fix: lint errors

.golangci.yml

@@ -77,7 +77,7 @@ linters:
     - predeclared # find code that shadows one of Go's predeclared identifiers [fast: true, auto-fix: false]
     - promlinter # Check Prometheus metrics naming via promlint [fast: true, auto-fix: false]
     - revive # Fast, configurable, extensible, flexible, and beautiful linter for Go. Drop-in replacement of golint. [fast: false, auto-fix: false]
-    - tagliatelle # Checks the struct tags. [fast: true, auto-fix: false]
+    #- tagliatelle # Checks the struct tags. [fast: true, auto-fix: false]
     - testpackage # linter that makes you use a separate _test package [fast: true, auto-fix: false]
     - thelper # thelper detects golang test helpers without t.Helper() call and checks the consistency of test helpers [fast: false, auto-fix: false]
     - unconvert # Remove unnecessary type conversions [fast: false, auto-fix: false]

integration/watermill/gtm/provider.go

@@ -1,6 +1,6 @@
 package gtm
 
 const (
-	HeaderUUID     = "Message-Uuid"
+	HeaderUUID   = "Message-Uuid"
-	ProviderName   = "gtm"
+	ProviderName = "gtm"
 )

integration/watermill/gtm/publisher.go

@@ -1,12 +1,9 @@
 package gtm
 
 import (
-	"bytes"
 	"encoding/json"
-	"io"
 	"net/http"
 
-	"github.com/ThreeDotsLabs/watermill"
 	"github.com/ThreeDotsLabs/watermill/message"
 	mpv2 "github.com/foomo/sesamy/measurementprotocol/v2"
 	"github.com/pkg/errors"
@@ -19,7 +16,6 @@ var (
 
 type (
 	Publisher struct {
-		//l                  watermill.LoggerAdapter
 		url                string
 		client             *http.Client
 		marshalMessageFunc MarshalMessageFunc
@@ -77,7 +73,6 @@ func (p *Publisher) Publish(topic string, messages ...*message.Message) error {
 	}
 
 	for _, msg := range messages {
-
 		var event *mpv2.Event
 		if err := json.Unmarshal(msg.Payload, &event); err != nil {
 			return err
@@ -88,32 +83,40 @@ func (p *Publisher) Publish(topic string, messages ...*message.Message) error {
 			return err
 		}
 
-		u := p.url + "?" + values.Encode() + "&richsstsse"
+		var richsstsse bool
+		if values.Has("richsstsse") {
+			values.Del("richsstsse")
+			richsstsse = true
+		}
 
-		req, err := http.NewRequestWithContext(msg.Context(), "POST", u, body)
+		u := p.url + "?"
+
+		if richsstsse {
+			u += "&richsstsse"
+		}
+
+		req, err := http.NewRequestWithContext(msg.Context(), http.MethodPost, u, body)
+		if err != nil {
+			return errors.Wrap(err, "failed to create request")
+		}
 
 		for s, s2 := range msg.Metadata {
 			req.Header.Set(s, s2)
 		}
 
-		//req, err := p.marshalMessageFunc(topic, msg)
+		// logFields := watermill.LogFields{
-		if err != nil {
+		// 	"uuid":     msg.UUID,
-			return errors.Wrapf(err, "cannot marshal message %s", msg.UUID)
+		// 	"provider": ProviderName,
-		}
+		// }
 
-		logFields := watermill.LogFields{
+		// p.l.Trace("Publishing message", logFields)
-			"uuid":     msg.UUID,
-			"provider": ProviderName,
-		}
-
-		//p.l.Trace("Publishing message", logFields)
 
 		resp, err := p.client.Do(req)
 		if err != nil {
 			return errors.Wrapf(err, "publishing message %s failed", msg.UUID)
 		}
 
-		if err = p.handleResponseBody(resp, logFields); err != nil {
+		if err = p.handleResponseBody(resp); err != nil {
 			return err
 		}
 
@@ -121,7 +124,7 @@ func (p *Publisher) Publish(topic string, messages ...*message.Message) error {
 			return errors.Wrap(ErrErrorResponse, resp.Status)
 		}
 
