Initial Commit

store/address.go

@@ -0,0 +1,59 @@
+package store
+
+import (
+	"encoding/json"
+
+	"github.com/dgraph-io/badger/v4"
+	"github.com/google/uuid"
+)
+
+type Address struct {
+	ID      string
+	UserID  string
+	Line1   string
+	City    string
+	ZipCode string
+}
+
+const addressPrefix = "addr:"
+
+func AddAddressToUser(userID, line1, city, zip string) (*Address, error) {
+	addr := &Address{
+		ID:      uuid.NewString(),
+		UserID:  userID,
+		Line1:   line1,
+		City:    city,
+		ZipCode: zip,
+	}
+	data, err := json.Marshal(addr)
+	if err != nil {
+		return nil, err
+	}
+	err = GetDB().Update(func(txn *badger.Txn) error {
+		return txn.Set([]byte(addressPrefix+addr.ID), data)
+	})
+	return addr, err
+}
+
+func ListAddressesByUserID(userID string) ([]*Address, error) {
+	addresses := []*Address{}
+	err := GetDB().View(func(txn *badger.Txn) error {
+		it := txn.NewIterator(badger.DefaultIteratorOptions)
+		defer it.Close()
+		for it.Seek([]byte(addressPrefix)); it.ValidForPrefix([]byte(addressPrefix)); it.Next() {
+			item := it.Item()
+			err := item.Value(func(v []byte) error {
+				var a Address
+				if err := json.Unmarshal(v, &a); err == nil && a.UserID == userID {
+					addresses = append(addresses, &a)
+				}
+				return nil
+			})
+			if err != nil {
+				return err
+			}
+		}
+		return nil
+	})
+	return addresses, err
+}