implement POST /print-job-cost-calculations

1 files changed, 109 insertions, 10 deletions

diff --git a/ship.go b/ship.go
index aef655e..b5aa822 100644
--- a/ship.go
+++ b/ship.go
@@ -1,6 +1,11 @@
 package lulu
 
-//go:generate go run github.com/yawnak/string-enumer -t ShippingLevel --text -o ./ship_gen.go .
+import (
+	"encoding/json"
+	"fmt"
+)
+
+//go:generate go run github.com/yawnak/string-enumer -t ShippingLevel -t Title --text -o ./ship_gen.go .
 
 // ShippingLevel is the quality/speed with which a package is shipped.
 type ShippingLevel string
@@ -14,13 +19,107 @@ const (
 )
 
 type ShippingAddress struct {
-	Name        string `json:"name"`
-	Phone       string `json:"phone_number"`
-	CountryCode string `json:"country_code"`
-	PostCode    string `json:"postcode"`
-	StateCode   string `json:"state_code"`
-	City        string `json:"city"`
-	Street1     string `json:"street1"`
-	Street2     string `json:"street2"`
-	IsBusiness  bool   `json:"is_business"`
+	Country      string // ISO 3166-2 country code
+	State        string // 2 or 3 letter state codes (officially called ISO-3166-2 subdivision codes). They are required for some countries (e.g. US, MX, CA, AU)
+	City         string
+	Street1      string // First address line
+	Street2      string // Second address line
+	PostCode     string // Required for most countries
+	IsBusiness   bool   // Only relevant for US addresses. Some US carriers don't deliver to business-addresses on Saturday.
+	Name         string // Full name of the person, including first and last name.
+	Title        Title
+	Organization string // Name of an organization. Required if no person name is given.
+	Email        string // Shipping carriers require an email address for notifications or handling delivery issues. If no email is given, the default email in the user profile will be used.
+	Phone        string // Shipping carriers require a phone number for handling delivery issues. If no phone number is given, the default in the API user profile will be used.
+	TaxId        string // The recipient’s tax identification number. Required for shipping addresses to Brazil, Chile, and Mexico.
+}
+
+// They use "country" in some places, "country_code" in others, etc.
+// This is the union of all of them.
+type shippingAddress struct {
+	Country      string `json:"country"`
+	CountryCode  string `json:"country_code"`
+	State        string `json:"state"`
+	StateCode    string `json:"state_code"`
+	City         string `json:"city"`
+	Street1      string `json:"street1"`
+	Street2      string `json:"street2"`
+	PostCode     string `json:"postcode"`
+	IsBusiness   bool   `json:"is_business"`
+	Name         string `json:"name"`
+	FirstName    string `json:"first_name"`
+	LastName     string `json:"last_name"`
+	Title        Title  `json:"title"`
+	Organization string `json:"organization"`
+	Email        string `json:"email"`
+	Phone        string `json:"phone_number"`
+	TaxId        string `json:"recipient_tax_id"`
+}
+
+func (a *ShippingAddress) UnmarshalJSON(data []byte) error {
+	s := string(data)
+	var alias shippingAddress
+	if err := json.Unmarshal(data, &alias); err != nil {
+		return err
+	}
+
+	if country, both := either(alias.Country, alias.CountryCode); !both {
+		a.Country = country
+	} else {
+		return fmt.Errorf(`address contains both "country" and "country_code": %q`, s)
+	}
+
+	if state, both := either(alias.State, alias.StateCode); !both {
+		a.State = state
+	} else {
+		return fmt.Errorf(`address contains both "state" and "state_code": %q`, s)
+	}
+
+	a.City = alias.City
+	a.Street1 = alias.Street1
+	a.Street2 = alias.Street2
+	a.PostCode = alias.PostCode
+	a.IsBusiness = alias.IsBusiness
+
+	hasName := alias.Name != ""
+	hasFirst := alias.FirstName != ""
+	hasLast := alias.LastName != ""
+	if hasName && (hasFirst || hasLast) {
+		return fmt.Errorf(`address contains both "name" and {"first_name", "last_name"}: %q`, s)
+	} else if hasName {
+		a.Name = alias.Name
+	} else if hasFirst && hasLast {
+		a.Name = fmt.Sprintf("%s %s", alias.FirstName, alias.LastName)
+	} else if hasLast {
+		a.Name = alias.LastName
+	} else if hasFirst {
+		a.Name = alias.FirstName
+	}
+
+	a.Title = alias.Title
+	a.Organization = alias.Organization
+	a.Email = alias.Email
+	a.Phone = alias.Phone
+	a.TaxId = alias.TaxId
+
+	return nil
+}
+
+func either(a, b string) (string, bool) {
+	if a != "" && b != "" {
+		return a, true
+	} else if a != "" {
+		return a, false
+	}
+	return b, false
 }
+
+type Title string
+
+const (
+	Mr   Title = "MR"
+	Miss Title = "MISS"
+	Mrs  Title = "MRS"
+	Ms   Title = "MS"
+	Dr   Title = "DR"
+)