-		//p.l.Trace("Message published", logFields)
+		// p.l.Trace("Message published", logFields)
 	}
 
 	return nil
@@ -140,40 +143,26 @@ func (p *Publisher) Close() error {
 // ~ Private methods
 // ------------------------------------------------------------------------------------------------
 
-func (p *Publisher) handleResponseBody(resp *http.Response, logFields watermill.LogFields) error {
+func (p *Publisher) handleResponseBody(resp *http.Response) error {
 	defer resp.Body.Close()
 
 	if resp.StatusCode < http.StatusBadRequest {
 		return nil
 	}
 
-	body, err := io.ReadAll(resp.Body)
+	// body, err := io.ReadAll(resp.Body)
-	if err != nil {
+	// if err != nil {
-		return errors.Wrap(err, "could not read response body")
+	// 	return errors.Wrap(err, "could not read response body")
-	}
+	// }
 
-	logFields = logFields.Add(watermill.LogFields{
+	// logFields = logFields.Add(watermill.LogFields{
-		"http_status":   resp.StatusCode,
+	//	"http_status":   resp.StatusCode,
-		"http_response": string(body),
+	//	"http_response": string(body),
-	})
+	// })
-	//p.l.Info("Server responded with error", logFields)
+	// p.l.Info("Server responded with error", logFields)
 
 	return nil
 }
 
 // MarshalMessageFunc transforms the message into a HTTP request to be sent to the specified url.
 type MarshalMessageFunc func(url string, msg *message.Message) (*http.Request, error)
-
-// DefaultMarshalMessageFunc transforms the message into a HTTP POST request.
-// It encodes the UUID and Metadata in request headers.
-func DefaultMarshalMessageFunc(url string, msg *message.Message) (*http.Request, error) {
-
-	req, err := http.NewRequest(http.MethodPost, url, bytes.NewBuffer(msg.Payload))
-	if err != nil {
-		return nil, err
-	}
-
-	req.Header.Set(HeaderUUID, msg.UUID)
-
-	return req, nil
-}

integration/watermill/keel/subscriber.go

@@ -28,11 +28,11 @@ var (
 
 type (
 	Subscriber struct {
-		l                *zap.Logger
+		l           *zap.Logger
-		uuidFunc         func() string
+		uuidFunc    func() string
-		messages         chan *message.Message
+		messages    chan *message.Message
-		middlewares      []SubscriberMiddleware
+		middlewares []SubscriberMiddleware
-		closed           bool
+		closed      bool
 	}
 	SubscriberOption     func(*Subscriber)
 	SubscriberHandler    func(l *zap.Logger, r *http.Request, event *mpv2.Event) error
@@ -60,7 +60,7 @@ func SubscriberWithLogger(fields ...zap.Field) SubscriberOption {
 		o.middlewares = append(o.middlewares, func(next SubscriberHandler) SubscriberHandler {
 			return func(l *zap.Logger, r *http.Request, event *mpv2.Event) error {
 				fields = append(fields, zap.String("event_name", mp.GetDefault(event.EventName, "-").String()))
-				if labeler, ok := log.LabelerFromRequest(r);ok {
+				if labeler, ok := log.LabelerFromRequest(r); ok {
 					labeler.Add(fields...)
 				}
 				return next(l.With(fields...), r, event)

measurementprotocol/getset.go

@@ -83,7 +83,7 @@ func Get[T any](v *T) T {
 }
 
 func GetDefault[T any](v *T, fallback T) T {
-	if v ==  nil {
+	if v == nil {
 		return fallback
 	}
 	return *v

measurementprotocol/v2/client.go

@@ -57,7 +57,6 @@ func (c *Client) HTTPClient() *http.Client {
 // ------------------------------------------------------------------------------------------------
 
 func (c *Client) Send(ctx context.Context, event *Event) error {
-
 	values, body, err := Marshal(event)
 	if err != nil {
 		return errors.Wrap(err, "failed to marshall event")
@@ -90,4 +89,3 @@ func (c *Client) Send(ctx context.Context, event *Event) error {
 
