feat(dunning): Add payment requests endpoint (get list)

payment_request.go

@@ -0,0 +1,72 @@
+package lago
+
+import (
+	"context"
+	"encoding/json"
+	"time"
+
+	"github.com/google/uuid"
+)
+
+type PaymentRequestRequest struct {
+	client *Client
+}
+
+type PaymentRequestResult struct {
+	PaymentRequest  *PaymentRequest `json:"payment_request,omitempty"`
+	PaymentRequests []PaymentRequest `json:"payment_requests,omitempty"`
+}
+
+type PaymentRequestListInput struct {
+	PerPage int `json:"per_page,omitempty,string"`
+	Page    int `json:"page,omitempty,string"`
+
+	ExternalCustomerID string               `json:"external_customer_id,omitempty"`
+}
+
+type PaymentRequest struct {
+	LagoID       uuid.UUID  `json:"lago_id,omitempty"`
+	Email        string     `json:"email,omitempty"`
+	Currency     Currency   `json:"currency,omitempty"`
+	AmountCents  int        `json:"amount_cents,omitempty"`
+	CreatedAt    time.Time  `json:"created_at,omitempty"`
+
+	Customer     *Customer  `json:"customer,omitempty"`
+	Invoices     []Invoice  `json:"fees,omitempty"`
+}
+
+func (c *Client) PaymentRequest() *PaymentRequestRequest {
+	return &PaymentRequestRequest{
+		client: c,
+	}
+}
+
+func (ir *PaymentRequestRequest) GetList(ctx context.Context, paymentRequestListInput *PaymentRequestListInput) (*PaymentRequestResult, *Error) {
+	jsonQueryParams, err := json.Marshal(paymentRequestListInput)
+	if err != nil {
+		return nil, &Error{Err: err}
+	}
+
+	queryParams := make(map[string]string)
+	if err = json.Unmarshal(jsonQueryParams, &queryParams); err != nil {
+		return nil, &Error{Err: err}
+	}
+
+	clientRequest := &ClientRequest{
+		Path:        "payment_requests",
+		QueryParams: queryParams,
+		Result:      &PaymentRequestResult{},
+	}
+
+	result, clientErr := ir.client.Get(ctx, clientRequest)
+	if clientErr != nil {
+		return nil, clientErr
+	}
+
+	paymentRequestResult, ok := result.(*PaymentRequestResult)
+	if !ok {
+		return nil, &ErrorTypeAssert
+	}
+
+	return paymentRequestResult, nil
+}