Added Internal API Client's classes

api/pricing.go

@@ -0,0 +1,26 @@
+package api
+
+import (
+	"fmt"
+
+	def "git.pbiernat.dev/egommerce/api-entities/http"
+	"github.com/go-redis/redis/v8"
+)
+
+func NewPricingAPI(redis *redis.Client) *PricingAPI {
+	return &PricingAPI{NewHttpClient(redis)}
+}
+
+type PricingAPI struct {
+	httpClient *HttpClient
+}
+
+func (a *PricingAPI) GetProductPrice(productID int) (*def.ProductPriceResponse, error) {
+	url := fmt.Sprintf("/api/v1/product/%d", productID)
+	res := new(def.ProductPriceResponse)
+	if err := a.httpClient.SendGet("pricing", url, nil, res); err != nil {
+		return nil, err
+	}
+
+	return res, nil
+}