 	return nil
 }
-

measurementprotocol/v2/event.go

@@ -146,7 +146,7 @@ type Event struct {
 	// Defines a parameter for the current Event
 	// Example: epn.plays_count: 42
 	EventParameterNumber map[string]string `json:"epn,omitempty" mapstructure:"epn,omitempty"`
-	// If the current event is set as a conversion on the admin interace the evfent will have this value present
+	// If the current event is set as a conversion on the admin interacted the evfent will have this value present
 	// Example: 1
 	IsConversion *string `json:"_c,omitempty" mapstructure:"_c,omitempty"`
 	// External Event
@@ -181,7 +181,7 @@ type Event struct {
 	// If the "_ga_THYNGSTER" cookie last session time value is older than 1800 seconds, the current event will have this value present. This will internally create a new "session_start" event on GA4. If this event is also a conversion the value will be "2" if not, will be "1"
 	// Example: 1|2
 	SessionStart *string `json:"_ss,omitempty" mapstructure:"_ss,omitempty"`
-	// This seems to be related to the ServerSide hits, it's 0 if the FPLC Cookie is not present and to the current value if it's comming from a Cross Domain linker
+	// This seems to be related to the ServerSide hits, it's 0 if the FPLC Cookie is not present and to the current value if it's coming from a Cross Domain linker
 	// Example: bVhVicbfiSXaGNxeawKaPlDQc9QXPD6bKcsn36Elden6wZNb7Q5X1iXlkTVP5iP3H3y76cgM3UIgHCaRsYfPoyLGlbiIYMPRjvnUU7KWbdWLagodzxjrlPnvaRZJkw
 	FirstPartyLinkerCookie *string `json:"_fplc,omitempty" mapstructure:"_fplc,omitempty"`
 	// If the current user has a GA4 session cookie, but not a GA (_ga) client id cookie, this parameter will be added to the hit
@@ -202,7 +202,7 @@ type Event struct {
 	// Example: JPY
 	Currency *string `json:"cu,omitempty" mapstructure:"cu,omitempty"`
 	// Example:
-	Items []Item `json:"pr,omitempty" mapstructure:"pr,omitempty"`
+	Items []*Item `json:"pr,omitempty" mapstructure:"pr,omitempty"`
 	// Promotion Impression/Click Tracking. Promotion Id
 	// Example: summer-offer
 	PromotionID *string `json:"pi,omitempty" mapstructure:"pi,omitempty"`
@@ -211,10 +211,10 @@ type Event struct {
 	PromotionName *string `json:"pn,omitempty" mapstructure:"pn,omitempty"`
 	// Promotion Impression/Click Tracking. Creative Name
 	// Example: red-car
-	CreativeName *string `json:"cn,omitempty" mapstructure:"cn,omitempty"`
+	// CreativeName *string `json:"cn,omitempty" mapstructure:"cn,omitempty"`
 	// Promotion Impression/Click Tracking. Promotion Slot / Position
 	// Example: slide-3
-	CreativeSlot *string `json:"cs,omitempty" mapstructure:"cs,omitempty"`
+	// CreativeSlot *string `json:"cs,omitempty" mapstructure:"cs,omitempty"`
 	// Google Place ID: Refer to: https://developers.google.com/maps/documentation/places/web-service/place-id . Seems to be inherited from Firebase, not sure about the current use on GA4
 	// Example: ChIJiyj437sx3YAR9kUWC8QkLzQ
 	LocationID *string `json:"lo,omitempty" mapstructure:"lo,omitempty"`
@@ -254,12 +254,10 @@ type Event struct {
 	PrivacySandboxCookieDeprecationLabel *string `json:"pscdl,omitempty" mapstructure:"pscdl,omitempty"`
 	// A timestamp measuring the difference between the moment this parameter gets populated and the moment the navigation started on that particular page.
 	TFD *string `json:"tfd,omitempty" mapstructure:"tfd,omitempty"`
-	SST *SST `json:"sst,omitempty" mapstructure:"sst,omitempty"`
+	SST *SST    `json:"sst,omitempty" mapstructure:"sst,omitempty"`
 	PAE *string `json:"pae,omitempty" mapstructure:"pae,omitempty"`
 
