{
+				Time:  e.EventTimestamp,
+				Valid: !e.EventTimestamp.IsZero(),
+			},
+			"event_id":    e.EventID,
+			"raw_payload": string(e.Payload),
+		},
+	)
+	if err != nil {
+		return fmt.Errorf("failed to perform query: %w", err)
+	}
+
+	return nil
+}