Files
go-cart-actor/cmd/inventory/main.go
Mats Törnberg 8bf29020dd
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Merge branch 'main' of https://git.tornberg.me/mats/go-cart-actor
2025-11-10 19:47:23 +01:00

77 lines
1.9 KiB
Go

package main
import (
"context"
"log"
"time"
"git.tornberg.me/go-cart-actor/pkg/inventory"
"github.com/redis/go-redis/v9"
"github.com/redis/go-redis/v9/maintnotifications"
)
func main() {
var ctx = context.Background()
rdb := redis.NewClient(&redis.Options{
Addr: "10.10.3.18:6379",
Password: "slaskredis", // no password set
DB: 0, // use default DB
MaintNotificationsConfig: &maintnotifications.Config{
Mode: maintnotifications.ModeDisabled,
},
})
s, err := inventory.NewRedisInventoryService(rdb, ctx)
if err != nil {
log.Fatalf("Unable to connect to inventory redis: %v", err)
return
}
// Start inventory change listener
listener := inventory.NewInventoryChangeListener(rdb, ctx, func(changes []inventory.InventoryChange) {
for _, change := range changes {
log.Printf("Inventory change detected: SKU %s at location %s now has %d", change.SKU, change.StockLocationID, change.Value)
}
})
log.Println("Starting inventory change listener...")
go listener.Start()
listener.WaitReady()
log.Println("Listener is ready, proceeding with inventory operations...")
rdb.Pipelined(ctx, func(p redis.Pipeliner) error {
s.UpdateInventory(p, "1", "1", 10)
s.UpdateInventory(p, "2", "2", 20)
s.UpdateInventory(p, "3", "3", 30)
s.UpdateInventory(p, "4", "4", 40)
return nil
})
err = s.ReserveInventory(
inventory.ReserveRequest{
SKU: "1",
LocationID: "1",
Quantity: 3,
},
inventory.ReserveRequest{
SKU: "2",
LocationID: "2",
Quantity: 15,
},
inventory.ReserveRequest{
SKU: "3",
LocationID: "3",
Quantity: 25,
},
)
if err != nil {
log.Printf("Unable to reserve inventory: %v", err)
}
v, err := s.GetInventory("1", "1")
if err != nil {
log.Printf("Unable to get inventory: %v", err)
return
}
log.Printf("Inventory after reservation: %v", v)
// Wait a bit for listener to process messages
time.Sleep(2 * time.Second)
}