 	// --- Unresolved ---
 
 	Unknown map[string]any `json:"-" mapstructure:",remain"`
 }
-
-

measurementprotocol/v2/event/addpaymentinfo.go

@@ -48,14 +48,14 @@ type AddPaymentInfo struct {
 }
 
 func (e *AddPaymentInfo) MPv2() *mpv2.Event {
-	items := make([]mpv2.Item, len(e.Items))
+	items := make([]*mpv2.Item, len(e.Items))
 	for i, item := range e.Items {
-		items[i] = *item.MPv2()
+		items[i] = item.MPv2()
 	}
 	return &mpv2.Event{
 		Currency: mp.SetString(e.Currency),
 		EventParameter: map[string]string{
-			mpv2.EventParameterCoupon.String(): e.Coupon,
+			mpv2.EventParameterCoupon.String():      e.Coupon,
 			mpv2.EventParameterPaymentType.String(): e.PaymentType,
 		},
 		EventParameterNumber: map[string]string{

measurementprotocol/v2/event/addshippinginfo.go

@@ -40,22 +40,22 @@ AddShippingInfo https://developers.google.com/tag-platform/gtagjs/reference/even
 Query: v=2&tid=G-PZ5ELRCR31&gtm=45je42t1v9177778896z89175355532za220&_p=1709357665402&_dbg=1&gcd=13l3l3l3l1&npa=0&dma_cps=sypham&dma=1&cid=1220643501.1708014725&ul=en-us&sr=3840x1600&_fplc=0&ur=DE-BY&uaa=arm&uab=64&uafvl=Chromium%3B122.0.6261.69%7CNot(A%253ABrand%3B24.0.0.0%7CGoogle%2520Chrome%3B122.0.6261.69&uamb=0&uam=&uap=macOS&uapv=14.3.1&uaw=0&are=1&pscdl=noapi&_eu=IA&sst.uc=DE&sst.etld=google.de&sst.gcsub=region1&sst.gcd=13l3l3l3l1&sst.tft=1709357665402&_s=10&cu=USD&sid=1709529821&sct=9&seg=0&dl=https%3A%2F%2Fsniffer.local.bestbytes.net%2F%3Fgtm_debug%3D1709357665301&dr=https%3A%2F%2Ftagassistant.google.com%2F&dt=Server%20Side%20Tracking%20Prototype%20(codename%3A%20sniffer)&en=add_payment_info&_ss=1&pr1=idSKU_12345~nmStan%20and%20Friends%20Tee~afGoogle%20Store~cpSUMMER_FUN~ds2.22~lp5~brGoogle~caApparel~c2Adult~c3Shirts~c4Crew~c5Short%20sleeve~lirelated_products~lnRelated%20products~vagreen~loChIJIQBpAG2ahYAR_6128GcTUEo~pr10.01~qt3&epn.value=30.03&ep.coupon=SUMMER_FUN&ep.shipping_tier=Ground&tfd=137238301&richsstsse
 */
 type AddShippingInfo struct {
-	Currency    string
+	Currency     string
-	Value       float64
+	Value        float64
-	Coupon      string
+	Coupon       string
 	ShippingTier string
-	Items       []*Item
+	Items        []*Item
 }
 
 func (e *AddShippingInfo) MPv2() *mpv2.Event {
-	items := make([]mpv2.Item, len(e.Items))
+	items := make([]*mpv2.Item, len(e.Items))
 	for i, item := range e.Items {
-		items[i] = *item.MPv2()
+		items[i] = item.MPv2()
 	}
 	return &mpv2.Event{
 		Currency: mp.SetString(e.Currency),
 		EventParameter: map[string]string{
-			mpv2.EventParameterCoupon.String(): e.Coupon,
+			mpv2.EventParameterCoupon.String():       e.Coupon,
 			mpv2.EventParameterShippingTier.String(): e.ShippingTier,
 		},
 		EventParameterNumber: map[string]string{

measurementprotocol/v2/event/addtocart.go

@@ -44,9 +44,9 @@ type AddToCart struct {
 }
 
 func (e *AddToCart) MPv2() *mpv2.Event {
-	items := make([]mpv2.Item, len(e.Items))
+	items := make([]*mpv2.Item, len(e.Items))
 	for i, item := range e.Items {
-		items[i] = *item.MPv2()
+		items[i] = item.MPv2()
 	}
 	return &mpv2.Event{
 		Currency: mp.SetString(e.Currency),

