Add more GetBidding test and IsError

Makefile

@@ -4,4 +4,4 @@ test:
 
 .PHONY: integration
 integration:
-	go test -count=1 -v -run "Auction" ./test/integration -integration=true
+	go test -count=1 -v -run "Auction" ./test/integration -integration=true -timeout=999999s

browse.go

@@ -160,7 +160,7 @@ type LegacyItem struct {
 // eBay API docs: https://developer.ebay.com/api-docs/buy/browse/resources/item/methods/getItemByLegacyId
 func (s *BrowseService) GetItemByLegacyID(ctx context.Context, itemLegacyID string, opts ...Opt) (CompactItem, error) {
 	u := fmt.Sprintf("buy/browse/v1/item/get_item_by_legacy_id?legacy_item_id=%s", itemLegacyID)
-	req, err := s.client.NewRequest(http.MethodGet, u, opts...)
+	req, err := s.client.NewRequest(http.MethodGet, u, nil, opts...)
 	if err != nil {
 		return CompactItem{}, err
 	}
@@ -190,7 +190,7 @@ type CompactItem struct {
 // eBay API docs: https://developer.ebay.com/api-docs/buy/browse/resources/item/methods/getItem
 func (s *BrowseService) GetCompactItem(ctx context.Context, itemID string, opts ...Opt) (CompactItem, error) {
 	u := fmt.Sprintf("buy/browse/v1/item/%s?fieldgroups=COMPACT", itemID)
-	req, err := s.client.NewRequest(http.MethodGet, u, opts...)
+	req, err := s.client.NewRequest(http.MethodGet, u, nil, opts...)
 	if err != nil {
 		return CompactItem{}, err
 	}
@@ -368,7 +368,7 @@ type Item struct {
 // eBay API docs: https://developer.ebay.com/api-docs/buy/browse/resources/item/methods/getItem
 func (s *BrowseService) GetItem(ctx context.Context, itemID string, opts ...Opt) (Item, error) {
 	u := fmt.Sprintf("buy/browse/v1/item/%s?fieldgroups=PRODUCT", itemID)
-	req, err := s.client.NewRequest(http.MethodGet, u, opts...)
+	req, err := s.client.NewRequest(http.MethodGet, u, nil, opts...)
 	if err != nil {
 		return Item{}, err
 	}

ebay.go

@@ -1,9 +1,11 @@
 package ebay
 
 import (
+	"bytes"
 	"context"
 	"encoding/json"
 	"fmt"
+	"io"
 	"net/http"
 	"net/http/httputil"
 	"net/url"
@@ -78,7 +80,7 @@ type Opt func(*http.Request)
 
 // NewRequest creates an API request.
 // url should always be specified without a preceding slash.
-func (c *Client) NewRequest(method, url string, opts ...Opt) (*http.Request, error) {
+func (c *Client) NewRequest(method, url string, body interface{}, opts ...Opt) (*http.Request, error) {
 	if strings.HasPrefix(url, "/") {
 		return nil, errors.New("url should always be specified without a preceding slash")
 	}
@@ -86,7 +88,16 @@ func (c *Client) NewRequest(method, url string, opts ...Opt) (*http.Request, err
 	if err != nil {
 		return nil, errors.WithStack(err)
 	}
-	req, err := http.NewRequest(method, u.String(), nil)
+	var buf io.ReadWriter
+	if body != nil {
+		buf = new(bytes.Buffer)
+		enc := json.NewEncoder(buf)
+		enc.SetEscapeHTML(false)
+		if err := enc.Encode(body); err != nil {
+			return nil, err
+		}
+	}
+	req, err := http.NewRequest(method, u.String(), buf)
 	if err != nil {
 		return nil, errors.WithStack(err)
 	}
@@ -112,30 +123,36 @@ func (c *Client) Do(ctx context.Context, req *http.Request, v interface{}) error
 	return errors.WithStack(json.NewDecoder(resp.Body).Decode(v))
 }
 
