genofire/hs_monolith
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hs_monolith
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hs_monolith/models/product_cache.go

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package models
import (
"fmt"
"net/http"
"time"
"github.com/genofire/hs_master-kss-monolith/lib/log"
)
// TODO DRAFT for a rest request to a other microservice
const ProductURL = "https://google.com/?q=%d"
type boolMicroServiceCache struct {
LastCheck time.Time
Value bool
}
var productExistCache map[int64]boolMicroServiceCache
func init() {
productExistCache = make(map[int64]boolMicroServiceCache)
}
func (p *Product) Exists() (bool, error) {
if cache, ok := productExistCache[p.ID]; ok {
return cache.Value, nil
}
url := fmt.Sprintf(ProductURL, p.ID)
log.Log.WithField("url", url).Info("exists product?")
res, err := http.Get(url)
productExistCache[p.ID] = boolMicroServiceCache{
LastCheck: time.Now(),
Value: (res.StatusCode == http.StatusOK),
}
return productExistCache[p.ID].Value, err
}