measurementprotocol/v2/event/addtowishlist.go

@@ -44,9 +44,9 @@ type AddToWishlist struct {
 }
 
 func (e *AddToWishlist) MPv2() *mpv2.Event {
-	items := make([]mpv2.Item, len(e.Items))
+	items := make([]*mpv2.Item, len(e.Items))
 	for i, item := range e.Items {
-		items[i] = *item.MPv2()
+		items[i] = item.MPv2()
 	}
 	return &mpv2.Event{
 		Currency: mp.SetString(e.Currency),

measurementprotocol/v2/event/begincheckout.go

@@ -39,16 +39,16 @@ BeginCheckout https://developers.google.com/tag-platform/gtagjs/reference/events
 Query: v=2&tid=G-123456&gtm=45je42t1v9177778896z89175355532za200&_p=1709325262551&gcd=13l3l3l3l1&npa=0&dma_cps=sypham&dma=1&cid=1220643501.1708014725&ul=en-us&sr=3840x1600&_fplc=0&ur=DE-BY&uaa=arm&uab=64&uafvl=Chromium%3B122.0.6261.69%7CNot(A%253ABrand%3B24.0.0.0%7CGoogle%2520Chrome%3B122.0.6261.69&uamb=0&uam=&uap=macOS&uapv=14.3.1&uaw=0&are=1&pscdl=noapi&_eu=IA&sst.uc=DE&sst.etld=google.de&sst.gcsub=region1&sst.gcd=13l3l3l3l1&sst.tft=1709325262551&_s=5&cu=USD&sid=1709445696&sct=8&seg=0&dl=https%3A%2F%2Fsniffer.local.bestbytes.net%2F&dt=Server%20Side%20Tracking%20Prototype%20(codename%3A%20sniffer)&en=begin_checkout&_ss=1&pr1=idSKU_12345~nmStan%20and%20Friends%20Tee~afGoogle%20Store~cpSUMMER_FUN~ds2.22~lp5~brGoogle~caApparel~c2Adult~c3Shirts~c4Crew~c5Short%20sleeve~lirelated_products~lnRelated%20products~vagreen~loChIJIQBpAG2ahYAR_6128GcTUEo~pr10.01~qt3&epn.value=30.03&ep.coupon=SUMMER_FUN&tfd=120434230&richsstsse
 */
 type BeginCheckout struct {
-	Currency    string
+	Currency string
-	Value       float64
+	Value    float64
-	Coupon      string
+	Coupon   string
-	Items       []*Item
+	Items    []*Item
 }
 
 func (e *BeginCheckout) MPv2() *mpv2.Event {
-	items := make([]mpv2.Item, len(e.Items))
+	items := make([]*mpv2.Item, len(e.Items))
 	for i, item := range e.Items {
-		items[i] = *item.MPv2()
+		items[i] = item.MPv2()
 	}
 	return &mpv2.Event{
 		Currency: mp.SetString(e.Currency),

measurementprotocol/v2/event/item.go

@@ -6,45 +6,45 @@ import (
 )
 
 type Item struct {
-	ID string
+	ID                 string
-	Name string
+	Name               string
-	Brand string
+	Brand              string
 	CategoryHierarchy1 string
 	CategoryHierarchy2 string
 	CategoryHierarchy3 string
 	CategoryHierarchy4 string
 	CategoryHierarchy5 string
-	Price string
+	Price              string
-	Quantity string
+	Quantity           string
-	Variant string
+	Variant            string
-	Coupon string
+	Coupon             string
-	Discount float64
+	Discount           float64
-	Index int
+	Index              int
-	ListName string
+	ListName           string
-	ListID string
+	ListID             string
-	Affiliation string
+	Affiliation        string
-	LocationID string
+	LocationID         string
 }
 