-// ErrorData reports one or more errors caused by an API request.
+// Error describes one error caused by an eBay API request.
+//
+// eBay API docs: https://developer.ebay.com/api-docs/static/handling-error-messages.html
+type Error struct {
+	ErrorID     int      `json:"errorId,omitempty"`
+	Domain      string   `json:"domain,omitempty"`
+	SubDomain   string   `json:"subDomain,omitempty"`
+	Category    string   `json:"category,omitempty"`
+	Message     string   `json:"message,omitempty"`
+	LongMessage string   `json:"longMessage,omitempty"`
+	InputRefIds []string `json:"inputRefIds,omitempty"`
+	OuputRefIds []string `json:"outputRefIds,omitempty"`
+	Parameters  []struct {
+		Name  string `json:"name,omitempty"`
+		Value string `json:"value,omitempty"`
+	} `json:"parameters,omitempty"`
+}
+
+// ErrorData describes one or more errors caused by an eBay API request.
 //
 // eBay API docs: https://developer.ebay.com/api-docs/static/handling-error-messages.html
 type ErrorData struct {
-	Errors []struct {
-		ErrorID     int      `json:"errorId,omitempty"`
-		Domain      string   `json:"domain,omitempty"`
-		SubDomain   string   `json:"subDomain,omitempty"`
-		Category    string   `json:"category,omitempty"`
-		Message     string   `json:"message,omitempty"`
-		LongMessage string   `json:"longMessage,omitempty"`
-		InputRefIds []string `json:"inputRefIds,omitempty"`
-		OuputRefIds []string `json:"outputRefIds,omitempty"`
-		Parameters  []struct {
-			Name  string `json:"name,omitempty"`
-			Value string `json:"value,omitempty"`
-		} `json:"parameters,omitempty"`
-	} `json:"errors,omitempty"`
-	Response    *http.Response
-	RequestDump string
+	Errors []Error `json:"errors,omitempty"`
+
+	response    *http.Response
+	requestDump string
 }
 
 func (e *ErrorData) Error() string {
-	return fmt.Sprintf("%d %s: %+v", e.Response.StatusCode, e.RequestDump, e.Errors)
+	return fmt.Sprintf("%d %s: %+v", e.response.StatusCode, e.requestDump, e.Errors)
 }
 
 // CheckResponse checks the API response for errors, and returns them if present.
@@ -144,7 +161,28 @@ func CheckResponse(req *http.Request, resp *http.Response) error {
 		return nil
 	}
 	dump, _ := httputil.DumpRequest(req, true)
-	errorData := &ErrorData{Response: resp, RequestDump: string(dump)}
+	errorData := &ErrorData{response: resp, requestDump: string(dump)}
 	_ = json.NewDecoder(resp.Body).Decode(errorData)
 	return errorData
 }
+
+// IsError allows to check if err is a specific error codes returned by the eBay API.
+//
+// eBay API docs: https://developer.ebay.com/devzone/xml/docs/Reference/ebay/Errors/errormessages.htm
+func IsError(err error, codes ...int) bool {
+	if err == nil {
+		return false
+	}
+	errData, ok := err.(*ErrorData)
+	if !ok {
+		return false
+	}
+	for _, e := range errData.Errors {
+		for _, code := range codes {
+			if e.ErrorID == code {
+				return true
+			}
+		}
+	}
+	return false
+}

ebay_test.go

@@ -10,15 +10,28 @@ import (
 	"testing"
 
 	"github.com/jybp/ebay"
+	"github.com/pkg/errors"
 	"github.com/stretchr/testify/assert"
 )
 
