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nutcas3
cb1d7171e0
- Add PaymentController struct with paymentService/db dependencies and NewPaymentController constructor - Add SetupRoutes with /payments endpoints (POST /top-up, POST/DELETE/GET /payment-methods, GET /transactions/:id, POST /transactions/:id/refund) and /webhooks/stripe endpoint - Add ProcessTopUp handler with amount/paymentMethodId validation, subscriberID authentication, and PaymentService.
126 lines
4.7 KiB
Go
126 lines
4.7 KiB
Go
package payment
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import (
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"context"
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"time"
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)
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// PaymentGateway interface
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type PaymentGateway interface {
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ProcessPayment(ctx context.Context, req *PaymentRequest) (*PaymentResponse, error)
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RefundPayment(ctx context.Context, transactionID string, amount float64) (*RefundResponse, error)
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GetPaymentStatus(ctx context.Context, transactionID string) (*PaymentStatus, error)
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CreatePaymentMethod(ctx context.Context, req *CreatePaymentMethodRequest) (*PaymentMethod, error)
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DeletePaymentMethod(ctx context.Context, paymentMethodID string) error
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ValidateWebhook(ctx context.Context, signature string, body []byte) (bool, error)
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}
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// PaymentRequest represents a payment request
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type PaymentRequest struct {
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Amount float64 `json:"amount"`
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Currency string `json:"currency"`
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Description string `json:"description"`
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CustomerID string `json:"customerId"`
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PaymentMethodID string `json:"paymentMethodId"`
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Metadata map[string]string `json:"metadata"`
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WebhookURL string `json:"webhookUrl"`
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}
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// PaymentResponse represents a payment response
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type PaymentResponse struct {
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TransactionID string `json:"transactionId"`
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Status PaymentStatusType `json:"status"`
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Amount float64 `json:"amount"`
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Currency string `json:"currency"`
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ProcessedAt time.Time `json:"processedAt"`
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FailureReason *string `json:"failureReason,omitempty"`
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Metadata map[string]string `json:"metadata"`
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RedirectURL *string `json:"redirectUrl,omitempty"`
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}
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// RefundResponse represents a refund response
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type RefundResponse struct {
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RefundID string `json:"refundId"`
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TransactionID string `json:"transactionId"`
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Amount float64 `json:"amount"`
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Currency string `json:"currency"`
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Status PaymentStatusType `json:"status"`
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ProcessedAt time.Time `json:"processedAt"`
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FailureReason *string `json:"failureReason,omitempty"`
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}
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// PaymentStatus represents payment status
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type PaymentStatus struct {
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TransactionID string `json:"transactionId"`
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Status PaymentStatusType `json:"status"`
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Amount float64 `json:"amount"`
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Currency string `json:"currency"`
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CreatedAt time.Time `json:"createdAt"`
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UpdatedAt time.Time `json:"updatedAt"`
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FailureReason *string `json:"failureReason,omitempty"`
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Refunds []RefundInfo `json:"refunds,omitempty"`
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}
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// RefundInfo represents refund information
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type RefundInfo struct {
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RefundID string `json:"refundId"`
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Amount float64 `json:"amount"`
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Status string `json:"status"`
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CreatedAt time.Time `json:"createdAt"`
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}
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// CreatePaymentMethodRequest represents a payment method creation request
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type CreatePaymentMethodRequest struct {
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Type PaymentMethodType `json:"type"`
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Token string `json:"token"`
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CustomerID string `json:"customerId"`
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IsDefault bool `json:"isDefault"`
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Metadata map[string]string `json:"metadata"`
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}
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// PaymentMethod represents a payment method
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type PaymentMethod struct {
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ID string `json:"id"`
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Type PaymentMethodType `json:"type"`
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CustomerID string `json:"customerId"`
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Last4 string `json:"last4"`
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Brand string `json:"brand"`
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ExpiryMonth int `json:"expiryMonth"`
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ExpiryYear int `json:"expiryYear"`
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IsDefault bool `json:"isDefault"`
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CreatedAt time.Time `json:"createdAt"`
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Metadata map[string]string `json:"metadata"`
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}
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// PaymentMethodDetails represents payment method details retrieved from token
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type PaymentMethodDetails struct {
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PaymentMethodID string `json:"paymentMethodId"`
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Type string `json:"type"`
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Last4 string `json:"last4"`
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Brand string `json:"brand"`
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ExpiryMonth int `json:"expiryMonth"`
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ExpiryYear int `json:"expiryYear"`
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Fingerprint string `json:"fingerprint"`
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CreatedAt time.Time `json:"createdAt"`
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}
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// PaymentStatusType represents payment status
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type PaymentStatusType string
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const (
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PaymentStatusPending PaymentStatusType = "PENDING"
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PaymentStatusProcessing PaymentStatusType = "PROCESSING"
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PaymentStatusCompleted PaymentStatusType = "COMPLETED"
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PaymentStatusFailed PaymentStatusType = "FAILED"
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PaymentStatusRefunded PaymentStatusType = "REFUNDED"
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PaymentStatusCancelled PaymentStatusType = "CANCELLED"
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)
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// PaymentMethodType represents payment method type
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type PaymentMethodType string
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const (
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PaymentMethodTypeCreditCard PaymentMethodType = "CREDIT_CARD"
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PaymentMethodTypeBankAccount PaymentMethodType = "BANK_ACCOUNT"
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)
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