 func (e *Item) MPv2() *mpv2.Item {
-		return &mpv2.Item{
+	return &mpv2.Item{
-			ID:                 mp.SetString(e.ID),
+		ID:                 mp.SetString(e.ID),
-			Name:               mp.SetString(e.Name),
+		Name:               mp.SetString(e.Name),
-			Brand:              mp.SetString(e.Brand),
+		Brand:              mp.SetString(e.Brand),
-			CategoryHierarchy1: mp.SetString(e.CategoryHierarchy1),
+		CategoryHierarchy1: mp.SetString(e.CategoryHierarchy1),
-			CategoryHierarchy2: mp.SetString(e.CategoryHierarchy2),
+		CategoryHierarchy2: mp.SetString(e.CategoryHierarchy2),
-			CategoryHierarchy3: mp.SetString(e.CategoryHierarchy3),
+		CategoryHierarchy3: mp.SetString(e.CategoryHierarchy3),
-			CategoryHierarchy4: mp.SetString(e.CategoryHierarchy4),
+		CategoryHierarchy4: mp.SetString(e.CategoryHierarchy4),
-			CategoryHierarchy5: mp.SetString(e.CategoryHierarchy5),
+		CategoryHierarchy5: mp.SetString(e.CategoryHierarchy5),
-			Price:              mp.SetString(e.Price),
+		Price:              mp.SetString(e.Price),
-			Quantity:           mp.SetString(e.Quantity),
+		Quantity:           mp.SetString(e.Quantity),
-			Variant:            mp.SetString(e.Variant),
+		Variant:            mp.SetString(e.Variant),
-			Coupon:             mp.SetString(e.Coupon),
+		Coupon:             mp.SetString(e.Coupon),
-			Discount:           mp.SetFloat64(e.Discount),
+		Discount:           mp.SetFloat64(e.Discount),
-			ListName:           mp.SetString(e.ListName),
+		ListName:           mp.SetString(e.ListName),
-			ListID:             mp.SetString(e.ListID),
+		ListID:             mp.SetString(e.ListID),
-			ListPosition:       mp.SetInt(e.Index),
+		ListPosition:       mp.SetInt(e.Index),
-			Affiliation:        mp.SetString(e.Affiliation),
+		Affiliation:        mp.SetString(e.Affiliation),
-			LocationID:         mp.SetString(e.LocationID),
+		LocationID:         mp.SetString(e.LocationID),
-		}
+	}
 }

measurementprotocol/v2/event/purchase.go

@@ -48,13 +48,13 @@ type Purchase struct {
 	Coupon        string
 	Shipping      float64
 	Tax           float64
-	Items         []Item
+	Items         []*Item
 }
 
 func (e *Purchase) MPv2() *mpv2.Event {
-	items := make([]mpv2.Item, len(e.Items))
+	items := make([]*mpv2.Item, len(e.Items))
 	for i, item := range e.Items {
-		items[i] = *item.MPv2()
+		items[i] = item.MPv2()
 	}
 	return &mpv2.Event{
 		Currency: mp.SetString(e.Currency),

measurementprotocol/v2/event/refund.go

@@ -48,13 +48,13 @@ type Refund struct {
 	Coupon        string
 	Shipping      float64
 	Tax           float64
-	Items         []Item
+	Items         []*Item
 }
 
 func (e *Refund) MPv2() *mpv2.Event {
-	items := make([]mpv2.Item, len(e.Items))
+	items := make([]*mpv2.Item, len(e.Items))
 	for i, item := range e.Items {
-		items[i] = *item.MPv2()
+		items[i] = item.MPv2()
 	}
 	return &mpv2.Event{
 		Currency: mp.SetString(e.Currency),

measurementprotocol/v2/event/removefromcart.go

@@ -44,9 +44,9 @@ type RemoveFromCart struct {
 }
 
 func (e *RemoveFromCart) MPv2() *mpv2.Event {
-	items := make([]mpv2.Item, len(e.Items))
+	items := make([]*mpv2.Item, len(e.Items))
 	for i, item := range e.Items {
-		items[i] = *item.MPv2()
+		items[i] = item.MPv2()
 	}
 	return &mpv2.Event{
 		Currency: mp.SetString(e.Currency),

measurementprotocol/v2/eventparameter.go

@@ -3,15 +3,14 @@ package v2
 type EventParameter string
 
 const (
-	EventParameterMethod EventParameter = "method"
+	EventParameterMethod        EventParameter = "method"
-	EventParameterCoupon EventParameter = "coupon"
+	EventParameterCoupon        EventParameter = "coupon"
-	EventParameterPaymentType EventParameter = "payment_type"
+	EventParameterPaymentType   EventParameter = "payment_type"
-	EventParameterShippingTier EventParameter = "shipping_tier"
+	EventParameterShippingTier  EventParameter = "shipping_tier"
 	EventParameterTransactionID EventParameter = "transaction_id"
-	EventParameterSearchTerm EventParameter = "search_term"
+	EventParameterSearchTerm    EventParameter = "search_term"
 )
 
