added initial webhook main function

snipcart/webhook/config.go

@@ -0,0 +1,33 @@
+package webhook
+
+import (
+	"bytes"
+	"encoding/json"
+	"io/ioutil"
+
+	"github.com/debyltech/go-shippr/shippo"
+)
+
+type Config struct {
+	ShippoApiKey       string         `json:"shippo_api_key"`
+	WeightUnit         string         `json:"weight_unit"`
+	DimensionUnit      string         `json:"dimension_unit"`
+	ManufactureCountry string         `json:"manufacture_country"`
+	SenderAddress      shippo.Address `json:"sender_address"`
+	DefaultParcel      shippo.Parcel  `json:"default_parcel"`
+}
+
+func NewConfigFromFile(filePath string) (*Config, error) {
+	configBytes, err := ioutil.ReadFile(filePath)
+	if err != nil {
+		return nil, err
+	}
+
+	var config Config
+	err = json.NewDecoder(bytes.NewBuffer(configBytes)).Decode(&config)
+	if err != nil {
+		return nil, err
+	}
+
+	return &config, nil
+}