+// setup sets up a test HTTP server.
+func setup(t *testing.T) (client *ebay.Client, mux *http.ServeMux, teardown func()) {
+	mux = http.NewServeMux()
+	server := httptest.NewServer(mux)
+	var err error
+	client, err = ebay.NewCustomClient(nil, server.URL+"/")
+	if err != nil {
+		t.Fatal(err)
+	}
+	return client, mux, server.Close
+}
+
 func TestNewRequest(t *testing.T) {
 	testOpt := func(r *http.Request) {
 		r.URL.RawQuery = "q=1"
 	}
 	client, _ := ebay.NewCustomClient(nil, "https://api.ebay.com/")
-	r, _ := client.NewRequest(http.MethodPost, "test", testOpt)
+	r, _ := client.NewRequest(http.MethodPost, "test", nil, testOpt)
 	assert.Equal(t, "https://api.ebay.com/test?q=1", fmt.Sprint(r.URL))
 	assert.Equal(t, http.MethodPost, r.Method)
 }
@@ -69,14 +82,29 @@ func TestCheckResponse(t *testing.T) {
 	assert.Equal(t, "2200077988|0", err.Errors[0].Parameters[0].Value)
 }
 
-// setup sets up a test HTTP server
-func setup(t *testing.T) (client *ebay.Client, mux *http.ServeMux, teardown func()) {
-	mux = http.NewServeMux()
-	server := httptest.NewServer(mux)
-	var err error
-	client, err = ebay.NewCustomClient(nil, server.URL+"/")
-	if err != nil {
-		t.Fatal(err)
+func TestIsErrorMatches(t *testing.T) {
+	var err error = &ebay.ErrorData{
+		Errors: []ebay.Error{
+			ebay.Error{ErrorID: 1},
+		},
 	}
-	return client, mux, server.Close
+	assert.True(t, ebay.IsError(err, 1, 2, 3))
+}
+
+func TestIsErrorNoMatches(t *testing.T) {
+	var err error = &ebay.ErrorData{
+		Errors: []ebay.Error{
+			ebay.Error{ErrorID: 4},
+		},
+	}
+	assert.False(t, ebay.IsError(err, 1, 2, 3))
+}
+
+func TestIsErrorWrongType(t *testing.T) {
+	var err error = errors.New("test")
+	assert.False(t, ebay.IsError(err, 1, 2, 3))
+}
+
+func TestIsErrorNil(t *testing.T) {
+	assert.False(t, ebay.IsError(nil, 1, 2, 3))
 }