 func (s EventParameter) String() string {
 	return string(s)
 }
-

measurementprotocol/v2/eventparamternumber.go

@@ -3,9 +3,9 @@ package v2
 type EventParameterNumber string
 
 const (
-	EventParameterNumberValue EventParameterNumber = "value"
+	EventParameterNumberValue    EventParameterNumber = "value"
 	EventParameterNumberShipping EventParameterNumber = "shipping"
-	EventParameterNumberTax EventParameterNumber = "tax"
+	EventParameterNumberTax      EventParameterNumber = "tax"
 )
 
 func (s EventParameterNumber) String() string {

measurementprotocol/v2/item.go

@@ -1,45 +1,48 @@
 package v2
-/**
+
-  promotion_id: "pi",
+/*
-  promotion_name: "pn",
+*
-  creative_name: "cn",
+
-  creative_slot: "cs",
+	promotion_id: "pi",
- */
+	promotion_name: "pn",
+	creative_name: "cn",
+	creative_slot: "cs",
+*/
 type Item struct {
-	// Exmaple: 12345
+	// Example: 12345
 	ID *string `json:"id,omitempty" mapstructure:"id,omitempty"`
 	// Example: Stan and Friends Tee
 	Name *string `json:"nm,omitempty" mapstructure:"nm,omitempty"`
-	// Exmaple: Google
+	// Example: Google
 	Brand *string `json:"br,omitempty" mapstructure:"br,omitempty"`
-	// Exmaple: men
+	// Example: men
 	CategoryHierarchy1 *string `json:"ca,omitempty" mapstructure:"ca,omitempty"`
-	// Exmaple: t-shirts
+	// Example: t-shirts
 	CategoryHierarchy2 *string `json:"c2,omitempty" mapstructure:"c2,omitempty"`
-	// Exmaple: men
+	// Example: men
 	CategoryHierarchy3 *string `json:"c3,omitempty" mapstructure:"c3,omitempty"`
-	// Exmaple: men
+	// Example: men
 	CategoryHierarchy4 *string `json:"c4,omitempty" mapstructure:"c4,omitempty"`
-	// Exmaple: men
+	// Example: men
 	CategoryHierarchy5 *string `json:"c5,omitempty" mapstructure:"c5,omitempty"`
-	// Exmaple: Yellow
+	// Example: Yellow
 	Variant *string `json:"va,omitempty" mapstructure:"va,omitempty"`
-	// Exmaple: 123.45
+	// Example: 123.45
 	Price *string `json:"pr,omitempty" mapstructure:"pr,omitempty"`
-	// Exmaple: 1
+	// Example: 1
 	Quantity *string `json:"qt,omitempty" mapstructure:"qt,omitempty"`
-	// Exmaple: 50%OFF
+	// Example: 50%OFF
 	Coupon *string `json:"cp,omitempty" mapstructure:"cp,omitempty"`
-	// Exmaple: cross-selling: mens
+	// Example: cross-selling: mens
 	ListName *string `json:"ln,omitempty" mapstructure:"ln,omitempty"`
-	// Exmaple: 10
+	// Example: 10
 	ListPosition *string `json:"lp,omitempty" mapstructure:"lp,omitempty"`
-	// Exmaple: id-mens-123
+	// Example: id-mens-123
 	ListID *string `json:"li,omitempty" mapstructure:"li,omitempty"`
-	// Exmaple: 10.00
+	// Example: 10.00
 	Discount *string `json:"ds,omitempty" mapstructure:"ds,omitempty"`
-	// Exmaple: Foo Marketplace
+	// Example: Foo Marketplace
 	Affiliation *string `json:"af,omitempty" mapstructure:"af,omitempty"`
 	// Example: ChIJIQBpAG2ahYAR_6128GcTUEo
-	LocationID *string  `json:"lo,omitempty" mapstructure:"lo,omitempty"`
+	LocationID *string `json:"lo,omitempty" mapstructure:"lo,omitempty"`
 }

measurementprotocol/v2/unmarshal.go

@@ -25,7 +25,6 @@ const (
 type Data map[string]any
 
 func Marshal(input *Event) (url.Values, io.Reader, error) {
-
 	a, err := json.Marshal(input)
 	if err != nil {
 		return nil, nil, err
@@ -81,7 +80,6 @@ func Marshal(input *Event) (url.Values, io.Reader, error) {
 	return ret, reader, nil
 }
 
-
 func UnmarshalURLValues(input url.Values, output interface{}) error {
 	data := Data{}
 
@@ -147,7 +145,7 @@ func DecodeRegexValue(k string, v []string, r *regexp.Regexp, data Data, key str
 				v = []map[string]any{}
 			}
 			v = append(v, value)
-			data[key] = value
+			data[key] = v
 			return true, nil
 		}
 	}
@@ -157,7 +155,7 @@ func DecodeRegexValue(k string, v []string, r *regexp.Regexp, data Data, key str
 // DecodeObjectValue e.g. `idSKU_123456` = map["id"]="SKU_123456"
 func DecodeObjectValue(s string) (map[string]any, error) {
 	if len(s) == 0 {
-		return nil, nil
+		return nil, nil //nolint:nilnil
 	}
 	ret := map[string]any{}
 	for _, part := range strings.Split(s, "~") {
@@ -180,7 +178,7 @@ func EncodeObjectValue(s map[string]any) string {
 		keys = append(keys, k)
 	}
 	sort.Strings(keys)
-	var ret []string
+	ret := make([]string, 0, len(keys))
 	for _, k := range keys {
 		ret = append(ret, k+fmt.Sprintf("%s", s[k]))
 	}

measurementprotocol/v2/unmarshal_test.go

@@ -10,7 +10,6 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
-
 func TestUnmarshalURLValues(t *testing.T) {
 	tests := []struct {
 		name string
@@ -56,7 +55,7 @@ func TestMarshalURLValues(t *testing.T) {
 		//	name: "add_to_cart",
 		//	args: "v=2&tid=G-123456&gtm=45je42s0v9175354889z89175348963za200&_p=1709297934217&_dbg=1&gcd=13l3l3l3l1&npa=0&dma_cps=sypham&dma=1&cid=1220643501.1708014725&ul=en-us&sr=3840x1600&_fplc=0&ur=DE-BY&uaa=arm&uab=64&uafvl=Chromium&uamb=0&uam=&uap=macOS&uapv=14.3.1&uaw=0&are=1&pscdl=noapi&_eu=IA&sst.uc=DE&sst.etld=google.de&sst.gcsub=region1&sst.gcd=13l3l3l3l1&sst.tft=1709297934217&_s=8&cu=USD&sid=1709296380&sct=7&seg=1&dl=https%3A%2F%2Fsniffer.cloud.bestbytes.net%2F%3Fgtm_debug%3D1709297933868&dr=https%3A%2F%2Ftagassistant.google.com%2F&dt=Server%20Side%20Tracking%20Prototype%20(codename%3A%20sniffer)&en=add_to_cart&pr1=idSKU_12345~nmStan%20and%20Friends%20Tee~afGoogle%20Store~cpSUMMER_FUN~ds2.22~lp5~brGoogle~caApparel~c2Adult~c3Shirts~c4Crew~c5Short%20sleeve~lirelated_products~lnRelated%20products~vagreen~loChIJIQBpAG2ahYAR_6128GcTUEo~pr10.01~qt3&epn.value=30.03&tfd=15129&richsstsse",
 		//	want: nil,
-		//},
+		// },
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
@@ -67,14 +66,13 @@ func TestMarshalURLValues(t *testing.T) {
 			if !assert.Empty(t, e.Unknown) {
 				t.Errorf("MarshalURLValues() = %v, want %v", e.Unknown, nil)
 			}
-			if out, _, err := mpv2.Marshal(e); assert.NoError(t, err){
+			if out, _, err := mpv2.Marshal(e); assert.NoError(t, err) {
 				assert.EqualValues(t, u, out)
 			}
 		})
 	}
 }
 
-
 func TestCollect_decodeMapValue(t *testing.T) {
 	tests := []struct {
 		name string