offer.go

@@ -65,16 +65,80 @@ type Bidding struct {
 	} `json:"currentProxyBid"`
 }
 
-// GetBidding retrieves the buyer's bidding details on an auction.
+// Some valid eBay error codes for the GetBidding method.
+//
+// eBay API docs: https://developer.ebay.com/api-docs/buy/offer/resources/bidding/methods/getBidding#h2-error-codes
+const (
+	ErrGetBiddingMarketplaceNotSupported = 120017
+	ErrGetBiddingNoBiddingActivity       = 120033
+)
+
+// GetBidding retrieves the buyer's bidding details on a specific auction item.
 //
 // eBay API docs: https://developer.ebay.com/api-docs/buy/offer/resources/bidding/methods/getBidding
 func (s *OfferService) GetBidding(ctx context.Context, itemID, marketplaceID string, opts ...Opt) (Item, error) {
 	u := fmt.Sprintf("buy/offer/v1_beta/bidding/%s", itemID)
 	opts = append(opts, OptBuyMarketplace(marketplaceID))
-	req, err := s.client.NewRequest(http.MethodGet, u, opts...)
+	req, err := s.client.NewRequest(http.MethodGet, u, nil, opts...)
 	if err != nil {
 		return Item{}, err
 	}
 	var it Item
 	return it, s.client.Do(ctx, req, &it)
 }
+
+// ProxyBid represents an eBay proxy bid.
+type ProxyBid struct {
+	ProxyBidID string `json:"proxyBidId"`
+}
+
+// Some valid eBay error codes for the PlaceProxyBid method.
+//
+// eBay API docs: https://developer.ebay.com/api-docs/buy/offer/resources/bidding/methods/getBidding#h2-error-codes
+const (
+	ErrPlaceProxyBidAuctionEndedBecauseOfBuyItNow       = 120002
+	ErrPlaceProxyBidBidCannotBeGreaterThanBuyItNowPrice = 120005
+	ErrPlaceProxyBidAmountTooHigh                       = 120007
+	ErrPlaceProxyBidAmountTooLow                        = 120008
+	ErrPlaceProxyBidCurrencyMustMatchItemPriceCurrency  = 120009
+	ErrPlaceProxyBidCannotLowerYourProxyBid             = 120010
+	ErrPlaceProxyBidAmountExceedsLimit                  = 120011
+	ErrPlaceProxyBidAuctionHasEnded                     = 120012
+	ErrPlaceProxyBidAmountInvalid                       = 120013
+	ErrPlaceProxyBidCurrencyInvalid                     = 120014
+	ErrPlaceProxyBidMaximumBidAmountMissing             = 120016
+)
+
+// PlaceProxyBid places a proxy bid for the buyer on a specific auction item.
+//
+// You must ensure the user agrees to the "Terms of use for Adult Only category"
+// (https://signin.ebay.com/ws/eBayISAPI.dll?AdultSignIn2) if he wishes to bid on on a adult-only item.
+//
+// eBay API docs: https://developer.ebay.com/api-docs/buy/offer/resources/bidding/methods/getBidding
+func (s *OfferService) PlaceProxyBid(ctx context.Context, itemID, marketplaceID, maxAmount, currency string, userConsentAdultOnlyItem bool, opts ...Opt) (ProxyBid, error) {
+	u := fmt.Sprintf("buy/offer/v1_beta/bidding/%s/place_proxy_bid", itemID)
+	opts = append(opts, OptBuyMarketplace(marketplaceID))
+	pl := struct {
+		MaxAmount struct {
+			Currency string `json:"currency"`
+			Value    string `json:"value"`
+		} `json:"maxAmount"`
+		UserConsent struct {
+			AdultOnlyItem bool `json:"adultOnlyItem"`
+		} `json:"userConsent"`
+	}{
+		MaxAmount: struct {
+			Currency string `json:"currency"`
+			Value    string `json:"value"`
+		}{currency, maxAmount},
+		UserConsent: struct {
+			AdultOnlyItem bool `json:"adultOnlyItem"`
+		}{userConsentAdultOnlyItem},
+	}
+	req, err := s.client.NewRequest(http.MethodPost, u, &pl, opts...)
+	if err != nil {
+		return ProxyBid{}, err
+	}
+	var p ProxyBid
+	return p, s.client.Do(ctx, req, &p)
+}

offer_test.go

@@ -1,6 +1,8 @@
 package ebay_test
 
 import (
+	"context"
+	"fmt"
 	"net/http"
 	"testing"
 
@@ -13,3 +15,17 @@ func TestOptBuyMarketplace(t *testing.T) {
 	ebay.OptBuyMarketplace("EBAY_US")(r)
 	assert.Equal(t, "EBAY_US", r.Header.Get("X-EBAY-C-MARKETPLACE-ID"))
 }
+
+func TestGetBidding(t *testing.T) {
+	client, mux, teardown := setup(t)
+	defer teardown()
+
+	mux.HandleFunc("/buy/offer/v1_beta/bidding/v1|202117468662|0", func(w http.ResponseWriter, r *http.Request) {
+		marketplaceID := r.Header.Get("X-EBAY-C-MARKETPLACE-ID")
+		fmt.Fprintf(w, `{"itemId": "%s"}`, marketplaceID)
+	})
+
+	bidding, err := client.Buy.Offer.GetBidding(context.Background(), "v1|202117468662|0", ebay.BuyMarketplaceUSA)
+	assert.Nil(t, err)
+	assert.Equal(t, ebay.BuyMarketplaceUSA, bidding.ItemID)
+}

test/integration/auction_test.go

@@ -9,7 +9,6 @@ import (
 	"net/http"
 	"net/url"
 	"os"
-	"strconv"
 	"strings"
 	"testing"
 	"time"
@@ -45,8 +44,9 @@ func TestAuction(t *testing.T) {
 		t.SkipNow()
 	}
 
-	// Manually create an auction in the sandbox and copy/paste the url:
-	const auctionURL = "https://www.sandbox.ebay.com/itm/110439278158"
+	// Manually create an auction in the sandbox and copy/paste the url.
+	// Auctions can't be created using the rest api (yet?).
+	const auctionURL = "https://www.sandbox.ebay.com/itm/110440008951"
 
 	ctx := context.Background()
 
@@ -80,7 +80,7 @@ func TestAuction(t *testing.T) {
 		t.Fatalf("item %s is not an auction. BuyingOptions are: %+v", it.ItemID, it.BuyingOptions)
 	}
 	if time.Now().UTC().After(it.ItemEndDate) {
-		// t.Fatalf("item %s end date has been reached. ItemEndDate is: %s", it.ItemID, it.ItemEndDate.String())
+		t.Fatalf("item %s end date has been reached. ItemEndDate is: %s", it.ItemID, it.ItemEndDate.String())
 	}
 	t.Logf("item %s UniqueBidderCount:%d minimumBidPrice: %+v currentPriceToBid: %+v\n", it.ItemID, it.UniqueBidderCount, it.MinimumPriceToBid, it.CurrentBidPrice)
 
@@ -92,7 +92,6 @@ func TestAuction(t *testing.T) {
 	}
 	state := url.QueryEscape(string(b))
 	authCodeC := make(chan string)
-	var expiresIn time.Duration
 	http.HandleFunc("/accept", func(rw http.ResponseWriter, r *http.Request) {
 		actualState, err := url.QueryUnescape(r.URL.Query().Get("state"))
 		if err != nil {
@@ -104,12 +103,6 @@ func TestAuction(t *testing.T) {
 			return
 		}
 		code := r.URL.Query().Get("code")
-		expiresInSeconds, err := strconv.Atoi(r.URL.Query().Get("expires_in"))
-		if err != nil {
-			http.Error(rw, fmt.Sprintf("invalid expires_in: %+v", err), http.StatusBadRequest)
-			return
-		}
-		expiresIn = time.Second * time.Duration(expiresInSeconds)
 		authCodeC <- code
 		t.Logf("The authorization code is %s.\n", code)
 		t.Logf("The authorization code will expire in %s seconds.\n", r.URL.Query().Get("expires_in"))
@@ -146,18 +139,13 @@ func TestAuction(t *testing.T) {
 		t.Fatal(err)
 	}
 
-	// Force token regen.
-
-	// tok.Expiry = time.Now().Add(-time.Hour * 24) // not working?
-
-	fmt.Printf("Sleeping %v so token expires\n", expiresIn)
-	time.Sleep(expiresIn + time.Second*5)
-
 	client = ebay.NewSandboxClient(oauth2.NewClient(ctx, tokensource.New(oauthConf.TokenSource(ctx, tok))))
 
-	bidding, err := client.Buy.Offer.GetBidding(ctx, it.ItemID, ebay.BuyMarketplaceUSA)
-	if err != nil {
-		t.Fatalf("%+v", err)
+	_, err = client.Buy.Offer.GetBidding(ctx, it.ItemID, ebay.BuyMarketplaceUSA)
+	if !ebay.IsError(err, ebay.ErrGetBiddingNoBiddingActivity) {
+		t.Logf("Expected ErrNoBiddingActivity, got %+v.", err)
 	}
-	t.Logf("item %s bidding: %+v\n", it.ItemID, bidding)
+
+	// err := client.Buy.Offer.PlaceProxyBid(ctx)
+
 }

tokensource/tokensource.go

@@ -20,7 +20,6 @@ func New(base oauth2.TokenSource) *TokenSource {
 func (ts *TokenSource) Token() (*oauth2.Token, error) {
 	t, err := ts.base.Token()
 	if t != nil {
-		print("new token: " + t.AccessToken + "\n") // TODO remove
 		t.TokenType = "Bearer"
 	}
 	return t, err